DOWNLOAD LG 42PG20-UA (CHASSIS:PU84A) Service Manual ↓ Size: 11.75 MB | Pages: 49 in PDF or view online for FREE

Model
42PG20-UA (CHASSIS:PU84A)
Pages
49
Size
11.75 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pg20-ua-chassis-pu84a.pdf
Date
PREV: LG 42PG20R-TA (CHASSIS:PP81A) Service Manual

LG 42PG20-UA (CHASSIS:PU84A) Service Manual ▷ View online

- 21 -
TROUBLE SHOOTING GUIDE
- 22 -
TROUBLE SHOOTING GUIDE
Component Video Trouble Shooting
Check signal format
Is it supported?
Check signal
C833, C834, C835, C838, C839, C840
Replace it.
Check signal IC601 output
R631, R632, R633
Y
Y
N
Check JK602 / JK603
Replace connector
Y
N
Y
Replace it
N
Maybe Mstar(IC100) has problems
Y
Check Component Cable
- 23 -
TROUBLE SHOOTING GUIDE
- 24 -
TROUBLE SHOOTING GUIDE
RGB Video Trouble Shooting
Check signal format
Is it supported?
Check signal, Hsync, Vsync
R673, R674
Replace it.
Check signal
R678, R679, R680
Y
Y
N
Check JK607
Replace connector
Y
N
Y
Replace it.
N
Maybe Mstar(IC100) has problems
Y
Check Signal
C116, C124, C126
Replace it
N
Check RGB Cable
Y
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