User Guide

Nokia Customer Care Troubleshooting Instructions
Company Confidential RH-30/RH-31
Issue 2 11/2004 © 2004 Nokia Corporation. Page 7
RF measurement points
Figure 2: Component placement 2
To Antenna
VCTCXO output 26MHz
1800/1900 PA in
VTXB 1800/1900
Pcrtl 1800/1900
Vpcrtl 850/900
VTXB 850/900
850/900 PA in
1900 RX in
1800 RX in
850/900 RX in
VR 7
VR 6
VR 4
TXC
VR 5
VPECTRL3(ALC)
TXQN/QP
RX 1900 saw out
LNA P
VANT_1
VANT_2
A
SM out 1900Rx
LNA VCC
A
SM In Tx850/900
VANT_3
VBATT
VR2
RFBusEn
RFBusClk
RFBusRes
RFBusData
VR3
VR1
TXIN/TXIP
MODE
I_ref_850/900
I_ref_1800/1900
TXP
VTXLO 850/900
A
SM In Tx1800/1900
A
SM Out Rx 850/900
A
SM out 1800Rx
TXA