Panasonic SA-PM250EB Service Manual page 2

6.3. Doctor Mode Table 1 ------------------------------------ 16
6.4. Doctor Mode Table 2 ------------------------------------ 17
7 Troubleshooting Guide---------------------------------------- 19
8 Disassembly and Assembly Instructions --------------- 21
8.1. Service Fixture & Tools --------------------------------- 21
8.2. Disassembly flow chart --------------------------------- 21
8.3. Type of screws -------------------------------------------- 22
8.4. Main Parts Location Diagram ------------------------- 22
8.5. Disassembly of Top Cabinet Assembly------------- 23
8.6. Disassembly of Bluetooth P.C.B. --------------------- 24
8.7. Disassembly of Tuner P.C.B. -------------------------- 25
8.8. Disassembly of SMPS Unit ---------------------------- 25
8.9. Disassembly of SMPS P.C.B. ------------------------- 26
8.10. Disassembly of Front Panel Assembly ------------- 27
8.11. Disassembly of Button P.C.B., Volume P.C.B.
and Panel P.C.B. ----------------------------------------- 28
8.12. Disassembly of CD Lid---------------------------------- 30
8.13. Disassembly of Main P.C.B. --------------------------- 31
8.14. Disassembly of CD Mechanism Unit ---------------- 32
8.15. Disassembly of CD Interface P.C.B.----------------- 32
9 Disassembly and Assembly of Traverse Unit --------- 33
9.1. Disassembling Procedures ---------------------------- 33
9.2. Assembling Procedures -------------------------------- 34
10 Service Position ------------------------------------------------- 36
10.1. Checking of SMPS P.C.B.------------------------------ 36
10.2. Checking of Panel P.C.B. ------------------------------ 36
10.3. Checking of CD Interface P.C.B. --------------------- 37
10.4. Checking of Main P.C.B. (Side A) -------------------- 38
10.5. Checking of Main P.C.B. (Side B) -------------------- 39
11 Block Diagram --------------------------------------------------- 41
11.1. SYSTEM CONTROL & AUDIO BLOCK
DIAGRAM -------------------------------------------------- 41
11.2. POWER SUPPLY BLOCK DIAGRAM -------------- 42
12 Wiring Connection Diagram --------------------------------- 43
13 Schematic Diagram--------------------------------------------- 45
13.1. Schematic Diagram Notes ----------------------------- 45
13.2. CD INTERFACE & MAIN (MICON) CIRCUIT
(1/2)---------------------------------------------------------- 47
13.3. MAIN (MICON) CIRCUIT (2/2)------------------------ 48
13.4. MAIN (SUPPLY) CIRCUIT ----------------------------- 49
13.5. MAIN (DAMP) CIRCUIT -------------------------------- 50
13.6. MAIN (CD MOTOR DRIVER) CIRCUIT ------------ 51
13.7. MAIN (USB) & TUNER CIRCUIT -------------------- 52
13.8. PANEL, VOLUME & BUTTON CIRCUIT ----------- 53
13.9. SMPS CIRCUIT ------------------------------------------ 54
14 Printed Circuit Board ------------------------------------------ 55
14.1. CD INTERFACE & TUNER P.C.B.------------------- 55
14.2. MAIN P.C.B. (Side A)------------------------------------ 56
14.3. MAIN P.C.B. (Side B)------------------------------------ 57
14.4. PANEL, VOLUME & BUTTON P.C.B.--------------- 58
14.5. SMPS P.C.B. ---------------------------------------------- 59
15 Voltage and Waveform Measurement -------------------- 61
15.1. Voltage Measurement----------------------------------- 61
15.2. Waveform Chart ------------------------------------------ 64
16 Exploded View and Replacement Parts List ----------- 65
16.1. Cabinet Parts Location---------------------------------- 65
16.2. Packaging -------------------------------------------------- 66
16.3. Mechanical Replacement Parts List ----------------- 67
16.4. Electrical Replacement Parts List -------------------- 69
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