Only For Training And Service Purposes - LG KG290 Service Manual
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Also See for KG290:
- User manual (320 pages) ,
- Quick start manual (2 pages) ,
- User manual (106 pages)
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CHECKING FLOW
SETTING : After initialize Agilent 8960, Test EGSM, DCS mode
START
Voltage VMIC of R221
= DC 2.8V?
YES
Check the signal
Level at each side
of MIC200.
Is it a few tens
mV AC?
YES
U204 working Properly?
YES
Microphone will work
properly.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO
Check soldering R221
NO
Replace microphone
NO
Resolder U204
- 89 -
4. TROUBLE SHOOTING
LGE Internal Use Only
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