DOWNLOAD LG 32LH200H (CHASSIS:LD91Y) Service Manual ↓ Size: 5.02 MB | Pages: 76 in PDF or view online for FREE

Model
32LH200H (CHASSIS:LD91Y)
Pages
76
Size
5.02 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lh200h-chassis-ld91y.pdf
Date
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LG 32LH200H (CHASSIS:LD91Y) Service Manual ▷ View online

Check Signal format
Is it supported?
Check the HDMI Cable
YES
YES
Replace MAIN B’D IC 100
MAIN B’D JACK Check
JK600 -> HDMI1
JK601 -> HDMI2
YES
※ This case is that HDMI Video doesn’t display at the some HDMI input, not all.
Making 
Revision 
2009. 2 . 1
LCD TV
Symptom
HDMI1 or 2  No Video Problem
HDMI1 – ALL MODELS
HDMI2 – Except for 19/22LH250**
22~42LH200H
Check The Speaker
Check Speaker Cable
YES
Check P700 Cable
YES
NO
Replace MAIN B’D IC 701
YES
MAIN B’D
L705 Pin #1
L704 Pin #2
PWM Signal ?
Replace Speaker
NO
Replace Speaker Cable
NO
CHECK MAIN B’D 
JK700 or JK701
YES
Replace MAIN B’D 
JK700 or JK701
NO
※ If headphone is connected, Speaker sound doesn’t work.
Replace MAIN B’D IC803
NO
YES
MAIN B’D
L700 = 1.8V
MAIN B’D
Check R720, R721, R722
Signal
YES
Replace MAIN B’D IC100
NO
Replace MAIN B’D IC701
NO
Making 
Revision 
2009. 2 . 1
LCD TV
Symptom
All Source no Audio Problem
22~42LH200H
Digital TV Video OK ?
YES
Replace MAIN B’D IC 100
Making 
Revision 
2009. 2 . 1
LCD TV
Symptom
Digital TV No Audio Problem
22~42LH200H
MAIN B’D TU1200
Pin #17 Signal (SIF)
Replace MAIN B’D TU1200
NO
Analog TV Video OK ?
YES
Check MAIN B’D
C231 Signal (SIF)
NO
Replace MAIN B’D IC100
YES
Making 
Revision 
2009. 2 . 1
LCD TV
Symptom
Analog TV No Audio Problem
22~42LH200H
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