Atec AV32OPD - Screen Related Troubles

- Screen Related Troubles
There is NO IMAGE.
Connect Connector.
Check the
connectors Related
to Power and
Check Standby
Voltage.
Check Chassis(VCB4430)
Connector.
J701 PIN(1)
Check Power ref.
Voltage:
Check Power CN401
Check Standby
Voltage
Check Chassis(VCB4430)
U706(LT1117)
PIN
(
2
)
33
V check
Fail
Fail
Replace Power Board
Fail
Pass
CHASSIS(VCB4430)
The Power of
SUB POWER
BOARD is OK?
Replace SUB POWER BOARD.
Fail
Pass
Pass
Pass
Fail