DOWNLOAD LG 42LB1R (CHASSIS:ML051B) Service Manual ↓ Size: 4.33 MB | Pages: 36 in PDF or view online for FREE

Model
42LB1R (CHASSIS:ML051B)
Pages
36
Size
4.33 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lb1r-chassis-ml051b.pdf
Date
PREV: LG 42LB1R (CHASSIS:LP78A) Service Manual

LG 42LB1R (CHASSIS:ML051B) Service Manual ▷ View online

- 17 -
NO VIDEO
REPLACE LCD MODULE
CHECK THE PERIPHERAL
IC800
CHECK LVDS Output
P3(PIN 21, PIN 22)
No
CHECK THE PERIPHERAL
IC1
DOWN LOAD ISP DATA
or REPLACE MAIN BOARD
Check L2
(12V)
No
Yes
CHECK L1022
(24V)
CHECK R898
(3.3V)
No
Yes
Yes
Yes
No
- 18 -
NO SOUND
REPLACE JACK BOARD
INSERT CABLES WELL
IS THE SPK CABLE 
CONNECTED WELL?
No
CHECK IC302 OR CHANGE
DOES IC302 OPERATE?
No
Yes
CHECK IC301 OR CHANGE
DOES IC301 OPERATE?
No
Yes
CHECK X300 OR CHANGE
DOES IC300 OPERATE?
DOES IC400 OPERATE?
No
Yes
Yes
Yes
CHECK X400 OR CHANGE
No
BLOCK DIAGRAM
- 19 -
      
      
  
   
   
   
 
   
 
 
 
- 20 -
6631T1
1020Z-30P
6631900083A-15P
6631T25026C-4P
6631T25024Z-3P
6631T20033J-4P
6631T20037X-10P
6631T25026B-3P
6631T20032G-12P
WIRING DIAGRAM
Page of 36
Display

Click on the first or last page to see other 42LB1R (CHASSIS:ML051B) service manuals if exist.

RANDOM: