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4. No MIC
Check the MIC contacts (J705).
Use SHF to confirm the same
fault or not.
(U401) is damaged.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NG
Good
Not
Same
fault
J705 output
- 87 -
Clean contacts (J705) or reinstall MIC.
Reinstall handset connector (J704)
6. Repairing
LGE Internal Use Only
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