LG VX8500 Service Manual page 109

VX8500
Checking Flow
SETTING : After initialize 5515C, Test Cellular
START
Check the voltage level
at R532 is 1.2~1.5V
Check the signal level
at each side of MIC.
Check the signal level
at R212.
Check the soldering at C209, C210
Check the soldering
of mic network
Mic will work
properly
LG Electronics Inc.
No
Yes
l
No
Yes
No
l
Yes
No
No
117
Check the soldering
Of R532
Yes
Replace MSM
Re-soldering
U507
Re-soldering
Mic
Re-soldering
C209, C210
Re-soldering
Mic Network
No
Re-solder R532