LG GB210 - Page 49

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4. TROUBLE SHOOTING
(3) Checking PAM Control Signal
Similar?
Yes
No
Check TP7,8
Any Major Difference or not
¨
Similar?
Yes
No
Go to Next Step
Similar?
Yes
No
Re-download S/W
Check if there is
Any Major Difference or not
¨
Refer to Graph 4.3.3
PA_EN
TX_RAMP
Graph 4.3.3
TEST POINT
Figure 4.3.3
CIRCUIT
CHECKING FLOW
WAVEFORM
TP5TP6
TP5
TP6
R500
68
C502
56p68p
C501
56p
C500
56p
C503
ANT_SW
PA_ BA ND
PA_ EN
TX_RAMP
TP5
TP6