LG LG-P715 - FM Radio Tuning; Multimedia (Continued); Searching for FM Radio Stations

4. TROUBLE SHOOTING
- 61 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4.5.4 Checking PAM Block
PAM control signal
PA_ON0 (C1069), PA_ON1(C1087), PA_ON2(C1103) : PAM Enable
PA_R0: PAM Gain Control
PA_ON must be HIGH (over 2.6V)
PAM IN/OUT Signal
When PAM is under the operation of high power mode (PA_R0(C1068) : Low),
PAM OUT power must be over 21 dBm
PAM IN power must be under 10 dBm
TP3
TP2
TP1