SC-HC17EB, SC-HC17EC, SC-HC17EE, SC-HC17EG - Panasonic Audio Service Manual (repair manual). Page 2

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10.9. Disassembly of FL Window---------------------------- 36

10.10. Disassembly of Gear Box Assembly ---------------- 37

10.11. Replacement of Rack Top & Slider Top ------------ 42

10.12. Replacement of Bridge P.C.B., Door Shaft &

Slider Bottom ---------------------------------------------- 44

10.13. Disassembly of Position Switch P.C.B. &

Timing Gear Unit ----------------------------------------- 48

10.14. Disassembly of Top Button Unit, Button P.C.B.

and Panel P.C.B. ----------------------------------------- 50

10.15. Disassembly of CD Mechanism ---------------------- 52
10.16. Disassembly of CD Servo P.C.B.--------------------- 53
10.17. Disassembly of Tuner P.C.B. -------------------------- 55
10.18. Disassembly of SMPS P.C.B. ------------------------- 56
10.19. Replacement of Diode (D1700) ---------------------- 59
10.20. Disassembly of Speaker Unit ------------------------- 61
10.21. Disassembly of Main P.C.B. --------------------------- 62

11 Service Position ------------------------------------------------- 64

11.1. Checking & Repairing of Panel P.C.B. -------------- 64
11.2. Checking & Repairing of SMPS P.C.B. ------------- 65
11.3. Checking & Repairing of CD Servo P.C.B.--------- 66
11.4. Checking & Repairing of Main P.C.B. (Side B) --- 68
11.5. Checking & Repairing of Main P.C.B. (Side A) --- 68

12 Block Diagram --------------------------------------------------- 71

12.1. SERVO & SYSTEM CONTROL BLOCK

DIAGRAM -------------------------------------------------- 71

12.2. IC TERMINAL CHART---------------------------------- 72
12.3. AUDIO BLOCK DIAGRAM ---------------------------- 73
12.4. POWER SUPPLY (1/2) BLOCK DIAGRAM ------- 74
12.5. POWER SUPPLY (2/2) BLOCK DIAGRAM ------- 75

13 Wiring Connection Diagram --------------------------------- 76
14 Schematic Diagram--------------------------------------------- 77

14.1. Schematic Diagram Notes ----------------------------- 77
14.2. CD SERVO CIRCUIT (1/2) ---------------------------- 79
14.3. CD SERVO CIRCUIT (2/2) ---------------------------- 80
14.4. MAIN CIRCUIT (1/4) ------------------------------------ 81
14.5. MAIN CIRCUIT (2/4) ------------------------------------ 82
14.6. MAIN CIRCUIT (3/4) ------------------------------------ 83
14.7. MAIN CIRCUIT (4/4) ------------------------------------ 84
14.8. TUNER CIRCUIT----------------------------------------- 85
14.9. PANEL, BUTTON, POSITION SWITCH &

MOTOR CIRCUIT---------------------------------------- 86

14.10. SMPS CIRCUIT ------------------------------------------ 87

15 Printed Circuit Board ------------------------------------------ 88

15.1. CD SERVO P.C.B. --------------------------------------- 88
15.2. MAIN P.C.B. (Side A)------------------------------------ 89
15.3. MAIN P.C.B. (Side B)------------------------------------ 90
15.4. TUNER P.C.B. -------------------------------------------- 91
15.5. PANEL, BUTTON, POSITION SWITCH &

MOTOR P.C.B.-------------------------------------------- 92

15.6. SMPS P.C.B. ---------------------------------------------- 93

16 Appendix Information of Schematic Diagram --------- 95

16.1. Voltage Measurement & Waveform Chart --------- 95
16.2. Illustration of IC’s, Transistors and Diodes ------ 101
16.3. Terminal Function of IC’s ----------------------------- 102

17 Exploded View and Replacement Parts List --------- 103

17.1. Exploded View and Mechanical replacement

Parts List ------------------------------------------------- 103

17.2. Electrical Replacement Parts List ------------------ 109