DOWNLOAD LG 26LH20D (CHASSIS:LB91A) Service Manual ↓ Size: 5.08 MB | Pages: 67 in PDF or view online for FREE

Model
26LH20D (CHASSIS:LB91A)
Pages
67
Size
5.08 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
26lh20d-chassis-lb91a.pdf
Date
PREV: LG 26LH20 (CHASSIS:LA92A) Service Manual

LG 26LH20D (CHASSIS:LB91A) Service Manual ▷ View online

Check the Component Cable
YES
Check MAIN B’D
C2013, C2014
MAIN B’D
C2013 (Right Sound)
C2014 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
Component Video OK ?
YES
Check MAIN B’D JK402
Replace MAIN B’D JK402
NO
YES
Making 
Revision 
2009. 2 . 1
19/25
LCD TV
Symptom
Component2 No Audio Problem
Check the PC Audio Cable
YES
Check MAIN B’D
C2015, C2016
MAIN B’D
C2015 (Right Sound)
C2016 (Left Sound)
signal ?
YES
NO
Replace MAIN B’D IC 100
RGB Video OK ?
YES
Check MAIN B’D JK401
Replace MAIN B’D JK401
NO
YES
Making 
Revision 
2009. 2 . 1
20/25
LCD TV
Symptom
RGB, HDMI-PC No Audio Problem
HDMI Video OK ?
YES
Check the ADJUST MENU
EDID OK ?
YES
Download EDID
(Refer to Adjustment Spec)
NO
Check the HDMI Cable
Replace MAIN B’D IC100
YES
Making 
Revision 
2009. 2 . 1
21/25
LCD TV
Symptom
HDMI-DTV No Audio Problem
Check the SPDIF Cable
YES
Check MAIN B’D R2305
PWM Signal ?
Replace MAIN B’D IC 100
Speaker Audio OK
YES
Check MAIN B’D JK403
Replace MAIN B’D JK403
NO
YES
NO
Check the Trouble Shooting Guide
Related to Audio Problem
NO
Making 
Revision 
2009. 2 . 1
22/25
LCD TV
Symptom
SPDIF No Audio Problem
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