Download Biamp EQ2818 Specifications

SA-AK330GC / SA-AK330GN
CD
44.1 kHz
Decoding
Dimensions (W x H x D)
16 bit linear
Digital filter
Mass
8 fs
D/A converter
250 x 330 x 341 mm
7.1 kg
Operating temperature range
MASH (1 bit DAC)
Operating humidity range
Pickup
+5 to +35°C
5 to 90% RH (no condensation)
n SYSTEM
Wavelength
780 nm
Beam Source
SC-AK330 (GC)
Music center: SA-AK330 (GC)
SC-AK330 (GN)
Music center: SA-AK330 (GN)
Semiconductor laser
Speaker: SB-AK330 (GC)
Audio output (Disc)
Number of channels
2 (Stereo) (FL,FR)
Speaker: SB-AK330 (GC)
Notes:
n GENERAL
1. Specifications are subject to change without notice. Mass and
dimensions are approximate.
Power Supply
(For GN only)
AC 230-240 V, 50Hz
(For GC only)
AC 220-240 V, 50/60Hz
Power consumption
238 W
Power consumption in standby
mode
0.7 W
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
CONTENTS
Page
1 Before Repair and Adjustment
4
2 Protection Circuitry
4
Page
10 Checking for major P.C.B.
4 Handling the Lead-free Solder
4.1. About lead free solder (PbF)
37
10.2. Checking of Transformer P.C.B.
38
5
10.3. Checking of Panel, Deck & Deck Mechanism P.C.B.
39
5
10.4. Checking of Power P.C.B.
40
3 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
37
10.1. Checking of Main P.C.B.
5
11 Self-Diagnostic Function
41
5 Handling Precautions For Traverse Deck
6
11.1. Self-diagnostic display
41
6 Precaution of Laser Diode
7
11.2. How to enter the Self-Diagnostic Function
41
7 Accessories
8
11.3. Cassette Mechanism Test (For error code H01, H02, H03,
8 Operation Procedures
9
9 Disassembly and Assembly of Main Component
F01)
41
11.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
11
9.1. Disassembly flow chart
11
F30, H15 & H16)
41
9.2. Gear for servicing (jig) Information
12
11.5. To clear all Error code
42
9.3. Disassembly of Top Cabinet
13
11.6. To exit from Self-Diagnostic function
42
9.4. Disassembly of CD Lid
13
11.7. Power Amplifier Failure (F61)
42
9.5. Disassembly of Rear Panel
15
11.8. Description of Error Code
42
9.6. Disassembly of CD Mechanism Unit
15
9.7. Disassembly of Main P.C.B.
16
12.1. How to set CD test mode
44
9.8. Disassembly of Power P.C.B.
16
12.2. CD Automatically Adjustment result indication
44
9.9. Disassembly of Transformer P.C.B.
12 CD Test Mode Function
44
17
12.3. CD Mecha Aging Test Mode (CR20)
44
9.10. Disassembly of Front Panel Unit
18
12.4. Micon ROM Checksum and Version Display Mode
45
9.11. Disassembly of Deck Mechanism Unit
18
9.12. CD Mechanism Main Component Replacement
Procedures
19
9.13. Replacement for the pinch roller ass 馳 and head block 32
13 Measurements and Adjustments
46
13.1. Cassette Deck Section
46
13.2. Tuner Section
46
13.3. Alignment Points
47
14 Block Diagram
48
32
15 Voltage Measurement
55
9.15. Replacement for the cassette lid ass 馳
35
16 Schematic Diagram
57
9.16. Rectification for tape jam problem
36
9.14. Replacement for the Deck motor ass 馳, capstan belt A,
capstan belt B and winding belt
16.1. (A) CD Servo Circuit
2
58