LG GT350 - Page 99

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4. TROUBLE SHOOTING
LG Electronics 96/115 LGE Property
4.13.5 Checking PAM Control Signals
Checking Points
Figure 25. Transceiver Output
Table 4. PAM Mode Operation
HIGHControl Amp bias HIGH 8PS
K
HIGHRamp Burst ControlLOW GMS
K
TXON_PAPA_LEVELMODE MODE
Figure 24. PAM Control Signals Circuit
TP1
(
PA LEVEL
)
TP2
(
TXON PA
)
TP3(PA
_
MODE)
TP3(PA_MODE)
TP2(TXON_PA)
TP1(PA_LEVEL)
1R603
1R604
C606
DNI
47pF
C611
R608 1K
DNI
C629
DNI
C630
PA_LEVEL
PA_MODE
PA_BAND
TXON_PA
LBAND_PAM_IN
HBAND_PAM_IN
TP2(TXON PA)
TP1(PA LEVEL)
TP3(PA_MODE)