2. MICOM PART CHECK II
MICOM part check
II
Check the working condition
X101: 32.768kHz
X100: 9.8304MHz
Check
Q101 EMITTER 5V
and COLLECTOR
5V
Check Q102
BASE PIN 0.6V
HIGH
Check IC103 8PIN IC100
19, 20, 59PIN 5V
NO
NO
YES
YES
Check P7904
5PIN 5.6V
NO
Refer to SMPS
Troubleshooting
YES
YES
YES
OK
YES
Check power of
both terminals of D101
1SR35
YES
YES
Check the
related part
NO
Check D101 1SR35
output is working on 5V
YES
YES
YES
YES
Check the
related part.
Check Q102 COLLECTOR
OK
Check output power
of IC101 KIA7042 is
over 4.3V.
OK
NO
Replace the
related parts
NO
Replace the
related parts
YES
Check the
related part.
OK
NO
Replace the
related parts
3-2
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 ...