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Appendix A: RF Troubleshooting
2.1 RF-BB interface (ST_CDSP_RF_BB_IF_TEST)
RF_BB_IF test (86) tests the functionality of the RAP3G/HINKU/VINKU serial interface & reset lines. If this
test fails, it means that there's a problem programming Hinku and or Vinku and all of the following
tests cannot give correct data.
Tested signals: VBAT_ASIC, VDIG, VREFRF01, VXO, RFBUSDAT, RFBUSCLK, RFBUSENA, RXRESETX, TXRESETX
Error code for this self test is given in format:
0xyy, 0xzz
•
,where 0xyy, 0xzz part is the total error code:
Incorrect version number
Incorrect version number
Incorrect version number
read from the RX_IC
read from the RX_IC
read from the RX_IC
(0x0001)
(0x0001)
(0x0001)
YES
YES
YES
YES
Incorrect version number
Incorrect version number
Incorrect version
read from the TX_IC
read from the TX_IC
number read from the
(0x0008)
(0x0008)
TX_IC (0x0008)
YES
YES
YES
YES
VXO (VDIG) voltage OK?
VXO (VDIG) voltage OK?
VX
O (VDIG) voltage OK?
YES
YES
YES
YES
Propable cause:
Propable cause:
Propable cause:
Solder problem/faulty RAP
Solder problem/faulty RAP
Other possible reasons:
Other possible reasons:
Solder problem/faulty RAP
- Solder problem/faulty
- Solder problem/faulty
Other possible reasons:
Hinku AND Vinku
Hinku AND Vinku
-Solder problem/faulty
- Problem with RXRESETX
- Problem with RXRESETX
Hinku AND Vinku
AND TXRESETX
AND TXRESETX
-Problem with RXRESETX
and TXRESETX
ST_CDSP_RF_BB_IF_TEST
ST_CDSP_RF_BB_IF_TEST
ST_CDSP_RF_BB_IF_TEST
NO
NO
NO
Propable cause:
Solder problem/faulty
HINKU
Other possible reasons:
NO
NO
NO
NO
-Problem in VDIG between
RETU & HINKU
-Problem with RXRESETX
NO
NO
NO
NO
NO
NO
NO
Propable cause:
Propable cause:
Propable cause:
Problem in RETU or in
Problem in RETU or in
Problem in RETU or in
VDIG between route
VDIG between route
VDIG between route
RETU & HINKU & VINKU
RETU & HINKU & VINKU
RETU & HINKU & VINKU
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0xyyzz
RX_IC is not reset correctly
RX_IC is not reset correctly
RX_IC is not reset
(0x0002)
(0x0002)
correctly (0x0002)
YES
YES
YES
YES
TX_IC is not reset correctly
TX_IC is not reset correctly
TX_IC is not reset correctly
NO
NO
NO
NO
Is RXRESETX signal OK?
Is RXRESETX signal OK?
Is RXRESETX signal OK?
(0x0010)
(0x0010)
(0x0010)
YES
YES
YES
YES
Propable cause:
VXO (VDIG) voltage OK?
Solder problem/faulty
Solder problem/faulty
Solder problem/faulty
VXO (VDIG) voltage OK?
VXO (VDIG) voltage OK?
Other possible reasons:
Other possible reasons:
Other possible reasons:
Problem in VDIG between
Problem in VDIG between
Problem in VDIG between
YES
YES
YES
YES
Propable cause:
Propable cause:
Propable cause:
Solder problem/faulty RAP
Solder problem/faulty RAP
Solder problem/faulty RAP
Other possible reasons:
Other possible reasons:
Other possible reasons:
Solder problem/faulty
Solder problem/faulty
-Solder problem/faulty
Hinku AND Vinku
Hinku AND Vinku
Hinku AND Vinku
Nokia Customer Care
Continue to
Continue to
Continue to
NO
NO
NO
ST
ST
_CDSP_RF_BB_IF_TEST
_CDSP_RF_BB_IF_TEST
S
T_CDSP_RF_BB_IF_TEST
FAI
FAI
LURE PAGE_2
LURE PAGE_2
FAILURE PAGE 2
NO
NO
NO
YES
YES
YES
YES
Propable cause:
Propable cause:
HINKU
HINKU
HINKU
RETU & HINKU
RETU & HINKU
RETU & HINKU
Propable cause:
Propable cause:
Propable cause:
Solder problem/faulty RAP
Solder problem/faulty RAP
Solder problem/faulty RAP
Other possible reasons:
Other possible reasons:
Other possible reasons:
Short circuit under HINKU/
Short circuit under HINKU/
-Short circuit under
Faulty HINKU
Faulty HINKU
HINKU/Faulty HINKU
A-7
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