Philips 190S7 Service Manual page 45

19" LCD Color Monitor
Power/Inverter Board
No power
Adapter Board
Check CN951 pin 6/7 = 12V?
Check AC line volt 100-240V
Check the voltage of C907 (+)
Check start voltage for the pin 8 of IC901
Check the auxiliary voltage is bigger than
10V and smaller than 20V
Check D931, D935, IC902, IC941, ZD975
NG
NG
OK
NG
OK
NG
OK
NG
OK
Check AC input
Check bridge rectified circuit and F901 circuit
Check R907 and IC901
Check IC901, D926, T901
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190S7