LG Multiplex 72 - Page 15

3-11
NO Raster : No Monitor on
Check AC Power
at P801
Is the voltage at D824
(B+)?
Check
RL701(Relay)
Check the power
CTL of IC01 Pin27
Check Waveform
of P821 Pin9(H-out)
Check Q401
collector waveform
Check T402
& voltage
Check &replace
IC501
Check &replace
Q401
Check the in/ out
of IC801
Check the
D801
Check / replace
RL701
OK NO
OK
OK
Yes
No
No
No
No
OK
Open
Go to No Power
Block
No