Repair Flow Chart - Philips 190S8FS/00 Service Manual

HUDSON 8
46

11. Repair Flow Chart

11.1 Main Board
(1). No Power
Please reinsert and make sure
the AC of 100-240 is normal
No power
Press power key and look
if the picture is normal
NG
OK
Measure U301 PIN2=3.3V
Measure U304 PIN2=1.8V
OK
X201 oscillate waveforms
are normal
OK
Replace U203
NG
Reinsert or check the
Adapter/Inverter
section
NG
Replace D301, U301 or
U304
NG
Replace X201