
3-18
Put disc in tray.
Laser off
Check the laser power circuit
between ES8380 and power
transistor. (Q405, Q406)
Laser
turns on when
reading disc?
DVDLD
or CDLD output
properly?
NO
NO
NO
YES
Check the related circuit of
laser power transistor.
Collector
voltage of power
transistor is OK?
(Q405, Q406)
NO
YES
YES
YES
B
C
Check cable connection
between P400 and
pick-up head.
Check the SPINDLE related
circuit on ES8380
Does SPINDLE
rotate?
Proper
SPINDLE signal
on ES8380.
NO
Check the SPINDLE control
of motor driver.
SPIN+ &
SPIN- output
properly?
NO
NO
YES
YES
YES
Check the cable
connection between
P400 and MD
ELECTRICAL TROUBLESHOOTING GUIDE OF DVD PART
Содержание MBD-D102X
Страница 7: ...1 6 MEMO ...
Страница 10: ...2 5 3 SPEAKER SECTION MBS D102V 750 751 752 754 755 757 A70A 758 A70 757A 759 756 753 ...
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 ...
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 TOP VIEW BOTTOM VIEW ...
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 ...