LG C1150 Service Manual page 63

4. TROUBLE SHOOTING
(5) Checking PAM Control Signal
Test Points
PA_EN (R302)
TX_RAMP (R309)
Figure 4-1
Waveform
TX_RAMP
PAM_EN
Graph 4-8
Checking Flow
Check TX_RAMP and PA_EN
Check if there is
No
Simil ar?
Download S/W
Any Major Diff erenc e or not
Refer to Graph 5-11
Yes
Go to Next Step
- 64 -