Philips 190P7 Service Manual page 52

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19" LCD Color Monitor
(3). White screen
Check Correspondent
component.
(4). Keypad Board
White screen
Measure Q502 base
is high level?
OK
Check Q502, Q501 is broken
or CN406 solder?
NG
OK
Replace Panel
NG
X301 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
NG
OK
Replace U301
52
NG
Replace X301
Check Correspondent
component.
190P7
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