
3-5
PWM modulation part
YES
YES
YES
Replace the related part
Check the
related part of X601
NO
NO
YES
OK
Replace the related part
Check R668(470
Ω
)
output
NO
YES
OK
Replace the related part
YES
OK
Check resistance
output of each LINE
Check IC604
PS9829 DATA input
NO
YES
Refer to SMPS
Troubleshooting
5. PWM MODULATION PART
YES
YES
Check P7905
9PIN 3.3V
NO
NO
YES
Check if
X601 12.288MHz is
working.
YES
YES
YES
OK
Check IC604 PS9829 part.
OK
NO
Check
output of IC100
78KOKF2
21-->PWM_CLK
22-->PWM_DATA
43-->PWM_REST
NO
Check
resistance
output of LINE DATA:
R623 CLK: R624
RST: R619
Refer to DVD
Troubleshooting
NO
NO
Check
IC604
PS9829 DATA input
78 PIN-->DATA
79 PIN-->CLK
96 PIN-->REST
Check PWM
MODULATOR
output FL:75(+)74(-)
FR:71(+)70(-)
NO
Check
DVD ASS`Y PS9829
communication condition
(DVD INTERFACE)
Check IC604
PS9829 86PIN
CLK input
Check IC604 PS9829 VDD PIN
power (3,10,22,29,39,47,56,65,
72,87,94) Check X601 2PIN 3.3V
ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART
Summary of Contents for MBD-D102X
Page 7: ...1 6 MEMO ...
Page 10: ...2 5 3 SPEAKER SECTION MBS D102V 750 751 752 754 755 757 A70A 758 A70 757A 759 756 753 ...
Page 35: ...3 24 4 FOCUS WAVEFORM 1 FDO 2 F 3 F INSERT CD INSERT DVD 1 FDO 2 F 3 F ...
Page 37: ...3 26 7 TRACKING SIGNAL 1 Tro 2 Tr 3 Tr 8 RF WAVEFORM ...
Page 38: ...3 27 9 DISK TYPE JUGEMENT WAVEFORM 1 F 2 FDO 3 SVRRF DVD CD ...
Page 50: ...3 39 7 MC4580 7 1 PIN CONFIGURATION 7 2 TEST CIRCUIT 7 3 ABSOLUTE MAXIMUM RATINGS TA 25 ...
Page 60: ...3 49 3 50 WIRING DIAGRAM ...
Page 62: ...3 53 3 54 2 MAIN FRONT BLOCK DIAGRAM ...
Page 64: ...3 57 3 58 2 MAIN INTERFACE PWM SCHEMATIC DIAGRAM ...
Page 65: ...3 59 3 60 3 MPEG SCHEMATIC DIAGRAM ...
Page 66: ...3 61 3 62 4 SERVO SCHEMATIC DIAGRAM ...
Page 67: ...3 63 3 64 5 INTERFACE SCHEMATIC DIAGRAM ...
Page 68: ...3 65 3 66 6 FRONT SCHEMATIC DIAGRAM ...
Page 69: ...3 67 3 68 7 FRONT MIC SCHEMATIC DIAGRAM ...
Page 70: ...3 69 3 70 8 IPOD 1 SCHEMATIC DIAGRAM OPTION ...
Page 71: ...3 71 3 72 9 IPOD 2 SCHEMATIC DIAGRAM OPTION ...
Page 72: ...3 73 3 74 10 2 CHANNEL AMP SCHEMATIC DIAGRAM ...
Page 73: ...3 75 3 76 11 BLUTHOOTH MODULE SCHEMATIC DIAGRAM OPTION ...
Page 75: ...3 79 3 80 1 MAIN P C BOARD TOP VIEW PRINTED CIRCUIT BOARD DIAGRAMS ...
Page 76: ...3 81 3 82 MAIN P C BOARD BOTTOM VIEW ...
Page 77: ...3 83 3 84 2 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
Page 78: ...3 85 3 86 3 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...