LGE Internal Use Only
Start
Check pin2, 3 at U101
Signal is detected?
YES
Check pin 1 at U101
Signal is detected?
YES
Check pin 2 at U100
Signal is detected?
YES
Mobile S/W and Quintplexer is O.K
Checking Flow
Checking Flow
YES
NO
NO
Waveform
Waveform
Figure 4.2.1(j)
Copyright@2007 LG Electronics. Inc. All right reserved.
-76-
Check U105 and U106
.
Replace U101
Replace U100
Only for training and serving purposes