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ICF-C470/C470L SERVICE MANUAL US Model Canadian Model E Model Australian Model Ver 1.1 1999. 06 With SUPPLEMENT 1 (9-926-981-81) ICF-C470 AEP Model ICF-C470/C470L UK Model ICF-C470L Photo: ICF-C470 SPECIFICATIONS ICF-C470 FM/AM CLOCK RADIO ICF-C470L FM/MW/LW 3 BAND CLOCK RADIO MICROFILM TABLE OF CONTENTS 1. GENERAL ................................................................... 3 2. DISASSEMBLY ......................................................... 4 3. DIAL POINTER SETTING ..................................... 5 4. POWER CORD SETTING ..................................... 6 5. ELECTRICAL ADJUSTMENTS .......................... 7 6. DIAGRAMS 6-1. 6-2. 6-3. 6-4. 6-5. Block Diagram ................................................................ Printed Wiring Boards (ICF-C470) ................................ Schematic Diagram (ICF-C470) ..................................... Printed Wiring Boards (ICF-C470L) .............................. Schematic Diagram (ICF-C470L) .................................. 7. EXPLODED VIEWS ................................................ 20 8. ELECTRICAL PARTS LIST ............................... 22 9 11 13 15 17 SAFETY CHECK-OUT After correcting the original service problem, perform the following safety check before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microampers.). Leakage current can be measured by any one of three methods. 1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers’ instructions to use these instruments. 2. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The “limit” indication is 0.75 V, so analog meters must have an accurate lowvoltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2 V AC range are suitable. (See Fig. A) To Exposed Metal Parts on Set 0.15 µF AC voltmeter (0.75 V) 1.5 k Ω Earth Ground Fig. A. Using an AC voltmeter to check AC leakage. SAFETY-RELATED COMPONENT WARNING!! HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF2 and CF3. You must used same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must changed two pieces together since it’s supply two pieces in one package as a spare parts. COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CF2 mark CF3 ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ! LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE ! SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY. Mark Center frequency red 10.70 MHz blue 10.67 MHz orange 10.73 MHz black 10.64 MHz white 10.76 MHz Notes on chip component replacement • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be damaged by heat. –2– SECTION 1 GENERAL –3– This section is extracted from instruction manual. SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CABINET (LOWER) 1 five screws (P3 ×14) 3 cabinet (lower) 2 two claws MAIN BLOCK 1 power transformer 5 buzzer board 6 Break the soldering of speaker lead. 3 main block 4 two claws 2 three claws for chassis 2 three claws for PWB –4– SECTION 3 DIAL POINTER SETTING Note: Follow the assembly procedure in the numerical order given. 5 Install the MAIN board. D 4 Turn VR1 to the arrow D direction fully. – BOTTOM VIEW – C 3 Turn shaft of CV1 to the arrow C direction fully. B dial pointer A 2 Turn the knob (VOL) to the arrow B direction fully. 1 Turn the knob (tuning) to the arrow A direction fully. –5– SECTION 4 POWER CORD SETTING Set the power cord as illustrated below, then install the lower cabinet. FM antenna power cord lower cabinet –6– SECTION 5 ELECTRICAL ADJUSTMENTS AM IF ADJUSTMENT 0 dB = 1 µV Adjust for a maximum reading on level meter [AM (MW/LW)*] * AM : ICF-C470 MW/LW : ICF-C470L Setting: Band switch: AM (MW/LW) AM RF signal generator T1 AM (MW *2) FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter MAIN board TP (SPK +) level meter Put the lead-wire antenna close to the set. L4 520 kHz CT1-3 1,750 kHz (1,650 kHz *1) AM (MW *2) TRACKING ADJUSTMENT 8Ω Adjust for a maximum reading on level meter + – set 30% amplitude MAIN board TP (SPK –) modulation by 400 Hz signal Output level: as low as possible L1 (L1-1 *2) 600 kHz CT1-4 1,400 kHz LW FREQUENCY COVERAGE ADJUSTMENT *2 Adjust for a maximum reading on level meter [FM] Setting: Band switch: FM FM RF signal generator 455 kHz CT6 MAIN board TP (FM ANT) 0.01 µF MAIN board TP (SPK +) level meter LW TRACKING ADJUSTMENT *2 Adjust for a maximum reading on level meter 8Ω + – set 22.5 kHz frequency deviation by 400 Hz signal Output level: as low as possible 145 kHz L1-2 160 kHz CT5 240 kHz FM FREQUENCY COVERAGE ADJUSTMENT MAIN board TP (SPK –) Adjust for a maximum reading on level meter • Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. • Remove FM antenna in FM adjustments. L2 86.5 MHz CT1-1 109.5 MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter CT1-2 Adjustment Location: Main Board (See page 8) *1) Except US, Canadian models *2) ICF-C470L –7– 109.5 MHz Adjustment Location: – MAIN BOARD (Component Side) – L1 (L1-1*) AM (MW *) Tracking Adjustment T1 AM IF Adjustment CT1-2 FM Tracking Adjustment FM Frequency Coverage Adjustment L2 CT1-1 CT1-4 AM (MW *) Tracking Adjustment AM (MW *) Frequency Coverage Adjustment L1-2 CT5 CT1-3 L4 CT6 LW Frequency Coverage Adjustment * *) ICF-C470L – MAIN BOARD (Conductor Side) – TP (SPK +) TP (SPK –) TP (FM ANT) –8– LW Tracking Adjustment * ICF-C470/C470L SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM CT1-2 FM TRACKING • SIGNAL PATH : FM L3 FM RF CV1 ANT1 FM LEAD ANTENNA FM/AM FRONT-END, FM/AM IF AMP, DET, AGC, AF AMP IC1 CT1-2 CV1-2 TUNING 10 : AM (MW/LW) FM RF 15 REG OUT CF1 455kHz 17 6 CT1-3, L4 8 AM (MW) FREQUENCY COVERAGE (C470L) S1 CV1 BAND TUNING S1-2 AM IF IN SP1 (SPEAKER) AM IF AMP, AGC, DET FM/AM BAND SELECT TUNING METER 16 20 METER 4 5 (C470) VR1 S1 VOLUME BAND CT1-1 CV1-3 CT6 CT6 MUTING Q1 AM CV1-1 CV1 LW FREQUENCY COVERAGE TUNING MW S3 BUZZER VOLUME LW HIGH VREF CT5 28 FM FM CT5, L1-2 AF POWER AMP S1-1 MID LW TRACKING BAND SELECT SWITCH Q3, 4 ALM-A/B DISP & SEL CAL DISP & SNOOZE TIME SET/DIMMER MANUAL & SLEEP MODE SELECT 25 21 29 26 28 22 RADIO OUTPUT TIME SET INPUT 20 23 ALM-A OUTPUT AM/PM 10´SHR AG & D 10´SHR B & E 10´SHR C & HRE HR B & G HR C & D HR A & F 10´SMIN A & F 10´SMIN B & G 10´SMIN C & D 10´SMINE MINE MIN B & G MIN C & D MIN A & F COLON ALM INDICATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 24 ALM-B OUTPUT LOW MODE CONTROL, LED DRIVER IC2 50/60Hz INPUT 27 (C470L) Q6 SWITCHING CR OSC 19 C470: US, Canadian, E92/ C470L S11 CLOCK B+ S4 LED1 DATE DISPLAY S5 S10 S7 S6 S6 S8 S11 D1 SWITCH Q5 C470: AEP, Italian, Singapore/ C470L: AEP S9 EXCEPT C470: US, Canadian, E92/C470L (C470: Australian/C470L: UK) “L” “H” “L” “H” “L” “H” “H” “L” S4 S10 S6 S8 S12 ALARM B BUZZER SNOOZE/DATE/ SLEEP OFF ALARM RESET/OFF RADIO OFF FREQUENCY S5 S7 S9 TIME SET + ALARM A RADIO SLEEP RADIO ON –9– (EXCEPT C470: US, Canadian, E13, E92) T2 POWER TRANSFORMER RECT D2, 3 “H” TIME SET – (C470: US, Canadian, E13, E92) POWER BACK UP FOR CLOCK DRY BATTERY 6F22 (IEC DESIGNATION 6F22) 1PCS. 9V (C470: US, Canadian, E92) IC1 B+ 60Hz RIPPLE FILTER Q2 BRIGHTNESS (LOW/HIGH) 50Hz RECT D4, 6 IC2 B+ 05 • Abbreviation E13: 220 – 230 V AC 50/60Hz area in E model E92: 120 V AC area in E model FM DISCRIMINATOR FM FREQUENCY COVERAGE L2 FM OSC CT1-3 CT1-4 L1-2 (LW) 25 24 AF OUT CT1-1, L2 L4 AM (MW) OSC L1-1 (MW) CV1-4 + AF IN VOL 9 CV1-4 FM IF AMP DET OUT AM IF AM FRONT-END FM OSC VREF AM RF IN FM IF IN FM DISCRI 3 T1 TUNING CT1-4, L1-1 MW TRACKING 18 CF3 10.7MHz (C470) CT1-4 L1 MW/LW FERRITE-ROD ANTENNA CF2 10.7MHz CV1 11 CT1-4, L1 AM TRACKING + AM OSC L1 AM FERRITE-ROD ANTENNA FM FRONT-END FM/AM FE OUT NF 13 B.P.F. FM RF IN (C470: E13) – 10 – DIMMER CONTROL SWITCH S2 AC IN ICF-C470/C470L 6-3. SCHEMATIC DIAGRAM (ICF-C470) • See page 19 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. ¢ • : internal component. • 2 : nonflammable resistor. • C : panel designation • U : B+ Line. • H : adjustment for repair. • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ( ) : AM • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal production tolerances. • Signal path. F : FM f : AM • Abbreviation AUS : Australian model CND : Canadian model E13 : 220 - 230 V AC 50/60 Hz area in E model E92 : 120 V AC area in E model IT : Italian model SP : Singapore model Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. – 13 – – 14 – Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce por tant le numéro spécifié. ICF-C470/C470L 6-5. SCHEMATIC DIAGRAM (ICF-C470L) • See page 19 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. ¢ • : internal component. • 2 : nonflammable resistor. • C : panel designation • U : B+ Line. • H : adjustment for repair. • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ( ) : MW/LW • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal production tolerances. • Signal path. F : FM f : MW/LW Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. – 17 – – 18 – Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une piéce por tant le numéro spécifié. ICF-C470/C470L SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they may have some difference from the original one. • Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) ↑ ↑ Parts Color Cabinet's Color • IC Block Diagrams – MAIN BOARD – AFC AGC AFC AGC IF GND METER N.C FM IF IN 23 22 21 20 19 18 17 16 AF OUT 24 GND 30 29 28 27 26 25 GND DET OUT AM IF IN FM/AM BAND SELECT CXA1019S VCC RIPPLE FILTER AF IN IC1 AM IF DET AGC AF POWER AMP • Abbreviation AUS : Australian model CND : Canadian model E13 : 220 - 230 V AC 50/60 Hz area in E model TUNING METER AM FE • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • The mechanical parts with no reference number in the exploded views are not supplied. • Hardware (# mark) list and accessories and packing materials are given in the last of the electrical parts list. The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Les composants identifiés par une marque ! sont critiquens pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. E92 : 120 V AC area in E model IT : Italian model SP : Singapore model FM IF (1) CABINET SECTION FM DISCRIMINATOR 5 11 12 13 14 N.C FE GND 15 FM/AM IF OUT 10 FM RF IN AFC 9 AM RF IN AM OSC 8 FM RF 7 FM OSC 6 REG OUT 5 VOL GND 4 4 TIME SET CR OSC TEST VSS ALM IND T T 24 23 22 DATE & SNOOZE 25 RADIO OUT 26 ALM-A OUT T T 27 ALM-B OUT 28 ALM-A/B SELECT 29 MANUAL & SLEEP MODE SELECT 30 50/60Hz INPUT TIME SET/ DIMMER LC85632 VDD 21 20 19 18 17 16 T T SP1 6 7 AEP 3 US, CND 8 POWER UP UK DISPLAY CONTROL INPUT CONTROL CAL. DISP SLP. DISP AL2. DISP AL1. DISP TIME. DISP SEC. DISP RESET CONTROL U/D RESET AUS SET CX SET CX U/D RESET SET CX U/D RESET SET CX U/D RESET SNOOZE COUNTER SLEEP COUNTER ALM-A COUNTER ALM-B COUNTER CALENDER COUNTER CONTROL CONTROL SET CX U/D RESET RESET ALM TONE (1200Hz) RESET PRE COUNTER TIME COUNTER SEC. COUNTER E 2 ALM TONE (2400Hz) 1Hz 1 DAY 1 8 GATE COMPARATOR TIME SET ALM-A STOP ALM-B STOP OUTPUT CONTROL CALENDER SLEEP ALM-B SET TIME ALM-A ALM TONE OUTPUT DECODER/DRIVER 6 7 8 9 10 11 12 13 14 15 10´SHR B & E 10´SHR C & HRE HR B & G HR C & D HR A & F 10´SMIN A & F 10´SMIN B & G 10´SMIN C & D COLON 5 MIN A & F 4 MIN C & D 3 MIN B & G 2 10´SMINE MINE 1 10´SHR AG & D ALARM INDICATOR AM/PM IC2 3 NF 2 FM DISCRI 1 GND FM FE – 19 – Ref. No. 1 2 3 Part No. Description Remark 3 4 3-369-135-21 LID, BATTERY CASE 3-368-852-01 FOOT 3-030-215-01 BUTTON (MAIN) (C470: US, CND, E13, E92, SP, AUS) 3-030-215-11 BUTTON (MAIN) (C470:AEP, IT/C470L) 3-032-104-01 SCALE, DIAL (C470: US, CND, E92) 4 4 4 4 4 3-032-104-11 3-032-104-21 3-032-104-31 3-032-104-41 3-032-104-51 5 3-030-213-01 CABINET (UPPER) (C470: US, CND, E13, E92, SP, AUS) SCALE, DIAL (C470: AEP, SP) SCALE, DIAL (C470: E13, AUS) SCALE, DIAL (C470: IT) SCALE, DIAL (C470L: AEP) SCALE, DIAL (C470L: UK) Ref. No. 5 5 6 6 SP1 !7 !7 !7 !7 !7 – 20 – 8 Part No. Description Remark 3-030-213-11 CABINET (UPPER) (C470L) 3-030-213-31 CABINET (UPPER) (C470: AEP, IT) 3-030-216-01 BUTTON (ALARM) (C470: US, CND, E13, E92, SP, AUS) 3-030-216-11 BUTTON (ALARM) (C470: AEP, IT/C470L) 1-504-748-21 SPEAKER (6.6cm) 1-555-795-00 CORD, POWER (C470: AEP, IT, E13, SP/C470L: AEP) 1-696-572-21 CORD, POWER (C470L: UK) 1-769-339-22 CORD, POWER (C470: E92) 1-783-817-11 CORD, POWER (C470: US, CND) 1-790-431-11 CORD, POWER (C470: AUS) 7-685-649-79 SCREW +P 3X14 TYPE2 NON-SLIT (2) CHASSIS SECTION ANT1 LED1 W8 60 57 58 A 59 56 L1 55 61 A C470: AEP, IT, E13, SP/ C470L T2 66 63 53 64 54 52 67 65 52 51 Les composants identifiés par une marque ! sont critiquens pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. 62 Ref. No. Part No. Description 51 51 51 51 52 3-030-214-01 3-030-214-11 3-030-214-21 3-030-214-31 3-030-220-01 CABINET (LOWER) (C470: US, CND, E92) CABINET (LOWER) (C470: AEP, IT, SP, AUS) CABINET (LOWER) (C470: E13) CABINET (LOWER) (C470L) KNOB (BAND) * 53 * 53 54 55 56 1-671-686-11 1-671-686-21 3-030-218-01 3-032-106-01 3-030-217-01 56 57 57 58 58 3-030-217-11 1-671-684-11 1-671-684-21 1-671-683-11 1-671-683-21 BUZZER BOARD (C470L) BUZZER BOARD (C470) CHASSIS SPRING (ALARM) KNOB (ALARM) (C470: US, CND, E13, E92, SP, AUS) KNOB (ALARM) (C470: AEP, IT/C470L) KEY (B) BOARD (C470L) KEY (B) BOARD (C470) KEY (A) BOARD (C470L) KEY (A) BOARD (C470) * * * * * 59 * 59 * 60 * 60 * 60 * * * * 60 60 60 60 Remark 1-671-685-11 TRANSFORMER BOARD (C470L) 1-671-685-21 TRANSFORMER BOARD (C470) A-3683-025-A MAIN BOARD, COMPLETE (C470: US, CND, E92) A-3683-057-A MAIN BOARD, COMPLETE (C470: AEP, SP) A-3683-059-A MAIN BOARD, COMPLETE (C470: IT) A-3683-060-A A-3683-061-A A-3683-063-A A-3683-065-A The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. MAIN BOARD, COMPLETE (C470: E13) MAIN BOARD, COMPLETE (C470: AUS) MAIN BOARD, COMPLETE (C470L: AEP) MAIN BOARD, COMPLETE (C470L: UK) Ref. No. Part No. Description * 61 62 63 64 65 3-034-959-01 3-846-067-01 3-030-219-01 3-030-221-01 3-919-268-01 PLATE (LED), SHIELD SPACER KNOB (TUNING) POINTER KNOB (VOL) 66 67 ! T2 ! T2 W8 ANT1 L1 L1 L1 LED1 Remark 1-535-771-11 TERMINAL (C470: AEP, IT, E13, SP, AUS/C470L) 3-034-961-01 SHEET, BLIND 1-433-573-11 TRANSFORMER, POWER (C470: US, CND, E92) 1-433-574-11 TRANSFORMER, POWER (C470: AEP, IT, E13, SP, AUS/C470L) 1-535-804-11 SNAP, BATTERY 1-501-907-21 ANTENNA, FM WIRE 1-501-976-11 ANTENNA, FERRITE-ROD (MW/LW) (C470L) 1-402-413-21 ANTENNA, FERRITE-ROD (AM) (C470: US, CND, E92) 1-402-472-31 ANTENNA, FERRITE-ROD (AM) (C470: AEP, IT, E13, SP, AUS) 8-749-015-49 LED SL-1906-54T (DATE DISPLAY) (C470: US, CND, E92) LED1 8-749-015-50 LED SL-3906-54T (DATE DISPLAY) LED1 (C470: E13) 8-749-015-51 LED SL-3906-55T (DATE DISPLAY) (C470: AEP, IT, SP, AUS/C470L) – 21 – BUZZER KEY (A) KEY (B) MAIN SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms. METAL: Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F: nonflammable • Abbreviation AUS : Australian model CND : Canadian model E13 : 220 - 230 V AC 50/60 Hz area in E model Ref. No. Part No. * * 1-671-686-11 BUZZER BOARD (C470L) 1-671-686-21 BUZZER BOARD (C470) ************* • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • SEMICONDUCTORS In each case, u: µ, for example: uA. . : µA. . uPA. . : µPA. . uPB. . : µPB. . uPC. . : µPC. . uPD. . : µPD. . • CAPACITORS uF: µF • COILS uH: µH E92 : 120 V AC area in E model IT : Italian model SP : Singapore model Description Remark Ref. No. When indicating parts by reference number, please include the board. Description Remark A-3683-025-A MAIN BOARD, COMPLETE (C470: US, CND, E92) A-3683-057-A MAIN BOARD, COMPLETE (C470: AEP, SP) A-3683-059-A MAIN BOARD, COMPLETE (C470: IT) A-3683-060-A MAIN BOARD, COMPLETE (C470: E13) A-3683-061-A MAIN BOARD, COMPLETE (C470: AUS) * 1-163-038-00 CERAMIC CHIP Les composants identifiés par une marque ! sont critiquens pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. S9 1-762-233-11 SWITCH, KEYBOARD (SLEEP, RADIO ON) ************************************************************ < CAPACITOR> C18 Part No. The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 0.1uF 25V (C470) * * * * < RESISTOR > JC18 R17 R29 1-216-295-00 SHORT 0 1-216-061-00 METAL CHIP 1-216-085-00 METAL CHIP 3.3K 33K 5% 5% * * A-3683-063-A MAIN BOARD, COMPLETE (C470L: AEP) A-3683-065-A MAIN BOARD, COMPLETE (C470L: UK) ********************* * 3-034-959-01 PLATE (LED), SHIELD 1/10W 1/10W < SWITCH > < ANTENNA > S2 1-762-231-11 SWITCH, SLIDE (BRIGHTNESS) S3 1-572-949-11 SWITCH, SLIDE (BUZZER VOLUME) ************************************************************ ANT1 1-501-907-21 ANTENNA, FM WIRE < CAPACITOR > 1-671-683-11 KEY (A) BOARD (C470L) 1-671-683-21 KEY (A) BOARD (C470) ************* * * C1 C2 C3 1-163-235-11 CERAMIC CHIP 1-163-243-11 CERAMIC CHIP 1-163-101-00 CERAMIC CHIP 22PF 47PF 22PF C4 1-163-088-00 CERAMIC CHIP 5PF C4 1-163-091-00 CERAMIC CHIP C5 C6 C7 1-163-233-11 CERAMIC CHIP 1-163-009-11 CERAMIC CHIP 1-163-021-11 CERAMIC CHIP 50V (C470: US, CND, E92) 8PF 50V (C470: AEP, IT, E13, SP, AUS) 18PF 5% 50V 0.001uF 10% 50V 0.01uF 10% 50V C8 1-163-089-00 CERAMIC CHIP 6PF C8 1-163-095-00 CERAMIC CHIP 12PF 5% C10 C11 C12 1-128-551-11 ELECT 1-163-021-11 CERAMIC CHIP 1-126-960-11 ELECT 22uF 0.01uF 1uF 20% 10% 20% C13 C14 C15 C16 C17 1-163-021-11 1-126-963-11 1-126-964-11 1-163-989-11 1-164-004-11 0.01uF 4.7uF 10uF 0.033uF 0.1uF 10% 20% 20% 10% 10% < RESISTOR > C3 JC7 JC8 R15 1-216-296-00 SHORT 1-216-295-00 SHORT 0 (C470: US, CND, E13, E92) 0 (C470: AEP, IT, SP, AUS/C470L) 1-216-073-00 METAL CHIP 10K 5% 1/10W C4 5% 50V 5% 50V 5% 50V (C470: IT/C470L) 1-163-103-00 CERAMIC CHIP 27PF 5% 50V (C470: US, CND, AEP, E13, E92, SP, AUS) 1-163-086-00 CERAMIC CHIP 3PF 50V (C470L) < SWITCH > S4 S5 S6 S7 S10 1-762-233-11 SWITCH, KEYBOARD (–, TIME SET) 1-762-233-11 SWITCH, KEYBOARD (+, TIME SET) 1-762-233-11 SWITCH, KEYBOARD (SNOOZE/DATE/SLEEP OFF) 1-762-233-11 SWITCH, KEYBOARD (A RADIO, ALARM) 1-762-233-11 SWITCH, KEYBOARD (B BUZZER, ALARM) S11 1-762-233-11 SWITCH, KEYBOARD (CLOCK) ************************************************************ 1-671-684-11 KEY (B) BOARD (C470L) 1-671-684-21 KEY (B) BOARD (C470) ************* * * < SWITCH > S8 1-762-233-11 SWITCH, KEYBOARD (ALARM RESET/OFF, RADIO OFF) – 22 – CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP 50V (C470L) 50V (C470: IT) 25V 50V 50V 50V 50V 50V 25V 25V MAIN Ref. No. Part No. Description Remark C19 1-126-963-11 ELECT 4.7uF 20% C20 C21 C22 1-128-551-11 ELECT 1-126-925-11 ELECT 1-109-982-11 CERAMIC CHIP 22uF 470uF 1uF 20% 20% 10% C22 1-164-505-11 CERAMIC CHIP 2.2uF C23 C24 1-164-505-11 CERAMIC CHIP 1-104-665-11 ELECT 2.2uF 100uF 20% C24 1-126-382-11 ELECT 100uF 20% C25 1-163-085-00 CERAMIC CHIP 2PF C25 1-163-235-11 CERAMIC CHIP 22PF 50V (C470L) 25V 10V 10V (C470L) 16V (C470) Ref. No. Part No. Description Remark < TRIMMER > CT1 CT1 CT5 CT6 1-141-529-11 CAP, VARIABLE (C470: AEP, IT, E13, SP, AUS/C470L) 1-151-628-11 CAP, VARIABLE (C470: US, CND, E92) 1-141-604-11 CAP, ADJ (C470L) 1-141-604-11 CAP, ADJ (C470L) < VARIABLE CAPACITOR > 0.001uF 5% 16V 10V (C470) 6.3V (C470L) 50V (C470) 50V (C470L) C26 1-163-009-11 CERAMIC CHIP 10% C27 1-163-121-00 CERAMIC CHIP C28 1-164-004-11 CERAMIC CHIP C29 C30 1-164-004-11 CERAMIC CHIP 1-163-021-11 CERAMIC CHIP 50V (C470L) 150PF 5% 50V (C470L) 0.1uF 10% 25V (C470: US, CND, E92) 0.1uF 10% 25V 0.01uF 10% 50V C31 C32 C33 C34 C35 1-163-021-11 1-126-925-11 1-104-665-11 1-126-934-11 1-163-009-11 0.01uF 470uF 100uF 220uF 0.001uF C36 C37 C38 1-164-182-11 CERAMIC CHIP 1-163-038-00 CERAMIC CHIP 1-163-038-00 CERAMIC CHIP 0.0033uF 10% 0.1uF 0.1uF C39 1-163-038-00 CERAMIC CHIP 0.1uF C40 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V 25V 25V (C470L) 25V (C470L) 50V C41 C42 C43 C44 C45 1-128-551-11 1-163-021-11 1-163-021-11 1-163-009-11 1-163-021-11 22uF 0.01uF 0.01uF 0.001uF 0.01uF 20% 10% 10% 10% 10% 25V 50V 50V 50V 50V C48 1-163-021-11 CERAMIC CHIP 0.01uF 10% CV1 CV1 1-141-529-11 CAP, VARIABLE (TUNING) (C470: AEP, IT, E13, SP, AUS/C470L) 1-151-628-11 CAP, VARIABLE (TUNING) (C470: US, CND, E92) < DIODE > D1 D2 D3 D4 D5 8-719-074-44 8-719-074-44 8-719-052-88 8-719-074-44 8-719-976-99 DIODE DIODE DIODE DIODE DIODE 1SS120RX 1SS120RX 1N4002 1SS120RX DTZ5.1B D6 D8 D9 8-719-074-44 DIODE 1SS120RX 8-719-074-44 DIODE 1SS120RX 8-719-074-44 DIODE 1SS120RX < IC > C49 C66 C67 CERAMIC CHIP ELECT ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP 50V 10V 25V 10V 50V IC1 IC2 1-577-072-11 1-578-677-11 1-577-324-11 1-577-324-11 FILTER, CERAMIC (C470) FILTER, CRYSTAL (C470L) FILTER, CERAMIC FILTER, CERAMIC 8-752-037-02 IC CXA1019S 8-759-193-05 IC LC85632 < SHORT > 50V (C470: E13) 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25V (C470: US, CND, E13, E92, AUS) 1-163-125-00 CERAMIC CHIP 220PF 5% 50V (C470: US, CND, E92) 1-163-189-00 CERAMIC CHIP 220PF 5% 50V (C470: US, CND, E92) < FILTER > CF1 CF1 CF2 CF3 10% 20% 20% 20% 10% JC1 JC2 JC3 JC4 JC5 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-295-00 SHORT SHORT SHORT SHORT SHORT 0 0 0 0 0 (C470: AEP, IT, SP/C470L: AEP) JC6 JC9 JC10 JC11 JC12 1-216-295-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 SHORT SHORT SHORT SHORT SHORT 0 (C470: AUS/C470L: UK) 0 0 0 0 JC13 JC14 JC15 JC16 JC19 1-216-295-00 1-216-295-00 1-216-295-00 1-216-296-00 1-216-295-00 SHORT SHORT SHORT SHORT SHORT 0 (C470) 0 (C470) 0 (C470: AEP, IT, E13, SP, AUS) 0 (C470: E13) 0 (C470) JC20 JC21 JC22 JC23 JC24 1-216-296-00 1-216-296-00 1-216-295-00 1-216-296-00 1-216-295-00 SHORT SHORT SHORT SHORT SHORT 0 (C470L) 0 (C470L) 0 (C470L) 0 (C470L) 0 (C470L) JC25 JC26 JC27 JC28 JC36 1-216-295-00 1-216-295-00 1-216-296-00 1-216-295-00 1-216-296-00 SHORT SHORT SHORT SHORT SHORT 0 (C470L) 0 (C470L) 0 (C470L) 0 (C470L) 0 (C470L) JC37 JC38 JC39 1-216-295-00 SHORT 1-216-296-00 SHORT 1-216-295-00 SHORT < CONNECTOR > * CN1 * CN2 1-568-270-11 SOCKET, CONNECTOR 4P 1-568-273-11 SOCKET, CONNECTOR 7P – 23 – 0 (C470L) 0 (C470L) 0 (C470: IT) MAIN Ref. No. JC43 TRANSFORMER Part No. Description 1-216-296-00 SHORT Remark Ref. No. 0 (C470: E13) Part No. Description R19 1-216-097-00 RES, CHIP R21 ! R22 1-216-198-00 RES, CHIP 1-249-399-11 CARBON Remark 100K 5% 1/10W (C470L) < LED > LED1 8-749-015-49 LED LED1 8-749-015-50 LED LED1 8-749-015-51 LED SL-1906-54T (DATE DISPLAY) (C470: US, CND, E92) SL-3906-54T (DATE DISPLAY) (C470: E13) SL-3906-55T (DATE DISPLAY) (C470: AEP, IT, SP, AUS/C470L) ! R22 ! R23 ! R23 < COIL > L1 L2 1-402-413-21 ANTENNA, FERRITE-ROD (AM) (C470: US, CND, E92) 1-402-472-31 ANTENNA, FERRITE-ROD (AM) (C470: AEP, IT, E13, SP, AUS) 1-501-976-11 ANTENNA, FERRITE-ROD (MW/LW) (C470L) 1-428-229-11 COIL, AIR-CORE (C470: US, CND, AEP, E13, E92, SP, AUS/C470L) 1-406-425-11 COIL (C470: IT) L4 L6 L7 1-406-028-00 COIL, OSC (MW) 1-410-513-11 INDUCTOR 22uH 1-410-513-11 INDUCTOR 22uH L1 L1 L2 R24 R25 R26 R28 1K 5% 1/8W 33 5% 1/4W F (C470: AEP, IT, E13, SP, AUS/C470L) 1-249-403-11 CARBON 68 5% 1/4W F (C470: US, CND, E92) 1-249-399-11 CARBON 33 5% 1/4W F (C470: AEP, IT, E13, SP, AUS/C470L) 1-249-403-11 CARBON 68 5% 1/4W F (C470: US, CND, E92) 1-216-073-00 1-216-073-00 1-216-262-00 1-216-097-00 METAL CHIP METAL CHIP RES, CHIP RES, CHIP 10K 10K 470K 100K 5% 5% 5% 5% 1/10W 1/10W 1/8W 1/10W (C470L) < SWITCH > S1 S1 S12 1-572-949-11 SWITCH, SLIDE (BAND) (C470L) 1-762-231-11 SWITCH, SLIDE (BAND) (C470) 1-762-231-11 SWITCH, SLIDE (FREQUENCY) (C470: E13) < TRANSFORMER > < TRANSISTOR > Q1 Q2 Q3 Q4 Q5 8-729-119-76 8-729-011-92 8-729-119-78 8-729-029-96 8-729-119-76 TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR Q6 8-729-119-78 TRANSISTOR 2SC403SP-51 (C470L) T1 T1 2SA1175-HFE 2SC2001TP-K1K2 2SC403SP-51 (C470L) DTC143XSA (C470L) 2SA1175-HFE (C470: US, CND, E92/C470L) 1-404-790-11 TRANSFORMER, IF (C470) 1-404-902-21 TRANSFORMER, IF (C470L) < VARIABLE RESISTOR > VR1 1-228-790-00 RES, VAR, CARBON 50K (VOLUME) < CONNECTION CORD > W6 1-790-663-11 CORD, CONNECTION < RESISTOR > < BATTERY SNAP > R1 R2 R3 R4 1-216-049-11 1-216-021-00 1-216-073-00 1-216-073-00 R4 RES, CHIP METAL CHIP METAL CHIP METAL CHIP 1K 68 10K 10K 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W (C470L) 1-216-097-00 RES, CHIP 100K 5% R5 R6 R7 1-216-057-00 METAL CHIP 1-216-057-00 METAL CHIP 1-216-097-00 RES, CHIP 2.2K 2.2K 100K 5% 5% 5% R8 1-216-073-00 METAL CHIP 10K 5% 1/10W (C470) 1/10W 1/10W 1/10W (C470L) 1/10W (C470L) W8 1-535-804-11 SNAP, BATTERY ************************************************************ * 1-671-685-11 TRANSFORMER BOARD (C470L) * 1-671-685-21 TRANSFORMER BOARD (C470) ******************* * 1-535-771-11 TERMINAL (C470: AEP, IT, E13, SP, AUS/C470L) < TRANSFORMER > ! T2 1-433-573-11 TRANSFORMER, POWER (C470: US, CND, E92) 1-433-574-11 TRANSFORMER, POWER (C470: AEP, IT, E13, SP, AUS/C470L) ************************************************************ ! T2 R9 1-216-198-00 RES, CHIP 1K 5% R10 1-216-081-00 METAL CHIP 22K 5% R11 R12 1-216-041-00 METAL CHIP 1-216-096-00 RES, CHIP 470 91K 5% 5% R13 1-216-057-00 METAL CHIP 2.2K 5% R13 1-216-206-00 RES, CHIP 2.2K 5% R14 R18 1-216-073-00 METAL CHIP 1-216-073-00 METAL CHIP 10K 10K 5% 5% 1/8W (C470L) 1/10W (C470L) 1/10W 1/10W 1/10W (C470) 1/8W (C470L) 1/10W 1/10W (C470L) The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. – 24 – Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MISCELLANEOUS ************** !7 !7 !7 !7 !7 1-555-795-00 CORD, POWER (C470: AEP, IT, E13, SP/C470L: AEP) 1-696-572-21 CORD, POWER (C470L: UK) 1-769-339-22 CORD, POWER (C470: E92) 1-783-817-11 CORD, POWER (C470: US, CND) 1-790-431-11 CORD, POWER (C470: AUS) ANT1 1-501-907-21 ANTENNA, FM WIRE SP1 1-504-748-21 SPEAKER (6.6cm) W8 1-535-804-11 SNAP, BATTERY ************************************************************ ACCESSORIES & PACKING MATERIALS ******************************** 3-865-470-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH, GERMAN, SWEDISH) (C470: CND, AEP, AUS/C470L) 3-865-470-21 MANUAL, INSTRUCTION (ENGLISH) (C470: US) 3-865-470-31 MANUAL, INSTRUCTION (ENGLISH, ITALIAN, SPANISH, PORTUGUESE) (C470: AEP, IT, E/C470L: AEP) 3-865-470-51 MANUAL, INSTRUCTION (ENGLISH, FINNISH, DANISH, CHINESE) (C470: AEP, SP) ************************************************************ The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. – 25 – Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. ICF-C470/C470L Sony Corporation 9-926-981-11 Personal A&V Products Company – 26 – 99C0582-1 Printed in Japan © 1999. 3 Published by Quality Engineering Dept. (Shinagawa) ICF-C470/C470L US Model Canadian Model E Model Australian Model SERVICE MANUAL ICF-C470 1999. 06 AEP Model ICF-C470/C470L UK Model ICF-C470L SUPPLEMENT-1 File this supplement with the service manual. Subject: Addition of East Europe, Russia Model (ICF-C470L) (ENG-99007) • DIFFERENCE PARTS LIST ACCESSORIES & PACKING MATERIAL Page Before change Ref. No. Part No. Description After change Remark Ref. No. 25 Description Remark 3-865-470-42 MANUAL, INSTRUCTION (RUSSIAN, POLISH, CZECH, HUNGARIAN) (East Europe, Russia) Sony Corporation 9-926-981-81 Part No. Personal Audio Company 99F05075-1D Printed in Japan © 1999. 6 Published by General Engineering Dept.