Nokia RM-42 Service Manual
Also see for RM-42: Service manual
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Appendix A: RF Troubleshooting Nokia Customer CareCompany ConfidentialCopyright © 2005 Nokia. All rights reservedA-72.1 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 thistest fails, it means that there’s a problem programming Hinku and or Vinku and all of the followingtests cannot give correct data.Tested signals: VBAT_ASIC, VDIG, VREFRF01, VXO, RFBUSDAT, RFBUSCLK, RFBUSENA, RXRESETX, TXRESETXError code for this self test is given in format:• 0xyy, 0xzz,where 0xyy, 0xzz part is the total error code: 0xyyzzIncorrect version numberread from the RX_IC(0x0001)YESIncorrect version numberread from the TX_IC(0x0008)YESPropable cause:Solder problem/faulty RAPOther possible reasons:-Solder problem/faultyHinku AND Vinku-Problem with RXRESETXAND TXRESETXRX_IC is not reset correctly(0x0002)YESTX_IC is not reset correctly(0x0010)YESNONOPropable cause:Solder problem/faulty RAPOther possible reasons:Solder problem/faultyHinku AND VinkuVXO (VDIG)voltage OK?YESVXO (VDIG) voltage OK?YESNO NOPropable cause:Problem in RETU or inVDIG between routeRETU & HINKU & VINKUIs RXRESETX signal OK?NOYESPropable cause:Solder problem/faultyHINKUOther possible reasons:Problem in VDIG betweenRETU & HINKUPropable cause:Solder problem/faulty RAPOther possible reasons:Short circuit under HINKU/Faulty HINKUNOST_CDSP_RF_BB_IF_TESTContinue to_CDSP_RF_BB_IF_TESTLURE PAGE_2STFAINOIncorrect version numberread from the RX_IC(0x0001)YESIncorrect version numberread from the TX_IC(0x0008)YESPropable cause:Solder problem/faulty RAPOther possible reasons:-Solder problem/faultyHinku AND Vinku-Problem with RXRESETXAND TXRESETXRX_IC is not reset correctly(0x0002)YESTX_IC is not reset correctly(0x0010)YESNONOPropable cause:Solder problem/faulty RAPOther possible reasons:Solder problem/faultyHinku AND VinkuVXO (VDIG)voltage OK?YESVXO (VDIG) voltage OK?YESNO NOPropable cause:Problem in RETU or inVDIG between routeRETU & HINKU & VINKUIs RXRESETX signal OK?NOYESPropable cause:Solder problem/faultyHINKUOther possible reasons:Problem in VDIG betweenRETU & HINKUPropable cause:Solder problem/faulty RAPOther possible reasons:Short circuit under HINKU/Faulty HINKUNOST_CDSP_RF_BB_IF_TESTContinue to_CDSP_RF_BB_IF_TESTLURE PAGE_2STFAINOIncorrect version numberread from the RX_IC(0x0001)YESYESIncorrect versionnumber read from theTX_IC (0x0008)YESYESPropable cause:Solder problem/faulty RAPOther possible reasons:-Solder problem/faultyHinku AND Vinku-Problem with RXRESETXand TXRESETXRX_IC is not resetcorrectly (0x0002)YESYESTX_IC is not reset correctly(0x0010)YESYESNONONOO (VDIG) voltage OK?YESYES YESYESNONO NOPropable cause:Problem in RETU or inVDIG between routeRETU & HINKU & VINKUIs RXRESETX signal OK?NONOYESYESNOST_CDSP_RF_BB_IF_TESTContinue toT_CDSP_RF_BB_IF_TESTSFAILURE PAGE 2NOPropable cause:Solder problem/faultyHINKUOther possible reasons:-Problem in VDIG betweenRETU & HINKU-Problem with RXRESETXVXO (VDIG) voltage OK?Propable cause:Solder problem/faulty RAPOther possible reasons:-Solder problem/faultyHinku AND VinkuPropable cause:Solder problem/faultyHINKUOther possible reasons:Problem in VDIG betweenRETU & HINKUPropable cause:Solder problem/faulty RAPOther possible reasons:-Short circuit underHINKU/Faulty HINKUVX |
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