Panasonic SC-HC4GK Service Manual page 2

9.11. Disassembly of Front Panel Block ------------------- 35
9.12. Disassembly of Tuner Pack --------------------------- 35
9.13. Disassembly of SMPS Unit ---------------------------- 36
9.14. Disassembly of AC IN P.C.B.-------------------------- 37
9.15. Disassembly of SMPS P.C.B. ------------------------- 39
9.16. Replacement of Switching Regulator IC
(IC702) ------------------------------------------------------ 40
9.17. Replacement of Diode (D702) ------------------------ 42
9.18. Replacement of Diode (D704) ------------------------ 44
9.19. Disassembly of Main P.C.B. --------------------------- 46
9.20. Disassembly of Fan-------------------------------------- 49
9.21. Disassembly of AUX / HP P.C.B.--------------------- 49
9.22. Disassembly of Traverse Deck ----------------------- 50
9.23. Disassembly of Traverse Cover & Traverse
Unit----------------------------------------------------------- 51
9.24. Disassembly of CD Servo P.C.B.--------------------- 52
9.25. Disassembly of D-Amp P.C.B. ------------------------ 53
9.26. Disassembly of Fan Unit (iPod) ---------------------- 53
9.27. Disassembly of USB Module Assembly ------------ 55
9.28. Disassembly of USB P.C.B. --------------------------- 55
9.29. Disassembly of SD Lid---------------------------------- 56
9.30. Disassembly of FL P.C.B. ------------------------------ 57
9.31. Disassembly of iPod P.C.B.---------------------------- 58
9.32. Disassembly of Motor P.C.B. -------------------------- 61
9.33. Disassembly of Position SW P.C.B. ----------------- 62
9.34. Disassembly of iPod SW P.C.B. ---------------------- 63
9.35. Disassembly of IR P.C.B.------------------------------- 64
10 Service Position ------------------------------------------------- 66
10.1. Checking and Repairing Main P.C.B. --------------- 66
10.2. Checking and Repairing D-Amp P.C.B.------------- 73
10.3. Checking and Repairing FL P.C.B. ------------------ 74
10.4. Checking and Repairing CD Servo P.C.B. --------- 74
10.5. Checking and Repairing USB P.C.B.---------------- 75
10.6. Checking and Repairing AC IN P.C.B. -------------- 75
10.7. Checking and Repairing SMPS P.C.B. ------------- 78
11 Voltage Measurement & Waveform Chart--------------- 80
11.1. CD SERVO P.C.B. --------------------------------------- 80
11.2. D-AMP P.C.B. --------------------------------------------- 81
11.3. FL P.C.B. --------------------------------------------------- 81
11.4. MAIN P.C.B. (1/3) ---------------------------------------- 82
11.5. MAIN P.C.B. (2/3) ---------------------------------------- 83
11.6. MAIN P.C.B. (3/3) ---------------------------------------- 84
11.7. SMPS P.C.B. ---------------------------------------------- 84
11.8. USB P.C.B.------------------------------------------------- 85
11.9. Waveform Chart ------------------------------------------ 86
12 Illustration of IC's, Transistors and Diodes ------------ 88
13 Overall Simplified Block -------------------------------------- 89
14 Block Diagram --------------------------------------------------- 92
14.1. CD SERVO BLOCK DIAGRAM ---------------------- 92
14.2. MAIN (1/2) / TUNER / iPod / FL / MOTOR /
USB BLOCK DIAGRAM -------------------------------- 93
14.3. MAIN (2/2) / D-AMP BLOCK DIAGRAM ----------- 94
14.4. PANEL1/2 / AUX/HP / IR / SMPS / AC IN
BLOCK DIAGRAM --------------------------------------- 95
15 Wiring Connection Diagram --------------------------------- 96
16 Schematic Diagram Notes ----------------------------------- 97
17 Schematic Diagram--------------------------------------------- 98
17.1. CD SERVO CIRCUIT ----------------------------------- 98
17.2. MAIN CIRCUIT (1/4) ------------------------------------ 99
17.3. MAIN CIRCUIT (2/4) ---------------------------------- 100
17.4. MAIN CIRCUIT (3/4) ---------------------------------- 101
17.5. MAIN CIRCUIT (4/4) ----------------------------------- 102
17.6. FL CIRCUIT, PANEL 1 CIRCUIT and PANEL
2 CIRCUIT------------------------------------------------ 103
17.7. TUNER CIRCUIT, AUX/HP CIRCUIT, IR
CIRCUIT, MOTOR CIRCUIT, POSITION SW
CIRCUIT and iPod SW CIRCUIT------------------- 104
17.8. iPod CIRCUIT and AC IN CIRCUIT---------------- 105
17.9. D-AMP CIRCUIT---------------------------------------- 106
17.10. SMPS CIRCUIT ----------------------------------------- 107
17.11. USB CIRCUIT ------------------------------------------- 108
18 Printed Circuit Board----------------------------------------- 109
18.1. CD SERVO P.C.B.-------------------------------------- 109
18.2. MAIN P.C.B. (1/2)--------------------------------------- 110
18.3. MAIN P.C.B. (2/2)--------------------------------------- 111
18.4. TUNER P.C.B., FL P.C.B., PANEL 1 P.C.B.,
PANEL 2 P.C.B., AUX/HP P.C.B. and IR
P.C.B. ------------------------------------------------------ 112
18.5. MOTOR P.C.B., POSITION SW P.C.B., iPod
SW P.C.B., iPod P.C.B. and D-AMP P.C.B. ------ 113
18.6. SMPS P.C.B., AC IN P.C.B. and USB P.C.B. ---- 114
19 Terminal Function of IC's ----------------------------------- 115
19.1. IC801
PROCESSOR IC --------------------------------------- 115
19.2. IC7001 (MN6627954AMA)
PROCESSOR ------------------------------------------- 116
19.3. IC7002 (BA5948FPE2) IC 4CH Drive ------------- 117
20 Exploded View and Replacement Parts List---------- 118
20.1. Exploded View and Mechanical replacement
Parts List -------------------------------------------------- 118
20.2. Electrical Replacement Parts List ------------------ 124
2
(RFKWMAHC4EP)
IC SERVO
MICRO