
3-1
ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART
SECTION 3 ELECTRICAL
1. MICOM PART CHECK I
MICOM part check
I
OK
OK
YES
YES
YES
Check P7904
6PIN P-SENS
NO
Refer to SMPS
Troubleshooting
YES
YES
Check
power of both
terminals of IC101
KIA7042
Check
if IC101 KIA7042
input is over 5V.
YES
NO
Check
the related part of
IC101 KIA7042
NO
YES
Check if output voltage
of IC101 KIA7042 is 4.3V
Check IC100 78KO/KF2
1PIN power
NO
Replace the
related parts
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 ...