LG GM360i Service Manual page 97

4. TROUBLE SHOOTING
PAM Control Signal is OK.
Figure 26. GSMK Control Signal
LGE Internal Use Only
LG Electronics
Checking Flow
Check Control Signals
(TP1, TP2, TP3)
Signals are
Normal ?
Yes
See next page to check
FEM & Mobile SW Circuit.
TP1(PA_LEVEL)
TP2(TXON_PA)
TP3(PA MODE)
TP1(PA_LEVEL)
TP2(TXON_PA)
TP3(PA MODE)
102/147
Check
No
PMB8877(U100)
Figure 27. 8PSK Control Signal
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TP2(TXON_PA)
TP1(PA_LEVEL)
TP3(PA MODE)
LGE Property
Only for training and service purposes