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Only for training and service purposes
4. Trouble Shooting
To verify that the phone fulfils requirements on maximum output power.
TP4
About 22~23dBm?
RF TX Level is OK
Check next stage
Check output power at
the TP4 with antenna
Cable.
Refer to Figure 4-18-10
No
Yes
Set the FDD Test of the Agilent 8960
Set the Maximum Power
Yes
The SW101 has any problem.
Change the SW101
TP3
About 15dBm?
Check the power at
the TP3 with probe.
Refer to Figure 4-18-9
No
Yes
The L103 will be broken.
Change the L103
TP5
About 19dBm?
Check the power at
the TP5.Ant with probe.
Refer to Figure 4-18-11
No
Yes
The U105 has any problem.
You have to check PAM block.
TP1
About -6dBm?
Check the power at
the TP1 with probe.
Refer to Figure 4-18-7
The U101 will be not operated.
Change the board
No
TP Command
MODE=4
WTXC=9750, 1,754,643,418,568
SYCT=9750
TFTI=9750
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