Nokia NSM-9DX Troubleshooting Instructions

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NSM-9DX Series Transceivers
Troubleshooting Instructions
¤Nokia Corporation
Issue 1 10/02

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Summary of Contents for Nokia NSM-9DX

  • Page 1 NSM-9DX Series Transceivers Troubleshooting Instructions ¤Nokia Corporation Issue 1 10/02...
  • Page 2 Troubleshooting Instructions CCS Technical Documentation This page left intentionally blank. ¤Nokia Corporation Page 2 Issue 1 10/02...
  • Page 3: Table Of Contents

    AM suppression tuning ....................85 RF Service Tools......................87 MJS-46 Module Jig ....................87 JVB-1 Docking Station, MJF-6 Adapter and coupler CPL-9 ........87 Coupler attenuation calibration ..................87 Functionality Testing Limits ..................87 JXS-1 Shield Box ......................88 ¤Nokia Corporation Issue 1 10/02 Page 1...
  • Page 4 CCS Technical Documentation ¤Nokia Corporation Page 2 Issue 1 10/02...
  • Page 5 NSM-9DX Series Transceivers Baseband Troubleshooting Instructions ¤Nokia Corporation Issue 1 10/02...
  • Page 6 Fig 39 X300 PIN 2: XCS, UPP (D400 pin C7) -> LCD CONNECTOR (X300 pin 2)..30 Fig 40 X300 PIN 4: SDA, UPP (D400 pin B6) -> LCD CONNECTOR (X300 pin 4) ..31 ¤Nokia Corporation Page 4 Issue 1 10/02...
  • Page 7 Fig 49 Flash Faults.......................40 Fig 50 Phone is jammed.......................42 Fig 51 Charging Faults ......................44 Fig 52 SIM Card ........................45 Fig 53 Audio Faults ......................46 Fig 54 Display faults......................50 Fig 55 Keypad Faults ......................53 ¤Nokia Corporation Issue 1 10/02 Page 5...
  • Page 8: Transceiver Troubleshooting

    CCS Technical Documentation Transceiver Troubleshooting Baseband Troubleshooting PWB Points (and Measurement Points) The following figures are the most needed test points in the NSM-9DX transceiver. Figure 1: Picture of top test points See FM Radio Troubleshooting for information on FM-radio. ¤Nokia Corporation...
  • Page 9 VCORE 1.8 V programmable regulator output UEM (D200) -> UPP (D400) C221 VR1A 4.75 V RF regulator output UEM (D200) -> HAGAR (N600) C222 2.78 V regulator output UEM (D200) -> HAGAR (N600) ¤Nokia Corporation Issue 1 10/02 Page 7...
  • Page 10 FBUS transmitted data, see Figure 12, “J396 PAD 2: FBUSTX (during J396 PAD 2 FBUSTX flashing), UEM (D200 pin N5) -> SERVICE INTERFACE (J396 PAD 2),” on page 17 (during flashing) UEM (D200) -> SERVICE INTERFACE ¤Nokia Corporation Page 8 Issue 1 10/02...
  • Page 11 UPP (D400) -> UEM (D200) FBUS received data, see Figure 25, “J412: FBUSRX (during flashing), UEM J412 FBUSRX (D200 pin C7) -> UPP (D400 pin E4),” on page 24 (during flashing) UEM (D200) -> UPP (D400) ¤Nokia Corporation Issue 1 10/02 Page 9...
  • Page 12 J484 JTDO UPP (D400) -> TESTPOINT J485 JTClk_ret UPP (D400) -> TESTPOINT J486 JTClk UPP (D400) -> TESTPOINT J487 EMU0 UPP (D400) -> TESTPOINT J488 EMU1 UPP (D400) -> TESTPOINT J489 Ground point ¤Nokia Corporation Page 10 Issue 1 10/02...
  • Page 13 X101 PIN 2 BTEMP Battery temperature BATTERY CONNECTOR (X101) -> UEM (D200) X101 PIN 3 Battery size indicator BATTERY CONNECTOR (X101) -> UEM (D200) X101 PIN 4 Battery ground BATTERY CONNECTOR (X101) -> PHONE GROUND ¤Nokia Corporation Issue 1 10/02 Page 11...
  • Page 14 Keyboard backlight current, see Figure 43, “X303 PIN 2: KEYB_LIGHT, X303 PIN 2 KEYB_LIGHT BACKLIGHT CIRCUITRY (V300 pin 6) -> UI CONNECTOR (X303 pin 2),” on page 33 BACKLIGHT CIRCUITRY (V300) -> UI CONNECTOR (X303) ¤Nokia Corporation Page 12 Issue 1 10/02...
  • Page 15 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 3: C660: RFCLK (26 MHz), VCTCXO (G660 pin 3) -> HAGAR (N600 pin H1) Figure 4: J1: RESET, UPP (D400 pin D12) -> HAGAR (N600 pin E3) ¤Nokia Corporation Issue 1 10/02 Page 13...
  • Page 16 Baseband Troubleshooting Instructions CCS Technical Documentation Figure 5: J2: RFBUSDA, UPP (D400 pin F12) -> HAGAR (N600 pin E1) Figure 6: J3: RFBUSCLK, UPP (D400 pin G11) -> HAGAR (N600 pin E2) ¤Nokia Corporation Page 14 Issue 1 10/02...
  • Page 17 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 7: J3: RFBUSCLK (closer look), UPP (D400 pin G11) -> HAGAR (N600 pin E2) Figure 8: J4: RFBUSEN1, UPP (D400 pin G13) -> HAGAR (N600 pin D1) ¤Nokia Corporation Issue 1 10/02 Page 15...
  • Page 18 CCS Technical Documentation Figure 9: J386: SIMDATA, UEM (D200 pin B2) <-> SIM CARD READER (X386 pin 4 Figure 10: J387: SIMRST, UEM (D200 pin A2) <-> SIM CARD READER (X386 pin 2) ¤Nokia Corporation Page 16 Issue 1 10/02...
  • Page 19 Figure 11: J388: SIMCLK, UEM (D200 pin B3) <-> SIM CARD READER (X386 pin 3) Figure 12: J396 PAD 2: FBUSTX (during flashing), UEM (D200 pin N5) -> SERVICE INTERFACE (J396 PAD 2) ¤Nokia Corporation Issue 1 10/02 Page 17...
  • Page 20 J396 PAD 3 FBUSRX (during flashing), SERVICE INTERFACE (J396 PAD 3) -> UEM (D200 pin P5) Figure 14: J396 PAD 7: MBUS (during flashing), UEM (D200 pin M6) <-> SERVICE INTERFACE (J396 PAD 7) ¤Nokia Corporation Page 18 Issue 1 10/02...
  • Page 21 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 15: J402: PURX, UEM (D200 pin C10) -> UPP (D400 pin K2) Figure 16: J403: SLEEPX, UEM (D200 pin B11) -> UPP (D400 pin L1) ¤Nokia Corporation Issue 1 10/02 Page 19...
  • Page 22 Baseband Troubleshooting Instructions CCS Technical Documentation Figure 17: J404: SLEEPCLK, UEM (D200 pin D9) -> UPP (D400 pin H3) Figure 18: J405: UEMINT, UEM (D200 pin A10) -> UPP (D400 pin J2 ¤Nokia Corporation Page 20 Issue 1 10/02...
  • Page 23 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 19: J406: CBUSCLK, UEM (D200 pin A8) -> UPP (D400 pin G1) Figure 20: J407: CBUSDA, UEM (D200 pin B7) <-> UPP (D400 pin G2) ¤Nokia Corporation Issue 1 10/02 Page 21...
  • Page 24 Baseband Troubleshooting Instructions CCS Technical Documentation Figure 21: J408: CBUSENX, UEM (D200 pin C8) -> UPP (D400 pin F3) Figure 22: J409: MBUSTX (during flashing), UPP (D400 pin E3) -> UEM (D200 pin C6) ¤Nokia Corporation Page 22 Issue 1 10/02...
  • Page 25 Baseband Troubleshooting Instructions Figure 23: J410: MBUSRX (during flashing), UEM (D200 pin D6) -> UPP (D400 pin D3) Figure 24: J411: FBUSTX (during flashing), UPP (D400 pin F1) -> UEM (D200 pin A7) ¤Nokia Corporation Issue 1 10/02 Page 23...
  • Page 26 Baseband Troubleshooting Instructions CCS Technical Documentation Figure 25: J412: FBUSRX (during flashing), UEM (D200 pin C7) -> UPP (D400 pin E4) Figure 26: J413: DBUSCLK, UEM (D200 pin D10) -> UPP (D400 pin K3) ¤Nokia Corporation Page 24 Issue 1 10/02...
  • Page 27 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 27: J414: DBUSDA, UEM (D200 pin A11) <-> UPP (D400 pin L3) Figure 28: J415: DBUSENX1, UEM (D200 pin B10) -> UPP (D400 pin J3) ¤Nokia Corporation Issue 1 10/02 Page 25...
  • Page 28 Baseband Troubleshooting Instructions CCS Technical Documentation Figure 29: J416: EXTWRX (during flashing), UPP (D400 pin N9) -> FLASH (D450 pin A6) Figure 30: J417: EXTRDX, UPP (D400 pin L7) -> FLASH (D450 pin C10) ¤Nokia Corporation Page 26 Issue 1 10/02...
  • Page 29 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 31: J419: FLSCLK, UPP (D400 pin N12) -> FLASH (D450 pin A4) Figure 32: J420: FLSCSX, UPP (D400 pin N6) -> FLASH (D450 pin B9) ¤Nokia Corporation Issue 1 10/02 Page 27...
  • Page 30 Baseband Troubleshooting Instructions CCS Technical Documentation Figure 33: J700: TXP, UPP (D400 pin D11) -> HAGAR (N600 pin D5) Figure 34: R301: PWRONX, POWER BUTTON (S300) -> UEM (D200 pin P7) ¤Nokia Corporation Page 28 Issue 1 10/02...
  • Page 31 Figure 35: R305: KLIGHT, UEM (D200 pin F3) -> BACKLIGHT CIRCUITRY (V300 pins 2,3,5 and V301 pins 2,5,6) Figure 36: R420: RFCLK (13 MHz), HAGAR (N600 pin E4) -> UPP (D400 pin M5) ¤Nokia Corporation Issue 1 10/02 Page 29...
  • Page 32 Figure 37: X100 PIN 9: VIBRA, UEM (D200 pin G3) -> SYSTEM CONNECTOR (X100 pin 9) Figure 38: X300 PIN 1: XRES (startup), UPP (D400 pin A7) -> LCD CONNECTOR (X300 pin 1) ¤Nokia Corporation Page 30 Issue 1 10/02...
  • Page 33 Baseband Troubleshooting Instructions Figure 39: X300 PIN 2: XCS, UPP (D400 pin C7) -> LCD CONNECTOR (X300 pin 2) Figure 40: X300 PIN 4: SDA, UPP (D400 pin B6) -> LCD CONNECTOR (X300 pin 4) ¤Nokia Corporation Issue 1 10/02 Page 31...
  • Page 34 CCS Technical Documentation Figure 41: X300 PIN 5: SCLK, UPP (D400 pin C6) -> LCD CONNECTOR (X300 pin 5) Figure 42: X300 PIN 8: VOUT, LCD CONNECTOR (X300 PIN 8) -> C301 and C302 ¤Nokia Corporation Page 32 Issue 1 10/02...
  • Page 35: Troubleshooting Steps

    7 Charging fault The first thing to do is carry out a through visual check of the module. Ensure in particu- lar that: a) there are no mechanical damages b) soldered joints are OK. ¤Nokia Corporation Issue 1 10/02 Page 33...
  • Page 36: General Instructions

    (use FBUS driver when using DAU-9S and COMBOX driver when using FPS-8). Note! If a “No power” problem is found, please check the A-cover fit. For more information see sec- tion Assembly & Disassembly Instructions of NSM-9DX Service Manual, page 9. PROGRAMMING FLASH Fails in Programming Flash -Start: •...
  • Page 37 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 44: Flashing with Phoenix. Figure 45: Error code in “Prommer Tool” window. ¤Nokia Corporation Issue 1 10/02 Page 35...
  • Page 38 IDs received from the target phone." A387 “Wrong MCU ID” "The MCU ID in the FIASCO_MCU_ID_INFO block of the MCUSW file doesn’t match with the ID received from the target phone.” ¤Nokia Corporation Page 36 Issue 1 10/02...
  • Page 39 (C684-during programming) C585 Data block handling timeout" Flash C685 (C585-during erasing) (C685-during programming) Signals between UPP and Flash C586 "The status response from the Flash C686 phone informs about fail." (C586-during erasing) (C686-during programming) ¤Nokia Corporation Issue 1 10/02 Page 37...
  • Page 40 Figure 46: Top Phone totally Phone is dead dead Flash programming Flash doesn´t work faults Phone doesn´t start up or Phone is the phone is jammed jammed Charging Charger doesn´t work TOP 2 ¤Nokia Corporation Page 38 Issue 1 10/02...
  • Page 41 CCS Technical Documentation Baseband Troubleshooting Instructions Figure 47: Top2 TOP 2 Phone doesn´t read card SIM card Audio Audio faults faults Display or LEDs Display faults don´t work Keypad Keypad doesn´t work faults ¤Nokia Corporation Issue 1 10/02 Page 39...
  • Page 42 < 50 mA? programming OK? Flash faults Phone current is ~ 54 mA? Check BSI line, X101, C241, Is phone in Change R203, C109, and LOCAL mode? R202. Are they Repair retest ¤Nokia Corporation Page 40 Issue 1 10/02...
  • Page 43 Flash programming from change UEM. testpoint J411. Is it high (1.8 V)? Change The phone does not set Change Flashbus TXD line low after the line has been high? Flash faults page 2 ¤Nokia Corporation Issue 1 10/02 Page 41...
  • Page 44 Flash faults page 2 Wrong Change manufacturer ID and device ID? Flash Is the phone Phone is totally dead? dead Phone doesn´t start up Phone is or the phone is jammed jammed? Retest ¤Nokia Corporation Page 42 Issue 1 10/02...
  • Page 45 C660. If OK -> from R420. Is it change G660. Check R420 and C420. If OK -> change N600. Measure PURX signal from testpoint J402 Change UEM Is it high (1.8 V)? Jammed Page 2 ¤Nokia Corporation Issue 1 10/02 Page 43...
  • Page 46 Is it OK? testpoint J412. Is it OK? Measure Retest. FBUSTX signal during Is it OK? Change UPP phone info read from testpoint J411. Is it OK? Change RM8 module Change UEM ¤Nokia Corporation Page 44 Issue 1 10/02...
  • Page 47 Read Check BTEMP value. X101,C109 Compare it to R202, C240, ambient temperature. R203, and line. Is it ~ 25ْC (0319)? Remove F100 (fuse) and Change UEM measure current. Is it ~ 350...390 Retest ¤Nokia Corporation Issue 1 10/02 Page 45...
  • Page 48 If still wrong VSIM Is it 3 V? voltage -> change UEM. Check SIM lines. Check SIM If OK -> change R388. power UP sequence. If still fail -> change UEM. Is it OK? Change ¤Nokia Corporation Page 46 Issue 1 10/02...
  • Page 49 UEM. Check L106, C112, R161, C163, R166, Measure MICB2 C165, R167, voltage from XMICP and line. pads (L106). If OK -> Is it ~ 2.2 V? change UEM. Audio faults 2 Earpiece 2 ¤Nokia Corporation Issue 1 10/02 Page 47...
  • Page 50 Measure sine signal Measure sine signal Change from UEM (R156). from earpiece pads. Is it ~ 130 mVp-p? Is it ~ 880 mVp-p? Check R156, C153, C155, R166, R167, Retest C163, R161, and line. ¤Nokia Corporation Page 48 Issue 1 10/02...
  • Page 51 MICP pads. C168, C166, Is it ~ 2.1 V? C215, and line. If OK -> change UEM. Check C151, R157, C105, C154, and line. If OK -> change UEM. Audio faults 3 ¤Nokia Corporation Issue 1 10/02 Page 49...
  • Page 52 3100 Hz and strength e.g. 5. Then set volume on. Measure buzzer control Change signal from (C307). buzzer Is it 3.1 kHz (B301). pulses? Check C306, C307, C308, and line. If OK -> change UEM. ¤Nokia Corporation Page 50 Issue 1 10/02...
  • Page 53 Is it OK? Check control signal line. If OK -> change UEM. Measure LEDs’ control signal KLIGHT from R305 Check R305, (UEM side). V300, V329, Is it LOW? and line. Display faults 2 ¤Nokia Corporation Issue 1 10/02 Page 51...
  • Page 54 Is it OK? Check control signal line. If OK -> change UEM. Measure LEDs’ control signal KLIGHT from R305 Check R305, (UEM side). V301, V329, Is it LOW? and line. Display faults 3 ¤Nokia Corporation Page 52 Issue 1 10/02...
  • Page 55 UEM. Measure Check C302, VOUT voltage. X300, and lines. Is it ~ 8.1 V? Check X300 Measure and lines. XRES and XCS. If OK -> Are they ~ 1.8 V? change UPP. ¤Nokia Corporation Issue 1 10/02 Page 53...
  • Page 56 If OK -> Is it high? change UEM. Measure voltage from S300 Phone is Check S300. when it is pressed. dead Is it OK? Is it high? Change S300 Phone is jammed Keypad faults 2 ¤Nokia Corporation Page 54 Issue 1 10/02...
  • Page 57 -> change UPP. Check ROW0-4 When any lines and X303. UI-module key is pressed, are the LEDs If OK -> change turned on? Z301. If still fail -> change UPP. Keypad Display faults 3 faults ¤Nokia Corporation Issue 1 10/02 Page 55...
  • Page 58 UPP. Check S302 and COL4 line. If OK -> change Z301. Measure If still fail -> COL4 from S302 change UPP. when S302 is pressed. Is there a 50 us pulse? Change UPP ¤Nokia Corporation Page 56 Issue 1 10/02...
  • Page 59 NSM-9DX Series Transceivers RF Troubleshooting Instructions ¤Nokia Corporation Issue 1 10/02...
  • Page 60: Rf Troubleshooting

    If TP9 and TP26 are OK, PA is probably broken -> Change PA N700. 9 Check 1880 MHz at TP30. If not OK, check TP28. Also check TP 29 squarevawe 2.8 Vpp at burst mode. If TP28 and TP29 are OK, change Z500 (antenna switch) ¤Nokia Corporation Page 58 Issue 1 10/02...
  • Page 61: Phone Settings For Rx1900 Troubleshooting

    OK, check TP7 2.8 VDC and TP41 ~2.9VDC. If TP41 is 4.8 VDC, the VCO doesn't probably work. If all HAGAR input signals are OK, then HAGAR is probably broken -> change Hagar N600. 9 If all signal and voltage levels are OK -> change UEM. ¤Nokia Corporation Issue 1 10/02 Page 59...
  • Page 62: Measurement Points For Ams And Production Repair

    Marker 1 [T1] -105.38 dBm VBW 50 Hz 10 dBm 35 dB SWT 2.5 s 26.000500000 MHz 1 PK VIEW Center 26 MHz 100 Hz/ Span 1 kHz Comment A: TP63 Date: 4.APR.2002 10:09:44 ¤Nokia Corporation Page 60 Issue 1 10/02...
  • Page 63 Marker 1 [T1] -1.75 dBm VBW 200 kHz 1.879929487 GHz 10 dBm 35 dB SWT 2.5 ms 1 PK VIEW Center 1.88 GHz 200 kHz/ Span 2 MHz Comment A: TP63 Date: 4.APR.2002 10:31:24 ¤Nokia Corporation Issue 1 10/02 Page 61...
  • Page 64 RBW 50 kHz -60.65 dBm VBW 200 kHz 1.881000000 GHz 10 dBm 35 dB SWT 2.5 ms 1 PK VIEW Center 1.88 GHz 200 kHz/ Span 2 MHz Comment A: TP63 Date: 4.APR.2002 11:27:31 ¤Nokia Corporation Page 62 Issue 1 10/02...
  • Page 65 CCS Technical Documentation RF Troubleshooting Instructions TP 26:V pctrl 1900 TP27: ¤Nokia Corporation Issue 1 10/02 Page 63...
  • Page 66 RBW 50 kHz -59.13 dBm VBW 200 kHz 1.879000000 GHz 10 dBm 35 dB SWT 2.5 ms 1 PK VIEW Center 1.88 GHz 200 kHz/ Span 2 MHz Comment A: TP63 Date: 4.APR.2002 11:43:27 ¤Nokia Corporation Page 64 Issue 1 10/02...
  • Page 67 Marker 1 [T1] -59.52 dBm VBW 200 kHz 1.879000000 GHz 10 dBm 35 dB SWT 2.5 ms 1 PK VIEW Center 1.88 GHz 200 kHz/ Span 2 MHz Comment A: TP63 Date: 4.APR.2002 11:40:53 ¤Nokia Corporation Issue 1 10/02 Page 65...
  • Page 68 -76.94 dBm VBW 200 kHz 3.759000000 GHz Ref -9 dBm 20 dB SWT 2.5 ms 1 PK VIEW -100 Center 3.76 GHz 200 kHz/ Span 2 MHz Comment A: TP63 Date: 4.APR.2002 11:14:26 ¤Nokia Corporation Page 66 Issue 1 10/02...
  • Page 69 VBW 30 kHz Ref -20 dBm 5 dB SWT 5 ms 1.960000000 GHz 2 AP VIEW -100 -110 -120 Center 1.96 GHz 50 kHz/ Span 500 kHz Comment A: TP63 Date: 4.APR.2002 09:32:09 ¤Nokia Corporation Issue 1 10/02 Page 67...
  • Page 70 VBW 30 kHz 1.960000801 GHz Ref -20 dBm 5 dB SWT 5 ms 1 AP VIEW -100 -110 -120 Center 1.96 GHz 50 kHz/ Span 500 kHz Comment A: TP63 Date: 4.APR.2002 09:33:27 ¤Nokia Corporation Page 68 Issue 1 10/02...
  • Page 71 CCS Technical Documentation RF Troubleshooting Instructions TP37 BURST MODE: RX I/Q TP37 CONT MODE: RX I/Q ¤Nokia Corporation Issue 1 10/02 Page 69...
  • Page 72 RF Troubleshooting Instructions CCS Technical Documentation TP 51,52,53, 1900 MODE ¤Nokia Corporation Page 70 Issue 1 10/02...
  • Page 73 = VCO/VCTC XO = TX850 = TX1900 = RX850 = RX1900 = VOLTAGE = DATA TP34 TP 4 TP 5 TP36 TP 1 TP 8 TP37 TP33 TP35 TP37 TP68 TP32 TP10 TP11 TP52 TP41 TP67 TP40 TP53 TP51 TP64 TP66 TP20 TP65...
  • Page 74 = VCO/VCTCXO = TX850 = TX1900 = RX850 = RX1900 = VOLTAGE = DATA TP60 TP24 TP27 TP26 TP21 TP51TP53 TP41 TP25 TP22 TP61 TP12 TP52 TP30 TP34 TP28 TP33 TP40 TP37 TP31 TP02 TP35 TP04 TP20 TP11 TP63 TP62 TP36 TP32 TP29...
  • Page 75: Fm Radio Troubleshooting

    , 98,200 MHz - Deviation, ∆ f, 75 kHz - Modulating frequency f , 1,000 kHz (RF generator internal) Note 2. Use 10x probe. Compare measured RF signal level to a known good product. ¤Nokia Corporation Issue 1 10/02 Page 73...
  • Page 76 Test again with 87.5 and 108.0 MHz. Measure audio from J371 Are both cases Change Z357 and check R359. Measure signal from Change N356. Measure signal from J371. Is it OK retest in Change radiomodule FLALI ¤Nokia Corporation Page 74 Issue 1 10/02...
  • Page 77: Rf Tuning And Calibration Instructions

    • Span: 0 Hz • RBW/VBW: 3 MHz • Sweeptime 5 ms • Ref Level +30 dBm • Trigger: Video Note: Remember cable and test fixture attenuation. 1 Start the Phoenix service software ¤Nokia Corporation Issue 1 10/02 Page 75...
  • Page 78 2 Scan product (Ctrl +R) should automatically detect NSM-9. If product is not found, choose product manually. 3 Phoenix should initialize connection automatically. If not initialize the connec- tion manually for FILE –Manage connections -menu. ¤Nokia Corporation Page 76 Issue 1 10/02...
  • Page 79 CCS Technical Documentation RF Troubleshooting Instructions 4 Change operating mode to Local: 5 Select Tuning from maintenance – menu and choose TX power level tuning. ¤Nokia Corporation Issue 1 10/02 Page 77...
  • Page 80 +/- 0.5 dBm +/- 1 dBm +24.0 +/- 0.5 dBm +/- 1 dBm +22.0 +/- 0.5 dBm +/- 1 dBm +20.0 +/- 0.5 dBm +/- 1 dBm +18.0 +/- 0.5 dBm +/- 1 dBm ¤Nokia Corporation Page 78 Issue 1 10/02...
  • Page 81: Tx Iq Tuning

    New tuning values will be in use immediately. 10 Close TX tuning window TX IQ tuning Spectrum analyzer setting for TX IQ tuning: • Frequency: 1880MHz • Span: 200kHz • RBW/VBW: 10kHz • SweepTime: • RefLevel: +20dBm ¤Nokia Corporation Issue 1 10/02 Page 79...
  • Page 82 1 Select Tuning from Maintenance –menu bar and choose TX IQ Tuning. 2 Load tuning values from Product and Start –tuning. Adjust tuning values so that IQ spectrum is balanced (see example picture below, data ‘ ¤Nokia Corporation Page 80 Issue 1 10/02...
  • Page 83: Rx Tunings

    When changing any RX components, all RX tunings need to be done. 1 Channel select filter 2 RX tuning GSM1900 (gain step A1 … A9 tuning) 3 AM suppression GSM1900 (to minimize AM signal disturbance) Equipment needed for RX tuning: ¤Nokia Corporation Issue 1 10/02 Page 81...
  • Page 84: Channel Select Filter Calibration

    (Steps 1 and 2) 2 Select Tuning from Maintenance –menu bar and choose RX Channel Select fil- ter Calibration. 3 Load tuning values from phone. 4 Use Auto Tune to calibrate Channel Select filter. ¤Nokia Corporation Page 82 Issue 1 10/02...
  • Page 85: Rx Tuning Gsm1900

    After tuning, select Stop and save the values onto the phone. 5 Close the Rx Channel Select Filter Calibration window. RX tuning GSM1900 1 Select Tuning from Maintenance –menu bar and choose RX Calibration. 2 Start Manual tuning with PM Setting. ¤Nokia Corporation Issue 1 10/02 Page 83...
  • Page 86 RF Troubleshooting Instructions CCS Technical Documentation 3 Choose Calibrate and adjust signal generator accordingly. 4 Stop and Save new calibration values to phone. --> Close Rx Calibration window. RX Calibration limits: ¤Nokia Corporation Page 84 Issue 1 10/02...
  • Page 87: Am Suppression Tuning

    RSSI 6 RSSI 7 RSSI 8 Check AFC_slope 1000 Check AFC_value -500 AM suppression tuning 1 Select Tuning from Maintenance –menu bar and choose RX Am Suppression. 2 Start tuning with PM settings. ¤Nokia Corporation Issue 1 10/02 Page 85...
  • Page 88 3 Adjust signal generator accordingly and Tune. 4 Stop and save values to phone. --> Close Rx Am Suppression window. Rx Am Suppression limits: LOP_I 1023 LOM_I 1023 LOP_Q 1023 LOM_Q 1023 RSSI -120 ¤Nokia Corporation Page 86 Issue 1 10/02...
  • Page 89: Rf Service Tools

    TX power may vary to some degree. TX power levels 14 and 15 should be ignored, as the coupler’s response is not reliable. The following table lists the TX output power toler- ances, when CPL-6 is used for measuring: ¤Nokia Corporation Issue 1 10/02 Page 87...
  • Page 90: Jxs-1 Shield Box

    • Temperature +25 °C (77 °F) • NOKIA 6590 Cellular Phone • NOKIA JXS-1 Shield Box • NOKIA JBV-1 Docking station with antenna coupler (1900 MHz) • RF-Attenuation for MJF-6 and cable is 4.5dB ¤Nokia Corporation Page 88 Issue 1 10/02...
  • Page 91 Power 30 dBm Channel AMS-Box Coupler Figure 4: Phase error RMS P h a s e e r r o r R M S C h an n e l B ox C oupler ¤Nokia Corporation Issue 1 10/02 Page 89...
  • Page 92 661 and additional 2.5 dBm loss in added to Reference level offset, so that total RF attenuation caused by JXS-1 shield box and CPL-6 Adapter is 6.5 dBm+ cable loss. ¤Nokia Corporation Page 90 Issue 1 10/02...

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