LG 32LT75/76 Service Manual page 21

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6-2. Time shift sound and Recorded video sound
(1) Symptom
-> Sound doesn't come out.
(2) Procedure check
Is it DVR Mode (time
shift or recorded TV)?
Yes
MUTE key on?
No
Sound cable is ok?
No
Connect speak cable
sound is ok?
No
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No
Go on 19page in the document.
Yes
Turn off the mute key.
Yes
Are power cable
connected well.
No
Connect power
cables/ power B/D.
Yes
Is Data cable(P1501) ok?
No
Check speakers.
Are they ok?
No
Check MSP(IC1300),
Audio AMP(IC1301)
Is it ok?
Yes
- 21 -
Yes
Connect Data cable.
Yes
Change the speakers.
No
Change the ICs.
Is it ok?
No
Replace VSC B/D.
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