SA-PM24EB, SA-PM24EG, SA-PM24EP, SC-PM24EP - Panasonic Audio Service Manual (repair manual). Page 2

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5.3. Media Information ---------------------------------------- 15

6 Self-diagnostic and special mode setting -------------- 16

6.1. Entering into Self-diagnostic Mode ------------------ 16
6.2. Self-diagnostic Function Error Code ---------------- 16
6.3. Entering into Doctor Mode ----------------------------- 17

7 Troubleshooting Guide---------------------------------------- 21
8 Service Fixture & Tools --------------------------------------- 23
9 Disassembly and Assembly Instructions --------------- 24

9.1. Disassembly flow chart --------------------------------- 25
9.2. Main Parts Location Diagram ------------------------- 26
9.3. Disassembly of Top Cabinet Assembly ------------- 27
9.4. Disassembly of Headphone P.C.B. ------------------ 28
9.5. Disassembly of Front Panel Assembly ------------- 29
9.6. Disassembly of USB P.C.B. --------------------------- 30
9.7. Disassembly of Panel P.C.B. -------------------------- 31
9.8. Disassembly of FL Window---------------------------- 33
9.9. Disassembly of Centre Ornament ------------------- 34

9.10. Disassembly of CD Lid---------------------------------- 34

9.11. Disassembly of Main P.C.B. --------------------------- 36

9.12. Disassembly of Power P.C.B. ------------------------- 38
9.13. Replacement of Power Amp IC (IC5101) ---------- 39
9.14. Disassembly of Transformer P.C.B. ----------------- 41
9.15. Replacement of Transistor (Q5901) ----------------- 43
9.16. Disassembly of CD Mechanism Unit (DLS6C) --- 45
9.17. Disassembly of CD Servo P.C.B.--------------------- 46

10 Disassembly and Assembly of Traverse Unit --------- 48

10.1. Disassembling Procedures ---------------------------- 48
10.2. Assembling Procedures -------------------------------- 49

11 Service Position ------------------------------------------------- 51

11.1. Checking and Repairing of USB P.C.B. ------------ 51
11.2. Checking and Repairing of Panel P.C.B. ----------- 52
11.3. Checking and Repairing of Transformer

P.C.B.-------------------------------------------------------- 53

11.4. Checking and Repairing of Main P.C.B. ------------ 54
11.5. Checking and Repairing of Power P.C.B. ---------- 55
11.6. Checking and Repairing of CD Servo P.C.B.------ 55

12 Voltage Measurement & Waveform Chart--------------- 57

12.1. CD SERVO P.C.B. --------------------------------------- 57
12.2. MAIN P.C.B. (1/2) ---------------------------------------- 58
12.3. MAIN P.C.B. (2/2) ---------------------------------------- 59
12.4. PANEL P.C.B. --------------------------------------------- 59
12.5. POWER P.C.B. ------------------------------------------- 59
12.6. TRANSFORMER P.C.B.-------------------------------- 60
12.7. USB P.C.B.------------------------------------------------- 60
12.8. Waveform Chart ------------------------------------------ 61

13 Illustration of IC’s, Transistors and Diodes ------------ 62
14 Overall Simplified Block -------------------------------------- 63

14.1. Control Signal Diagram --------------------------------- 63
14.2. Block Connection Diagram ---------------------------- 64

15 Block Diagram --------------------------------------------------- 65

15.1. SERVO/SYSTEM CONTROL BLOCK

DIAGRAM -------------------------------------------------- 65

15.2. AUDIO BLOCK DIAGRAM ---------------------------- 66
15.3. POWER SUPPLY BLOCK DIAGRAM -------------- 67

16 Wiring Connection Diagram --------------------------------- 69
17 Schematic Diagram Notes ----------------------------------- 71
18 Schematic Diagram--------------------------------------------- 73

18.1. CD SERVO CIRCUIT ----------------------------------- 73
18.2. MAIN CIRCUIT (1/4) ------------------------------------ 74
18.3. MAIN CIRCUIT (2/4) ------------------------------------ 75
18.4. MAIN CIRCUIT (3/4) ------------------------------------ 76

18.5. MAIN CIRCUIT (4/4) ------------------------------------ 77
18.6. PANEL CIRCUIT----------------------------------------- 78
18.7. USB CIRCUIT -------------------------------------------- 79
18.8. TRANSFORMER CIRCUIT --------------------------- 80
18.9. POWER CIRCUIT / HEADPHONE CIRCUIT ---- 81

19 Printed Circuit Board------------------------------------------ 83

19.1. CD SERVO P.C.B. / PANEL P.C.B. ----------------- 83
19.2. MAIN P.C.B. / USB P.C.B. ----------------------------- 84
19.3. HEADPHONE P.C.B. / POWER P.C.B. /

TRANSFORMER P.C.B. ------------------------------- 85

20 Terminal Function of IC’s ------------------------------------ 87

20.1. IC800 (RFKWMPM5EB) MICRO

PROCESSOR -------------------------------------------- 87

21 Exploded View and Replacement Parts List----------- 89

21.1. Exploded View and Mechanical Replacement

Parts List --------------------------------------------------- 89

21.2. Electrical Replacement Parts List ------------------- 93