Read Sony DVP-FX705 Service Manual online
9-1
SECTION 9
TROUBLESHOOTING
DVP-FX705
9-1. ELECTRICAL TROUBLE SHOOTING GUIDE
1. Power (DC-DC Converter) Circuit
A.
A.
NO POWER ON
by ADAPTOR
by ADAPTOR
NO POWER ON
by BATTERY
by BATTERY
Is ADAPTOR
OUT 9.8V?
OUT 9.8V?
Is BATT ERY
OK?
Is F101 OK?
Is LF101 OK?
Replace F101
YES
Is D105 OK?
Replace D105
Replace ADAPTOR
NO +1.8V
Is Q102 OK?
NO -5V
NO + 5V
NO +3.3V
NO LCD POWER
Replace
Q102
Is E+5V OK?
Replace
IC101
Replace IC101
Is Q108 OK?
Is Q109 OK?
Replace
Q109
Replace
Q108
Replace IC102
Is D104 OK?
Replace D104
Replace BATTERY
Replace LF101
NO
NO
YES
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