LG M2250D Service Manual page 39
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Also See for M2250D:
- Owner's manual (108 pages) ,
- Service manual (33 pages) ,
- Owner's manual (88 pages)
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Standard Repair Process
Error
LCD TV
symptom
No audio
Screen normal
C. Audio error
No audio/ Normal video
☞A24
Check user
menu >
Off
Speaker off
Y
Cancel OFF
Check
Speaker
disconnection
☞A25
Check audio B+
N
19V Power Board
Replace Power Board and repair parts
N
Disconnection
Y
Replace Speaker
8
Established
date
Revised date
Y
Normal
voltage
N
Replace MAIN Board
End
ⓒ LG Electronics. Inc.2011
8/13
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