Troubleshooting - Philips 52PFL3704D/F7 Service Manual

Chassis pl9.0
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FLOW CHART NO.1
No work (LED is off)
Check if power switch is normal.
IS 3.3V voltage supplied to Pin(1) of 1101 on the
SSB?
FLOW CHART NO.2
No raster (picture too dim)
FLOW CHART NO.3
No picture
7116
Pin(1,14)
12V
7116
Pin(12)
1.2V
7117
Pin(1,14)
12V
7117
Pin(12)
3.3V

TROUBLESHOOTING

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Replace Power switch.
No
Check Module IR.
No
Replace Power Supply Module.
No
Replace Power Supply Module.
No
Replace Power Supply Module.
Check the circuit around each regulator and
No
eliminate short and open situation.
No
Replace 1C04.
No
Try to replace Flash Rom.
No
Replace bad line filter.
8-1
PL9.0TR

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