Rf Measurement Points - Nokia RH-30 Series Troubleshooting Instructions

RF Measurement points

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To Antenna
RX 1900 saw out
VANT_2
LNA P
ASM Out Rx 850/900
LNA VCC
VANT_3
ASM out 1800Rx
VANT_1
ASM In Tx1800/1900
ASM In Tx850/900
VPECTRL3(ALC)
VR2
RFBusEn
RFBusData
RFBusRes
RFBusClk
VR1
VR3
VCTCXO output 26MHz
TXIN/TXIP
TXQN/QP
Figure 2: Component placement 2
ASM out 1900Rx
VBATT
1800/1900 PA in
VTXB 1800/1900
Pcrtl 1800/1900
MODE
Vpcrtl 850/900
VTXB 850/900
850/900 PA in
I_ref_1800/1900
I_ref_850/900
VTXLO 850/900
1900 RX in
1800 RX in
VR 4
850/900 RX in
VR 6
TXA
TXP
VR 5
VR 7
TXC