LG LG-P970 - Checking Pam Block

4. TROUBLE SHOOTING
- 118 -
Copyright © 2011 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
W_PA_EN (W_900_PA_EN(C182),W_1900_PA_EN(C160) W_2100_PA_EN(C181) : PAM Enable
W_PA_MODE1,2 : PAM Gain Control
W_PA_EN must be HIGH (over 2.6V)
PAM IN/OUT Signal
When PAM is under the operation of high power mode
(WCDW_PA_Mode(C162,C183):Low, WCDMA_PA_Mode2(C161,C184):Low),
PAM OUT power must be over 21 dBm
PAM IN power must be under 10 dBm