LG -ID3100 Service Manual page 29

LG-ID3100
3.2.2 Check Duplexer & Mobile SW
TEST POINT
Mobile S/W
DP101
U101 TP2(PIN1)
Mobile S/W in
DP101 TP1(PIN6)
DP_out
TP2(PIN1)
Circuit Diagram
TP1(PIN6)
Circuit Flow
NO
Check DP101 Pin6
Replace DP101
Level is Appear?
DUP_OUT
YES
NO
Check U101 Pin1 Level is Appear?
Replace U101
YES
Replace QSC6010
LGE
LG Electronics Inc.
27/57 LGE Internal Use Only