103
VX8350
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Checking Flow
Checking Flow
SETTING : After initialize 5515C, Test Cellular
Replace MSM
Yes
Re-solder R203
START
Check the voltage level at
R203 is 1.2~1.5V.
NO
Replace the microphone(U201)
Check the signal level at
each side of MIC
Check the Soldering of
R203
Check the soldering of
C208, C210
Check the soldering
of MIC network
MIC will work
properly
Yes
Yes
Yes
Yes
Yes
NO
NO
NO
Re-solder C208,C210
NO
Replace MIC network
Z3X-BOX.COM