Panasonic SA-PM250EB - Page 2

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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