DOWNLOAD LG 37LC3R (CHASSIS:LP62A) Service Manual ↓ Size: 4.38 MB | Pages: 44 in PDF or view online for FREE

Model
37LC3R (CHASSIS:LP62A)
Pages
44
Size
4.38 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lc3r-chassis-lp62a.pdf
Date
PREV: LG 37LC2RR (CHASSIS:MF-056M) Service Manual

LG 37LC3R (CHASSIS:LP62A) Service Manual ▷ View online

- 21 -
(4) When set doesn’t display normally at RF , AV mode
(5) When set doesn't display nromally at Component, RGB mode
(6) In the case of becomes unusual display from HDMI mode
Yes
Replace IC1200
No
Is the Input voltage, 
IIC Communication and 
HV sync normal?
No
Is the IC1200 
normal?
Replace IC800
No
Is the Input voltage, 
IIC Communication and 
HV sync normal?
No
Is the IC800 
normal?
Replace IC800
No
Is the Input voltage, 
IIC Communication and 
HV sync normal?
No
Is the IC800 
normal?
Yes
Replace IC300
No
Is the Input voltage, 
IIC Communication and 
HV sync normal?
No
Is the IC300 
normal?
Replace IC800
No
Is the Input voltage, 
IIC Communication and 
HV sync normal?
No
Is the IC800 
normal?
- 22 -
2-4.  In case of no sound
(1) Symptom
1) LED is White
2) Screen existent, but Sound isn’t
(2) Check follow
No
No
No
All input(mode)
is no sound?
Only HDMI is 
no sound?
Only AV input is 
no sound?
Replace IC400
Replace IC401
Replace IC300
Replace 
VSC B/D
Set on speaker in menu
Download the EDID data
Check the speaker cable
No
Only RF is 
no sound?
Check the Tuner In/Out
No
No
No
Replace IC402
No
Is the Speaker 
on in Menu?
Yes
No
No
Check the signal after IC300
refer to circuit diagram.
Is the output 
52nd&53rd of IC300 
normal?
Yes
Yes
Yes
Yes
Is the speaker
cable normal?
Yes
Y
es
Yes
Yes
IC400 operate 
normally?
IC401 operate 
normally?
IC402 operate 
normally?
BLOCK DIAGRAM
- 23 -
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
- 24 -
EXPLODED VIEW (37LC3R)
010
020
070
070
060
050
080
091
090
100
110
120
130
030
140
040
Page of 44
Display

Click on the first or last page to see other 37LC3R (CHASSIS:LP62A) service manuals if exist.

RANDOM: