Philips 191EW9FB/00 - Repair Flow Chart

HUDSON 9
36
36
11. Repair Flow Chart
11.1 Main Board
(1). No Power
No power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Reinsert or check the
Adapter/Inverter section
X401 oscillate waveforms
are normal
Check C426 and C428
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG
Measure U404 PIN2=3.3V