User Guide
Table Of Contents
- 7 - RF Description & Troubleshooting
- 1. RF Description and Troubleshooting
- 2. RF Implementation in NHL-12
- 3. Introduction to RF troubleshooting
- 4. Receiver Description and Troubleshooting
- 5. Transmitter Description and Troubleshooting
- 6. Additional Information on EDGE Troubleshooting
- 7. Synthesizer Description and Troubleshooting
- BACK TO MAIN PAGE
NHL-12
Nokia Customer Care 7 - RF Description & Troubleshooting
8 COMPANY CONFIDENTIAL Issue 2 10/2004
Copyright © 2004 Nokia. All Rights Reserved.
Test points
Table 1: Test points
Signal name Reference Signal name Reference
VBAT C7020 To Antenna J7100
VR1 C7306 VANT 1 C7102
VR2 C7326 VANT 2 C7101
VR3 C7201 VANT 3 C7100
VR4 C7303 RFBusEna1X R7302
VR5 C7304 RFBusData R7302
VR6 C7302 RFBusClk R7302
VR7 C2230 RESET R7302
VrefRF01 C7311 VCTCXO G7200
RFTemp C2226 Clk to BB C2902
VCO out G7201 RFout 1800/1900 Z7100
VCO VCC C7205 TXA C7313
AFC R7200 TXC C7314
RXI J7301 TXP J7303
RXQ J7300 Mode R7002
ASM out 850RX L7100/L7101 VPECTRL3 (ALC) C7329
ASM out 1800RX L7102/L7103 Iref 850 (IPA1) R7001
ASM out 1900RX C7112/C7113 Iref 1800/1900 (IPA2) R7000
LNA VCC C7109 VTXB 850 C7013
LNA P R7202 VTXB 1800/1900 C7014
TXIP / TXIN R7305 VPCTRL 850 R7003
TXQP / TXQN R7306 VPCTRL 1800/1900 R7007
PA in 850 R7005 PA in 1800/1900 L7003
RFout 850 L7004 VTXLO 850 C7320