Philips 190P7 Service Manual page 53

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19" LCD Color Monitor
9.2.2 Power/Inverter Board
No power
Adapter Board
Check CN951 pin 6/7 = 12V?
NG
Check AC line volt 100-240V
OK
Check the voltage of C907 (+)
OK
Check start voltage for the pin 8 of IC901
OK
Check the auxiliary voltage is bigger than
10V and smaller than 20V
OK
Check D931, D935, IC902, IC941, ZD975
NG
Check AC input
NG
Check bridge rectified circuit and F901 circuit
NG
Check R907 and IC901
NG
Check IC901, D926, T901
53
190P7
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