Appendix A: RF Troubleshooting
Nokia Customer Care
Company Confidential
Copyright
©
2005 Nokia. All rights reserved
A-21
2.10
GSM transmitter self test (ST_CDSP_GSM_TX_POWER_TEST)
TX_GSM_POWER_TEST (77) checks the output power of the GSM transmitter.
Test covers: RFIC Vinku (N7501), modulator, IC gain control stages, filter/balun solder joints, GSM PA
(N7502), PA bias lines & DACs, RFBUS, TX power detector functionality, VBAT_ASIC, VBAT_PA.
Test does not cover: Antenna functionality, RX/TX-switch functionality, and TX signal quality
Error code for this self test is given in format:
•
0xyy, 0xzz, MeasResult1, MeasResult2, …
,where 0xyy, 0xzz part is the main part of the error code:
0xyyzz