No Osd( Or Picture) Problem - LG 50PK760N-ZC Service Manual

Input
PDP TV
Block
Check LED blanking
When press a key on R/C
Y
Check Vs,Va, 5V,17V
on Power Board
Y
Check DISP_EN(R253)
Y
Check LVDS Cable damage
or open connectors.
Y
Check LVDS DATA
Y
Check Module condition

No OSD( or Picture) Problem

N
Follow Power-Up Boot Fail
N
Replace Power Board
N
Check R27 and MICOM
N
Replace Cable
N
Change BCM(IC100)
Making 2010. 2 . 22
Revision
ⓒ LG Electronics. Inc.2009
전자 - 6-2
13/15