Flow Chart No - FUNAI LC320SLX Service Manual

[ Video Signal Section ]
FLOW CHART NO.1 [LC320SLX, 32MF339B/F7, LC320SSX, LC320EMXF, LC321SSX, 32MF369B/F7]
The key operation is not functioning.
Yes
Yes
Replace Digital Main CBA Unit.
FLOW CHART NO.1 [LC320EMX]
The key operation is not functioning.
Yes
Yes
Replace Digital Main CBA Unit.

FLOW CHART NO.2

No operation is possible from the remote control unit.
Yes
Yes
Yes
Replace Digital Main CBA Unit.
FLOW CHART NO.3
Picture does not appear normally.(Video input)
Replace Digital Main CBA Unit or LCD Module
Assembly.
Yes
No
Re-install the switches (SW101A, SW103A~SW107A)
correctly or replace the poor switch.
No
Check the switches (SW101A, SW103A~SW107A)
and their periphery, and service it if defective.
No
Re-install the switches (SW101B, SW103B~SW107B)
correctly or replace the poor switch.
No
Check the switches (SW101B, SW103B~SW107B)
and their periphery, and service it if defective.
No
Check AL+3.3V line and service it if defective.
No
Replace the remote control receiver(RS102)
or the remote control unit.
No
Check the line between Pin(1) terminal of remote
control receiver(RS102) and Pin(25) of CN301,
and service it if defective.
No
8-8 A91F3TR