SA-PM02EB, SA-PM02EG, SA-PM02EP, SC-PM02EP (serv.man2) - Panasonic Audio Service Manual (repair manual). Page 2

2

6.2. Self-diagnostic Function Error Code ---------------- 16
6.3. Entering into Doctor Mode ----------------------------- 17
6.4. Sales Demonstration Lock Function Mode -------- 24

7 Service Fixture & Tools --------------------------------------- 25
8 Disassembly and Assembly Instructions--------------- 26

8.1. Disassembly flow chart --------------------------------- 27
8.2. Main Parts Location Diagram ------------------------- 28
8.3. Disassembly of Top Cabinet Assembly------------- 29
8.4. Disassembly of Tuner P.C.B.-------------------------- 31
8.5. Disassembly of SMPS Unit ---------------------------- 32
8.6. Disassembly of SMPS P.C.B. ------------------------- 33
8.7. Replacement of Power Amp IC (IC702)------------ 34
8.8. Replacement of Transistor  (Q512)------------------ 35
8.9. Disassembly of Front Panel Assembly ------------- 37

8.10. Disassembly of Bass Button P.C.B., Function

Button P.C.B. and Panel P.C.B.----------------------- 38

8.11. Replacement of CD Lid--------------------------------- 41

8.12. Disassembly of Main P.C.B. --------------------------- 42
8.13. Disassembly of CD Mechanism Unit (DLS6C) --- 43
8.14. Disassembly of CD Servo P.C.B.--------------------- 44

9 Disassembly and Assembly of Traverse Unit --------- 45

9.1. Disassembling Procedures ---------------------------- 45
9.2. Assembling Procedures -------------------------------- 46

10 Service Position ------------------------------------------------- 48

10.1. Checking and Repairing of SMPS P.C.B. (B

Side) --------------------------------------------------------- 48

10.2. Checking and Repairing of Panel P.C.B. ----------- 48
10.3. Checking and Repairing of Main P.C.B. (A

Side) --------------------------------------------------------- 49

10.4. Checking and Repairing of Main P.C.B. (B

Side) --------------------------------------------------------- 50

10.5. Checking and Repairing of CD Servo P.C.B.------ 51

11 Voltage Measurement & Waveform Chart--------------- 52

11.1. CD SERVO P.C.B. --------------------------------------- 52
11.2. MAIN P.C.B. (1/3) ---------------------------------------- 53
11.3. MAIN P.C.B. (2/3) ---------------------------------------- 54
11.4. MAIN P.C.B. (3/3) ---------------------------------------- 55
11.5. PANEL P.C.B. --------------------------------------------- 55
11.6. TUNER P.C.B. -------------------------------------------- 55
11.7. SMPS P.C.B. ---------------------------------------------- 56
11.8. Waveform Chart ------------------------------------------ 57

12 Illustration of IC’s, Transistors and Diodes ------------ 58
13 Overall Simplified Block -------------------------------------- 59

13.1. Control Signal Diagram--------------------------------- 59
13.2. Block Connection Diagram ---------------------------- 60

14 Block Diagram --------------------------------------------------- 61

14.1. SERVO/SYSTEM CONTROL BLOCK

DIAGRAM -------------------------------------------------- 61

14.2. AUDIO BLOCK DIAGRAM ---------------------------- 62
14.3. POWER SUPPLY BLOCK DIAGRAM -------------- 63

15 Wiring Connection Diagram --------------------------------- 64
16 Schematic Diagram Notes ----------------------------------- 65
17 Schematic Diagram--------------------------------------------- 67

17.1. CD SERVO CIRCUIT ----------------------------------- 67
17.2. MAIN (MICON) CIRCUIT (1/4)------------------------ 68
17.3. MAIN (MICON) CIRCUIT (2/4)------------------------ 69
17.4. MAIN (MICON) CIRCUIT (3/4)------------------------ 70
17.5. MAIN (MICON) CIRCUIT (4/4)------------------------ 71
17.6. MAIN (USB) CIRCUIT ---------------------------------- 72
17.7. PANEL CIRCUIT, FUNCTION BUTTON

CIRCUIT, BASS BUTTON CIRCUIT ---------------- 73

17.8. TUNER CIRCUIT ---------------------------------------- 74
17.9. SMPS CIRCUIT ------------------------------------------ 75

18 Printed Circuit Board------------------------------------------ 77

18.1. CD SERVO P.C.B.--------------------------------------- 77
18.2. MAIN P.C.B. / TUNER P.C.B.------------------------- 78
18.3. PANEL P.C.B. / FUNCTION BUTTON P.C.B. /

BASS BUTTON P.C.B. / SMPS P.C.B.  ------------ 79

19 Terminal Function of IC’s ------------------------------------ 81

19.1. IC7001 (MN6627954AMA) IC SERVO

PROCESSOR -------------------------------------------- 81

19.2. IC7002 (BA5948FPE2) IC 4CH Drive -------------- 82
19.3. IC801 (RFKWMPM02EB) MICRO

PROCESSOR -------------------------------------------- 82

20 Exploded View and Replacement Parts List----------- 85

20.1. Exploded View and Mechanical Replacement

Parts List --------------------------------------------------- 85

20.2. Electrical Replacement Parts List ------------------- 89