DOWNLOAD LG 47LM6610 / 47LM661Y / 47LM6690 (CHASSIS:LB22E) Service Manual ↓ Size: 8.92 MB | Pages: 79 in PDF or view online for FREE

Model
47LM6610 47LM661Y 47LM6690 (CHASSIS:LB22E)
Pages
79
Size
8.92 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47lm6610-47lm661y-47lm6690-chassis-lb22e.pdf
Date

LG 47LM6610 / 47LM661Y / 47LM6690 (CHASSIS:LB22E) Service Manual ▷ View online

Normal
voltage?
Check various voltages 
of Power Board 
( 3.5V,12V,20V or 
24V…)
No Video/
No audio
Check and 
replace 
MAIN B/D
Y
Replace Power 
Board and repair 
parts
N
End
Standard Repair Process
A. Video error
No video/ No audio 
A4
Established
date 
Revised date 
2/13
LCD  TV
Error
symptom
2010. 12 .14
A. Picture Problem
Picture broken/ Freezing
Y
N
☞ A6
N
Check RF Signal level
Normal 
Signal?
Check RF Cable 
Connection
1. Reconnection
2. Install Booster
Check
S/W Version
Booster menu
OnOff: Check
Off
On: Check
S/W Upgrade
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→ DVD Player ,Set-Top-Box, Different maker TV etc`
SVC 
Bulletin?
Replace
Main B/D
Check
Tuner soldering
Normal 
Picture?
Y
N
Y
Close
Normal 
Picture?
Y
Close
 
Menu→Setup →Booster
. By using Digital signal level meter
. By using Diagnostics menu on OSD
( Menu→ Set up→ Support → Signal Test )
- Signal strength (Normal : over 50%)
- Signal Quality  (Normal: over 50%)
Normal 
Picture?
Y
Contact with signal distributor
or broadcaster (Cable or Air) 
N
N
Normal 
Picture?
Y
Close
N
☞ A7
Standard Repair Process
Established
date 
Revised date 
3/13
LCD  TV
Error
symptom
2010. 12 .14
A. Picture Problem (DVB-S/S2)
Tuning fail, Picture broken/ Freezing
Y
N
☞ A6
Check RF Signal level
Normal 
Signal?
Check
S/W Version
S/W Upgrade
SVC 
Bulletin?
Normal 
Picture?
Y
N
Y
Close
Check RF signal cable (DVB satellite signal or not)
Check whether other equipments have problem or not.
(By connecting RF Cable at other equipment)
→ Set-Top-Box, Different maker TV etc
Y
Change satellite setting
(match with installed ANT) 
N
Normal 
Picture?
Y
Close
N
☞ A7
Standard Repair Process
Established
date 
Revised date 
3/13
LCD  TV
Error
symptom
2011. 01 .24
Check satellite setting.
-
Check LNB frequency.
-
Check satellite  
-
Check Satellite connection
(DiSEqC, motor, etc…)
Normal 
setting?
Contact with 
signal distributor
or broadcaster 
(Cable or Air) 
Close
N
Check
Tuner soldering
Replace
Main B/D
Color
error?
Y
N
※ Check and 
replace Link 
Cable
(LVDS) and 
contact 
condition
Y
N
Replace Main B/D
Color
error?
Check error 
color input mode
Check color by input
-External Input
-COMPONENT
-
RGB
-
HDMI/DVI
Y
External device
/Cable
normal
External Input/
Component
error
Check 
external 
device and
cable
Y
External device
/Cable
normal
RGB/
HDMI/DVI
error
Check external 
device and  
cable
Replace Main B/D
Replace Main B/D
N
N
A. Video error
Color error 
A8
N
Y
End
Replace module
Request repair 
for external 
device/cable
Color
error?
Check Test pattern
A12
☞ A10/ A11
Standard Repair Process
Established
date 
Revised date 
4/13
LCD  TV
Error
symptom
2010. 12 .14
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