Table Of Contents - Panasonic SA-AK18 Service Manual

CD Stereo System 1
Specifications 1
1. Before Repair and Adjustment 3
2. Protection Circuitry 3
3. Accessories 3
4. Handling Precautions For Traverse Deck 5
5. Precaution of Laser Diode 6
6. Caution for AC Mains Lead 8
7. Operation Procedures 9
8. Operation Checks and Main Component Replacement Procedures 11
8.1. Checking Procedure for each major P.C.B. 12
8.1.1. Checking of the Main, Panel, Deck and Power P.C.B. 12
8.2. Main Component Replacement Procedures 15
8.2.1. Replacement of the Traverse Deck 16
8.2.2. Replacement of the Power Amplifier IC 18
8.3. Disassembly and assembly of the Traverse Unit 20
8.4. Disassembly and assembly of the Disc Tray 22
9. Self-Diagnostic Function 25
9.1. Self-diagnostic display 25
9.2. How to enter the Self-Diagnostic Function 25
9.3. Cassette Mechanism Test (For error code H01, H02, H03, F01, F02) 26
9.4. CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29, H15, F75) 26
9.5. To clear all Error code 27
9.6. How to get out from Self-Diagnostic function 27
9.7. Power Amplifier Failure (F61) 27
10. Description of Error Code 27
10.1. Error detection for Cassette Mechanism block 27
10.2. Error detection for CD/Changer block 27
10.3. Power Supply related error detection 28
11. CD Test Mode Function 28
11.1. How to set CD test mode 28
11.2. CD Automatically Adjustment result indication 29
12. Measurements and Adjustments 29
12.1. Cassette Deck Section 29
12.1.1. Head Azimuth Adjustment (Deck 1/2) 29
12.1.2. Tape Speed Adjustment (Deck 1/2) 30
12.1.3. Bias and Erase Voltage Check 30
12.1.4. Bias Frequency Adjustment (Deck 1/2) 31
12.2. Tuner Section 31
12.2.1. AM-IF Alignment 31
12.3. Alignment Points 32
13. Illustration of IC's, Transistors and Diodes 33
14. Terminal Function of ICs 33
14.1. IC701 (AN8839NSBE2) Servo Amplifier 33
14.2. IC702 (MN662790RSC) Servo processor/ Digital signal processor/ Digital filter/ D/A converter 34
14.3. IC703 (AN8739SBE2) Focus coil/ Tracking coil/ Traverse motor/ Spindle motor driver 36
14.4. IC600 (M38199MF227) System Microprocessor 37
15. Block Diagram 39
16. Schematic Diagram 39
17. Printed Circuit Board 42
18. Wiring Connection Diagram 42
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