JVC LT-19D200 Service Manual page 24

[ Video Signal Section ]
FLOW CHART NO.1
The key operation is not functioning.
Replace Digital Main PWB Unit.
FLOW CHART NO.2
No operation is possible from the remote control unit.
Replace Digital Main PWB Unit.
FLOW CHART NO.3
Picture does not appear normally.(Video input)
Replace Digital Main PWB Unit or LCD Module
Assembly.
1-24 (No.YA711<Rev.002>)
Yes
Yes
Yes
Yes
Yes
Yes
No
Re-install the switches (SW104~SW109,
SW951~SW953) correctly or replace the poor switch.
No
Check the switches (SW104~SW109,
SW951~SW953) 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(RS101)
or the remote control unit.
No
Check the line between Pin(1) terminal of remote
control receiver(RS101) and Pin(25) of CN301,
and service it if defective.
No