LG 22LD310 Service Manual page 31

TROUBLE SHOOTING GUIDE
No Raster on COMPONENT Signal N COM ON N Si
Pass
Check Input source
Cable And Jack
Pass
Check The Input/Output
Of JK101
Pass
Check the Input/Output
Of IC604
Repeat [A], & [B] Process
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
l
Re-soldering or
Change the defect part
Fail
Re-soldering or
Change the defect part
Fail
No Raster on HDMI Signal No Raster on HDMI Signal
Pass
Check Input source
C bl A d J Cable And Jack k
Pass
Check the Input/Output p p
Of JK301
Pass Pass
Ch Check the Input/Output k th I t/O t t
Of IC301
Pass
Check the Input/Output
Of 602
Pass
Check the Input/Output
Of IC604
Pass
Repeat [A], & [B] Process
Re-soldering or
Change the defect part
Fail
Re-soldering or Re-soldering or
Change the defect part
Fail Fail
Re-soldering or
Change the defect part
Fail
Check HDMI EDID Data
Re-download HDCP
Re-soldering or
Change the defect part
Fail
LGE Internal Use Only