LG VX8610 Service Manual page 103

VX8610
2
Check the audio signal at C300, C301
Check the audio signal at R308, R309
Check the soldering of CON300
Replace Main B/D
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Only for training and service purposes
Checking Flow: Headset receiving path problem
Checking Flow: Headset receiving path problem
YES
NO
YES
NO
YES
NO
YES
Check the soldering at
C300, C301
YES
Resolder C300, C301
Resolder U300
with heat gun
Resolder CON300
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Redownload S/W
NO
NO
Replace MSM or B/D
Replace U300
NO
LGE Internal Use Only