Download Motorola L6 GSM 1900 MHz Service manual
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Level 1 and 2 Service Manual 6809495A75-O L6 Digital Wireless Telephone GSM 850/1800/1900 or 900/1800/1900 MHz GPRS Level 1 and 2 Service Manual 1 and 2 6809495A75-O L6 Contents Contents Contents Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Product Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Regulatory Agency Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Computer Program Copyrights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 About this Service Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Warranty Service Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Parts Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Controls, Indicators, and Input/Output (I/O) Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 User Interface Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Alert Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Battery Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Tools and Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Removing and Replacing the Battery Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Removing and Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Removing and Replacing the SIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Removing and Replacing the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Removing and Replacing the Transceiver PC Board Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Removing and Replacing the Motor/Vibrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Removing and Replacing the Transceiver PC Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Removing and Replacing the Camera Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Removing and Replacing the Front Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Removing and Replacing the Keypad PC Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Removing and Replacing the Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Removing and Replacing the Display Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Subscriber Identity Module (SIM) and Identification Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 SIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Telephone Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Identification Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Manual Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Manual Test Mode Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Exploded View Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Exploded View Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Programming: Software Upgrade and Flexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6809495A75-O October 14, 2005 3 1 and 2 6809495A75-O L6 Introduction L6 Introduction Motorola® Inc. maintains a worldwide organization that is dedicated to provide responsive, full-service customer support. Motorola products are serviced by an international network of company-operated product-care centers as well as authorized independent service firms. Available on a contract basis, Motorola Inc. offers comprehensive maintenance and installation programs that enable customers to meet requirements for reliable, continuous communications. To learn more about the wide range of Motorola service programs, contact your local Motorola products representative or the nearest Customer Service Manager. Product Identification Motorola products are identified by the model number on the housing. Use the entire model number when inquiring about the product. Numbers are also assigned to chassis and kits. Use these numbers when requesting information or ordering replacement parts. Product Names Product names are listed on the front cover. Product names are subject to change without notice. Some product names, as well as some frequency bands, are available only in certain markets. Regulatory Agency Compliance This device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions: • This device may not cause any harmful interference, and • must accept interference received, including interference that may cause undesired operation. This class B device also complies with all requirements of the Canadian Interference-Causing Equipment Regulations (ICES-003). Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. 4 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Introduction Computer Program Copyrights The Motorola products described in this manual may include Motorola computer programs stored in semiconductor memories or other media that are copyrighted with all rights reserved worldwide to Motorola. Laws in the United States and other countries preserve for Motorola, Inc. certain exclusive rights to the copyrighted computer programs, including the exclusive right to copy, reproduce, modify, decompile, disassemble, and reverse-engineer the Motorola computer programs in any manner or form without Motorola's prior written consent. Furthermore, the purchase of Motorola products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any license or rights under the copyrights, patents, or patent applications of Motorola, except for a nonexclusive license to use the Motorola product and the Motorola computer programs with the Motorola product. About this Service Manual Using this service manual and the suggestions contained in it assures proper installation, operation, and maintenance of wireless telephones. Refer questions about this manual to the nearest Customer Service Manager. Audience This manual aids service personnel in testing and repairing of wireless telephones. Service personnel should be familiar with electronic assembly, testing, and troubleshooting methods, and with the operation and use of associated test equipment. Use of this manual assures proper installation, operation, and maintenance of Motorola products and equipment. It contains all service information required for the equipment described and is current as of the printing date. Scope The scope of this manual is to provide basic information relating to wireless telephones, and provide procedures and processes for repairing the phones at Level 1 and 2 service centers including: • Unit swap out • Repairing of mechanical faults • Basic modular troubleshooting • Testing and verification of phone functionality • Initiate warranty claims and send faulty modules to Level 3 or 4 repair centers 6809495A75-O October 14, 2005 5 Introduction L6 Conventions Special characters and typefaces, listed and described below, are used in this manual to emphasize certain types of information. ➧ G E M Note: Emphasizes additional information pertinent to the subject matter. Caution: Emphasizes information about actions that may result in equipment damage. Warning: Emphasizes information about actions that may result in personal injury. Keys to be pressed are represented graphically. For example, instead of “Press the Menu Key”, you will see “Press M”. Information from a screen is shown in text as similar as possible to what appears in the display. For example, ALERTS or ALERTS. Information that you need to type is printed in boldface type Warranty Service Policy This product is sold with the standard 12-month warranty terms and conditions. Accidental damage, misuse, and extended warranties offered by retailers are not supported under warranty. Non-warranty repairs are available at agreed fixed repair prices. Out of Box Failure Policy The standard out of box failure criteria applies. Customer phones that fail very early on after the date of sale, are to be returned to Manufacturing for root-cause analysis, to guard against epidemic criteria. Manufacturing will bear the costs of early life failure. Product Support Customer’s original phone will be repaired but not refurbished as standard. Appointed Motorola Service Hubs will perform warranty and non-warranty field service for level 2 (assemblies) and level 3 (limited PCB component). The Motorola High Technology Centers will perform level 4 (full component) repairs. Customer Support Customer support is available through dedicated Call Centers and in-country help desks. Product Service training should be arranged through the local Motorola Support Center. 6 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Introduction Parts Replacement When ordering replacement parts or equipment, include the Motorola part number and description used in the service manual. When the Motorola part number of a component is not known, use the product model number or other related major assembly along with a description of the related major assembly and of the component in question. In the U.S.A., to contact Motorola, Inc. on your TTY, call: 800-793-7834. Accessories and Aftermarket Division (AAD) Order replacement parts, test equipment, and manuals from AAD. U.S.A. Outside U.S.A. Phone: 800-422-4210 Phone: 847-538-8023 FAX: 800-622-6210 FAX: 847-576-3023 Website: http://businessonline.motorola.com EMEA Phone: +49 461 803 1404 Website: http://emeaonline.motorola.com Asia Phone: +65 648 62995 Website: http://asiaonline.motorola.com 6809495A75-O October 14, 2005 7 Specifications L6 Specifications General Function Transmit Current Drain Stand-by Current drain Temperature Range Dimensions, with 710 mAh Li Ion battery Size (Volume) Weight Battery Life, with standard 700 mAh Li-Ion Battery 824-849 MHz Tx 869-894 MHz Rx 880-915 MHz Tx (with EGSM) 925-960 MHZ Rx 1710-1785 MHz Tx 1805-1880 MHz Rx 1850-1910 MHz Tx 1930-1990 MHz Rx 200 kHz 174 EGSM, 374 DCS, 374 PCS, 124 GSM 850 carriers with 8 channels per carrier GMSK at BT = 0.3 5 Degrees RMS, 20 Degrees peak 45 MHz ± 0.10 ppm of the downlink frequency (Rx) +3.25V dc to +4.2V dc (battery) +4V dc to +5.6V dc (external connector) 90~280 mA average talk current drain 3.3 mA (DRX2), 2.2 mA (DXR9) typical -10° C to +55° C (+15° F to +130° F) 113mm x 49mm x 10.9mm (4.4 inches x 1.9 inches x 0.4 inches) 56 cc (3.41 in3), with battery 89+ grams (3.13 oz), with battery Talk time up to 350 minutes Standby time up to 345 hours Battery Charge Time Alert volume All talk and standby times are approximate and depend on network configuration, signal strength, and features selected. Standby times are quoted as a range from DRX=2 to DRX=9. Talk times are quoted as a range from DTX off to DTX on. 4 hours to 90% of 700 mAh capacity Max 95 dB @5cm, 0.5 Watts input Frequency Range GSM 850 Frequency Range GSM 900 Frequency Range DCS 1800 Frequency Range PCS 1900 Channel Spacing Channels Modulation Transmitter Phase Accuracy Duplex Spacing Frequency Stability Operating Voltage Transmitter Function RF Power Output Output Impedance Spurious Emissions Specification 32 dBm nominal GSM 850/900 29 dBm nominal GSM 1800/1900 50 ohms nominal -36 dBm from 0.1 to 1 GHz, -30 dBm from 1 to 4 GHz Receiver Function Receive Sensitivity RX Bit Error Rate (100k bits) Type II Better than -103 dBm < 2% Speech Coding Function Speech Coding Type Bit Rate 8 Specification Specification Specification Regular pulse excitation/linear predictive coding with long term prediction (RPE LPC with LTP) 13.0 kbps October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Speech Coding Function Frame Duration Block Length Classes Bit Rate with FEC Encoding 6809495A75-O Specifications Specification 20 ms 260 bits Class 1 bits = 182 bits; Class 2 bits = 78 bits 22.8 kbps October 14, 2005 9 Product Overview L6 Product Overview Motorola L6 mobile telephones feature Global System for Mobile communication (GSM) technology. The mobile telephone uses a simplified icon and Graphical User Interface (GUI) for easier operation, allow Short Message Service (SMS) text messaging, and include clock, alarm, datebook, and calculator personal management tools. The L6 telephones feature VibraCall vibrating alert and a wide selection of ring tones. The L6 tri-band phones allow roaming within the GSM 850, 1800, 1900 MHz PCS bands, or 900, 1800, 1900 MHz PCS bands depending on flexing. L6 telephones support GPRS and SMS in addition to traditional circuit switched transport technologies. The telephones are made of polycarbonate plastic with a metal enclosure. The display, camera, speaker, the 17-key keypad (not including navigation keys) , transceiver Printed-circuit Board (PCB), microphone, charger, headphone connectors, and power button are contained within the candy bar form-factor housing. The 700 mAh Lithium Ion (Li-Ion) battery provides up to 350 minutes of talk time with up to 345 hours of standby time1. These telephones feature a 128 x 160 pixel display. Features The L6 telephones use advanced, self-contained, sealed, custom integrated circuits to perform the complex functions required for GSM communication. Aside from the space and weight advantage, microcircuits enhance basic reliability, simplify maintenance, and provide a variety of operational functions. Features available in the L6 telephone include: • Bluetooth Class 2 • Integrated handsfree speakerphone • Downloadable java apps, images & MP3 Polyphonic Ringtones • Picture Messaging with MMS • Wireless Village Instant Messaging • GPRS Class 10 • Push to Talk over cellular with GPRS • Video playback (MPEG4/H.263) • Up to 10MB of end user embedded memory • PIM functionality with Picture Caller ID • Calling Line Identification • Video capture (7fps) and playback (15fps) • VGA camera with 4x zoom • Dynamic Idle (Motorola/4th Pass server) • 500 capacity phonebook Upon receipt of a call, the calling party’s phone number is compared to the phonebook. If the number matches a phonebook entry, that name displays. If there 1. All talk and standby times are approximate and depend on network configuration, signal strength, and features selected. Standby times are quoted as a range from DRX=2 to DRX=9. Talk times are quoted as a range from DTX off to DTX on. 10 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Product Overview is no phonebook entry, the incoming phone number displays. If no caller identification information is available, an incoming call message displays. ➧ User must subscribe to a caller line identification service through their service provider. Personal Information Management The L6 telephones contain a built-in datebook with alarm reminders, message center, and a phonebook. Other Features Detailed descriptions of other features available for the L6 wireless telephones are in the appropriate User’s Guide listed in the Related Publications section toward the end of this manual. 6809495A75-O October 14, 2005 11 General Operation L6 General Operation Controls, Indicators, and Input/Output (I/O) Connectors The telephones’ controls are on the front of the device and on the keyboard as shown in Figure 1. Indicator icons are displayed on the LCD (see Figure 2). PTT Key Left Soft Key Perform function in lower left display. Send Key Make & answer calls. 5-Way Navigation Joystick with Center Select Scroll through menus, press in to select items. Accessory Connector Port Camera Key Menu Key Right Soft Key Perform function in lower right display. Power & End Key Turn phone on/off, end calls, exit menu system. Figure 1. Controls and Indicators Menu Navigation L6 telephones have a simplified icon and GUI. See Figure 3 for the menu structure. A scroll key allows you to move easily through menus. Liquid Crystal Display (LCD) The L6 phones feature a 128 x 160 65K color CSTN color display offering 7 lines of text, 1 line of icons, and 1 line of prompts. The display provides constant graphical representations of battery capacity and signal strength, as well as the real-time clock. 12 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual General Operation Display animation makes the phone’s icon menu move smoothly as you scroll up and down. ➧ Whether a phone displays all indicators depends on the programming and services to which the user subscribes. Figure 2 shows common icons displayed on the LCD. 1. Signal Strength +U E 9. Battery Level Service Provider 2. GPRS 8. Ring Style 3. PTT 4. Bluetooth 5. Roam 12:00 040079b News and graphics from your Service Provider Setup Home 7. Message Message 6. Active Line Figure 2. Display Idle Screen 6809495A75-O October 14, 2005 13 General Operation L6 User Interface Menu Structure Figure 3 shows the telephones menu structure. settings menu l main menu n s e É Q Phonebook Recent Calls Received Calls Dialed Calls Notepad Call Times * Call Cost Data Times * Data Volumes * Messages Create Message Message Inbox Outbox Drafts MMS Templates Quick Notes Browser Msgs Info Services Voicemail Tools SIM Tool Kit Apps* Calculator Datebook Shortcuts Alarm Clock Dialing Services Fixed Dial Service Dial* Quick Dial Voice Dial Games & Apps á h E w Web Access Browser Web Shortcuts Stored Pages History Go To URL Browser Setup Web Sessions* t L Multimedia Pictures Sounds Camera Videos Video Camera H Bluetooth Link Handsfree Device History Setup U Settings (see next panel) * optional features This is the standard main menu layout. Your phone’s menu may be a little different. Z m Personalize Home Screen Main Menu Color Style Greeting Wallpaper Screen Saver Ring Styles Style Style Detail S J j Connection Bluetooth Link Sync Call Forward * Voice Calls Fax Calls Data Calls Cancel All Forward Status In-Call Setup Call Cost Set-up In-Call Timer My Caller ID Talk and Fax Answer Options Call Waiting Initial Setup Time and Date 1-Touch Dial Display Timeout Backlight TTY Setup * Scroll Language Contrast Brightness DTMF Master Reset Master Clear u 6 c Headset Auto Answer Voice Dial Car Settings Auto Answer Auto Handsfree Power-Off Delay Charger Time Network New Network Network Setup Available Networks My Network List * Service Tone Network Jingle Call Drop Tone Security Phone Lock Lock Keypad * Lock Application Fixed Dial Restrict Calls SIM PIN New Passwords Certificate Mgmt * PTT Settings P TT Service Java Settings Java Application Loader Java System Delete All Apps App Vibration App Volume App Backlight * optional features Phone Status My Tel. Numbers Active Line * Battery Meter SoftwareUpdate Other Information Figure 3. Menu Structure (L6) Alert Settings Motorola L6 phones incorporate the VibraCall® discreet vibrating alert that helps to avoid disturbing others when a ringing phone is unacceptable. Alerts can be set to ring only, vibrate only, vibrate then ring, or no ring or vibrate. Battery Function Battery Charge Indicator The telephone displays a battery charge indicator icon in the idle screen to indicate the battery charge level. The gauge shows 4 levels: 100%, 50%, 20%, and 5%. 14 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual General Operation Battery Removal Removing the battery causes the phone to shut down immediately and loose any pending work. For example, (partially entered phonebook entries or outgoing messages). E All batteries can cause property damage and/or bodily injury such as burns if a conductive material such as jewelry, keys, or beaded chains touch exposed terminals. The conductive material may complete an electrical circuit (short circuit) and become quite hot. Exercise care when handling any charged battery, particularly when placing it inside a pocket, purse, or other container with metal objects. G If the battery is removed while receiving a message, the message is lost. ➧ To ensure proper memory retention, turn the phone OFF before removing the battery. Immediately replace the old battery with a fresh battery. Operation For detailed operating instructions, refer to the appropriate User’s Guide listed in the Related Publications section toward the end of this manual. 6809495A75-O October 14, 2005 15 1 and 2 6809495A75-O L6 Tools and Test Equipment L6 Tools and Test Equipment Table 1 lists the tools and test equipment used on L6 telephones. Use either the listed items or equivalents. Table 1. General Test Equipment and Tools Motorola Part Number1 Description Application See Table 6. Charger Used to charge battery and power phone. 0180386A82 Antistatic Mat Kit (includes 66-80387A95 antistatic mat, 66-80334B36 ground cord, and 42-80385A59 wrist band) Provides protection from damage to phone caused by electrostatic discharge (ESD). 6680388B67 Disassembly Tool, plastic with flat and pointed ends (manual opening tool) Used during assembly/disassembly. 6680388B01 Tweezers, plastic Used during assembly/disassembly. RSX4043-A Torque Driver Used to remove and replace screws. Torque Driver Bit T-5 Plus Used with torque driver. HP34401A2 Digital Multimeter Used to measure battery voltage. W.FL2-LP-N Coaxial cable connector extraction tool Used to remove cable connector from circuit board. W.FL-LP-IN Coaxial cable connector insertion tool Used to attach cable connector to circuit board. — 1. To order in North America, contact Motorola Aftermarket and Accessories Division (AAD) by phone at (800) 422-4210 or FAX (800) 622-6210; Internationally, you can reach AAD by phone at (847) 538-8023 FAX (847) 576-3023. 2. Not available from Motorola. To order, contact Hewlett Packard at (800) 452-4844. 16 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly Disassembly This section describes how to disassemble a L6 telephone. Tools and equipment used are listed in Table 1. G Many of the integrated devices used in this phone are vulnerable to damage from ESD. Ensure adequate static protection is in place when handling, shipping, and servicing any internal components. G Avoid stressing the plastic in any way to avoid damage to either the plastic or internal components. Removing and Replacing the Battery Cover 1. 2. Ensure the phone is turned off. Press the battery cover latch on the bottom of the phone, and lift the battery cover up from the phone and lift it off (see Figure 4). Battery cover Battery latch 050776o Figure 4. Removing the Battery Cover 3. 4. 5. 6809495A75-O To replace, align the battery cover with the rear housing. Place the battery cover on the rear housing and gently press the battery cover until it snaps into place. Ensure that the battery cover tap is tucked in below the RF cover. October 14, 2005 17 Disassembly L6 Removing and Replacing the Battery 1. 2. 3. Remove the battery cover as described in the procedures. Lift the top end of the battery as indicated by the arrow in Figure 5. Lift the battery up and out of the battery compartment. Battery o Figure 5. Removing and Replacing the Battery E There is a danger of explosion if the Lithium-Ion battery is replaced incorrectly. Replace only with the same type of battery or equivalent as recommended by the battery manufacturer. Dispose of used batteries according to the manufacturer’s instructions. 4. 5. 6. 18 To replace, insert the bottom of the battery into the battery compartment with contacts facing downward. Press the top of the battery into the battery compartment. Replace the battery cover as described in the procedures. October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly Removing and Replacing the SIM 1. 2. 3. Remove the battery cover and battery as described in the procedures. Unlock the SIM holder by sliding it away from the SIM. Lift up the SIM and remove it from the phone (see Figure 6). SIM unlock SIM Holder 050778o Figure 6. Removing and Replacing the SIM 4. 5. 6. 6809495A75-O To replace, slide the SIM into the SIM holder with the notched corner located as shown. Lock the SIM holder by sliding it toward the SIM. Reassemble the battery and battery cover as described in the procedures. October 14, 2005 19 Disassembly L6 Removing and Replacing the Antenna 1. 2. Remove the battery cover, battery and SIM, as described in the procedures. Use the disassembly tool to gently pry off the RF grommet located on the antenna cap (see Figure 7). Antenna Cover RF Grommet o Figure 7. Removing and Replacing the RF Grommet 3. Use the metal tweezers to release the antenna cover latches (see Figure 9). Antenna Cover Latch Latch o Figure 8. Removing and Replacing the Antenna Cover 4. 20 Carefully use the flat end of the disassembly tool to release two latches on the top end of the antenna cover, then carefully lift the antenna cover away from the phone. October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly 5. Use the disassembly tool to lift the side of the antenna out of the phone (see Figure 9). RF contacts Antenna assembly Disassembly tool o Figure 9. Removing and Replacing the Antenna 6. 7. Carefully remove the antenna from the phone. To replace, insert the antenna into the antenna slot on the phone. Ensure the antenna makes contact with the RF contacts on the PC board. 8. Align the antenna cover over the antenna. 9. Place the curved edge of the antenna cover onto the phone. 10. Carefully press the straight edge of the antenna cover into place until the latches snap into place. 11. Insert the RF grommet fully into the opening on the antenna cover. 12. Reassemble the SIM, battery, and battery cover as described in the procedures. 6809495A75-O October 14, 2005 21 Disassembly L6 Removing and Replacing the Transceiver PC Board Shield 1. 2. Remove the battery cover, battery, SIM, and antenna, as described in the procedures. Using a Torx Plus driver with a T5 bit, remove the 6 housing screws from the phone. Set the screws aside for re-use (see Figure 10). Housing Screws Housing Screws 050781o Figure 10. Removing and Replacing the Transceiver PC Board Shield. 3. 4. 5. 6. 22 Lift the metal shield away from the phone. To replace, place the PC board shield onto the phone. Ensure screw holes are aligned. Insert and tighten the 6 T5 screws to a torque setting of 16 Ncm. Do not overtighten. Reassemble the antenna, SIM, battery, and battery cover as described in the procedures. October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly Removing and Replacing the Motor/Vibrator 1. 2. 3. Remove the battery cover, battery, SIM, antenna, and transceiver PC board shield as described in the procedures. Turn the PC board shield over to reveal the motor/vibrator assembly. Use the disassembly tool or the plastic tweezers to lift the motor/vibrator assembly from the PC board shield (see Figure 11). Motor/Vibrator PC Board Shield 051595o Figure 11. Removing and Replacing the Motor/Vibrator. 4. 5. 6809495A75-O To replace, place the motor/vibrator assembly into it’s slot on the PC board shield. Ensure that the spring contacts are facing upward, and the motor flywheel can rotate freely. Reassemble the transceiver PC board shield, antenna, SIM, battery, and battery cover as described in the procedures. October 14, 2005 23 Disassembly L6 Removing and Replacing the Transceiver PC Board 1. Remove the battery cover, battery, SIM, and rear housing as described in the procedures.. G This product contains static-sensitive devices. Use anti-static handling procedures to prevent ESD and component damage. G The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when handling. 2. Insert the flat end of the disassembly tool under the flex connector to unseat it from the transceiver PC board (see Figure 12). Display Flex Connector Alert Speaker Cable Flex Connector Coaxial Cable 050783o Figure 12. Removing the Transceiver PC Board Connectors 3. 4. 24 Use the metal tweezers to unseat the alert speaker connector from it’s socket on the transceiver PC board (see Figure 12). Use the disassembly tool to unseat the flex connector from its socket on the Transceiver PC board (see Figure 12). October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly 5. Use the coaxial cable extraction tool (see Figure 13) to unseat the coaxial cable connector from the transceiver PC board (see Figure 14)... Coaxial cable extraction tool 051259o Figure 13. Coaxial Cable Extraction Tool Coaxial cable extraction tool Attach extraction tool opening to coax connector and pull upward. 051260o Figure 14. Coaxial Cable Extraction 6809495A75-O October 14, 2005 25 Disassembly L6 6. 7. 8. 9. Carefully lift one side of the transceiver PC board out of the phone. Be careful to avoid damage to the two flex cables and the coaxial cable. Lift the transceiver PC board completely out of the phone. To replace, carefully insert the side edge of the transceiver PC board into the phone chassis. Carefully re-attach the alert speaker wire connector, display flex connector, the main flex connector, and the coaxial cable, to the transceiver PC board (see Figure 15). Coaxial Cable Insertion Tool Coaxial cable Coaxial cable insertion tool 051259o Figure 15. Coaxial Cable Connector Insertion 10. Reassemble the antenna, SIM, battery, and battery cover as described in the procedures. 26 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly Removing and Replacing the Camera Assembly. 1. Remove the battery cover, battery, SIM, antenna, and transceiver PC board as described in the procedures.. G This product contains static-sensitive devices. Use anti-static handling procedures to prevent ESD and component damage. G The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when handling. 2. Use the disassembly tool to unseat the camera assembly flex connector from the transceiver PC board assembly (see Figure 16). Disassembly tool Camera Flex Connector 050784o Figure 16. Removing the Camera Assembly 3. 4. 5. 6. 7. 6809495A75-O Lift the camera assembly away from the transceiver PC board. To replace, align the camera grommet to the transceiver PC board Align the camera assembly to the transceiver PC board. Carefully press the camera flex connector into its socket on the transceiver PC board. Reassemble the transceiver PC board, antenna, SIM, battery and battery cover as described in the procedures. October 14, 2005 27 Disassembly L6 Removing and Replacing the Front Housing 1. 2. Remove the battery cover, battery, SIM, antenna, and transceiver PC board as described in the procedures. Insert the disassembly between the front housing and the chassis assembly (see Figure 17). Front housing Disassembly tool 051593o Figure 17. Releasing the Front Housing Catches 3. Slide the disassembly tool around the phone between the front housing and the phone to release the housing catches along the sides of the front housing (see Figure 18). Front Housing 050789o Figure 18. Removing the Front Housing 28 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly 4. 5. Carefully lift the bottom end of the front housing over the phone. Use the disassembly tool to separate the earpiece speaker from the front housing (see Figure 19). Earpiece speaker Disassembly tool Front Housing 050807o Figure 19. Removing the Earpiece Speaker from the Front Housing 6. 7. 8. Remove the front housing. To replace, attach the earpiece speaker to the front housing. Rotate the front housing over the chassis to align the front housing to the chassis. 9. Carefully and gently press the front housing into the chassis until all of the housing catches are engaged. 10. Reassemble the transceiver PC board, antenna, SIM, battery and battery cover as described in the procedures. 6809495A75-O October 14, 2005 29 Disassembly L6 Removing and Replacing the Keypad PC Board 1. 2. Remove the battery cover, battery, SIM, antenna, transceiver PC board, and front housing, as described in the procedures. Use the plastic tweezers to remove the end of the coaxial cable from the chassis assembly (see Figure 20). Plastic Tweezers Keypad PC Board Chassis Assembly Coaxial Cable Keypad Flex Cable 050788o Figure 20. Removing and Replacing the Keypad PC Board 3. 4. 5. 6. 30 Turn the keypad PC board over and remove the Board to Board (B2B) connector. To replace, align the keyboard connector of the keyboard with the keyboard connector on the transceiver board and press it into place. Thread the coaxial cable through the front hole in the front housing and alongside the keypad PC board. Reassemble the transceiver PC board, rear housing, battery, and battery cover as described in the procedures. October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly Removing and Replacing the Keypad 1. 2. Remove the battery cover, battery, SIM, rear housing, and transceiver PC board, as described in the procedures. Lift the keypad up from one corner as shown in Figure 21 and remove it from the front housing. Plastic tweezers Keypad Receiver Front Housing 051594o Figure 21. Removing and Replacing the Keypad 3. 4. 6809495A75-O To replace, align the keypad with the front housing and press it into place. Reassemble the transceiver PC board, rear housing, SIM, battery, and battery cover as described in the procedures. October 14, 2005 31 Disassembly L6 Removing and Replacing the Display Module 1. 2. Remove the battery cover, battery, rear housing, and transceiver PC board as described in the procedures. Use the metal tweezers to release the display module assembly latche located at the side of the display module (see Figure 22). Display Module Display Module Latch 051631o Figure 22. Removing and Replacing the Display Module Latch 3. Lift up the top edge of the display module (see Figure 23). Display Module Display Flex 050787o Figure 23. Removing the Display Module 4. 5. 6. 32 Carefully thread the display flex cable through the slot in the chassis assembly and lift the display module away from the chassis. To replace, align the display module to the chassis assembly. Hold the side of the display module near the flex cable away from the chassis assembly. October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Disassembly 7. 8. 9. 6809495A75-O Carefully thread the display flex connector through the opening on the chassis assembly. Lower the display module fully onto the chassis assembly and gently press it into place. Reassemble the transceiver PC board, antenna, SIM, battery, and battery cover as described in the procedures. October 14, 2005 33 Subscriber Identity Module (SIM) and Identification Label L6 Subscriber Identity Module (SIM) and Identification Label SIM A SIM is required to access the existing local GSM network, or remote networks when traveling (if a roaming agreement has been made with the provider). The SIM card contains: • All the data necessary to access GSM services • The ability to store user information such as phone numbers • All information required by the network provider to provide access to the network Identification Each Motorola GSM phone is labeled with a variety of identifying numbers. The following information describes the current identifying labels. Mechanical Serial Number (MSN) The MSN is an individual unit identity number and remains with the unit throughout its life. The MSN can be used to log and track a phone on Motorola's Service Center Database. The MSN is divided into 4 sections as shown in Figure 24. MSN 10 Digits 3 Digits 1 Digit APC Account Product Code TM i.e. StarTAC Phone130 DC Distribution Center i.e. Easter Inch 2 Digits 4 Digits DC SNR Date Code: Year and Month of Shipment Unit's individual serial number 000807a Figure 24. MSN label breakdown 34 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Label Subscriber Identity Module (SIM) and Identification International Mobile Station Equipment Identity (IMEI) The International Mobile station Equipment Identity (IMEI) number is an individual number unique to the PCB and is stored within the unit's memory. The IMEI uniquely identifies an individual mobile station and thereby provides a means for controlling access to GSM networks based on mobile station types or individual units. The full IMEI structure is listed in Table 2. Table 2. IMEI Number Breakdown TAC Serial Number Check Digit NNXXXX YY ZZZZZZ A Where TAC Type Allocation Code, formerly known as Type Approval Code NN Reporting body identifier XXXX Type Identifier YY YY is set to 00 from 01/01/2003 until 31/03/2004 ZZZZZZ Individual unit serial number A Phase 1 = 0. Phase 2 = check digit defined as a function of all other IMEI digits Other label number configurations present are: • TRANSCEIVER NUMBER: Identifies the product type. Normally the SWF number. (i.e. V100). • PACKAGE NUMBER: Identifies the equipment type, mode, and language in which the product is shipped. 6809495A75-O October 14, 2005 35 Telephone Identification L6 Telephone Identification Identification Label Each Motorola GSM phone is labeled with a variety of identifying numbers. Figure 16 describes the current identifying labels. Type approval information Mfg by MOTOROLA INC. FCC ID: IHDT5UV1 EE 3 Transceiver model Radio serial no. : ESN, yr, month of mfg, warr. code (Code 39) D414AF0E8AA Radio SN: ESN+ year, month of mfg, warranty code CANADA: 109 182 230A; TYPE:UVKA 832/2412 CHANNEL OPERATION SWF3001A H7 25821A2 SN: D414AF0EYAA A56 Factory designation APC Code VY NAMPS info. (analog) Transceiver model (code 39) G6 # Board tracking ID G6VYY Week, year, day & shift, line, cell, side of manufacture 020463o Figure 25. Telephone Identification Label 36 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Troubleshooting Troubleshooting Manual Test Mode Motorola L6 telephones are equipped with a manual test mode capability. This allows service personnel to verify functionality and perform fault isolation by entering keypad commands. To enter the manual test command mode, a GSM / DCS test SIM must be used. 1. Press u to turn the phone OFF. 2. Remove the battery as described in the procedures. 3. Remove the customer’s SIM card from the phone as described in the procedures. 4. Insert the test SIM into the SIM slot. 5. Replace the battery as described in the procedures. 6. Press u to turn the phone ON. Manual Test Mode Commands Table 3. Manual Test Commands Key Sequence Test Function/Name Remarks <Menu>048263* Enter manual test mode “End” Key 54* Exit manual test mode Suspend 0*0*0 Select tone 0 0*0*1 Select tone 1 0*0*2 Select tone 2 0*0*3 Select tone 3 0*0*4 Select tone 4 0*0*5 Select tone 5 0*0*6 Select tone 6 0*0*7 Select tone 7 0*0*8 Select tone 8 0*0*9 Select tone 9 0*1*X Disable tone X 3*0*1 Enable vibrator 3*0*0 Disable vibrator 5*0*0 Set audio level 0 5*0*1 Set audio level 1 5*0*2 Set audio level 2 5*0*3 Set audio level 3 5*0*4 Set audio level 4 5*0*5 Set audio level 5 5*0*6 Set audio level 6 5*0*7 Set audio level 7 6809495A75-O Required for all Test Mode Operations October 14, 2005 37 Troubleshooting L6 Table 3. Manual Test Commands (Continued) Key Sequence Test Function/Name 5*0*8 Set audio level 8 5*0*9 Set audio level 9 5*0*10 Set audio level 10 5*0*11 Set audio level 11 5*0*12 Set audio level 12 5*0*13 Set audio level 13 5*0*14 Set audio level 14 5*0*15 Set audio level 15 6*2*2*0*0 Set Audio Path. Int Mic, IntSpk, RX unmute, TX unmute 6*4*6*0*0 Set Audio Path. Boom Mic, Boom Spk, RX unmute, TX unmute 10*0*3 Set band GSM 900 10*0*4 Set band DCS 1800 Remarks 10*0*5 10*0*6 10*1*0 Set dual band GSM 900 / 1800 Read band 3= GSM 4= DCS 5= PCS 6 =GSM/DCS 18*0 Initialize non-volatile memory (Master Reset) 18*1 Initialize non-volatile memory (Master Clear) 55*2*001 Test Display. All pixels ON 55*2*000 Test Display. All pixels OFF 55*2*002 Test Display. Checkerboard pattern A 55*2*003 Test Display. Checkerboard pattern B 55*2*004 Test Display. Border pixels ON *#06# IMEI Check No Test Mode Required Phone Set up --> Flex Version / Technology / S-W Version / Readiness Status Phone Status --> Other Information 38 October 14, 2005 No Test Mode Required 6809495A75-O Level 1 and 2 Service Manual Troubleshooting Troubleshooting Chart Table 4. Level 1 and 2 Troubleshooting Chart Symptom 1. Telephone will not turn on or stay on. 2. Telephone exhibits poor reception or erratic operation such as calls frequently dropping or weak or distorted audio. 3. Display is erratic. 4. Incoming call alert transducer audio is distorted. 5. Telephone transmit audio is weak. (usually indicated by called parties complaining of difficulty in hearing voice). 6809495A75-O Probable Cause Verification and Remedy a) Battery either discharged or defective. Measure battery voltage across a 50 ohm (>1 Watt) load. If battery voltage is <3.25 Vdc, recharge the battery using the appropriate battery charger. If battery will not recharge, replace the battery. If battery is not at fault, proceed to b. b) Battery terminals open or misaligned. Visually inspect battery terminals on both the battery and the telephone. Realign and, if necessary, either replace the battery or refer to a Level 3 Service Center for battery connector replacement. If battery terminals are not at fault, proceed to c. c) Transceiver board defective. Remove the transceiver board assembly. Substitute a known good transceiver board and temporarily reassemble the phone. Press the Power/End key; if phone turns on and stays on, disconnect the dc power source and reassemble the phone with the new transceiver board. Verify that the fault has been cleared. a) Antenna defective. Check connection between the antenna and the transceiver board. If the connection is OK, substitute a known good antenna. If the fault is still present, proceed to b. b) Transceiver board defective. Replace the transceiver board (refer to 1c). Verify that the fault has been cleared and reassemble the phone with the new transceiver board. a) Display module defective Temporarily replace the display module with a known good display module. Verify that the fault is cleared and reassemble the phone with the new display module. If the fault is still present, proceed to b. b) Transceiver board defective. Replace the transceiver board (refer to 1c). Verify that the fault has been cleared and reassemble the phone with the new transceiver board. a) Alert transducer defective Temporarily replace the alert transducer with a known good alert transducer. Verify that the fault is cleared and reassemble the phone with the new alert transducer. If the fault is still present, proceed to b. b) Faulty transceiver board. Replace the transceiver board (refer to 1c). Verify that the fault has been cleared and reassemble the phone with the new alert transducer. a) Microphone obstructed by user while holding the phone. Verify transmit audio quality. If transmit audio quality is still weak and microphone is not obstructed, proceed to b. b) Microphone defective. Replace the microphone as described in the procedures. If fault is not cleared, proceed to c. c) Transceiver board defective. Replace the transceiver board (refer to 1c). Verify that the fault has been cleared and reassemble the phone with the new transceiver board. October 14, 2005 39 Troubleshooting L6 Table 4. Level 1 and 2 Troubleshooting Chart (Continued) Symptom Probable Cause Verification and Remedy 6. Receive audio from earpiece speaker is a) Connections to or from transceiver Check connection from the earpiece to the weak or distorted. board defective. transceiver board. If connection is not at fault, proceed to b. 7. Vibrator feature not functioning. 8. Internal Charger not working. b) Earpiece speaker defective. Temporarily replace the speaker with a known good speaker. Ensure good connection. Place a call and verify improvement in earpiece audio. If fault is cleared, reassemble the phone with the good transceiver board. If fault is not cleared, proceed to c. c) Transceiver board defective. Replace the transceiver board (refer to 1c). Verify that the fault has been cleared and reassemble the phone with the new transceiver board. a) Vibrator defective. Replace vibrator. If the fault has not been cleared, proceed to b. b) Transceiver board defective. Replace the transceiver board (refer to 1c). Verify that the fault has been cleared and reassemble the phone with the new transceiver board. Faulty charger circuit on transceiver board. Test a selection of batteries in the rear pocket of the desktop charger. Check LED display for the charging indications. If these are charging properly, then the internal charger is at fault. Replace the transceiver board assembly (refer to 1c). Verify that the fault has been cleared and reassemble the phone with the new transceiver board assembly. The following section provides a reference for the parts associated with L6 telephones. 40 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Troubleshooting Exploded View Diagram 6 23 2 22 1 17 21 19 20 24 7 25 9 26 29 33 8 11 12 37 36 34 15 Figure 26. Exploded View Diagram 6809495A75-O October 14, 2005 41 Troubleshooting L6 Exploded View Parts List Table 5. Parts list Item Motorola Part Number Description Item 20 Motorola Part Number 0171373A01 Description 1 1571265A01 Front housing Chassis assembly V280 2 1371263A01 Logo medallion 21 7271331A01 LCD display 128x160 3 3571266A01 Mesh, front housing 22 0771258A01 Metal display bracket 4 1170314A20 Earpiece speaker adhesive 23 6171259A01 Display lens 5 8571267A01 Bluetooth antenna 24 9471281A01 Camera module (L6 only) 6 0170298Z22 Earpiece speaker assembly 25 3771324A01 Camera grommet (L6 only) 7 7571250A01 Keypad English 26 AAUG1858AA Main PCB assembly 8 3070338B01 Coaxial cable 27 2671252A01 Shield cover 9 4071256A01 Metal dome array 28 7571369A04 PCB cover poron pad 10 3571329A05 Microphone mesh 29 5971287A01 Vibrator Ass’y w/grommet 11 AALG4329AA Keypad PCB assembly 30 3371408A01 PCB cover label 12 8571365A01 Main antenna Euro Main antenna US 31 7571369A16 Main flex poron pad 13 0771366A01 Antenna support euro Antenna support US 32 6171261A01 Camera lens (L6 only) 14 3571270A01 Polyphonic speaker mesh 33 0170298Z17 Top rear cover assembly 15 0387347Y01 Screw x6 34 SNN5779A SNN5768A Battery SC4 Battery SC5 RF connector grommet 16 327123A04 Earpiece speaker assembly 35 3771278A01 17 5088317Y01 Polyphonic Speaker 36 1571277A01 Rear bottom cover 18 3271233A06 Polyphonic speaker damper 37 1571372A01 1571249A01 Battery door L6 (SC4) Battery door L6 (SC5) 19 3271271A01 Acoustic gasket E There is a danger of explosion if the Lithium ion battery pack is replaced incorrectly. Replace only with the same type of battery or equivalent as recommended by the battery manufacturer. Dispose of used batteries according to the manufacturer’s instructions. To order parts please use the following link: https://accesssecure.mot.com (Password is required) 42 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Troubleshooting Accessories Table 6. List of Accessories Accessory Description 6809495A75-O Accessory Type Kit Number Data Cable Mini USB/USB/Serial Audio & Connectivity SKN6371 Headset Mono One Touch w/ Send-End (EMU) Audio & Connectivity SYN0896 Mobile Phone Tools Audio & Connectivity Regionspecific Bluetooth Headset - Oakley RAZRWIRE (Mercury: NA) H7 Bluetooth Products 98679H Bluetooth Headset - Oakley RAZRWIRE (Pewter/Black: NA) - H7 Bluetooth Products 98677H Bluetooth Headset - Oakley RAZRWIRE (Platinum/ Rootbeer: NA) - H7 Bluetooth Products 98678H Bluetooth Car Kit - Asia/Americas Bluetooth Products S9642 Bluetooth Car Kit - Euro Bluetooth Products S9643 Bluetooth Car Kit - HF850 Bluetooth Products SJ0014 Bluetooth Car Kit - IHF1000 - Americas/Asia Bluetooth Products 98676H Bluetooth Car Kit - IHF1000 - EMEA Bluetooth Products CFLN1232 Bluetooth Headset - Glossy Black - HS820 Bluetooth Products SYN9951 Bluetooth Headset - Green - HS820 Bluetooth Products SYN0945 Bluetooth Headset - Grey - HS820 Bluetooth Products SYN1106 Bluetooth Headset - HS850 (Paladin Refresh - Black) Bluetooth Products SYN1107 Bluetooth Headset - HS850 (Paladin Refresh - Blue) Bluetooth Products SYN1226 Bluetooth Headset (Aphrodite) - H700 Bluetooth Products SYN1311 Bluetooth Headset (Genie Gray) - HS801 Bluetooth Products CHYN4590AB Bluetooth Headset (Genie Pink) - HS801 Bluetooth Products CHYN4590AC Bluetooth Headset (Genie Refresh - Dk Blue) - HS815 Bluetooth Products SYN1201 Bluetooth Headset (Genie Silver) - HS801 Bluetooth Products CHYN4590 Bluetooth Headset (Mage) - HS830 Bluetooth Products SYN0996 Bluetooth Headset (Medusa) - H300 Bluetooth Products SYN1297 Bluetooth Headset (Nexus) - HS805 Bluetooth Products SYN0986 Bluetooth Headset (Paladin) - HS810 Bluetooth Products SYN9826 Bluetooth Headset (Persephone) - H600 Bluetooth Products SYN1303 Bluetooth Helmet Headset - HS830 (Mage) Bluetooth Products SYN0997 Bluetooth Mono Headset, Nickel- H500 Bluetooth Products SYN1290 Bluetooth PC USB Adapter Bluetooth Products SYN0717 Bluetooth Speaker (Quadrant Refresh) - HF820 Bluetooth Products SYN0736C Bluetooth Speaker Quadrant - HF800 Bluetooth Products SYN0736 Vehicle Power Adapter EMU - VC700 In-Vehicle Solutions SYN0847 Self Install Car Kit - Smart Drive - Motorola In-Vehicle Solutions SYN1134 Self Install Car Kit - Smart Drive+ - Motorola In-Vehicle Solutions SYN1137 Smart Cable EMU - Motorola In-Vehicle Solutions SYN1003 October 14, 2005 43 Troubleshooting L6 Table 6. List of Accessories (Continued) Accessory Description 44 Accessory Type Kit Number Travel Charger EMU Mid-Rate Switcher - Argentina Power Solutions SPN5192 Travel Charger EMU Mid-Rate Switcher - Australia Power Solutions SPN5193 Travel Charger EMU Mid-Rate Switcher - BRAZIL Power Solutions SPN5187 Travel Charger EMU Mid-Rate Switcher - EURO Power Solutions SPN5189 Travel Charger EMU Mid-Rate Switcher - INDIA Power Solutions SPN5194 Travel Charger EMU Mid-Rate Switcher - MEXICO Power Solutions SPN5186 Travel Charger EMU Mid-Rate Switcher - PRC Power Solutions SPN5188 Travel Charger EMU Mid-Rate Switcher - TWN Power Solutions SPN5216 Travel Charger EMU Mid-Rate Switcher - UK/HK Power Solutions SPN5190 Travel Charger EMU Mid-Rate Switcher - US ENG Power Solutions SPN5185 Travel Charger EMU Rapid Switcher - Argentina Power Solutions SPN5197 Travel Charger EMU Rapid Switcher - BRAZIL Power Solutions SPN5196 Travel Charger EMU Rapid Switcher - HK Power Solutions SPN5199 Travel Charger EMU Rapid Switcher - PRC Power Solutions SPN5198 Travel Charger EMU Rapid Switcher - US Power Solutions SPN5202 Charger Adapter EMU/EMU (Y-cable) Power Solutions skn6222 Charger Adapter - Aust/NZ Plug Power Solutions SYN8127 Charger Adapter - Euro Plug Power Solutions SYN7456 Charger Adapter - UK Plug Power Solutions SYN7455 Travel Charger EMU Rapid Switcher - MEXICO Power Solutions SPN5200 Travel Charger EMU Rapid TWN Power Solutions SPN5270 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual Troubleshooting Related Publications Motorola L6 User’s Guide (English) 68XXXXX106 Programming: Software Upgrade and Flexing Contact your local technical support engineer for information about equipment and procedures for flashing and flexing. 6809495A75-O October 14, 2005 45 Troubleshooting 46 L6 October 14, 2005 6809495A75-O Level 1 and 2 Service Manual 1 and 2 Index 6809495A75-O L6 Index Index keypad, removing and replacing 31 L A LCD 12 liquid crystal display (LCD) 12 alert settings 14 antenna, removing and replacing 20 M B manual test mode 37 menu structure 14 motor/vibrator, removing and replacing 23 MSN 34 battery charge indicator 14 function 14 Battery cover, removing and replacing 17 battery, removing and replacing 17, 18 N C caller ID 10 camera assembly, removing and replacing 27 Canadian Interference-Causing Equipment regulations 4 commands, manual test mode 37 copyrights computer software 5 D disassembly 17 display module, removing and replacing 32 names product 4 O operation 12 alert settings 14 battery 14 controls, indicators, and I/O connectors 12 icons 13 LCD 12 menu navigation 12 menu structure 14 overview, product 10 E exploded view diagram 41 exploded view parts list 42 F FCC rules 4 features caller ID 10 Front Housing, removing and replacing 28 I identification international mobile station equipment identity 35 mechanical serial number 34 product 4 identification, labels 34, 36 IMEI 35 Introduction 4 K keypad PC board, removing and replacing 30, 31 6809495A75-O P parts exploded view diagram 41 exploded view parts list 42 Parts Replacement 7 product identification 4 names 4 product overview 10 features 10 publications, related 45 R regulatory agency compliance 4 related publications 45 Removing keypad 31 removing antenna 20 battery 15, 17, 18 October 14, 2005 1 Index L6 Tranceiver PC Board, removing and replacing 24 troubleshooting 37 manual test mode 37 manual test mode commands 37 troubleshooting chart 39 battery cover 17 camera assembly 27 display module 32 front housing 28 keypad PC board 30, 31 motor/vibrator 23 SIM 19 Tranceiver PC Board 24 Tranceiver PC Board Shield 22 replacing antenna 20 battery 17, 18 battery cover 17 camera assembly 27 display module 32 front housing 28 keypad 31 keypad PC board 31 keypad PC board shield 30 motor/vibrator 23 SIM 19 Tranceiver PC Board 24 Tranceiver PC Board Shield 22 W warranty service 6 S serial number mechanical 34 service manual about 5 audience 5 conventions 6 scope 5 service policy 6 customer support 6 out of box failure 6 product support 6 shut down upon battery removal 15 SIM, description 34 SIM, removing and replacing 19 specifications 8 subscriber identity module (SIM) 34 support customer 6 product 6 T test equipment 16 tools, disassembly 16 Tranceiver PC Board Shield, removing and replacing 22 2 October 14, 2005 6809495A75-O MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc. ® Reg. U.S. Pat. & Tm. Off. © 2005 Motorola, Inc. All rights reserved. Personal Communications Sector, 789 International Parkway, Room S2C Sunrise, FL 33325-6220. @6809495A75@ 6809495A75-O ( 26MHz for Digital IF Filter syncronisation) NEPTUNE LTS 35 100kHz BB Out 2 Pole Filter BB Out 5 D9 D5 C4 B6 Synth F/B 720 - 915 MHz 41 SYNTH FB N A6 TX CP D4 880 - 915 MHz TX Loop Filter 44 4 TX_MOD 36 26 MHz 3 39 Super Filter Generator 2,45V 7, 8, 10, 11, 15, 18, 21, 37, 43, 48 38 Y805 32 SPI 33 31 34 RF_CS RF_DATA RF_CLK 1 FL100 (VCC) 1 R72 6 1 900MHz 4 25 23 27 29 32 UART / USB Interface F3.... A17 C15 D15 B16 C16 A16 G3.... 6 V12 W12 T10 T11 V11 B14 D18 One Wire Bus Timer Interface MQSPI T8 V13 U13 G8 W5 E3 W11 High Band CMOS PA Bias Circuit LP Low Band 3 2 2 AOC_DRIVE 17 LOWB_HIGH (Low Band /High Band selection) 8,16 TX_EN (Power Control) (Transmit Enable) Neptune Atlas USB/ RS232 Communication 1 LP Switch Control Circuit J1 Matching and Combiner Network Power Detector VCC PACII IC 19 18 EUROB_US (Euro / US Band selction) EXC_EN (RX /TX selection) 14 15 PA_REF PA_DET 13 AG_REG (VCC from Atlas) (PA referenceVoltage to Neptune) (from / to Keypad Matrix via Keypad Connector) Neptune - Atlas Neptune ATI Communication BaseBand Serial Audio Port Interface (rx) (tx) A12 B13 D13 B12 (clock) OWB 1 One Wire Bus from Battery 2 (from Atlas) 3 21 Coax Cable Keypad Interface U50 Mech. Antenna Switch on Keyboard 4 UART2 Universal Asynchron. Rx /Tx N13 D16 N17 V16 TX VCO FRQ. RANGE 850: 824 - 850Mhz GSM : 890 - 915 MHz EGSM: 880 - 915MHz DCS: 1710 - 1785MHz PCS: 1850 - 1910MHz TX VCO MID CHANNELS 850: CH 190 - 836,6 GSM: CH 62 - 902,4MHz EGSM: CH 37 - 897,4Mhz DCS: CH 700 - 1747,8MHz PCS: CH 661 - 1880 MHz LEVEL 3 AL Block Diagram 2005.09.12 Rev. 1.1 L2_L6 Michael Mauderer, Alexander Buehler Page 1of 2 L2_L6 K1 U700 D6 F3 FLASH C2 D5 RESET OUT (from Neptune) J2,H1,H8 F4 C6 VBUCK (from Atlas) E5 L4,K6... G7 P2 N3 M4 L3... P1 LCD_RS LCD_CS LCD_CLK_DATA(6) LCD_DATA (0 - 5) LCD_SDATA_DATA(7) A15 2 PC13 D19 (from Neptune) 1 KBR2 B15 (to Battery Charger Circuit) (Low Battery indication from Atlas) U10 THERM_BIAS F4 LOBATI V6 U12 RX_EN ANT_DETB C18 E1 LT_SNS_CTL ADC_DATA (from/ to BB ) (from/ to Keyboard via Keyboard Connector) B17 (Neptume / ATI Communication Bus (from/ to U301 BT, (from/ to Neptune Serial Audio for Ringtone Neptune - BT - Neptune and Voice Audio) Communication and Wakeup) Graphics Accelerator Camera /Display Tri-Flash Support PE14 (RESET) (from Atlas) CLK_32KHZ_2_7V (PAPower Level indication) Image Data (JPEG) ATI Control Data (ATI- Neptune Communication) H16 U19 GA_INT BB_SPI_CLK BB_SPI_MOSI BB_SPI_MISO GA_CS E14 R14 R16 R15 P16 (to Atlas) DISP_LED1 DISP_LED2 DISP_LED3 VBOOST PERIPH_REG PERIPH_REG PERIPH_REG GND GND 19 20 21 22 16 17 18 10 11 9 8 7 6 5 4 3 2 14 15 13 LCDC_DATA(0) LCDC_DATA(1) LCDC_DATA(2) LCDC_DATA(3) LCDC_DATA(4) LCDC_DATA(5) LCDC_DATA(6) LCDC_DATA(7) LCDC_RS LCDC_CS LCDC_Reset K5 L5 M1 M5 M4 N1 N5 P2 R1 T1 N4 G1 - G4 CAMERA CONNECTOR J1401 19 SPI CAM_D0 CAM_D1 CAM_D2 CAM_D3 CAM_D4 CAM_D5 CAM_D6 CAM_D7 20 22 3 7 17 18 23 6 8 10 9 12 11 14 13 Timer F7, F8, ... Power H11,.... IO_REG (from Atlas) GRAPH_REG (from Atlas) SPI R6 T6 T7 V6 Image Data R7 T8 R8 R9 DISPLAY CONNECTOR J887 GND GSM SERVICE SUPPORT GROUP CS0B CS1B EB1B EB0B R_WB OEB BURSTCLK LBAB ECBB U1301 ATI (from Atlas) Revision Overview Rev. 1.0: Initial Block Diagram Rev. 1.1: updated Charger logic levels (to Atlas - SIMRegaulator Enable) Switch PTT/ Camera BT on Mainboard RX MID CHANNELS 850: CH190 -- 881,6 GSM: CH 62 -- 947,4 MHz EGSM: CH 37 -- 942,4Mhz DCS: CH 700 -- 1842,8MHz PCS: CH 661 -- 1960MHz VSIM_EN SPI BB SAP CLK BB SAP FS BB SAP RX BB SAP TX Antenna Switch J2 10 (from/ to Keyboard via S1401 L1 Timer EAGLE ANT_DETB J1 12 33 11 34 (Reset) Keyboard Connector) SIM CLK (Clock) SIM PD (from Atlas - BATT DETB) GPIO Internal Antenna (to Neptune) PA Control (PAC) (to Algae) B+ B+ M3 Display RESETB RESET OUT WDOG CLK 32KHZ Low Band 850MHz Interface MQSPI (Watchdog to Atlas) Low Band EXC_EN A10 D12 B10 T6 U6 W7 N9 W19 V17 G17 K16 J19 T16 T19 L16 N18 Memory Clock Generator PE14 10 11 2 3 High Band 1800MHz EXC_EN R71 GMSK Mod & Mod DAC (TX) HP-Filter (from/to Atlas) (Reset for U700) 8 9 Matching LOWB HIGH TX_EN EUROB_US 2 (VCC) 12 13 High Band 1900MHz PA_REF PA_DET 1 External MCU Memory MCU ARM7 52 MHz AG_REG 14 15 Prescaler TX CP W9, U8, V7 PERIPH_REG Quard Saw Filter and Matching Phase Detect (Data in /out) DATA BUS D0-15 ADDRESS BUS A1-24 Shared Memory 1Mbit RAM Synthesizer XTAL A4 26 MHz EXTAL B4 Oscillator 3 (Neptune- Algae Communication) TX_OUT_LB TX_OUT_HB Interface SIM_REG SIM DIO SIM RST M1 RX Charge Pump (to Atlas - Deep Sleep Indication) STANDBY EXC EN D8 SIM K2 K3 J4 L1 R1 REF_REG VBUCK IO REG PERIPH_REG VM_REG LCD_RS (Reset) LCD_CS (Chip Select) LCD_CLK_DATA(6) LCD_DATA (0 - 5) LCD_SDATA_DATA(7) 4 TX VCO DSP Memory DSP UltraLite 104 MHz BLUE_WAKEB 3.4 - 3.7 GHz 2 42 RX CP RF 5V REG SYNTH FD P RX Loop Filter 47 Digital Channal Filters Digital If Mixer and LO Dual ADC C9 Analog / Digital A9 Converter B9 RF REG 9 1710 - 1785 MHz BB QX 30 3.6 - 3.9 GHz RX VCO RX EN (decoupling analog GND) BB Q 29 100kHz RF Det. n CM IN M17 A3 E2 C4 W6 BLUE_CLK_ENB AGC 26 DMA Direct Memory Access Controller BLUE_HOST_WAKEB LNA B8 RXD2 TXD2 RTS2 CTS2 IF Amp. (Post Mixer Amplifier) A8 (framesync) AAF BB I BB IX W13 PMA LP Filter 27 28 DSP Peripherals accelerator, encryption Timer, Interupts N CLK 13 MHz High Band 1800 MHz RF Det. LNA 13 14 High Band 1900 MHz Low Band 850 MHz AGC Tracking Osc. BB SPI CLK BB SPI MOSI BB SPI MISO AL CS AL_INT GA_INT GA_CS LNA B5 (13 MHz) 22 23 Tracking Control L&H Band POWER KBC0-1 KBR0-7 LNA U800 USB VPIN USB_XRXD USB_VPOUT USB_VMIN USB_TXENB USB_VMOUT 19 20 16 17 Low Band 900 MHz ALGAE U150 P15 P19 K16 BH19.. K15 TRK CLK RGB Data Sync. W8 V8 W9 W6 CAM_HSYNC CAM_VSYNC CAM_PCLK CAM_CAMCLK 16 15 5 1 Control Control W7 V7 L2 J2 CAM_SCL CAM_SDA CAM_RESET CAM_PWRDWN 2 4 24 21 (from Atlas) CAM_REG CAM_REG CAM_REG GND GND GND GND GND Camera for L6 only KEYBOARD Main Board Main Board Connector Bluetooth (on PCB) Strip Line Antenna TXD2 RXD2 CTS2 RTS2 5 33 29 31 BLUE_WAKEB BLUE_HOST_WAKEB 11 9 BLUE_CLK_ENB (from Neptune/ Atlas) RESET_B 13 (to Keyboard via Keyboard Connector) C1 C3 A1 FL1200 A3 (to Keyboard via Keyboard Connector) INT_MIC+ (from Atlas) (from/ to Atlas) Alert Pads (from Atlas) M1262 1 2 3 27 28 30 32 Keypad Matrix J2000 Internal Mic 4 1 2 Neptune Atlas Communication 1 (Part of the Flexprint) BATT CONN. HAND_SPKRHAND_SPKR+ T6 R7 P9 T9 (tx) (rx) CODEC 16 BIT STEREO BB-SPI_CLK BB_SPI_MOSI BB_SPI_MISO AUL CS AUL_INT ON1B T17 T18 U16 U18 N14 F14 PRI SPI CNTL. LOGIC USB/RS232 NeptuneAtlas (communication) B4 ON LOGIC Neptune Atlas Communication Handset Amplifier Microphone Supply Amplifier H8 F3 D+ E3 Interface B16 GND THERM_BIAS (Bias Voltage from Neptune) G Q905 (M1) S H/H/H D S G BATTFET BPFET C5 LEDKP Color definition only for this section ! Main Charge Path B+ support without Ext Charger B+ support with Ext Charger R911 R910 D Q904 (M3) S Battery to BPLUS Switch H/L/L G4, J4....... VCO REG V2 G D (from J1403 - Keypad Backlight Sink connection) DISP_LED1 DISP_LED2 DISP_LED3 S H / H/ H B+ (Main Source for Atlas) Q903 (M4) VBUS to BP Switch (from J887 - Keyboard LED´s Sink connection) D902 L/H/H (from Mini USB Connector) (EXT Power) RTC_BATT 1 2 RTC J1400 Battery CLK_32KHZ (to Neptune and U301 BT) CLK_32KHZ_2_7V (to J1300) V12 K10 U15 V18 CLK 13 MHZ (from Neptune) WDOG (from Neptune) EXC_EN (from Neptune, Tx Mode indication for Atlas) LOBATI (Low Battery indication to Neptune) F12 E12 STANDBY (from U800) RESETB (from/ to Neptune and U700) Q901 Revision Overview Rev. 1.0: Initial Block Diagram Rev. 1.1: Updated Charger logic levels B+ ( 2,775V ) AG_REG 1 (to U50, U150 + U200) VCO_DRV ( 1,3V ) VIB_REG (to Vibrator Pads near RTC Battery C929 ( 5,5V ) VBOOST 3 V16 R16 TIMER P16 4 (Main Source- from M3) to Vibrator Motor VIB REG C913 P2 Switcher Boost 300mA G16 Switcher Buck 350mA F16 H2 ( 2,775V ) PERIPH_ REG ( 1,875V ) VBUCK ( to U700, U800, U900) AUDIO REG PERIPH IO REG ( 2,775V ) AUD_ REG (Atlas internal and AL circuit) U6 ( 1,275 ) GRAPH_REG (to U1301) (only used in Atlas) M18 GRAPH REG IO REG K17 ( 2,775 ) IO_REG ( 1,575V ) REF_REG (to U800) (to U800, U1301) ( 2,775 ) CAM_REG L16 REF REG CAMERA REG ( 1,875V ) BT_REG (to J1401) K2 ( 2,775V ) RF_REG (to U800) (to U300) H4 RF REG BT REG ( 2,700V ) VM_REG H3 RF REG OWB THERM L / H/ L Q906 (M2) G B14 Logic (Current Control) 4 1 Y900 (to U800) K16 VSIM CHRGCTRL 3 (One Wire Bus to Neptune) SIM_PD (toNeptune) CHRGRAW (VBUS Sense) THERM BATT+ (Battery Sense) BATTISNS (Batt Current) BATTISNS (Charge Current - ) CHRGISNSP (Charger Current + ) D12 V17 ( 1,8/ 3V ) SIM_REG K11 N5 T14 C15 AD P13 D14 CONV. U14 D/A F13 E15 M1 2 VBUS (to Neptune amd M1350)) VSIM_EN L/H/H B12 B+ Sense (Shield) VBUS LED CNTL. C6 (sinkB6 circuit) D6 UID D- G1-G4 (from Mini USB Connector) (EXT Power) CHARGE CONTR. U900 ATLAS UL VBUS 5V Pass FET USB EMU D2 Charger and Powersource Control Charger (from Keypad) URXVP URCVD UDATPV URXVM UTXENB USE0VM B2 C4 F4 B1 B3 E4 BB SAP RX (tx) BB SAP TX (rx) R3 R4 BB SAP CLK (Clock) BB SAP FS (Frame Sync.) R5 ALERTALERT+ (PPD device support) VBUS 0-9,*,#, Left-Right, Center, Soft L+R, Menu, Send, Volume U-D Smart, Customer Clear BATT+ 12 13 Bit SAP V10 Alert U8 Amplifier (from Atlas) VBOOST Power Key Smart Key Neptune Atlas USB/ RS232 Communication (to Charging Circuit) (Accessory Detection signal) (from Atlas) GND VR324 22 Headset Det. UID 4 Connector 5 1 1.8 or 3V 3 SIM Card 2 6 (to Neptune) (from Neptune) (Bias) 15 J2003 2 4 3 1 SIM (to Neptune) 1 Y300 Mini USB ESD VR1200 RV1202 RV922 RV923 M1350 GND GND ON1B GND KBR7 KBR6 KBR5 KBC1 KBC0 KBR4 KBR3 KBR2 GND KBR1 KBR0 GND MIC_BIAS1 GND INT_MIC+ GND GND 1 21 22 2 23 3 4 24 25 5 26 6 7 27 28 8 29 9 10 30 11 31 32 12 13 33 14 34 35 15 36 16 17 37 38 18 39 19 20 40 g1- g4 PERIPH_REG 16 Stereo Det. VBUS 2 (from Neptune) BB_SAP_CLK(clock) BB_SAP_TX MIC_BIAS1 MIC_INM GND LEDKP VBOOST GND LT_SNS_CTL ADC_DATA GND ANT_DETB SIM_RST SIM_REG GND GND SIM_CLK SIM_DIO GND ALERTALERTALERT+ ALERT+ GND 1 6 U300 Headset Amplifier 5 DS805 (from Atlas) Flexprint - Board to Board (from Atlas) (to Atlas , J887 and J1403) Earpiece 1 Connector P1000 2 PERIPH_REG BT_REG BB_SAP_RX BB_SAP_FS (framesync) (from/ to Neptune Serial Audio for Ringtone and Voice Audio) (to Atlas) D1480 D1482 - D1485 D1487 - D1490 LED´s D1491 BT_ANTENNA 25 10 21 P4 (from Atlas) CLK_32KHZ GND LEDKP VBOOST GND LT_SNS_CTL ADC_DATA GND ANT_DETB SIM_RST SIM_REG GND GND SIM_CLK SIM_DIO GND ALERTALERTALERT+ ALERT+ GND J1000 g1- g4 GND Bluetooth 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 USB_VPIN USB_XRXD USB_VPOUT USB_VMIN USB_TXENB USB_VMOUT (from/ to U301 BT, Neptune - BT - Neptune Communication and Wakeup) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 GND (to Atlas) INT_MIC+ GND (from Atlas) MIC_BIAS1 GND (from Neptune) KBR0 KBR1 GND KBR2 (from Neptune) KBR3 KBR4 KBC0 (to Neptune) KBC1 KBR5 (from Neptune) KBR6 KBR7 GND (from Atlas) ON1B GND GND Keyboard Connector Light Sensor J1403 GSM SERVICE SUPPORT GROUP LEVEL 3 AL Block Diagram L2_L6 2005.09.12 Rev. 1.1 L2_L6 Michael Mauderer, Alexander Buehler Page 2of 2