Electrical Troubleshooting Guide; Power On - LG LST-3410A Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE

1. POWER ON

VFD Power Icon
Display
Icon On
Yes
Power Switch On
or
Remocon Power on
Power
Icon off
ìHELLOî
display
Yes
Resolution/,Display Port
/Channel
VFD On
Yes
Display
OK
Yes
Audio
OK
Yes
Normal TV
Function OK
No
Power Code
Connection check
Front
No
Signal Cable
Connection
OK
Yes
Front
Power Cable
Connection
OK
Display
No
Cable
Connection
OK
Yes
Display Port
Selection
OK
Resolution
Selection
OK
Audio Cable
No
Connection
OK
Yes
Audio Port
Selection
OK
No
Remocon
battery
OK
No
Front signal cable
connect
No
Front power cable
connect
No
Display Cable
Connect
No
Proper display port
select
No
Proper display port
select
No
Audio Cable
Connect
No
Proper audio port
Connect
3-30
Antenna
connection OK