Nokia 8208 Service Manual page 106

CELL 850 RX Path Troubleshooting
Troubleshooting flow
Cell Rx path test
procedure
Check DC test point in
the Table 22.
Is it ok ?
Yes
Check DC test point in
the Table 22. ( TP6)
Is it ok ?
Yes
Check TP7 in the Table
23.
Is it ok?
Yes
Check TP8 in the Table
23.
Is it ok?
Yes
Check TP9 in the Table
23.
Is it ok?
Yes
Check TP10 in the Table
23.
Is it ok?
Yes
Check TP11 in the Table
23.
Is it ok?
Yes
End
Page 4-18
No
No
No
No
No
No
No
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1. Check U403 (PMIC)
2. Check soldering point of the peripheral
circuit
3. Change defect component
1. Check U205 (RFRXXXX)
2. Check soldering point of the peripheral
circuit
3. Change defect component
1. Check Carkit
2. Check soldering point of the peripheral
circuit
3. Change defect component
1. Check DPX101
2. Check soldering point of the peripheral
circuit
3. Change defect component
1. Check DPX102
2. Check soldering point of the peripheral
circuit
3. Change defect component
1. Check U205(RFRxxxx)
2. Check soldering point of the peripheral
circuit
3. Change defect component
1. Check F202
2. Check soldering point of the peripheral
circuit
3. Change defect component
RM-384
RF Troubleshooting
Issue1