Panasonic SCXH70 Service Manual page 2

6.2. Service Mode Table-------------------------------------- 19
6.3. Self-Diagnosis Mode ------------------------------------ 25
6.4. DVD Self Diagnostic Function-Error Code--------- 26
6.5. Sales Demonstration Lock Function ---------------- 29
6.6. Firmware Version-Up Information -------------------- 30
7 Troubleshooting Guide---------------------------------------- 33
7.1. Troubleshooting Guide for F61 and/or F76 -------- 33
7.2. Basic Troubleshooting Guide for Traverse
Unit (DVD Module P.C.B.)------------------------------ 37
7.3. Basic Troubleshooting Guide for HDMI AV
output-------------------------------------------------------- 38
8 Disassembly and Assembly Instructions --------------- 40
8.1. Disassembly Flow Chart-------------------------------- 41
8.2. Main Components and P.C.B. Locations ----------- 42
8.3. Disassembly of Top Cabinet--------------------------- 43
8.4. Disassembly of Component Video P.C.B.---------- 43
8.5. Disassembly of Voltage Selector P.C.B.------------ 44
8.6. Disassembly of Rear Panel---------------------------- 45
8.7. Disassembly of
(DLS6E) ---------------------------------------------------- 45
8.8. Disassembly of DVD Module P.C.B.----------------- 47
8.9. Disassembly of SMPS P.C.B. ------------------------- 48
8.10. Replacement of Switching Regulator IC
(IC5701) ---------------------------------------------------- 49
8.11. Replacement of Diode (D5802) ---------------------- 50
8.12. Disassembly of Main/D-Amp P.C.B. ----------------- 51
8.13. Replacement of Digital Amplifier IC (IC403/
IC404/IC405) ---------------------------------------------- 52
8.14. Disassembly of Front Panel Assembly ------------- 54
8.15. Disassembly of FL P.C.B. ------------------------------ 55
8.16. Disassembly of Volume Button P.C.B. -------------- 56
8.17. Disassembly of Power Button P.C.B.---------------- 57
8.18. Replacement of DVD Lid Assembly ----------------- 58
9 Assembling and Disassembling of Traverse Unit---- 61
9.1. Disassembly of Traverse Unit------------------------- 61
9.2. Assembly of Traverse Unit----------------------------- 62
10 Service Position ------------------------------------------------- 63
10.1. Checking & Repairing Main/D-Amp P.C.B. &
Component Video P.C.B.------------------------------- 63
10.2. Checking & Repairing of SMPS P.C.B. ------------- 63
10.3. Checking & Repairing of FL P.C.B. ------------------ 64
10.4. Checking & Repairing of DVD Module P.C.B.----- 65
11 Voltage & Waveform Chart ----------------------------------- 67
11.1. DVD Module P.C.B. (1/4)------------------------------- 67
11.2. DVD Module P.C.B. (2/4)------------------------------- 68
11.3. DVD Module P.C.B. (3/4)------------------------------- 69
11.4. DVD Module P.C.B. (4/4)------------------------------- 70
11.5. Main P.C.B. (1/3) ----------------------------------------- 71
11.6. Main P.C.B. (2/3) ----------------------------------------- 72
11.7. Main P.C.B. (3/3) ----------------------------------------- 73
11.8. FL P.C.B. --------------------------------------------------- 74
11.9. SMPS P.C.B. ---------------------------------------------- 74
11.10. Component Video P.C.B.------------------------------- 75
11.11. Waveform Table (1/3) ----------------------------------- 76
11.12. Waveform Table (2/3) ----------------------------------- 77
11.13. Waveform Table (3/3) ----------------------------------- 78
12 Illustration of ICs, Transistor and Diode ---------------- 79
13 Overall Simplified Block Diagram ------------------------- 81
14 Block Diagram --------------------------------------------------- 82
14.1. DVD(Servo)------------------------------------------------ 82
14.2. DVD(Audio/Video) --------------------------------------- 83
DVD Mechanism Unit
14.3. DVD(UP-CON) ------------------------------------------- 84
14.4. System Control ------------------------------------------- 85
14.5. Analog Audio---------------------------------------------- 86
14.6. Digital Audio----------------------------------------------- 87
14.7. Analog Video---------------------------------------------- 88
14.8. Power Supply --------------------------------------------- 89
15 Wiring Connection Diagram -------------------------------- 91
16 Schematic Diagram Notes ----------------------------------- 93
17 Schematic Diagram -------------------------------------------- 95
17.1. DVD Module Circuit ------------------------------------- 95
17.2. Main/D-Amp Circuit ------------------------------------ 100
17.3. FL, Volume Button & Power Button Circuit------- 106
17.4. Component Video Circuit ----------------------------- 107
17.5. SMPS Circuit--------------------------------------------- 108
17.6. Voltage Selector Circuit ------------------------------- 110
18 Printed Circuit Board----------------------------------------- 111
18.1. DVD Module P.C.B. ------------------------------------ 111
18.2. Main/D-Amp P.C.B.------------------------------------- 112
18.3. FL, Volume
Component Video P.C.B. ----------------------------- 114
18.4. SMPS & Voltage Selector P.C.B. ------------------- 115
19 Terminal Function of ICs ------------------------------------ 117
19.1. IC200
MICROPROCESSOR --------------------------------- 117
19.2. IC901(C0HBB0000057): IC FL Driver ------------- 117
20 Exploded View and Replacement Parts List---------- 119
20.1. Exploded View and Mechanical Replacement
Part List --------------------------------------------------- 119
20.2. Electrical Replacement Part List -------------------- 122
2
Button, Power Button
(RFKWMPT75PHK):
&
IC