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CCS Technical Documentation
NPD-1 Series Transceivers
Troubleshooting -- RF
Issue 1 11/2002 Confidential Nokia Corporation
NPD-1
Troubleshooting -- RF CCS Technical Documentation
Page 2 Nokia Corporation Confidential Issue 1 11/2002
NPD-1
CCS Technical Documentation Troubleshooting -- RF
Contents
Page No
RF Troubleshooting ....................................................................................................... 5
Tuning Descriptions ....................................................................................................... 8
ST Batman VHFPLL ...................................................................................................8
ST TX Detector Cell ....................................................................................................9
ST Robin VHFPLL Cell ............................................................................................10
ST TX Detector PCS .................................................................................................10
ST Robin VHF PLL PCS ...........................................................................................11
SN Cell PA Temp ......................................................................................................11
SN Cell RX BB Filter ................................................................................................12
SN Cell RX DC Offset I (or Q) .................................................................................12
SN AMPS RX BB Filter ............................................................................................12
SN AMPS RX DC Offset I (or Q) .............................................................................13
Test TX Start up Current ...........................................................................................13
Test TX Start up Amplitude ......................................................................................13
TN VCTCXO Frequency ..........................................................................................13
TN TX DC Offset Reference Power ..........................................................................15
TN TX DC Offset Carrier Suppression .....................................................................16
TN TX IF AGC Cell Po (0) [or (1), (2), (3), or (4)] ...............................................17
TN PA Gain Cal Cell Po (0) [or, (1), (2), (3), (4), or (5)] ......................................18
TX TX IF 11 dBm Set CELL Po ...............................................................................19
TN TX RF AGC Cell Po (0) [or (1), or (2)] ...........................................................19
TN TX Gain Comp Cell (or PCS) Po MD (or LO, LM, ML, MH, HM, or HI) ........20
TN G_Offset Cell MD ...............................................................................................21
TN AMPS PL2 Po Mid (or Low, LowMid, MidLow, MidHigh, HighMid, or High) 21
TN AMPS PL3 (or 4, 5, 6, or 7) Po ...........................................................................22
TN PA Gain Cal PCS Po (0) [or (1), (2), (3), (4), or (5)] .......................................22
TN TX IF 11 dBm Set PCS Po ..................................................................................22
TN TX RF AGC PCS Po (0) [or (1), or (2)] ...........................................................22
TN TX Limiting Po Cell (or PCS) IS95, Low channel (or LowMid, MidLow, Mid,
MidHigh, HighMid, or High channel) .....................................................................23
TN TX Limiting Cell (or PCS) CDMA2000: Po ......................................................23
TS ACPR PCS- Low (High) ......................................................................................24
TN PA Detector PCS Po (0) [or (1), (2), (3), (4), (5), (6), or (7)] .........................25
TS ACPR Cell - Low .................................................................................................26
TN RX IF AGC RXdBCtr (0) [or (1) or (2)] ..........................................................26
TN LNA AMPS (or Cell or PCS) LowGain (or HighGain) LO (or LM, ML, MD,
MH, HM, HI) ...........................................................................................................27
Final UI test: Rho .......................................................................................................27
Final UI test: Frame Error Rate (FER) ......................................................................28
Final UI test: SINAD .................................................................................................28
Probing/Troubleshooting Tables and Diagrams .......................................................... 28
Transmitter Probing................................................................................................. 29
Receiver Probing ..................................................................................................... 34
RF Power Supplies .................................................................................................. 40
Probing Diagrams ................................................................................................... 41
APPENDIX A: Phoenix Instructions........................................................................... 45
To turn on the PCS or Cell CDMA transmitter....................................................... 45
Issue 1 11/2002 Nokia Corporation Confidential Page 3
NPD-1
Troubleshooting -- RF CCS Technical Documentation
To turn on the AMPS transmitter............................................................................ 46
To turn on the receiver only, in any mode .............................................................. 48
To verify a single, manual tuning............................................................................ 48
To adjust PDM values of AGCs and AFC .............................................................. 48
To read tuning values from the phone..................................................................... 49
To read RSSI and AGC PDM values from the phone............................................. 49
To load a PRL into the phone.................................................................................. 50
To change between Local and Normal modes ........................................................ 50
To add a baseband test tone to the AMPS transmitter ............................................ 51
APPENDIX B: Definitions .......................................................................................... 52
APPENDIX C: Block Diagrams .................................................................................. 53
APPENDIX D:
Descriptions of selected components, signaling, and architecture ........................ 58
Robin (N601) Key Features .................................................................................... 58
Robin (N601) Signaling .......................................................................................... 58
Batman (N701) Key Features.................................................................................. 59
Batman (N701) Signaling........................................................................................ 60
PA Key Features: Shark (N801, Cell) and Snapper (N802, PCS) .......................... 60
LNA/Downconverter (N750) Key Features............................................................ 60
APPENDIX E: AGC Algorithms................................................................................. 61
Page 4 Nokia Corporation Confidential Issue 1 11/2002
NPD-1
CCS Technical Documentation Troubleshooting -- RF
RF Troubleshooting
If TX power is low, turn on transmitter in local mode using Phoenix. Check: