Daewoo L500B Service Manual page 17

TROUBLESHOOTING HINTS
2. Trouble in Power on
Trouble in power on.
Power LED.
OFF
Check output
voltage of adapter.
YES
Is the 5VS line
normal?
YES
Is the pulse of pin9
of the IC1?
YES
Trouble in IC2 or its
ambient circuit.
ON
Refer to No video
or No raster.
NO
Trouble in adapter.
NO
Trouble in SQ8 and its
ambient circuit.
NO
Trouble in Q7 or its
ambient circuit.
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