LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 103 -
4.19 Headset microphone
Headset
→
CON801
→
C801
→
MIC2P(MSM6260)
Start
EAR_SENSE_N
(VA811) is 0V?
YES
END
Make a call
Change the headset retry.
VREG_MSMP is biased
by 2.6V? (R801)
END
YES
OK
NO
NO
NO
Change the headset and retry
YES
Change main board
NO
Sine wave appears at
CON801 ?
Change the headset retry.
NO
YES
Содержание CU575
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