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Motorola TDMA M3090 Service Manual

Digital wireless telephone
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Service Manual
Level III
™
DIGITAL WIRELESS TELEPHONE
TDMA M3090/M3097

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Summary of Contents for Motorola TDMA M3090

  • Page 1 Service Manual Level III ™ DIGITAL WIRELESS TELEPHONE TDMA M3090/M3097...
  • Page 2 Motorola. Furthermore, the purchase of Motorola products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any li-...

  • Page 4: About This Manual

    Model and Kit Identification DO NOT allow children to play with any radio equipment containing a transmitter. Motorola products are specifically identified by an overall model number on the FCC la- Mobile Operation (Vehicle Adaptor) bel. In most cases, assemblies and kits which...

  • Page 5: Portable/Mobile Telephone Use And Driving

    About This Manual TDMA M3090/M3097 lar telephone must be turned off to pre- vent any transmission. In standby mode, the mobile telephone will automatically transmit to acknowledge a call if it is not turned off. All equipment must be properly grounded according to installation instructions for safe operation.

  • Page 6: Specifications

    9 kHz deviation (nom.) @ 97 dB SPL input @ 1 kHz Receive Sensitivity -116 dBm for 12 dB SINAD (C-MSG weighted) Adjacent and Alternate -16 dB @ +30 kHz, -60 dB @ + 60 kHz Channel Desensitization Greater than 65 dB ©1999 Motorola, Inc.
  • Page 7 About This Manual TDMA M3090/T3097 Table 3. DAMPS System Function Specification π/4DQPSK Modulation Type Frequency Stability + 200 Hz Duty Cycle 32.3% Error Vector Magnitude Error Vector Magnitude [Digital] 12.5% (π/4DQPSK mode) Transmit Audio Sensitivity TOLR of –46 dB nominal...

  • Page 8: Table Of Contents

    TDMA (Time Division Multiple Access) ......................18 Digitization and TDMA ..........................18 Digitization of Voltage ........................... 19 Conventional Radio ............................19 TDMA Radio ..............................20 Accessories ..........................21 TDMA EASY NAM Programming ....................23 Introduction ..........................23 User Mode Programming ......................23 Programming Sequence ......................24 ©1999 Motorola, Inc.
  • Page 9 Table of Contents TDMA M3090/M3097 Enter Programming Mode ..........................24 Enter Security Code ............................. 24 Enter Phone Number ........................... 24 Programming a second No........................... 24 If you make a mistake ..........................24 TDMA Test Mode NAM Programming ..................25 Introduction ..........................25...
  • Page 10 Introduction ..........................59 Mechanical Explosion ......................59 General Description ........................61 Antenna Circuit ........................61 RX Front End ...........................61 NADC IC ..........................61 TX Operational Description .....................62 Power Amp Integrated 800 MHz or 1900 MHz IC ..............62 Analog TX Audio Processing ....................63 ©1999 Motorola, Inc.
  • Page 11 Table of Contents TDMA M3090/M3097 Digital TX Audio Processing .....................63 DSP Lucent 1629 ........................63 Stuart IC ...........................64 GCAP II ............................64 Section B Service Diagrams ........................B1 Antenna Circuit ........................B3 Down Converter ........................B5 ZIFSYNTH(U401) ........................B7 VCO ............................B9 TX Offset Oscillator .......................

  • Page 12: Cellular Overview

    (395 AMPS / 1185 NAMPS): 717 - 799 NOTE In NAMPS applications, each AMPS voice channel provides space for three NAMPS voice channels. Digital cellular multiplexes voice channels to allow for the possibility of several additional conversations on a single channel. ©1999 Motorola, Inc.

  • Page 13: Control (Data) Channels

    Cellular Overview TDMA M3090/M3097 Introduction are defined in Figure 1. The cellular radio frequency spectrum has been divided by the FCC into two equal seg- Originally the B Band was assigned to the ments or bands to allow two independent cel-...

  • Page 14: Voice Channels

    Voice channels are primarily used for con- with a total of 333 channels assigned to each versation, with signaling being employed as carrier. Prior to 1987 the FCC had allocated necessary to handle cell-to-cell hand-offs, 312 channels to voice (voice, DTMF, or data) ©1999 Motorola, Inc.
  • Page 15 NAMPS telephones. But one thing remained constant, there were 21 control channels for each carrier. In 1992, when Motorola tested its TDMA digi- tal product, digitizing three communication links on each of 395 voice channels, one thing remained constant: there were still 21 con- trol channels for each carrier.

  • Page 16: Analog Cellular

    Figure 3. Channel Assignments Refer to the Electronic Industries Association standard EIA-553 for a thorough discussion of AMPS signaling protocol, or to Motorola’ s NAMPS Air Interface Specification for NAMPS. The tones used in AMPS signaling are Sig- naling Tones and Supervisory Audio Tones.

  • Page 17: Sat (Supervisory Audio Tone) And Dsat (Digital Sat)

    Cellular Overview TDMA M3090/M3097 Analog Cellular the complement of the assigned DSAT. voice channel, it also informs the mobile of the SAT frequency or DSAT vector to expect on the new channel. The returned (D)SAT SAT (Supervisory Audio Tone) and DSAT...

  • Page 18: Analog Cellular Signal Summary (Amps And Namps)

    SAT in AMPS signaling. Figure 5. AMPS Deviation in kHz AMPS Deviation in kHz Control AMPS Voice Channels Channels ±14 ±12 ±10 ± 8 Audio Audio Data Data Signal ± 6 Data Tone ± 4 ± 2 ©1999 Motorola, Inc.

  • Page 19: Going Into Service

    Cellular Overview TDMA M3090/M3097 Analog Cellular Total deviation of two or more signals is cu- mulative. Step 5. Decision point. Can the overhead message from the strongest control channel be decoded? If not, go to Going into Service step 6. If it can be decoded go to step 8.*...
  • Page 20 Note: In order to turn off the NoSvc light, the overhead message stream 11. Idle [Rescan must have been decoded. after 5 minutes.] In those telephones with Motorola Enhanced Scan, more than two control channels are sampled before proceeding to step 12. ©1999 Motorola, Inc.

  • Page 21: Placing A Call (Mobile To Land Or Mobile To Mobile)

    Cellular Overview TDMA M3090/M3097 Analog Cellular phone then transmits data at the rate of 10 Placing a Call (Mobile to Land or Mobile to kilobits per second on the control channel to Mobile) notify the switch of its mobile identification...

  • Page 22: Receiving A Call (Land To Mobile)

    SAT (DSAT) to the cellular telephone. The cellular telephone tunes to the voice chan- nel, verifies the presence of the proper SAT frequency (DSAT message) and transponds the signal back to the cell site. At the cell ©1999 Motorola, Inc.
  • Page 23 Cellular Overview TDMA M3090/M3097 Figure 8. Land to Cellular Telephone Call Processing Switch / Cell Site Landline Network Cellular Telephone DATA The landline caller dials the The cellular telephone is Overhead data is sent out FOCC cellular telephone number. tuned to the on the control channels.

  • Page 24: Power Steps

    Otherwise the equipment telephone’ s signal strength. The site with should employ an error correction protocol. the strongest signal will be the site to which the call will be handed to if there are avail- able voice channels. ©1999 Motorola, Inc.
  • Page 25 Cellular Overview TDMA M3090/M3097 Figure 9. Cell Site Handoffs Switch / Cell Site Cellular Telephone Landline Network Conversation in progress. Conversation in progress. VOICE + (D)SAT The voice path is unmuted. The voice path is unmuted. FOVC & REVC The cell site monitors the cellular telephone's signal strength.

  • Page 26: Call Termination

    The cellular telephone rescans the access / paging channels DATA Overhead data sent out on for the strongest signal and FOCC the control channel. decodes data. The cellular & telephone responds to RECC requests for data. ©1999 Motorola, Inc.
  • Page 27 Cellular Overview TDMA M3090/M3097 ©1999 Motorola, Inc.

  • Page 28: Digital Cellular

    FDMA (Frequency Division Multiple person’ s vocal cords into varying voltages. If Access) an oscilloscope probe is connected to the out- put from a microphone, a varying voltage Frequency Division Multiple Access Figure 11. Digitizing Voice Time ©1999 Motorola, Inc.

  • Page 29: Tdma (Time Division Multiple Access)

    Cellular Overview TDMA M3090/M3097 Digital Cellular line, such as that shown in the accompany- audio. ing illustration, will be produced. TDMA (Time Division Multiple Access) If the varying voltages are sampled at some Time Division Multiple Access (TDMA) to- rate, the instantaneous voltages can be quan- day provides a times-3 increase in the num- tified.

  • Page 30: Digitization Of Voltage

    The quencies. The RF energy is beat against the result is a binary string representing volt- output from a local oscillator to produce a ages. We now have digital voice. difference frequency called the intermediate ©1999 Motorola, Inc.

  • Page 31: Tdma Radio

    Cellular Overview TDMA M3090/M3097 Digital Cellular frequency. The IF is processed in the IF strip, which provides filtering and amplification. A discriminator retrieves audio from the IF and the varying voltages of the audio are used to drive a speaker...

  • Page 32: Accessories

    • Retractable headset and connector provide easy storage. • Light weight. OVER-THE-EAR STYLE HANDS-FREE HEADSET ............SYN8146 • Enjoy simple hands-free operation. • Noise canceling microphone can reduce background noise. • High quality speaker helps ensure excellent voice quality. ©1999 Motorola, Inc.
  • Page 33 Accessories TDMA M3090/M3097 HANDS-FREE HEADSET (JEWEL CASE) ..............SYN7453 • Enjoy simple hands-free operation. • One-piece design integrates microphone and earpiece. • Convenient pocket-sized case for easy portability and storage. HANDS-FREE HEADSET (BLUE POUCH) ..............SYN6962 • Enjoy simple hands-free operation.

  • Page 34: Tdma Easy Nam Programming

    TDMA Easy NAM Programming Introduction User Mode Programming ©1999 Motorola, Inc.

  • Page 35: Programming Sequence

    TDMA Easy NAM Programming TDMA M3090/M3097 Programming Sequence Programming Sequence Press , carrier system ID (from your Cellular Service Enter Programming Mode Provider), . Phone displays " NAM 1 Prog * = Yes # = No". Press . Display prompts for Security Code "_ _ _ _ _ _".

  • Page 36: Tdma Test Mode Nam Programming

    Programming Status Display. Then enter 5 5 #. The phone Single NAM 1, 3, 4, 6, 9 will now be in Step 1 of the NAM. Dual NAM Enable Dual NAM 1, 3, 4, 6 Motorola Confidential Proprietary...

  • Page 37: Nam Data

    TDMA Test Mode NAM Programming TDMA M3090/3097 NAM Data ferent from Test Mode NAM programming NAM Data steps, and do not include all of the option bits available in Test Mode NAM programming. NAM Data is specified by the system opera- Access to User Mode NAM programming can tor.

  • Page 38: Test Mode Nam Programming Sequence

    TDMA M3090/3097 TDMA Test Mode NAM Programming Test Mode NAM Programming Sequence Advances to the next programming step; also programs the NAM after the last programming step is entered. Clears the entered information and displays previously entered data for the cur- rent programming step.
  • Page 39 TDMA Test Mode NAM Programming TDMA M3090/3097 Table 8: Test Mode NAM Programming Sequence (con’ t) 000000 Security code. A 6 digit number supplied by the user. This number is used by the user to access or change “ security” features such as the 3-digit unlock code or the service level.
  • Page 40 TDMA M3090/3097 TDMA Test Mode NAM Programming Table 8: Test Mode NAM Programming Sequence (con’ t) 0333 Initial A system channel. To initialize system A enter 0333. 0334 Initial B system channel. To initialize system B enter 0334. Dedicated Paging Channels. Number of dedicated paging channels is 21.
  • Page 41 TDMA Test Mode NAM Programming TDMA M3090/3097 Motorola Confidential Proprietary...

  • Page 42: Manual Test Mode

    Figure 19: “ Connections for PCS Testing” on When the Snd, End, or Clr button is pressed, page 38 shows the recommended test setup. the status information display resumes. The phone remains in Status Display Mode if the # key is pressed momentarily. Motorola Confidential Proprietary...

  • Page 43: Servicing Level

    Manual Test Mode TDMA M3090/M3097 Servicing Level Servicing Level The Servicing Level of Manual Test Mode allows service personnel to manually control operation of a phone by entering commands through the telephone keypad. Parameters such as operating channel, output power...
  • Page 44 TDMA M3090/M3097 Manual Test Mode Figure 17. Test Mode Status Display (Analog Mode) Status Display Line 1 Blank in Analog Mode RSSI Reading Blank in Analog Mode Channel Number Status Display Line 2 Transmit Audio Path (Voice Channel) SAT Frequency (voice channel)
  • Page 45 Manual Test Mode TDMA M3090/M3097 Figure 18. Test Mode Status Display (Digital Status Display Line 1 Blank 1900 Channel RSSI Reading Assignment Call Processing Mode 1 = DAMPS half rate, slot 1 800 Channel 2 = DAMPS half rate, slot 2...

  • Page 46: Test Procedures

    Checking and adjusting calibration 5. Inbound call, digital mode parameters is also useful as a troubleshoot- 6. Outbound call, digital mode ing/diagnostic tool to isolate defective assem- 7. Digital-to-Digital channel handoff blies. 8. Digital-to-Analog channel handoff ©1999 Motorola, Inc.

  • Page 47: Test Connections

    Test Procedures TDMA M3090/M3097 Test Connections Test Connections Figure 22. Connections for PCS Testing 83 20 6 A HP83206A T D M A CE L LU L A R A D A PT E R Back View RX TES T SIN A D 0.00011...

  • Page 48: Rf Cable Test

    Out port. At this point you will be get- ting some type of power reading for cable loss. Good range: -.2 dBm through -.8 dBm Bad cable: More than -.8 dBm Motorola Confidential Proprietary...

  • Page 49: Set Up For Analog Call

    Test Procedures TDMA M3090/M3097 Set up for Analog call Set up for Analog call Figure 21. Call Control Screen CALL CONTROL Select CALL CNTL from the To Screen Display Data / Meas Phone : 111-111-1111 Select System type: AMPS Active ESN (dec) : 156-4460397 •...

  • Page 50: Rx Sensitivity Test (Sinad)

    2. Narrow band SINAD can be measured by entering 571# and setting the FM Deviation to 3kHz. Refer to the RX troubleshooting section for radios not within the pass specifications. Motorola Confidential Proprietary...

  • Page 51: Tx Power Out Test

    Test Procedures TDMA M3090/M3097 TX Power Out Test TX Power Out Test Figure 23. TX Test Screen TX TEST Communications Analyzer Setup: FM Deviation TX Frequency 11.58 834.9900 • Select TX button from the Screen Control panel AF Freq Tx Power 27.49...

  • Page 52: Test Mode Commands

    6V level (output will go to the audio port) Test Mode Commands: 11333# Loads synthesizer to channel 122# Set power level to step 2 Turn on transmit carrier The frequency error measured on the communications analyzer must be less than ± 0.5 ppm Motorola Confidential Proprietary...

  • Page 53: Tx Maximum Deviation Test

    TDMA M3090/M3097 Test Procedures TX Maximum Deviation Test TX Maximum Deviation Test Figure 25. TX Test Screen Communications Analyzer Setup: DUPLEX TEST • Select DUPLEX button from the Screen Tx Frequency FM Deviation 11.58 -0.199 Control panel Tx Power • PWR is measured in dBm AF Freq 25.2...

  • Page 54: Tx Sat Deviation Test

    Enable 6000 Hz SAT tone View FM Deviation for the reading. The transponded peak SAT FM de- viation should be 1.9 kHz - 2.1kHz. The demodulated signal on the com- munications analyzer should have an audio frequency of 6000 Motorola Confidential Proprietary...

  • Page 55: Tx St Deviation Test

    Test Procedures TDMA M3090/M3097 TX ST Deviation Test TX ST Deviation Test Figure 27. TX Test Screen TX TEST Communications Analyzer Setup: FM Deviation TX Frequency 7.890 834.9900 • Select TX button from the Screen Con AF Freq trol panel Tx Power 27.49...

  • Page 56: Setting Up For Pcs Tdma Measurements

    US PCS Slot : CALL CNFG 2 Cntrl Order Pwr Lvl : - ANLG MEAS Amplitude SPEC ANL DVCC : - Send SMS -50.0 AUTHEN DIG MEAS ACELP MS Id Voc : - Phone Num 1111111111 More Motorola Confidential Proprietary...

  • Page 57: Setting Up For Pcs Tdma Measurements

    Test Procedures TDMA M3090/M3097 Setting up for PCS TDMA Measurements Setting up for PCS TDMA Measurements Figure 30. DCCH Call Configure II Screen DCCH CALL CONFIGURE II In the MS Capab field select PCS. Num Voice Temperature Compensate MS Capab...

  • Page 58: Set Up For Tdma Call

    If the registration message has been assigned voice channel. received, the Test Set will display registra- The connect annunciator will light if tion data in the upper half of the screen as the mobile properly signals the Test Set. Motorola Confidential Proprietary...

  • Page 59: Maho Measurements

    Test Procedures TDMA M3090/M3097 MAHO Measurements MAHO Measurements Figure 33. DCCH Call Configure Screen Setting up the MAHO measurement DCCH CALL CONFIGURE Country Code DCCH DVCC Select CALL CNFG from the CALL # Neighbors CONTROL’ s To Screen. Set the number of neighbors (up to 6)

  • Page 60: Ber Measurements

    800, 1 = 1900) BER should be displayed. Set power level to step 2 (122#) Turn on transmitt carrier (05#) The BER measured on the communications analyzer must be less than or equal to 2%. Motorola Confidential Proprietary...

  • Page 61: Tx Power Measurements

    Test Procedures TDMA M3090/M3097 TX Power Measurements TX Power Measurements Figure 36. Digital Measurements Screen Digital TX Power Out Test Procedure DIGITAL MEASUREMENTS DTC Meas Make sure the Test Set is in Active Avg Power Average Power 24.1898 mode. Select DIG MEAS from the To Screen.

  • Page 62: Tx Frequency Error Measurements

    800, 1 = 1900) Set power level to step 2 (122#) Turn on transmitt carrier (05#) The frequency error measured on the com- munications analyzer must be ±200Hz. You can also use Digital Call processing to make these measurements. Motorola Confidential Proprietary...

  • Page 63: Evm Measurements

    Test Procedures TDMA M3090/M3097 EVM Measurements EVM Measurements Figure 38. Digital Measurements Screen TX Frequency Error Measurement Test DIGITAL MEASUREMENTS DTC Meas Make sure the Test Set is in Active EVM 1 Frequency Error mode. 0.0081 3.9683 Select DIG MEAS from the To...

  • Page 64: Disassembly

    Many of the integrated circuit devices during the disassembly and reassembly of the used in this equipment are vulnerable to TDMA M3090/M3097 damage from static charges. An anti- static wrist band, connected to an anti- static (conductive) work surface, must be n Anti-Static Mat Kit (RPX-4307A);...

  • Page 65: Battery Removal

    Disassembly TDMA M3090/M3097 Battery Removal Battery Removal Turn off the telephone. While holding the phone firmly with one hand, use the index finger on the other hand to press the latch on the battery cover. Slide the cover back to release it from the phone.

  • Page 66: Antenna Removal

    Back Housing Removal Using a T7 Torx driver, unscrew the five torx screw that attach the back housing to the main body of the phone. Carefully lift the back housing and pull it off the main assembly. Motorola Confidential Proprietary...

  • Page 67: Transceiver Board Removal

    Disassembly TDMA M3090/M3097 Transceiver Board Removal Transceiver Board Removal While holding the phone firmly with one hand, use the thumb ,middle and index fingers of the other hand to care- fully separate the transceiver phone from the main assembly. Display Removal Using the tweezers, lift the clip that holds the flex cable in place.

  • Page 68: Keypad Removal

    Carefully lift the display away from the main board. Keypad Removal Lift the keypad from the front hous- ing using the thumb and index fingers. Speaker Removal Carefully pry off the speaker from the front housing using tweezers. Motorola Confidential Proprietary...
  • Page 69 Disassembly TDMA M3090/M3097 Motorola Confidential Proprietary...

  • Page 70: Parts List

    Parts List Mechanical Explosion Introduction The Mechanical explosion contains a table Motorola maintains a parts office staffed to of mechanical part numbers that may change process parts orders, identify part numbers, and otherwise assist in the maintenance and after publication of this manual. For an up- dated list of part numbers contact an AAD repair of Motorola Cellular products.
  • Page 71 Parts List TDMA M3090/M3097 Motorola Confidential Proprietary...

  • Page 72: General Description

    In 1900MHz mode, the receive signal is goes by an external pin. through a frequency doubler before getting mixed with the 1900MHz receive signal. This process allows the 1900MHz carrier fre- quency to be removed without the need of a second VCO. Motorola Confidential Proprietary...

  • Page 73: Tx Operational Description

    General Description TDMA M3090/M3097 TX Operational Description TX Operational Description The reference frequency source for the Main For the 800 Mhz band, the TX carrier fre- VCO is provided by a temperature controlled quency is generated by mixing the main VCO crystal oscillator.

  • Page 74: Analog Tx Audio Processing

    SAT processing is also performed in the Transmit Audio Circuitry. The D/A converts audio samples to an ana- log signal. This signal is then filtered and applied to the Analog Mod. Input of the syn- thesizer circuit Motorola Confidential Proprietary...

  • Page 75: Stuart Ic

    GCAP II GCAP II is intended to provide audio and The STUART chip is a device intended for power management functions for Motorola the following five functions. cellular telephone applications. GCAP II is composed of two die. The GCAP II contains The HPI module provides a bus intercon- •...
  • Page 76 Service Manual General Description Motorola Confidential Proprietary...
  • Page 77 General Description TDMA M3090/M3097 Motorola Confidential Proprietary...

  • Page 84: Service Diagrams

    Because of the sensitivity of RF, measured The service diagrams were carefully prepared readings will be greatly affected if they’ re to allow a Motorola certified technician to taken in certain locations. To get the most easily troubleshoot cellular phone failures.

  • Page 85: Antenna Circuit

    TDMA M3090/M3097: Antenna Circuit U704 RF Switch FL931 Antenna 800MHz 1900MHZ RF Connector FL930 Q104 TX_2.75 Q105 U104 800*_1900 800_1900* Description Two RF ports are designed in this transceiver; internal antenna port and RF connector port. The RF switch (U704) controls which antenna path is going to be used during operation.
  • Page 86 C113 C112 page B5 page B5 This manual is Motorola property. Copying or Band 800 1900 distribution strictly prohibited without prior written consent from Motorola and must be returned upon Internal External Antenna Motorola's request. 2.73V 2.78V .611V Motorola Confidential Proprietary...

  • Page 87: Down Converter

    TDMA M3090/M3097: Down Converter FL108 800*_1900 BAND_SW RX_800 FL140 U101 RX_IF DBLR_IN RX_1900 RX_2.75 FE_EN LO_CTL BUFF_VCO FL120 SW_QMOD_KEY Description The RX front end IC(U101) is used as a first amplifier and downconverter for dual-band RF applications. It removes the RX carrier frequency to produce the RX IF signal. U101 also has some internal LNAs for the receive signals and buffers for the VCO signals.
  • Page 88 Down Converter -9.27 dBm@Cellular -9.35 dBm@PCS This manual is Motorola property. Copying or 992.31MHz distribution strictly prohibited without prior written 1026.165MHz consent from Motorola and must be returned upon R307 Motorola's request. -26.8 dBm page B9 Motorola Confidential Proprietary 1940.01MHz...

  • Page 89: Zifsynth(U401)

    TDMA M3090/M3097: ZIF_SYNTH (U401) C401 AGC_RSSI RSSI LP_SWITCH Step Atten. U401 MAIN LOOP 2nd LO Shifter Offset VCO Offset LOOP U1000 DATA SPI BUS 8/16/96 BIT SPI BUS MODES DEMOD Demod Converter Ref Osc Filters RX_I 19.44MHz Description RX_Q U401(ZIF_SYNTH) can be divided into two functional subsystems: The ZIF (Zero-Intermediate-Frequency) which provides all of the functions of the back-end of a receiver, and the SYN (SYNthesizer) which contains phase-locked loops and modulators to produce t he Local Oscillator (LO) and modulated transmit carrier.
  • Page 90 TDMA M3090/M3097: ZIF_SYNTH (U401) This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. RX_SF Motorola Confidential Proprietary TX_SF -14.2 dBm@PCS -15 dBm@Cellular page B27 1026.165MHz 993.31MHz RX_PRE_IN RX_2.75V...

  • Page 91: Vco

    TDMA M3090/M3097: Q301A LP_SWITCH Filter Q301B Ckt. RX_SF U301 MAIN_LO VCO_STEER DBLR_IN VCO_FDBK Description U301 is the local oscillator module used to add frequency selectivity to the transceiver. The frequency of oscillation is dependent on the channel and band that the trans- ceiver will be operating in.
  • Page 92 This manual is Motorola property. Copying or Channel: 333 distribution strictly prohibited without prior written PCS VCO Freq: 1026.165MHz consent from Motorola and must be returned upon Motorola's request. Cellular VCO Freq: 993.31MHz VCO SIGNAL Motorola Confidential Proprietary VOLTAGE SUPPLIES Colored boxes represent the area in which the components are placed.

  • Page 93: Tx Offset Oscillator

    TDMA M3090/M3097: TX Offset Oscillator U201 CR503 Q502 TXCP_OUT U401 Loop TXCP_ADA ZIF-SYN Filter CR502 Tank LP_SWITCH U601 Q503 MERLIN TX 800*_1900 C506 U1903 Q551 VCO_FDBK Description The offset oscillator frequency is controlled by U401(ZIF/SYN) via TXCP_OUT. The operating frequency will depend on the dc biasing of CR502. The offset oscillator frequency is 157.32MHz in 800MHz mode, and 192.36MHz in 1900MHz mode and is controlled by 800*_1900.
  • Page 94 TDMA M3090/M3097: TX Offset Oscillator This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. Band 800 1900 Channel: 333 Cellular TX Input Freq: 157.32MHz Motorola Confidential Proprietary 2.1V 1.84V...
  • Page 95 TDMA M3090/M3097: MERLIN (U601) U601 1900 U101 Main VCO MERLIN FL620 U401 ZIFSYN Offset Osc XFMR601 U201 FL601 TX_I TX_Q TX_STEP AOC_CNTL 800*_1900 U1000 Description U601 is a TX modulator. It takes the TX information and modulates it on a carrier for RF transmission.
  • Page 96 This manual is Motorola property. Copying or 1859.97MHz distribution strictly prohibited without prior written Colored boxes represent the area in 992.31MHz consent from Motorola and must be returned upon which the components are placed. Motorola's request. Motorola Confidential Proprietary -9.35 dBm@1.9GHz 1027.13MHz...

  • Page 97: Amps Drivers

    TDMA M3090/M3097: Amp Drivers 800_KEY CR701-A Q230 800KEY* 800BIAS DRIVER_B+ Q711-A TX_800 TX_800 FL720 FL710 Q715 1900BIAS TXENABLE CR1561 1900_KEY CR701-B Q666 TX_2.75 PA_BIAS Q231 1900KEY* 800_CLAMP Q667 DRIVER_B+ 1900_CLAMP CR666 Q711-B TX_1900 Q830 TX_1900 Description After the desired transmit information is modulated with a TX carrier frequency, enough signal power needs to be provided for RF transmission through the antenna. The driver stage is used to relieve amplification of the final stage PA.
  • Page 98 TDMA M3090/M3097: Amp Drivers This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. 1900_KEY Motorola Confidential Proprietary R682 page B17 800_KEY R681 C833 page B17 1900KEY*...
  • Page 99 TDMA M3090/M3097: PA Circuit (1900 MHz) 800KEY PA_BIAS 800_ON Q668B 1900KEY PA_BIAS TL920 Q668A 1900BIAS TL931 DET_800_1900 U801 TL930 TX_1900 TX_1900 1900_CLAMP Q820 Description The final stage PA circuit provides the necessary amount of power for RF transmission through an antenna. U801 is a PA module that is capable of operating in the 1900MHz band digital mode.
  • Page 100 0V 1.54V Page B15 0V .98V 1900 TX ON TX OFF 3.90V 5.05V 1.13V This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. Motorola Confidential Proprietary...
  • Page 101 TDMA M3090/M3097: PA Circuit (800MHz) Q711-A 800_ON PA_A_D Q723 800BIAS Q721 800BIAS R723 U701 TL921 TX_800 TX_800 TL920 DET_800_1900 Load Load A_D SWITCH CR730 CR723 PA_A_D Q270 QMOD_KEY SW_QMOD_KEY SW_QMOD_KEY Q261 TX_2.75 Description Q260 A_D SWITCH The final stage PA circuit provides the necessary amount of power for RF transmission through an antenna. U701 is a PA module that is capable of operating in the 800MHz band under analog or digital mode.
  • Page 102 TDMA M3090/M3097: PA Circuit (800MHz) This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. 800_ON Q668 PIN 4 Motorola Confidential Proprietary Channel: 333 Page B17 TX Freq: 879.99MHz...

  • Page 103: Rf Detect

    TDMA M3090/M3097: RF Detect Circuit TX_STEP SW_QMOD_KEY Q902-A CR903 RF_DET DET_800_1900 TX_STEP TX_2.75 Q901 SW_QMOD_KEY Q902-B Q904 CR902 CR904 Description The RF detect circuit is used to detect the RF amplitude level of the TX signal. RF detect reports back to U201 (DCI) pin 31, using a dc level, for amplitude stabilization.
  • Page 104 CR901 Q901 TX_2.75 Page B27 SW_QMOD_KEY Q270 TX_STEP Page B19 U201 Pin17 This manual is Motorola property. Copying or Page B25 distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. Motorola Confidential Proprietary...

  • Page 105: Reference Oscillator

    TDMA M3090/M3097: Reference Oscillator OSC_DIS RX_2.75 Q151 Q152 19.44MHZ U150 RF_19.44MHZ Description The refere nce oscillator U150, operating at 19.44MHz, provides a "reference fre quency" fo r the RF synthesizers and various logic circuits. The OSC_DIS line which is controlled by U1000 (CPU) is used to turn off U150 during sleep mode. The OSC_DIS line switches Q151 on or off, controllin g the supply voltage to U150 and Q152.
  • Page 106 B39 L150 U201-29 page B25 Q152 C160 This manual is Motorola property. Copying or distribution strictly prohibited without prior written RF_19.44MHz consent from Motorola and must be returned upon Motorola's request. C414 page B7 Motorola Confidential Proprietary -10 dBm...
  • Page 107 TDMA M3090/M3097: DCI (U201) BLOCK DIAGRAM NOT NECESSARY REFER TO PAGE B25 Description The DCI (U201) is data converter interface between the DSP and the RF functions of a dual band T DMA transceiver. It incorporates the following functions: •...

  • Page 108: Dci(U201)

    TDMA M3090/M3097: DCI(U201) 0V 3.77V This manual is Motorola property. Copying or 2.75V 5.2Vpp@10kHz 440mV distribution strictly prohibited without prior written consent from Motorola and must be returned upon C513 Motorola's request. 2.76V page B11 Motorola Confidential Proprietary TX_I TX_QX...

  • Page 109: Gcap2(U1500)

    TDMA M3090/M3097: GCAP2 (U1500) BLOCK DIAGRAM NOT NECESSARY REFER TO PAGE B27 Description The GCAP2(U1500) provides the regulators and start-up functions for the entire radio. The GCAP2 contains the following hardware blocks: • On/Off control signals to properly activate the radio.
  • Page 110 B35 MAN_LVL R1008 page B35 RESET This manual is Motorola property. Copying or distribution strictly prohibited without prior written U1000 consent from Motorola and must be returned upon R1504 page B43 Motorola's request. C1508 TX_2.75 Motorola Confidential Proprietary R1514...

  • Page 111: Voltage Regulators

    TDMA M3090/M3097: Voltage Regulators BATT_SAV Q1571 2.75V Q1570 -10V CR1420 U1420 C1421 U1560 2.75V VDOUB CR1560 Description There are some circuits that require a voltage higher than the battery source. For this reason, a voltage doubling charge pump circuit is provided. U1560 takes the 2.75V source and oscillates it with a high peak to peak signal.
  • Page 112 Colored boxes represent the area in which the components are placed. BATT_SAV This manual is Motorola property. Copying or U201-16 distribution strictly prohibited without prior written consent from Motorola and must be returned upon page B25 Motorola's request. Motorola Confidential Proprietary 2.75V page B27 page B27 5.2Vpp@13.3kHz...
  • Page 113 TDMA M3090/M3097: B+ Disconnect / Driver B+ U1100 EXT_B+ EXT_EN Q1102-A Q1102-B EXT_B+ SW_EXT_B+ Q1100 Driver_B+ U1590 V_Buck Description The overvoltage circuit consist of a voltage detector (U1100) and a power switch(Q1100). A resistor divider network at the input of U1100 is used to set the EXT_B+ detect voltage to 9.2V nominal.

  • Page 114: B+ Disconnect/Driver B

    TDMA M3090/M3097: B+ Disconnect/Driver B+ This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. Motorola Confidential Proprietary EXT_EN U201-15 Ext B+ <9.2V >9.9V page B25 0V 3.48V 0V 9.89V...

  • Page 115: Charger

    Description The internal charger will be activated only when there is an external power source of 8.0V ± 0.4V for the fast charger, 7.05V ±0.35V for the midrate charger, a Motorola battery is attached, and BATT_FDBK is en abled. As SW_EXT_B+ passes thru R1566, U1500 (GCAP) reads the charge current f or proper con trol of the charger. CHRGC controls the rate of charge to the batteries by varying the gate biasing of Q1561.
  • Page 116 Colored boxes represent the area in which the components are placed. This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. CHG- Motorola Confidential Proprietary page B49...

  • Page 117: Audio/Data Communications

    TDMA M3090/M3097: Audio/Data Communications BLOCK DIAGRAM NOT NECESSARY REFER TO PAGE B35...
  • Page 118 This manual is Motorola property. Copying or PCS RX Input Freq: 1940.01MHz distribution strictly prohibited without prior written RX Input: -20dBm consent from Motorola and must be returned upon Motorola's request. RX SIGNAL Motorola Confidential Proprietary VOLTAGE SUPPLIES Colored boxes represent the area in J2-6 which the components are placed.

  • Page 119: Headset/Mic

    TDMA M3090/M3097: Headset/MIC HDST_SPKR AUX_OUT AUX_MIC 2.75V BOOM_MIC_DET Q1560 Description When a headset is inserted in J8, the internal speaker and microphone is disabled. The user can now use the headset for handsfree conversation. BOOM_MIC_DET informs U1000 whethe r a headset is inserted or not. The st ate of BOOM_MIC_DET is controlled by Q1 560.
  • Page 120 C1560 R1560 Headset On This manual is Motorola property. Copying or 0V 1.74V distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. 2.79V Motorola Confidential Proprietary 1.2Vpp Channel: 333 Cellular RX Input Freq: 879.99MHz...
  • Page 121 TDMA M3090/M3097: DSP (U1900) BLOCK DIAGRAM NOT NECESSARY REFER TO PAGE B39 Description The following list is a description of the DSP(U1900): • Digital Control channel • ROM Mask Device(48K) • Patch RAM space(16K) 1. Essentially DTC minus audio and vocoders •...

  • Page 122: Dsp(U1900)

    R1904 C1908 R1914 C1901 R1901 DSP_RST U1000 1.3Vpp 19.44MHz page B43 C153 page B23 This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. Motorola Confidential Proprietary...
  • Page 123 Host Port Emulation - This provides a bus interconnection between the call processor and the DSP via the call processor’ s parallel memory bus, interconnected to the modem DSP’ s parallel memory bus. This communications port is functionally identical to the host port provided for the Motorola DSP; To both devices, the port appears as a bus-mapped peripheral.

  • Page 124: Stuart(U1903)

    TDMA M3090/M3097: STUART(U1903) This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. VOLTAGE SUPPLIES Colored boxes represent the area in Motorola Confidential Proprietary which the components are placed.
  • Page 125 TDMA M3090/M3097: Call Processor (U1000) BLOCK DIAGRAM NOT NECESSARY REFER TO PAGE B43 Description U1000 is a single-chip microcontroller t hat controls major functions of the cellular phone. U1000 will perform the functions of both the master controller and keyboar d processor. These functions include: •...

  • Page 126: Call Processor(U1000)

    TDMA M3090/M3097: Call Processor(U1000) This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. Motorola Confidential Proprietary RAM_CS0 U1250 page B45 EE_CS FLASH_EN U1200 U1201 page B45...

  • Page 127: Memory

    TDMA M3090/M3097: Memory Q1200 R1201 U1200 Q1201 Description A serial EEPROM(U1201) of 256K bytes is used for storage of the NAM information, authentication keys, phasing data, ESN, and memory. The EEPROM serial inter- face to the microcontroller is a standard SPI-compatible interface.
  • Page 128 MEMORY This manual is Motorola property. Copying or distribution strictly prohibited without prior written VOLTAGE SUPPLIES consent from Motorola and must be returned upon Motorola's request. Colored boxes represent the area in which the components are placed. Motorola Confidential Proprietary...

  • Page 129: Keypad

    TDMA M3090/M3097: Keypad BLOCK DIAGRAM NOT NECESSARY REFER TO PAGE B47...
  • Page 130 Keypad This manual is Motorola property. Copying or VOLTAGE SUPPLIES distribution strictly prohibited without prior written consent from Motorola and must be returned upon Colored boxes represent the area in Motorola's request. which the components are placed. Motorola Confidential Proprietary...

  • Page 131: J7 Connector

    TDMA M3090/M3097: J7 Connector This manual is Motorola property. Copying or distribution strictly prohibited without prior written consent from Motorola and must be returned upon Motorola's request. Motorola Confidential Proprietary U1000 page B43 U1000 page B43 U1000 R1412 page B43 U1000 2.75V...

  • Page 132: Layout Side 1

    TDMA M3090/M3097: Layout Side 1 C1914 C833 C841 R670 C1916 Q212 C1902 C1905 C1903 C1906 C206 L831 U1420 CR701 CR1420 TP10 R834 L1552 U801 L999 FL601 Q830 C207 C1595 C835 TP15 R255 L832 R830 C808 TP18 C999 U1900 U1560 C1420...

  • Page 133: Layout Side 2

    TDMA M3090/M3097: Layout Side 2 TP11 R1012 C1005 C1004 DS1403 DS1402 TP11 C1536 C1535 R1001 C1251 R1552 R1553 R1011 R1008 VR1551 C1203 C1589 FI D2 R1032 R1031 R1421 C1521 R1404 C1522 C1524 C1512 C1523 C758 L783 C1513 C1514 C1510 Q1301...

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