SA-VKX80GA, SA-VKX80GC, SA-VKX80GS - Panasonic Audio Service Manual (repair manual). Page 2

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5.1. Main Unit Key Button Operation---------------------- 16
5.2. Remote Control Key Button Operation ------------- 17
5.3. Disc Information ------------------------------------------ 18

6 Self-Diagnostic and Special Mode Setting ------------- 19

6.1. Cold-Start--------------------------------------------------- 19
6.2. Self-Diagnostic Mode Table --------------------------- 20
6.3. Self Diagnostic Function-Error Code ---------------- 27
6.4. Firmware Version-Up Information -------------------- 30
6.5. Sales Demonstration Lock Function ---------------- 32

7 Troubleshooting Guide---------------------------------------- 34

7.1. Troubleshooting Guide for F61 and/or F76 -------- 34
7.2. Part Location ---------------------------------------------- 35
7.3. D-Amp IC Operation & Control ----------------------- 38

8 Service Fixture & Tools --------------------------------------- 40

8.1. Service Tools and Equipment ------------------------- 40

9 Disassembly and Assembly Instructions --------------- 41

9.1. Disassembly Flow Chart-------------------------------- 43
9.2. Main Components and P.C.B. Locations ----------- 44
9.3. Disassembly of Side Panel L & R -------------------- 45
9.4. Disassembly of Top Cabinet Unit -------------------- 46
9.5. Disassembly of Deck Mechanism Unit ------------- 47
9.6. Disassembly of Deck P.C.B.--------------------------- 49
9.7. Disassembly of Cassette Lid -------------------------- 49
9.8. Disassembly of Front Panel --------------------------- 50
9.9. Disassembly of Panel P.C.B. -------------------------- 52

9.10. Disassembly of Remote Sensor P.C.B.------------- 54

9.11. Disassembly of CD Open Button P.C.B.------------ 54

9.12. Disassembly of USB P.C.B. --------------------------- 55
9.13. Disassembly of Mic P.C.B. ----------------------------- 55
9.14. Disassembly of Music Port P.C.B. ------------------- 56
9.15. Disassembly of CD Lid---------------------------------- 56
9.16. Disassembly of Main P.C.B. --------------------------- 57
9.17. Replacement of Regulator IC (IC4200)------------- 58
9.18. Disassembly of SMPS P.C.B. ------------------------- 59
9.19. Replacement of Switching Regulator IC

(IC5701) ---------------------------------------------------- 61

9.20. Replacement of Rectifier Diode (D5702)----------- 62
9.21. Replacement of Regulator Diode (D5801)--------- 64
9.22. Replacement of Regulator Diode (D5802)--------- 65
9.23. Replacement of Regulator Diode (D5803)--------- 66
9.24. Disassembly of DVD Module P.C.B.----------------- 67
9.25. Disassembly of DVD Mechanism Unit

(DLS6E) ---------------------------------------------------- 69

9.26. Disassembly of D-Amp P.C.B. ------------------------ 70
9.27. Replacement of Audio Digital Amp IC

(IC5000) ---------------------------------------------------- 72

9.28. Replacement of Audio Digital Amp IC

(IC5200) ---------------------------------------------------- 72

9.29. Replacement of Audio Digital Amp IC

(IC5400) ---------------------------------------------------- 73

9.30. Disassembly of Rear Panel---------------------------- 74
9.31. Disassembly of Voltage Selector P.C.B.------------ 75

10 Replacement of Traverse Unit ------------------------------ 77

10.1. Disassembly of Traverse Unit------------------------- 77
10.2. Assembly of Traverse Unit ----------------------------- 78

11 Service Position ------------------------------------------------- 79

11.1. Checking and Repairing of D-Amp P.C.B. --------- 79
11.2. Checking and Repairing of Panel P.C.B. ----------- 79
11.3. Checking and Repairing of Deck P.C.B.------------ 80
11.4. Checking and Repairing of SMPS P.C.B. ---------- 81

11.5. Checking and Repairing of DVD Module

P.C.B. Side A --------------------------------------------- 82

11.6. Checking and Repairing of DVD Module

P.C.B. Side B --------------------------------------------- 83

11.7. Checking and Repairing of Main P.C.B. Side A -- 84
11.8. Checking and Repairing Side B of Main P.C.B. -- 84

12 Measurements & Adjustments ----------------------------- 85

12.1. Deck Mechanism Section ----------------------------- 85

13 Voltage & Waveform Chart ---------------------------------- 85

13.1. DVD Module P.C.B. (1/3) ------------------------------ 86
13.2. DVD Module P.C.B. (2/3) ------------------------------ 87
13.3. DVD Module P.C.B. (3/3) ------------------------------ 88
13.4. Main P.C.B. (1/4)----------------------------------------- 89
13.5. Main P.C.B. (2/4)----------------------------------------- 90
13.6. Main P.C.B. (3/4)----------------------------------------- 91
13.7. Main P.C.B. (4/4)----------------------------------------- 92
13.8. Panel P.C.B.----------------------------------------------- 92
13.9. Mic P.C.B.-------------------------------------------------- 92

13.10. Deck P.C.B. ----------------------------------------------- 93

13.11. D-Amp P.C.B. --------------------------------------------- 93

13.12. SMPS P.C.B.---------------------------------------------- 94
13.13. Waveform Table (1/3) ----------------------------------- 95
13.14. Waveform Table (2/3) ----------------------------------- 96
13.15. Waveform Table (3/3) ----------------------------------- 97

14 Illustration of ICs, Transistor and Diode ---------------- 98
15 Simplified Block Diagram------------------------------------ 99

15.1. Overall Simplified Block Diagram-------------------- 99
15.2. D-Amp Block Diagram--------------------------------- 100

16 Block Diagram -------------------------------------------------- 101

16.1. DVD Module --------------------------------------------- 101
16.2. IC Terminal Chart --------------------------------------- 102
16.3. System Control ------------------------------------------ 103
16.4. Audio------------------------------------------------------- 104
16.5. Power Amplifier & Video ------------------------------ 105
16.6. Power Supply -------------------------------------------- 107

17 Wiring Connection Diagram ------------------------------- 109
18 Schematic Diagram ------------------------------------------- 111

18.1. Schematic Diagram Notes --------------------------- 111
18.2. DVD Module Circuit ------------------------------------ 113
18.3. Main Circuit----------------------------------------------- 117
18.4. Deck Circuit ---------------------------------------------- 125
18.5. Panel Circuit --------------------------------------------- 126
18.6. CD Open Button, Mic, USB & Remote Sensor

Circuit ------------------------------------------------------ 128

18.7. D-Amp Circuit-------------------------------------------- 129
18.8. SMPS Circuit--------------------------------------------- 131
18.9. Voltage Selector (For GA/GS Only) & Music

Port Circuit ----------------------------------------------- 133

19 Printed Circuit Board----------------------------------------- 134

19.1. DVD Module P.C.B. ------------------------------------ 134
19.2. Main P.C.B.----------------------------------------------- 135
19.3. Deck, CD Open Button, Mic, USB & Remote

Sensor P.C.B.-------------------------------------------- 136

19.4. Panel P.C.B.---------------------------------------------- 137
19.5. D-Amp P.C.B. -------------------------------------------- 138
19.6. SMPS P.C.B.--------------------------------------------- 139
19.7. Voltage Selector and Music Port P.C.B.----------- 141

20 Terminal Function of ICs ------------------------------------ 143

20.1. IC2800 (RFKWMVKX80GA): IC MICRO-

PROCESSOR ------------------------------------------- 143

20.2. IC6000(C0HBB0000061): IC FL Driver ----------- 143