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
Содержание MBD-K62Q
Страница 7: ...1 6 MEMO ...
Страница 35: ...3 24 4 FOCUS WAVEFORM 1 FDO 2 F 3 F INSERT CD INSERT DVD 1 FDO 2 F 3 F ...
Страница 37: ...3 26 7 TRACKING SIGNAL 1 Tro 2 Tr 3 Tr 8 RF WAVEFORM ...
Страница 38: ...3 27 9 DISK TYPE JUGEMENT WAVEFORM 1 F 2 FDO 3 SVRRF DVD CD ...
Страница 50: ...3 39 7 MC4580 7 1 PIN CONFIGURATION 7 2 TEST CIRCUIT 7 3 ABSOLUTE MAXIMUM RATINGS TA 25 C ...
Страница 60: ...3 49 3 50 WIRING DIAGRAM ...
Страница 62: ...3 53 3 54 2 MAIN FRONT BLOCK DIAGRAM ...
Страница 64: ...3 57 3 58 2 MAIN INTERFACE PWM SCHEMATIC DIAGRAM ...
Страница 65: ...3 59 3 60 3 MPEG SCHEMATIC DIAGRAM ...
Страница 66: ...3 61 3 62 4 SERVO SCHEMATIC DIAGRAM ...
Страница 67: ...3 63 3 64 5 INTERFACE SCHEMATIC DIAGRAM ...
Страница 68: ...3 65 3 66 6 FRONT SCHEMATIC DIAGRAM ...
Страница 69: ...3 67 3 68 7 FRONT MIC SCHEMATIC DIAGRAM ...
Страница 70: ...3 69 3 70 8 IPOD 1 SCHEMATIC DIAGRAM OPTION ...
Страница 71: ...3 71 3 72 9 IPOD 2 SCHEMATIC DIAGRAM OPTION ...
Страница 72: ...3 73 3 74 10 2 CHANNEL AMP SCHEMATIC DIAGRAM ...
Страница 73: ...3 75 3 76 11 BLUTHOOTH MODULE SCHEMATIC DIAGRAM OPTION ...
Страница 75: ...3 79 3 80 1 MAIN P C BOARD TOP VIEW PRINTED CIRCUIT BOARD DIAGRAMS ...
Страница 76: ...3 81 3 82 MAIN P C BOARD BOTTOM VIEW ...
Страница 77: ...3 83 3 84 2 FRONT P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 78: ...3 85 3 86 3 SMPS P C BOARD ...
Страница 79: ...3 87 3 88 MEMO 4 MIC JACK P C BOARD TOP VIEW BOTTOM VIEW 5 IPOD P C BOARD OPTION TOP VIEW BOTTOM VIEW ...