Troubleshooting - Philips 42PFL5704D/F7 Service Manual

FLOW CHART NO.1
No work (LED is off)
Check if power switch is normal.
IS 3.3V voltage supplied to Pin(1) of 1M95 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 1E07.
No
Try to replace Flash Rom.
No
Replace bad line filter.
8-1 A9PH1TR