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CCS Technical Documentation
RF Measurement points
Iref_1800/1900
To antenna
850PA_IN
VTXB850
VPCTRL_850
VPCTRL_1800_1900
VTXB_1800_1900
1800_1900PA_IN
VPECTRL3 (ALC)
ALC
VR2
RFBusReset
RFBusData
RFBusEn
RFBusClk
VR3
VCTCXO
26Mhz out
VR1
26MHz to BB
Issue 1 3/03
Company confidential
Figure 2: Component placement 2
Iref_850
Mode
TXIN/TXIP
TXQP/QN
ãNokia Corporation.
Troubleshooting Instructions
VTXLO_850
ASM_In_TX850
VANT_1
VANT_2
ASM_In_TX1800_1900
ASM_out_850RX
ASM_out_1800RX
ASM_out_1900RX
VANT_3
RX_saw_out
VBATT
LNA_VCC
LNA_P
1900_RX_In
1800_RX_In
850_RX_In
VR4
VR7
VR6
TXC
TXA
VR5
RXQ
RXI
TXP
NPL-3
Page 5
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Table of Contents
Troubleshooting
