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RH-109
RF troubleshooting
Hardware set up
Hardware requirements for tuning:
• PC (Windows 2000/XP)
• Power supply
• Product specific module jig
• Cables: RF cable and USB cable
• Signal analyzer (TX), signal generator (RX) and RF-splitter or one device including all.
Figure 5 Tuning concept with CMU200
General voltage checking
Steps
1. Set up the main board. The phone should be in
FTM
mode.
2. Check the following:
#
Signal name
Test point
Voltage
1 VREG_TCXO
C1009
2.85V
2 VPH_PWR
C1204
3.8V
3 VREG_RFRX1
C909
2.1V
4 VREG_RFTX
C902
2.1V
5 VREG_RFRX2
C919
2.1V
Page 4-8
COMPANY CONFIDENTIAL
Issue 1
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Summary of Contents for 1606Arte
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