DOWNLOAD LG 42LH35FD (CHASSIS:LJ91A) Service Manual ↓ Size: 4.82 MB | Pages: 53 in PDF or view online for FREE

Model
42LH35FD (CHASSIS:LJ91A)
Pages
53
Size
4.82 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lh35fd-chassis-lj91a.pdf
Date
PREV: LG 42LH30FD (CHASSIS:LT91A) Service Manual

LG 42LH35FD (CHASSIS:LJ91A) Service Manual ▷ View online

4. Analog TV Video Trouble Shooting
Check RF Cable
Y
Check CVBS Signal
TU1101 #9 Pin
N
Y
Check CVBS Signal
C102
N
Replace one of C1122/R1122
& Recheck
Y
N
Y
Check Tuner Power
(5.0V, 2.5V, 3.3V, 1.2V)
Replace one of 
L1108/L1105/L1100/L1107/L1109 
& Recheck
Maybe Tuner(TU1100) has 
problems
Maybe BCM3556(IC100)
has problems
5. Component Video Trouble Shooting
Check Signal Format
Is it supported signal?
Y
Check Component Jack JK700
N
Y
Check Component Signal
R754, R755, R756
R741, R744, R745
N
Replace one of
R754, R755, R756 
/L705/L706/L707
R741, R744, R745 
/L702/L703/L704
& Recheck
Y
Check Component Signal
C127, C128, C129
C130, C131. C132
N
Replace it
Y
Y
Check Component Cable
Replace Jack
Maybe BCM3556(IC100)
has problems
6. RGB Video Trouble Shooting
Check Signal Format
Is it supported signal?
Y
Check RGB Jack JK701
N
Y
Y
Check RGB Cable
Replace Jack
Check RGB Signal
L708, L709, L710
N
Replace It & Recheck
Y
Check Sync Signal
IC702 #11, #3
N
Replace one of R759/R761/IC702
& Recheck
Y
Check EEPROM (IC703)
N
Replace it or re-burn
& Recheck
Y
Maybe BCM3556(IC100)
has problems
7. AV Video Trouble Shooting
Y
Check Jack JK700/JK704
N
Check CVBS Signal
C103
N
Replace one of 
R729/R706/C711/D703
& Recheck
Y
Y
Replace Jack
Maybe BCM3556(IC100)
has problems
Check Signal Format
Is it supported signal?
Check AV Cable
Y
Y
Page of 53
Display

Click on the first or last page to see other 42LH35FD (CHASSIS:LJ91A) service manuals if exist.

RANDOM: