DOWNLOAD LG 42LD320H (CHASSIS:LD91X) Service Manual ↓ Size: 5.21 MB | Pages: 74 in PDF or view online for FREE

Model
42LD320H (CHASSIS:LD91X)
Pages
74
Size
5.21 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42ld320h-chassis-ld91x.pdf
Date
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LG 42LD320H (CHASSIS:LD91X) Service Manual ▷ View online

Making 
전자 - 6-2
Revision 
LCD TV
Symptom
Buzzer Problem
Check the IC 1405 & BU1400
Check the “Time” item
on user Menu
YES
NO
Replace it
Check the “Time” item
on user Menu
YES
NO
Check the current time establishment
on “Time” item of user menu
NO
Set to “Alarm Time”
2010. 07 .27
22~42LD320H
Making 
전자 - 6-2
Revision 
LCD TV
Symptom
External Speaker Problem
IC702 operate
normally?
Check the input
source
YES
NO
Re-solder or Replace
the IC702
IC100 operate
normally?
YES
NO
Change input source.
NO
Re-solder or replace
the IC100
Replace it
Replace the external speaker.
Check JK406
Check the external
speaker
NO
NO
YES
YES
2010. 07 .27
22~42LD320H
Making 
전자 - 6-2
Revision 
LCD TV
Symptom
External Speaker Problem
IC702 operate
normally?
Check the input
source
YES
NO
Re-solder or Replace
the IC702
IC100 operate
normally?
YES
NO
Change input source.
NO
Re-solder or replace
the IC100
Replace it
Replace the external speaker.
Check JK406
Check the external
speaker
NO
NO
YES
YES
2010. 07 .27
22~42LD320H
Making 
전자 - 6-2
Revision 
LCD TV
Symptom
External Speaker Problem
IC702 operate
normally?
Check the input
source
YES
NO
Re-solder or Replace
the IC702
IC100 operate
normally?
YES
NO
Change input source.
NO
Re-solder or replace
the IC100
Replace it
Replace the external speaker.
Check JK406
Check the external
speaker
NO
NO
YES
YES
2010. 07 .27
22~42LD320H
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