LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. Trouble shooting
- 82 -
START
Check microphone sound
hole
Assemble
Check All of
CN101 solder?
Yes
Yes
CN101
CN501
TP3
TP1
TP2
Yes
No
No
Yes
No
Check Signal
TP1, TP2 (2.5V)?
44pin connector
(CN501)is good?
Mic bias ON
(2.5V)when
call? (TP3)
Check mic. Bias
line
Repair the 44pin
conn. (CN501)
Replace
microphone
(MIC101)
No
Replace KEY FPCB
Содержание KP500
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