CCS Technical Documentation RH-17 Series Transceivers Troubleshooting — RF Issue 1 04/2003 Confidential Nokia Corporation
RH-17 Troubleshooting — RF Page 2 CCS Technical Documentation Nokia Corporation Confidential Issue 1 04/2003
RH-17 Troubleshooting — RF CCS Technical Documentation Contents Page No RF Troubleshooting ....................................................................................................... 5 Test Steps .....................................................................................................................5 Troubleshooting Summary ..........................................................................................9 Tuning Description ................................................
RH-17 Troubleshooting — RF CCS Technical Documentation HighMid, or High) .......................................................................................... 36 Tests 111 - 115 TN AMPS PL3 (or 4, 5, 6, or 7) Po............................................... 37 Test 118 TN TX DC Offset Carrier Suppression.................................................... 37 Test 119 TN TX DC Offset Reference Power ........................................................
RH-17 Troubleshooting — RF CCS Technical Documentation RF Troubleshooting Test Steps Step Step Name: Low Limits: High Limits: Unit: 1 TS Initial Current 5 100 mA 2 BB Flash Phone Pass/FailTest MS Off state Current 10 100 uA 3 MS Local Mode Current 30 70 mA 4 Write Phone Information 5 ST DBUS 0 10 6 ST CBUS 0 10 ST MBUS TX/RX 0 0 7 ST Aux DA 0 10 8 ST Ear Data 0 10 9 ST Sleep X 0 10 10 ST TX I DP 0 10 11 ST TX Q DP 0 10 12 ST MFI Loopback 0 10 13
RH-17 Troubleshooting — RF CCS Technical Documentation 26 BB Cal ADC Offset -50 50 27 BB Cal ADC Vref 2.75 2.85 28 BB Cal BSI Gain 900 1100 29 BB Cal VBAT Gain 1.03 1.07 30 BB Cal VBAT Offset 2.4 2.6 31 BB Cal VCHAR Gain 5.7 6.3 32 BB Cal VCHAR Offset -0.2 0.2 33 BB Cal ICHAR Gain 400 450 34 BB Cal ICHAR Offset -50 50 35 BB Cal BTEMP Gain 2 2.
RH-17 Troubleshooting — RF CCS Technical Documentation 58 TN GnSwchPnts RF GD AMPS 0 100 59 TN GnSwchPnts Init RF GD CELL 25 44.99 60 TN GnSwchPnts RF GD CELL 0 100 61 TN TX Gain Comp CELL Po MD -8.25 -7.75 dBm 62 TN TX Gain Comp CELL Po LO -11.5 -4.5 dBm 63 TN TX Gain Comp CELL Po LM -11.0 -4.0 dBm 64 TN TX Gain Comp CELL Po ML -11.0 -4.0 dBm 65 TN TX Gain Comp CELL Po MH -10 -3 dBm 66 TN TX Gain Comp CELL Po HM -10 -2 dBm 67 TN TX Gain Comp CELL Po HI -13.
RH-17 Troubleshooting — RF CCS Technical Documentation 92 TN TX LIM Loops CELL IS2K ML 0 10 93 TN TX LIM Loops CELL IS2K MD 0 10 94 TN TX LIM Loops CELL IS2K MH 0 10 95 TN TX LIM Loops CELL IS2K HM 0 10 96 TN TX LIM Loops CELL IS2K HI 0 10 97 TS TX LIM MeasCount CELL 0 500 98 TS TX LIM TXdBCtr Delta CELL -32767 32767 99 TS TX LIM IS95 ADC CELL MD 550 850 100 TS ACPR CELL High Offset 44 75 dB 101 TS ACPR CELL Low Offset 44 75 dB 102 TS TX LIM Current CELL 600 10
RH-17 Troubleshooting — RF CCS Technical Documentation 126 TN LNA CELL LO LowGain -601 4289 127 TN LNA CELL LM LowGain -601 4289 128 TN LNA CELL ML LowGain -601 4289 129 TN LNA CELL MD LowGain 423 3777 130 TN LNA CELL MH LowGain -601 4289 131 TN LNA CELL HM LowGain -601 4289 132 TN LNA CELL HI LowGain -601 4289 133 TN LNA CELL LO HighGain 3475 8365 134 TN LNA CELL LM HighGain 3475 8365 135 TN LNA CELL ML HighGain 3475 8365 136 TN LNA CELL MD HighGain 4499 7853 13
RH-17 Troubleshooting — RF CCS Technical Documentation If Receiver is not working properly, turn on receiver in local mode using Phoenix and check: Page 10 1 Turn on receiver with Phoenix, inject a signal into the receiver. 2 Check the RSSI level and AGC PDM according to Table 8. 3 Perform a visual inspection of the PWB under a microscope to check proper placement, rotation, and soldering of components.
RH-17 Troubleshooting — RF CCS Technical Documentation Figure 1: RH-17 PWB bottom (general placement) Issue 1 04/2003 Nokia Corporation Confidential Page 11
RH-17 Troubleshooting — RF CCS Technical Documentation Figure 2: RH-17 PWB top (general placement) Page 12 Nokia Corporation Confidential Issue 1 04/2003
RH-17 Troubleshooting — RF CCS Technical Documentation Tuning Description Test 1 TS Initial Current Description Check initial current consumption at start-up to make sure phone is consuming correct amount of current. Explanation of Result Phones current consumption is measured and should be between 5mA and 100 mA. Manual Verification Check using Power Supply and Multimeter, example follows. Power Off phone and follow setup below to verify if phone’s current consumption is correct.
RH-17 Troubleshooting — RF CCS Technical Documentation VCORE - 1.50V @ C403 VIO - 1.8V @ C242 VANA - 2.8V @ C264 VFLASH1 - 2.8V @ C239 VR3 - 2.8V @ C256 • Check logic signals and clocks: Power_OnX @ R301 UEMint - 2.80 Vdc @ test point J405 PURX - 2.80 Vdc @ test point J402 SleepX - 1.80 Vdc @ test point J403 Clk 19M2_UPP-19.2MHz @ C524 SleepClk - 32.768kHz @ J404 Test 2 BB Flash Phone Description The purpose of this test is to verify that the phone software was downloaded at panel flash.
RH-17 Troubleshooting — RF CCS Technical Documentation 4 Next, try and flash phone using correct SW version. In Phoenix: Flashing>FPS-8 Flash>Press Flash. Next select OK from pop-up screen. Under next screen, Flash File Selection, choose Image File “set”. In correct directory where you store your flash files (usually programs, then Nokia, Phoenix, Flash) select correct Flash SW xxxxxxx.nep (if not sure what correct SW to use, file name should match SW in a known good phone.
RH-17 Troubleshooting — RF CCS Technical Documentation Explanation of Result Pass or Fail Manual Verification In Phoenix, put phone in Local Mode; next, BB Self Tests - select ST_UEM_CBUS_IF_TEST, then Run. Troubleshooting Connections tested at UPP: CBUSDA (pad G2) check test point J407, CBUSCLK (padG1) check test point J406, CBUSENX (pad F3) check test point J408. At UEM: CBUSDA (pad B7), CBUSCLK (pad A8), and CBUSENX (pad C8). Bus interface name is AUDUEMCTRL (3:0).
RH-17 Troubleshooting — RF CCS Technical Documentation ST_EAR_DATA_LOOP_TEST, then Run. Troubleshooting Connections tested at UPP: EARDATA (pad B6), MICDATA (pad A6), and at UEM: EARDATA (pad E2), MICDATA (pad F2). Bus interface name is AUDIODATA (1:0). Test 9 ST SleeepX Description The purpose of this test is to verify the Sleep connection between the UPP and the UEM is intact. This function tests the connection of pin_out and pin_in signals between UPP and UEM.
RH-17 Troubleshooting — RF CCS Technical Documentation (pad M2) and at UEM: RXID (pad C11), TXID (pad A12). Bus interface name is RFCONVDA (5:0). Test 11 ST TX Q DP Description To verify that the Tx/Rx Q lines between UPP and UEM are intact. Explanation of Result Pass or Fail Manual Verification In Phoenix, put phone in Local Mode. Next, BB Self Tests - select ST_TX_IQ_DP_LOOP_TEST, then Run. Troubleshooting Connections tested are CBUS see Test 7.
RH-17 Troubleshooting — RF CCS Technical Documentation Test 13 ST Sleep Clock Description The purpose of this test is to verify connections from 32kHz oscillator to the UEM, then from UEM to SleepClk to the UPP. Also tested is AFCOUT of the UEM to the VCTCXO, and from VCTCXO to RF clock to UPP are intact. UPP sets AFCR for UEM to set AFCOUT to mid range. Next, DSP will measure how many 19.2MHz clock cycles are present in 1024 cycles of the 32kHz clock.
RH-17 Troubleshooting — RF CCS Technical Documentation Test 15 ST Robin VHF PLL CELL Description This is one of the phone’s self-tests which gives either a pass or fail result. The VHFPLL is inside the Robin IC. The phone checks the VHFPLL’s lock detect bit. If this bit indicates that the PLL is unlocked, the test will fail.
RH-17 Troubleshooting — RF CCS Technical Documentation Record the TX signal power from the antenna connector using a spectrum analyzer centered at 836.52Mhz. (The self-test measures the power detector reading instead, but at the present time this cannot be done with Phoenix, therefore an easy way to check functionality without removing the covers is to check transmitted power. If the covers are removed, the voltage on PWR_OUT, at probing point J603 can be measured.
RH-17 Troubleshooting — RF CCS Technical Documentation in mind that if there is a short circuit on the board, then it will get hot very quickly. In Phoenix, go to ADC readings and verify Power Amplifier Temperature, ADC value will go down as Temperature goes up. Troubleshooting If the phone was recently transmitting in Cell band at full power for an extended period of time, it is probably hot for that reason. Let it cool down for a few minutes, then try again.
RH-17 Troubleshooting — RF CCS Technical Documentation (N701) in AMPS mode. Explanation of Result Use Batch Tuning window in Phoenix, select RF Tunings and check value. Manual Verification Use RF Tuning window in Phoenix, set mode to “self tune” and choose this tuning. Troubleshooting Check Batman (N701) and supporting components.
RH-17 Troubleshooting — RF CCS Technical Documentation age is at 2.80 Vdc. Baseband components D200, D400, and D450 are soldered and aligned correctly. NOTE: All BB calibrations must be performed whenever UEM (D200) is replaced. In other words, alignment is necessary at ATE. Test 28 BB Cal BSI Gain Description This baseband calibration teaches the ADC what a 68k ohms emerges at the BSI pin.
RH-17 Troubleshooting — RF CCS Technical Documentation cuit is used to form the voltage into the proper range. Explanation of Result The offset is a result of scaled value and global value determined in Test 26 and used to calculate VBAT Offset. Manual Verification In Phoenix, set phone to local mode then EM Calibration. Press read from phone. Troubleshooting Check Battery Connector X101, baseband components D200, D400, and D450 are soldered and aligned correctly.
RH-17 Troubleshooting — RF CCS Technical Documentation Troubleshooting: For production the VCHAR voltage is sent to galvanic pads on the PWB. Check for solder bridge on X104, fuse F100, L100, C106 and V100. Remember that this gain factor is determined using Test 26 as a reference, make sure it was within limits also. Test 33 BB Cal ICHAR Gain Description: This baseband calibration teaches the ADC what two different charger current inputs look like. Voltage input is at 6.
RH-17 Troubleshooting — RF CCS Technical Documentation Test 35 BB Cal BTEMP Gain Description Explanation of Result Manual Verification Troubleshooting Test 36 Test TX Start up Amplitude Limits [5,20] Description: This test turns on the AMPS transmitter and checks for the presence of a TX signal with an amplitude within a specified range. A wide range is allowed since the transmitter is not tuned yet. Explanation of Result: Amplitude of TX signal.
RH-17 Troubleshooting — RF CCS Technical Documentation as listed in Table 1 for AMPS Power Level 5. Read the phone's current on the power supply and check to see that it is within the limits. If the power supply does not display current draw, use a current meter in series with the phone. If the phone powers down when the mode is set, it may be that the phone is drawing more current than the current limit setting on the power supply.
RH-17 Troubleshooting — RF CCS Technical Documentation is present but tone at 836.52 MHz is not, troubleshoot CDMA TX chain as described in Tables 2 and 3. If the carrier is present but it cannot be centered, there is a hardware problem. Check Table 7. In the following procedure, performing frequency centering on the RF carrier at 836.
RH-17 Troubleshooting — RF CCS Technical Documentation PDM for TX IF AGC Range for output power, in dBm (a) +388 decimal -27.5 - 13.5 (b) +228 -8.0 - 6.0 (c) 163 6.5 - 20.5 (d) 0 6.5 - 20.5 PChange the TX_RF_AGC PDM to +511. Leave the TX_IF_AGC at 0 and the PA_AGC at +218. Measure the output power. Subtract this power from the power measured in (d) above. This is the RF_AGC gain delta. Leave the PA_AGC and TX_RF_AGC values as is, then enter the values listed below for the TX_IF_AGC.
RH-17 Troubleshooting — RF CCS Technical Documentation Test 46 - 51 TN PA AGC Cal Cell Po (0) [or (1), (2), (3), (4), or (5)] Description: These tunings model the cell PA gain curve by setting the PA AGC PDM to several values and measuring output power. First, the TX PA AGC and the TX RF AGC are set to (approximately) their maximum used values (not the maximum possible values, but the maximum of the range over which they are used).
RH-17 Troubleshooting — RF CCS Technical Documentation Troubleshooting: If the power readings are low, check the AGC voltages as in Table 1. You can also probe on the PA input as in Table 2 to find out if the power level is low going into the PA, or if the power level is correct going into the PA but the PA gain is too low. If the power level going into the PA is too low, probe the TX chain at all the other points prior to the PA listed in the table to see where the gain is lacking.
RH-17 Troubleshooting — RF CCS Technical Documentation the PDM signals. Check AGC PDM voltages according to Table 1. Test 61 - 67 TN TX Gain Comp Cell Po MD (or LO, LM, ML, MH, HM, or HI) Description for this and next tuning: This tuning ensures that the value of TxdBCtr correctly corresponds to the absolute TX output power. On the mid channel, with TxdBCtr set to a specified value, G_Offset is adjusted so that the output power is -8.
RH-17 Troubleshooting — RF CCS Technical Documentation Explanation of Result: The result is the value of G_Offset which gives -8.0 dBm transmitted power. Manual Verification: See previous tuning. This is the value of G_Offset needed to get -8 dBm on the center channel. Troubleshooting: If G_Offset is not within the limits, troubleshoot the Cell TX as described in the beginning of this document.
RH-17 Troubleshooting — RF CCS Technical Documentation Troubleshooting: If the maximum cannot be reached, either a component in the transmitter has too much loss, or not enough gain. Troubleshoot the Cell transmitter Table 2, with the phone set to the same channel as the failed channel.
RH-17 Troubleshooting — RF CCS Technical Documentation Test 100 -101 TS ACPR Cell - High(Low) Offset Description: ACPR (Adjacent Channel Power Ratio) is a measure of band power in the adjacent channel as compared to the tuned channel, so it is a power delta in dB. Band power is measured at the center tuned frequency and also at an offset lower (higher) than the center frequency, and the difference is ACPR. For this test, the offset is -0.9 MHz (+ 0.9 MHz).
RH-17 Troubleshooting — RF CCS Technical Documentation Manual Verification: Set the phone to local mode and turn on the AMPS transmitter to the channel which failed on Power Level 2. (adjusting for cable loss). Troubleshooting: Troubleshoot the cell transmitter as described in Table 2, setting the TX AGC values to those listed for Power Level 0 in Table 1. Tests 111 - 115 TN AMPS PL3 (or 4, 5, 6, or 7) Po Description: This procedure tunes power levels 3 through 7, all on the center channel.
RH-17 Troubleshooting — RF CCS Technical Documentation the RF Tuning window, using the below listed values until the minimum carrier maximum delta is found. Leave Q at 0. On the "values" line, you enter "I,Q". The values, in decimal, -560 -504 -448 -392 -336 -280 -224 -168 -112 -56 0 56 112 168 224 280 336 392 448 504 560 If the minimum is 35 dB or greater, the phone passes.
RH-17 Troubleshooting — RF CCS Technical Documentation Manual Verification: In Phoenix, use the RF Main Mode window to set the AMPS transmitter to channel 384. Using the PDM Control window, set the I and Q DC offsets to 0,0 by entering 0,0 in the "values" edit box. Center the transmit signal on the spectrum analyzer, set the span to 100 kHz. Lower the bandwidth so that the two sidetones can be differentiated from the carrier. Measure the amplitude of the sidetone at 20 kHz above the carrier.
RH-17 Troubleshooting — RF CCS Technical Documentation same amplitude on Batman output, therefore if the AGC value is larger than normal, then the AGC is compensating for loss in the chain prior to the variable gain amplifier. After checking RSSI and AGC value, if it is still necessary to probe to pinpoint the source of the error, use the AMPS probing Tables 9 through 11.
RH-17 Troubleshooting — RF CCS Technical Documentation Channel Cell MidLow 245 Mid 384 MidHigh 512 HighMid 660 High 799 Troubleshooting: Check Alfred and supporting components, reference Table 9. Final UI test: Rho Rho is a measure of CDMA transmit signal quality which encompasses other transmitter indicators such as phase error and magnitude error. Rho is measured with the phone in a phone call, and is read directly from the call box. Rho is measured with sector power = -75 dBm.
RH-17 Troubleshooting — RF CCS Technical Documentation Probing/Troubleshooting Tables When measuring CDMA transmit signals, if the spectrum analyzer does not have a CDMA personality card, then the CDMA signal power can be approximated by setting the Resolution Bandwidth to 1 MHz and using the marker. This is because CDMA signal power is measured by integrating power over a 1.23 MHz bandwidth, and the marker measures power at only one frequency. In most cases, probing is done in local mode (i.e.
RH-17 Troubleshooting — RF CCS Technical Documentation PDM value voltage PDM value voltag e Balun Out PDM value voltage connector typical v typical v dBm typical v dBm -409 0.17 -110 0.68 -15.2 +/- 3 dB -19 0.85 24.8 (PL0) -409 0.17 -92 0.72 -13.2 +/- 3 dB -123 0.67 23.7 (PL3) -409 0.17 -76 0.75 -15.4 +/- 3 dB -310 0.34 21.0 (PL4) -249 0.45 -66 0.77 -19.4 +/- 3 dB -330 0.31 16.3 (PL5) -104 0.70 -56 0.78 -22.4 +/- 3 dB -330 0.31 13.5 (PL6) 37 0.
RH-17 Troubleshooting — RF CCS Technical Documentation Robin (N601)out=Balun (T604) in TP2a and TP2b Nominal loss through Balun = 1 dB, but it will appear as 3-4 dB gain due to impedance difference. On Robin output you may see amplitude imbalance between 2 sides of probing point 2 due to impedance differences. N601 (ensure VREFRF02 is 1.35v as in TP17. Check AGC voltages/PDMs as in Table 1, T604, L604, L603, C640, C642, C907, N603 (including check for 3.
RH-17 Troubleshooting — RF CCS Technical Documentation UHF LO at 1009.62 MHz for channel 384 At N601 Robin TP20 Power approx.5 dBm. Measured with RF probe Check to see if LO is present. If no LO is present, check N601, C666, C519, C514, L501 and N502. Check regulator voltages VR2 and VR6 are at 2.78 Vdc. Proceed to Table 5 for further UHF LO troubleshooting. VHF LO at 346.
RH-17 Troubleshooting — RF CCS Technical Documentation Table 4: RF and DC probing for Power detector AMPS mode Power Level P_DET Power measured at L801 DC level measure at C807 PL2 -10.2 dBm 1.42 Vdc PL3 -11.5 dBm 1.57 Vdc PL4 -16.9 dBm 1.70 Vdc PL5 -19.7 dBm 1.83 Vdc PL6 -23.4 dBm 1.89 Vdc PL7 -27.9 dBm 1.94 Vdc PWROUT Dc level measured at J603 VCO Probing Table 5: UHF LO Troubleshooting UHF LO at 1009.
RH-17 Troubleshooting — RF CCS Technical Documentation Table 6: VCTCXO Troubleshooting VCTCXO G501 at 19.2 MHz TP30 AFC_Volt PDM [0]=2.2V [-1024]=1.4 [+1023]=3.1 Check supply voltage VR3 at G501 is at 2.7 Vdc, verify C520, R512 and C505. Control voltage AFC should be ~ 1.27 Vdc, check R511, R510, C503 make sure VR1A is present at 4.75 Vdc. Check AFC PDM control in local mode using Table 7 as a reference. CLK19M2_R TP29 19.2 MHz at amplitude of -24.0 dBm Check C513 CLK19M2_B TP32 19.
RH-17 Troubleshooting — RF CCS Technical Documentation Receiver Probing Table 8: Receiver PDM values PDM lower limit PDM upper limit PDM Mean PDM Mean voltage RX Power in AMPS ch 384 LowGain 2 102 55 0.98 -65 dBm AMPS ch 384 HighGain 127 215 173 1.19 -65 dBm CELL ch 384 LowGain -1 106 60 0.99 -65 dBm CELL ch 384 HighGain -119 -3 -64 0.
RH-17 Troubleshooting — RF CCS Technical Documentation Cell RX saw (Z751) out=Alfred (N750) mixer in TP37 Loss=1-3 dB through SAW filter Z751, N750, L757 and C758. UHF LO at 1009.62 MHz in Cell CDMA/AMPS for channel 384 TP38 Approx. -3 dBm Check to see if LO is present. If no LO is present, check L771, R505 and L520. Refer to Table 5 for additional UHF LO troubleshooting. Alfred (N750) Mix_Out= at 128.1 MHz Alfred (N750) IFA_In= TP39 Rx 1st IF at 128.1 MHz is usually -5.0 to –7.
RH-17 Troubleshooting — RF CCS Technical Documentation Batman (N701) out= UEM (D200) in TP45 TP46 TP47 TP48 Adjust input frequency at RF Test Set so it is offset by 20 kHz. Measure frequency amplitude and voltage peak-peak. Should be 20 kHz signal with 2.75 Vpp. RX_IF_AGCPDM value set to – 256. N701 (VR5, VR7, VIO, ensure 1.35v on VREFRF01 as in Table 11, also check RX_IF_AGC as in Table 11, R706, C704, R705, C706, R435, C428, C435.
RH-17 Troubleshooting — RF CCS Technical Documentation CDMA RX IF saw (Z753) out= Batman (N701) in TP46a TP47a You will measure a loss that is usually –15 to -17 dBm less than previous test point. Z753, N750 and supporting components L759, C770, C771, C772, L760, L761, N701 Batman (N701) out= UEM (D200) in TP45 TP46 TP47 TP48 Measure voltage peak-peak. RX_IF_AGC PDM value set to –256. N701 (VR5, VR7, VIO, ensure 1.
RH-17 Troubleshooting — RF CCS Technical Documentation AMPS Rx: Troubleshooting - RF - Main Mode, Band Cell(AMPS), Mode (Rx), Channel ?, Set. CDMA Rx: Troubleshooting - RF - Main Mode, Band Cell(CDMA), Mode (Rx), Channel ?, Set. AMPS Tx: Troubleshooting - DSP/MCU - AMPS Control - Tx Control , Set Channel ?, Power Level (0-7), Check Transmitter On, Execute. CDMA Tx: Troubleshooting - RF - Main Mode, Band Cell(CDMA), Mode (Rx/Tx), Channel ?, Set.
RH-17 Troubleshooting — RF CCS Technical Documentation Vibra Test: Set Local Mode First, Testing/Troubleshooting - Baseband Testing - Vibra Test, Vibra State to Enable, Vibra Intensity to ?. Phone Information: CDMA - Phone Information. Phone Settings: CDMA - Phone Settings. EM Calibration: Set Local Mode First, Testing/Troubleshooting - Baseband Testing - EM Calibration. To turn off Cell CDMA Transmitter Under the RF menu, choose Main Mode, which opens the dialog box shown below.
RH-17 Troubleshooting — RF CCS Technical Documentation Highlight "Rho" in the Functions field, and click Rho ON in the State field. Choose Cell in the Band field. Under Radio Configurationm choose the desired configuration. C2K is an abbreviation for IS2000. Click Execute. To turn on the AMPS transmitter Eventually, the method will be to use the RF Main Mode dialog box as shown above, choosing AMPS in the Band field.
RH-17 Troubleshooting — RF CCS Technical Documentation quency and will not respond to AGC PDM adjustment. If this is the case, manually disable the AFC and AGC using the DSP Memory dialog box that follows. Choose the"Data option in the Address Space field, type in the address, leave the Subcount entry at 1, then click the Add button. The address will then be displayed in the field in the lower half of the window. Use this method to enter in both the AFC Disable and AGC Disable addresses.
RH-17 Troubleshooting — RF CCS Technical Documentation To verify a single, manual tuning Open the RF Tuning window, shown below. The tuning descriptions at the beginning of this document describe the tuning and tell you what you need to enter, if anything, and what values will be returned to you from the phone, if any. According to these descriptions, choose Self-Tuning for self tunings, and RF Tuning for the others. Choose the appropriate test from the Tuning Names list.
RH-17 Troubleshooting — RF CCS Technical Documentation To read tuning values from the phone Open the Batch Tune dialog box, as shown below. To read the tuning values from the phone, click the Read All button under the Phone heading. However, in order for the tuning values to be displayed, you must first load the template file by clicking the Load File button under the Parameter File field. Ensure that the template file used is appropriate for the software version in the phone.
RH-17 Troubleshooting — RF CCS Technical Documentation To load a PRL into the phone Use the PRL dialog box as shown below. Click the Load PRL From File button, and choose the desired file, which will then appear in the list on the left side of the window. Highlight the desired file in the list so that it is blue, then click the Write PRL To Phone button. At the bottom of the dialog box, a status message will indicate if the file was loaded correctly or not.
RH-17 Troubleshooting — RF CCS Technical Documentation ware is running, and the phone will search for a pilot. To troubleshoot so that you can manually control the phone (not in a call), the phone should be in local mode. In local mode, the phone's software is not running and it will not search for a pilot. To switch between normal and local modes, use the Phone Control dialog box, shown next. This setting will be lost if the phone is powered down.
RH-17 Troubleshooting — RF CCS Technical Documentation APPENDIX B: Definitions ACPR: Adjacent Channel Power Ratio. A ratio of power at an offset frequency as compared to the power at the center frequency. ADC: Analog to Digital Converter AGC: Automatic Gain Control AFC: Automatic Frequency Control CW: Continuous Wave. This is a pure sine wave with no modulation such as CDMA or FM. DAC: Digital to Analog Converter dB: A power ratio. Formula is 10log(power1/power2).
RH-17 Troubleshooting — RF CCS Technical Documentation LO: Local Oscillator. This is a CW signal used to mix signals up or down to a different frequency. PA: Power Amplifier PDM: Pulse Density Modulation. This is used for control signals. The density of a stream of digital voltage pulses is varied proportionally to the desired control level, then it is converted to an analog voltage used as the control signal. PLL: Phase Locked Loop. Used in Synthesizer circuits to generate an LO.
RH-17 Troubleshooting — RF CCS Technical Documentation Radio Portion of Phone Front Panel Page 62 Nokia Corporation Confidential Issue 1 04/2003
RH-17 Troubleshooting — RF CCS Technical Documentation Measure 2.
RH-17 Troubleshooting — RF CCS Technical Documentation Robin View TP3 TP6 TP4 TP2a TP2b TP20 TP14 TP27 TP15 TP16 TP17 Page 64 Nokia Corporation Confidential Issue 1 04/2003
RH-17 Troubleshooting — RF CCS Technical Documentation Alfred View TP35 TP52 TP36 TP37 TP39 TP38 TP53 TP40 TP43 TP44 Issue 1 04/2003 TP49 Nokia Corporation TP45a TP45b Confidential TP45 TP46 TP47 TP48 Page 65
RH-17 Troubleshooting — RF CCS Technical Documentation TP18 (pin 1) Vbat on N801.
RH-17 Troubleshooting — RF CCS Technical Documentation Back Panel test points TP9 TP1a TP1b TP1c TP1d Issue 1 04/2003 Nokia Corporation Confidential Page 67
RH-17 Troubleshooting — RF CCS Technical Documentation TP12 TP51 TP10 TP11 TP13 Page 68 Nokia Corporation Confidential Issue 1 04/2003
