8-2
FL10.2TR
Check Q207, Q208, D205, P-ON-H1 line and their
periphery circuit, and service it if defective.
LCD+24V is not output.
FLOW CHART NO.6
Is approxi30V voltage supplied to the collector
of Q210?
No
Yes
See FLOW CHART No.5 <INV+35V is not output.>
Replace Q209.
Is approxi14V voltage supplied to the
base of Q209?
Yes
No
Check Q207, Q208, D203, D204, D211 and their
periphery circuit, and service it if defective.
No
LCD+13V is not output.
FLOW CHART NO.7
Is approxi15V voltage supplied to the
collector of Q209?
Yes
FLOW CHART NO.8
Check C631, D631, D635 and their periphery circuit,
and service it if defective.
P-ON+7V is not output.
FLOW CHART NO.9
Is approxi7V voltage supplied to the
collector of D646?
Check C644, D646 and their periphery circuit,
and service it if defective.
Yes
No
Check if there is any leak or short-circuit on
the loaded circuit, and service it if defective.
See FLOW CHART No.8 <P-ON+7V is not output.>
P-ON+5V is not output. (LCD+13V is outputted normally.)
Is approxi7V voltage supplied to the
collector of Q641?
Is approxi6V voltage supplied to the
base of Q641?
No
Yes
Yes
Check D645 and their periphery circuit, and service
it if defective.
No
Replace Q641.
Summary of Contents for Emerson LC260EM1
Page 41: ...10 4 FL10 2SCM2 Power Supply 2 Schematic Diagram...
Page 42: ...10 5 FL10 2SCM3 Power Supply 3 Jack Schematic Diagram...
Page 43: ...10 6 FL10 2SCM4 Power Supply 4 Schematic Diagram...
Page 44: ...10 7 FL10 2SCINV Inverter Junction B Schematic Diagram...
Page 45: ...10 8 FL10 2SCF Function Junction A Schematic Diagram...
