LG GD510 - Page 68

- 69 -
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
5. Trouble shooting
GD510 Operational Description Revision A
LG Electronics 74/113 LGE Property
START
Mic bias ON
(2.5V)when
call?
(
L203
)
SPK Solder
Point Good?
Assemble
Check mic. Bias
line
Resolder the point
Yes
No
No
Check microphone sound
hole
Check Signal
L201,L202(2.5V)
Replace
microphone
(MIC101)
Yes
No