Check Pam Control Signal - LG KG110 Service Manual

4. TROUBLE SHOOTING

4.3.4 Check PAM control signal

Settin
Check Tx_ramp & TxEN
Check if there is any
Major Different
Refer to Graph 4-9
PA_EN
TX_RAMP
Tx_ramp
Tx_EN
Figure 4-13
R418
Similar ?
YES
See next page to check
TX ant SW & mobile SW
R418 100
R419 100
40
40
U401
TQM6M4003
13
GND1
15
GND2
17
GND3
19
GND4
21
GND5
2
VCC1
NO
Replace U101
9
VCC2
10
V1