Checking Pam Block - LG CT815 Service Manual

4.5.4 Checking PAM Block

PAM control signal :
PA_ON(WCDMA_850_ON(C95), WCDMA_1900_ON(C99) and WCDMA_2100_ON(C129) :
PAM Enable
PA_RO: 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(C108,C131):Low),
PAM OUT power must be over 21 dBm
PAM IN power must be under 10 dBm
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4. TROUBLE SHOOTING
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