SC-HC40EG, SC-HC40EP - Panasonic Audio Service Manual (repair manual). Page 2

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7.3. Doctor Mode----------------------------------------------- 22
7.4. Sales Demonstration Lock Function Mode -------- 25

8 Service Fixture & Tools --------------------------------------- 26
9 Disassembly and Assembly Instructions --------------- 27

9.1. Disassembly flow chart --------------------------------- 28
9.2. Types of Screws ------------------------------------------ 29
9.3. Main Parts Location Diagram ------------------------- 29
9.4. Disassembly of Stand Unit ----------------------------- 30
9.5. Replacement of CD Door Assembly ---------------- 30
9.6. Disassembly of Net Frame Assembly--------------- 32
9.7. Disassembly of Front Panel Block ------------------- 34
9.8. Disassembly of Top Ornament Unit ----------------- 35
9.9. Disassembly of Button P.C.B. ------------------------- 36

9.10. Disassembly of Passive Radiator (SP5).----------- 36

9.11. Disassembly of Passive Radiator (SP6).----------- 37

9.12. Disassembly of Front Speaker (SP1). -------------- 37
9.13. Disassembly of Front Speaker (SP2). -------------- 39
9.14. Disassembly of Passive Radiator (SP3).----------- 41
9.15. Disassembly of Passive Radiator (SP4).----------- 41
9.16. Disassembly of Traverse Unit. ------------------------ 42
9.17. Disassembly of Traverse Cover & Traverse

Assembly. -------------------------------------------------- 42

9.18. Disassembly of CD Servo P.C.B.--------------------- 43
9.19. Disassembly of USB P.C.B. --------------------------- 44
9.20. Disassembly of USB Lid-------------------------------- 45
9.21. Disassembly of Headphone/AUX P.C.B. ----------- 46
9.22. Disassembly of PCB Block ---------------------------- 47
9.23. Disassembly of SMPS P.C.B. ------------------------- 49
9.24. Replacement of Switching Regulator IC

(IC5701) ---------------------------------------------------- 51

9.25. Replacement of Voltage Regulator IC

(IC2910) ---------------------------------------------------- 52

9.26. Replacement of Diode (D5802) ---------------------- 54
9.27. Disassembly of Horizontal Main P.C.B. and

Vertical Main P.C.B.-------------------------------------- 55

9.28. Replacement of Power Amplifier IC (IC1)---------- 55
9.29. Disassembly of Bluetooth P.C.B. --------------------- 57
9.30. Disassembly of Tuner P.C.B. -------------------------- 57
9.31. Disassembly of Fan Unit ------------------------------- 58
9.32. Disassembly of Panel P.C.B. -------------------------- 59
9.33. Disassembly of IR P.C.B. and iPod/iPhone

Switch P.C.B. ---------------------------------------------- 60

9.34. Disassembly of Motor P.C.B., Door Switch

P.C.B. and Interlock Switch P.C.B.------------------- 61

9.35. Disassembly of Motor Assembly --------------------- 64
9.36. Disassembly of iPod/iPhone P.C.B. ----------------- 65

10 Service Position ------------------------------------------------- 69

10.1. Checking & Repairing of Panel P.C.B. -------------- 69
10.2. Checking & Repairing of CD Servo P.C.B.--------- 69
10.3. Checking & Repairing of SMPS P.C.B. ------------- 70
10.4. Checking & Repairing of Horizontal Main

P.C.B.-------------------------------------------------------- 72

10.5. Checking & Repairing of Vertical Main P.C.B.

(Side A) ----------------------------------------------------- 73

10.6. Checking & Repairing of Vertical Main P.C.B.

(Side B) ----------------------------------------------------- 75

10.7. Checking & Repairing of USB P.C.B. --------------- 76

11 Voltage Measurement & Waveform Chart--------------- 78

11.1. CD SERVO P.C.B. --------------------------------------- 78
11.2. VERTICAL MAIN P.C.B. (1/3)------------------------- 79
11.3. VERTICAL MAIN P.C.B. (2/3)------------------------- 80

11.4. VERTICAL MAIN P.C.B. (3/3) ------------------------ 81
11.5. HORIZONTAL MAIN P.C.B. --------------------------- 81
11.6. PANEL P.C.B.--------------------------------------------- 82
11.7. BUTTON P.C.B. ------------------------------------------ 82
11.8. TUNER P.C.B. -------------------------------------------- 82
11.9. IR P.C.B. --------------------------------------------------- 82

11.10. SMPS P.C.B.---------------------------------------------- 83

11.11. USB P.C.B. ------------------------------------------------ 83

11.12. Waveform Chart------------------------------------------ 84

12 Illustration of IC’s, Transistors and Diodes------------ 85
13 Overall Simplified Block-------------------------------------- 87
14 Block Diagram --------------------------------------------------- 89

14.1. SERVO/SYSTEM CONTROL(1/2) BLOCK

DIAGRAM ------------------------------------------------- 89

14.2. SERVO/SYSTEM CONTROL(2/2) BLOCK

DIAGRAM ------------------------------------------------- 90

14.3. IC TERMINAL CHART (SERVO/SYSTEM

CONTROL)------------------------------------------------ 91

14.4. BLUETOOTH BLOCK DIAGRAM ------------------- 92
14.5. AUDIO BLOCK DIAGRAM ---------------------------- 93
14.6. POWER SUPPLY(1/2) BLOCK DIAGRAM-------- 94
14.7. POWER SUPPLY(2/2) BLOCK DIAGRAM-------- 95

15 Wiring Connection Diagram -------------------------------- 96
16 Schematic Diagram Notes ----------------------------------- 97
17 Schematic Diagram -------------------------------------------- 99

17.1. CD SERVO CIRCUIT----------------------------------- 99
17.2. VERTICAL MAIN CIRCUIT (1/4) ------------------- 100
17.3. VERTICAL MAIN CIRCUIT (2/4) ------------------- 101
17.4. VERTICAL MAIN CIRCUIT (3/4) ------------------- 102
17.5. VERTICAL MAIN CIRCUIT (4/4) ------------------- 103
17.6. HORIZONTAL MAIN CIRCUIT ---------------------- 104
17.7. PANEL & BUTTON CIRCUIT ------------------------ 105
17.8. TUNER, HEADPHONE/AUX, IR & MOTOR

CIRCUIT -------------------------------------------------- 106

17.9. iPod/iPhone, iPod/iPhone SWITCH, DOOR

SWITCH & INTERLOCK SWITCH CIRCUIT ---- 107

17.10. SMPS CIRCUIT ----------------------------------------- 108

17.11. USB CIRCUIT ------------------------------------------- 109

18 Printed Circuit Board----------------------------------------- 110

18.1. CD SERVO P.C.B.-------------------------------------- 110
18.2. VERTICAL MAIN P.C.B. ------------------------------ 111
18.3. HORIZONTAL MAIN P.C.B. -------------------------- 112
18.4. PANEL, BUTTON, HEADPHONE/AUX &

MOTOR P.C.B. ------------------------------------------ 113

18.5. TUNER, IR, iPod/iPhone & iPod/iPhone

SWITCH P.C.B. ----------------------------------------- 114

18.6. DOOR SWITCH, INTERLOCK SWITCH &

SMPS P.C.B.--------------------------------------------- 115

18.7. USB P.C.B. ----------------------------------------------- 116

19 Terminal Function of IC’s ----------------------------------- 117

19.1. IC801 (RFKWMHC30-K) MICRO

PROCESSOR IC --------------------------------------- 117

19.2. IC7001 (MN6627954AMA) IC SERVO

PROCESSOR ------------------------------------------- 118

19.3. IC7002 (BA5948FPE2) IC 4CH Drive ------------- 119

20 Exploded View and Replacement Parts List---------- 121

20.1. Exploded View and Mechanical replacement

Parts List -------------------------------------------------- 121

20.2. Electrical Replacement Parts List ------------------ 127