7. Trouble Shooting
- Power Related Troubles
There is NO POWER (Front Panel LED OFF)
Connect Connector
Check the
Connectors
Related to Power
Check Standby
Voltage.
Check Chassis
(VCB4430) Connector.
J701 PIN(1) 5V check
Replace CHASSIS(VCB3000)
Check Power ref.
Voltage:
Check Power CN401
in(1)~(2)
Check
Chassis(VCB3000)
U706(LT1117).
Check Standby
Voltage.
Pass
Fail
Fail
Fail
Fail
Pass
The Power of
SUB POWER
(master SW)
BOARD is OK?
Replace SUB POWER BOARD
Fail
Pass
Replace Power Board
Pass
Press POWER ON S/W
Summary of Contents for AV32OPD
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Page 23: ...8 Block Diagarm ...
Page 24: ...9 Circuit Diagram ...
Page 25: ... Main board ...
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Page 32: ... POWER BOARD SMPS ...
Page 38: ... Power Board SMPS ...
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Page 41: ...11 Assembly Diagram ...
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