LG FLATRON L2320A Service Manual page 16

Power S/W off and on after
remove the Input signal
cable
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO RASTER ON DTV SIGNAL
Repeat
'A' Process
Pass
Check
Digital Switch for DTV
(Main B'd : U7,U15)
Pass
Check
Input Signal Connection
(Y/Pb/Pr?)
Not support 480i
Pass
Check
U14(AD9883)
*In/Out H/V Sync
*Output Data
Pass
- 16 -
Resoldering
Fail
Or Replace
Device
*Check the Power
Fail
(3.3V-DTV)
*Replace Device
LGE Internal Use Only