Panasonic SA-AK230GCP, Руководство по обслуживанию

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D/A converter MASH (1 bit DAC)
Pickup
Wavelength 780 nm
Beam Source Semiconductor laser
Audio output (Disc)
Number of channels 2 (Stereo) (FL,FR)
n GENERAL
Power Supply AC 110-127/220-240 V, 50/60 Hz
Power consumption 179 W
Power consumption in standby
mode
0.85 W
Dimensions (W x H x D) 250 x 330 x 341 mm
1 Before Use 4
2 Before Repair and Adjustment 4
3 Protection Circuitry 4
4 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 4
5 Handling the Lead-free Solder 5
5.1. About lead free solder (PbF) 5
6 Handling Precautions For Traverse Deck 6
7 Precaution of Laser Diode 7
8 Accessories 8
9 Operation Procedures 9
10 Disassembly and Assembly of Main Component 11
10.1. Disassembly flow chart 11
10.2. Gear for servicing (jig) Information 12
10.3. Disassembly of Top Cabinet 13
10.4. Disassembly of CD Lid 13
10.5. Disassembly of Rear Panel 15
10.6. Disassembly of CD Mechanism Unit 15
10.7. Disassembly of Main P.C.B. 16
10.8. Disassembly of Power P.C.B. 16
10.9. Disassembly of Transformer P.C.B. 17
10.10. Disassembly of Front Panel Unit 18
10.11. Disassembly of Deck Mechanism Unit 18
10.12. CD Mechanism Main Component Replacement
Procedures 19
10.13. Replacement for the pinch roller ass
馳
and head block 33
10.14. Replacement for the Deck motor ass
馳
, capstan belt A,
capstan belt B and winding belt 34
10.15. Replacement for the cassette lid ass
馳
37
10.16. Rectification for tape jam problem 38
11 Checking for major P.C.Bs 39
11.1. Checking of Main P.C.B. 39
11.2. Checking of Transformer P.C.B. 40
Mass 6.9 kg
Operating temperature range +5 to +35°C
Operating humidity range 5 to 90% RH (no condensation)
n SYSTEM
SC-AK230 (GCP) Music center: SA-AK230 (GCP)
Speaker: SB-AK230 (GC)
Notes:
1. Specifications are subject to change without notice. Mass and
dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
11.3. Checking of Panel, Deck & Deck Mechanism P.C.B. 41
11.4. Checking of Power P.C.B. 42
12 Self-Diagnostic Function 43
12.1. Self-diagnostic display 43
12.2. How to enter the Self-Diagnostic Function 43
12.3. Cassette Mechanism Test (For error code H01, H02, H03,
F01) 43
12.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29,
F30, H15 & H16) 43
12.5. To clear all Error code 44
12.6. To exit from Self-Diagnostic function 44
12.7. Power Amplifier Failure (F61) 44
12.8. Description of Error Code 44
13 CD Test Mode Function 46
13.1. How to set CD test mode 46
13.2. CD Automatically Adjustment result indication 46
13.3. CD Mecha Aging Test Mode (CR20) 46
13.4. Micon ROM Checksum and Version Display Mode 47
14 Measurements and Adjustments 48
14.1. Cassette Deck Section 48
14.2. Tuner Section 48
14.3. Alignment Points 49
15 Block Diagram 50
16 Voltage Measurement 57
17 Schematic Diagram 59
17.1. (A) CD Servo Circuit 60
17.2. (B) Main (Tuner) Circuit 62
17.3. (B) Main Circuit 63
17.4. (C) Panel Circuit 67
17.5. (D) Transformer Circuit, (E) CD Detect Circuit, (F) Spindle
Position Circuit & (G) CD Loading Circuit 69
17.6. (H) Power Circuit 70
17.7. (I) Deck Circuit & (J) Deck Mechanism Circuit 71
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SA-AK23 0GCP