Motorola V120e Service Manual
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Motorola V120e Service Manual

Motorola V120e Service Manual

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Service Manual Level 3
Motorola V120e
CDMA 800/1900/AMPS 800
1

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Summary of Contents for Motorola V120e

  • Page 1 Service Manual Level 3 Motorola V120e CDMA 800/1900/AMPS 800...
  • Page 2 Motorola, except for the normal non-exclu- sive, royalty free license to use that arises by operation of law in the sale of a product.

  • Page 3: Table Of Contents

    RFT3100 ......19 TX ST Deviation Test ....39 © 2002 Motorola, Inc.
  • Page 4 Side 1 A13 ..... . . 97 V120E -AGPS Testing Procedure ..48 Side 2 A13 ..... . . 98 Replacement Parts .

  • Page 5: Product Description

    Product Description 120e Personal Communications Sector V 120e W/AGPS V120e IC description: 1. 1.Qualcomm IC’s: — MSM5100 V 120e is same as V120X in — PM1000 functionality except that it also has the — RFR3300 Assisted Global Positioning System. — IFR3000 AGPS helps in 911 emergency calls to track —...

  • Page 6: Cdma Dual Band Trimode Phone

    — 120X due to lower cost chipset can support data rates of 153.6kbps down/9.6kbps up. 5. 120X is similar to V.120C in looks, form factor, housing and accessories. There are a number of key enhancements added to the design. © 2001 Motorola, Inc.

  • Page 7: Key Product Features

    Product Description 120e KEY PRODUCT FEATURES 120X AUDIO LOGIC ICs — Higher data rates — Stylish and sleek design that fits perfectly Brief IC functional description: in your hand for optimal comfort 1. Qualcomm Baseband IC is used in 120e —...

  • Page 8: Cdma-Pcs 1900 Mhz Band

    Product Description 120e CDMA-PCS 1900 Mhz BAND Performance specification: General Frequency and channel information: Channel No., Frequency (Mhz), Frequency (Mhz) The 1900 MHz band is split into 6 blocks(ABCDEF) of channels. usually only Channel No. Frequency Frequency (Mhz) (Mhz) one block is used in a given geographic area. There are no “standard”...
  • Page 9 Product Description 120e Table 1: Specifications Function Specification Frequency Range 1850 to 1910 MHz(tx), 1930 to 1990(RX) RF Channel Bandwidth 1.25 MHz Channels 46 (Channel number spaced at an increment of-25, beginning channel, #25 lowest frequency and ending channel number 1175 highest frequency) Duplex Spacing 80 MHz...
  • Page 10 Product Description 120e Specifications CDMA 800 MHz Channel Numbering General information: The 800 MHZ CDMA channel numbering evolved from the Amps analog system which shares the same spectrum. The Amps channel spacing is 30 KHz, because the CDMA signal BW=1.25 MHz, the actual CDMA signal must be spaced every 41 channels (41*30 KHZ = 1.23MHZ) In a dual-mode system, CDMA signals would...
  • Page 11 Product Description 120e Overall System CDMA 800MHz Table 2: Function Specification Frequency Range 824.04 - 848.97 MHz Tx, Channels 1 to 799, f = 0.03 * N+ 825 MHz Channels 990 to 1023, f = 0.03(N—1023) + 825 MHz 869.04 - 893.97 MHz Rx Channels 1 to 799 is f = 0.03 * N+ 870 MHz Channels 990 to 1023, f...

  • Page 12: Environmental

    Product Description 120e Table 3: Environmental Function Specification Temperature Range Operational -30 C to +60 C (-22 F to +140 Storage -55 C to +85 C (-67 F to +185 Thermal Shock -40 C to +85 C (-40 F to +185 meets Mil.

  • Page 13: Foreward

    Model and Kit Identification repair of Motorola Cellular products. Orders Motorola products are specifically identified by an for all parts should be sent to the Motorola overall model number on the product label. In most International Logistics Department at the fol-...

  • Page 14: General Safety Information

    Product Description 120e General Safety Information CAUTION Mobile Operation (Vehicle Adaptor) Do not jump start vehicle or use an automotive battery charger while the As with other mobile radio transmitting equipment, vehicle adapter option portable radiotelephone users are advised that for satisfactory operation of connected to the vehicle electrical the equipment and for the safety of personnel, it is system, as this may cause serious...

  • Page 15: Cellular Overview

    With • Variable rate vocoder. CDMA, unique digital codes, rather than sepa- rate RF frequencies or channels are used to • Soft hand off. differentiate subscribers. ©2002 Motorola, Inc.

  • Page 16: Hypothetical Cell System

    120e Cellular Overview Hypothetical Cell System Service Area Operation The area within which calls can be placed and In Figure 1: “Hypothetical Cell System”, the area received is defined by the system oper-ator. bounded by bold lines represents the total (Because this is a radio system, there is no exact coverage area of a cellular system.

  • Page 17: Circuit Description & Theory Of Operation

    Audio Features: Echo cancellation for VREG_RF_RX 2.90V handset, head set and “hands free kit” appli- cations, Audio AGC, Voice Recognition (2) VREG_RF_TX 2.90V Qualcomm PM1000 (vs CCAP in V.120C) is a very simple power management IC with no © 2002 Motorola, Inc.

  • Page 18: Rf Section

    Circuit Description & 120e Theory of Operation • Dual band VCO/PLL module and Cellular and Semtech SC801 Charger Controller: PCS PA’s Charging algorithm is controlled by this IC, it is more of a hardware control than soft- • RFR3300 is a tri-band/quad mode ware control.

  • Page 19: Ifr3000

    Circuit Description & 120e Theory of Operation THEORY OF OPERATION RFT3100: Baseband to RF transmit pro- cessor, it features the following: RECEIVER SECTION • Full upconversion form Analog Baseband to RF TX The receiver section occupies a frequency • Integrated I/Q Modulator, IF VCO/ band of 869 Mhz to 894 Mhz in cellular band PLL, SSB Upconverter, VGA, and and a frequency band of 1930Mhz to...

  • Page 20: Transmitter Section

    Circuit Description & 120e Theory of Operation IFR IC to MSM for decoding etc. REQUENCY SYNTHESIZER SECTION TRANSMITTER SECTION The frequency synthesizer uses VC-TCXO- Digital signal is applied in 8 bit to RFT3100 19.2Mhz as reference frequency. 19.2 Mhz is IC, the MSM output I and Q signals one by input to the frequency synthesizer as refer- one and each of these signals passes the digi-...

  • Page 21: Receiver Audio

    Circuit Description & 120e Theory of Operation Table 6: FREQUENCIES AMPS VCO The received QPSK data is gain controlled 2105.28 to 2155.14 and converted to digital, the Rx data stream is then decoded by the CSP inside the MSM to produce a signal containing only the CELLULAR 2105.28 to 2155.14 desired data.

  • Page 22: Audio Logic Block Diagram

    V120e 800/1900 CDMA 1XRTT / 800 AMPS Charging System Alert MSM5100 Removable Mobile Station Modem PM1000 Li Ion Battery HK ADCs Pack LDOs RTC/XO GP ADC DISPLAY LED SINK St. Mach Txcvr Battery w/ Pwr-on Voltage Regulator KEYBRD LED SINK...

  • Page 23: Rf Side Block Diagram

    Circuit Description & 120e Theory of Operation RF SIDE BLOCK DIAGRAM 3/1/02...
  • Page 24 Circuit Description & 120e Theory of Operation This Page is intentionally left blank. 3/1/02...

  • Page 25: Disassembly Procedure

    - Wrist Band 4280385A59 - Plastic Prying Tool SLN7223A assemble the unit, the procedure is the reverse of that previously completed for disassembly. - Rear Housing Removal Tool - Dental Pick - Tweezers - T6 Torque Screw Driver © 2002 Motorola, Inc.
  • Page 26 Disassembly Procedure 120e Rear Housing Removal: Using a Torx (T-6) screw driver unscrew all the 6 screws. Gently remove the Rear Housing as shown. Board Removal: The six screw bosses hold the board in place. Remove the board as shown. Board Removal 3/1/02...
  • Page 27 Disassembly Procedure 120e Display Removal: The elastomeric on the display makes contact with the power contacts on the PCB. The two locating pins on the display are aligned and the four holding tabs are grabbing the board. Make sure you release the tabs and gently lift the display.
  • Page 28 Disassembly Procedure 120e Mylar Installing Tool Mylar Located in between the pins Accoustic Gasket, Power Button, VR Button Volume Buttons and Display Gasket Button Removal: Contacts All of the above accessories are placed in their respective places and are easily removable. Cutouts Mylar Placed on the Board 3/1/02...

  • Page 29: Product Support Tools

    120e PRODUCT SUPPORT TOOLS FLASHING/FLEXING/NAM PROGRAM- MING V120e is a Qualcomm chipse based and it About Junior board operation: uses the 17 pin CE Bus Connector which uses the RS232 & USB communication protocols. The V 120e will support both USB & Serial following are the hardware and software require- communication.

  • Page 30: Junior Box Setup

    120e Product Support Tools SYN8400A – JUNIOR BOARD JUNIOR BOX SETUP 0109742L73 Wibu key 0109742L73 Wibu key FRONT FRONT SKN6304B SKN6304B CE BUS CABLE CE BUS CABLE SERIAL CABLE Cable SKN6315A BACK BACK Data Head SYN0279A SPN4029A SPN4029A POWER SUPPLY Transformer Transformer 4.2 V...

  • Page 31: Test And Phasing

    Product Support Tools 120e TEST AND PHASING Gate 24 supports the testing and phasing of V120x product, For more details on Test and Phasing contact International Service Engineering ISE- CDMA 4/4/02...

  • Page 32: Test Procedure

    Good range: -.2 dBm through -.8 dBm Bad cable: More than -.8 dBm If the reading you are getting shows gain (posi- tive number,)you may need to zero the power meter. This may happen on an HP8924 whose Motorola Confidential Proprietary...

  • Page 33: Set Up For Analog Call

    If the mobile responds, you will see theAccess annunciator light briefly. Answer the call by raising the flip or press SEND on the mobile to start the con- versation. The Connect annunciator lights. This is the Connect state. Motorola Confidential Proprietary...

  • Page 34: Rx Sensitivity Test

    Sinad measured on the communications analyzer must be more than 12dB. Duplex SINAD can be measured with the same setting “SET_RF_PWR to lv 2 and turn “CARRIER” on using RadioComm, which turns on the transmitter at power step 2. Motorola Confidential Proprietary...

  • Page 35: Tx Power Out Test

    Power Step 225dBm - 29dBm Power Step 321.5dBm - 25.5dBm Power Step 417.5dBm - 21.5dBm Power Step 513.5dBm - 17.5dBm Power Step 69.5dBm - 13.5dBm Power Step 75.3dBm - 9.5dBm Note: When taking measurements, remem- ber to compensate for cable loss. Motorola Confidential Proprietary...

  • Page 36: Tx Frequency Error Test

    RadioComm Test Procedure) - Suspend Radio - Load synthesizer to channel 350 - Set power level to step 2, - Turn on Carrier The frequency error measured on the communications analyzer must be less than ±1 kHz. Motorola Confidential Proprietary...

  • Page 37: Tx Maximum Deviation Test

    - Set power level to power step 2, - Turn on Carrier - Select External TX audio path - Unmute TX Audio path - Turn on compandor View FM Deviation for reading. TX Maximum Deviation Pass Specifica- tions: 9.8 kHz - 12 kHz Motorola Confidential Proprietary...

  • Page 38: Tx Mode Commands

    - Enable 6000 Hz SAT tone View FM Deviation for the reading. The transponded peak SAT FM deviation should be 2 kHz ±200 The demodulated signal on the communi- cations analyzer should have an audio fre- quency of 6000 Motorola Confidential Proprietary...

  • Page 39: Tx St Deviation Test

    View FM Deviation for reading. The peak ST deviation measured on the communications analyzer should be 8 kHz ±800 Hz deviation. The demodulated signal on the communi- cations analyzer should have an audio fre- quency of kHz. Motorola Confidential Proprietary...

  • Page 40: Set Up For Cdma Call

    Option 001 (duplexed voice mode). 4.Set the Data Type to echo. This will allow you to speak into the phone under test and hear the voice quality echoed in the phone via the CDMA link from the HP 8924C. Motorola ConÞdential Proprietary...

  • Page 41: Making A Cdma Phone Call

    When the mobile answers with an access vated. probe, the access probe indicator is activated. 3.The phone will now ring, or indicate on its display there is an incoming call. Motorola ConÞdential Proprietary...

  • Page 42: Set Up For Cdma Rf Parametric Measurements

    03 (voice EVRC), 2.Return to the CDMA Call Control screen. along with service option 09 and service option 32768 for 14.4 vocoder type phones. 3.Change the Traffic Data Mode to Service Option 002. Motorola ConÞdential Proprietary...

  • Page 43: Making A Receiver Sensitivity Measurement

    Arm field. Press the knob to start the measure- need to enter three parameters: Max Frames, ment. Confidence, and FER Spec. 4.Enter 10,000 into the Max frames field. This sets an upper bound to the time limit of the test. Motorola Confdential Proprietary...

  • Page 44: Receiver Test Termination

    HP 8924C detects that the measured FER will fail the user entered FER specification with the specified confidence level, the test is halted and the Failed indicator is activated. This feature eliminates wasted time testing phones that are clearly failing the test. Motorola Confdential Proprietary...

  • Page 45: Cdma Transmitter Tests

    Note: TM Rho (Test Mode Rho) only works with phones that have Test Mode functionality. Now switch back to the RX Test screen. Notice that the FER test continued to run while you were making TX measurements. Motorola Confdential Proprietary...

  • Page 46: Cdma Transmitter Power Range Test

    Note: If “always down” is selected, the phone will step its power down until the call is lost. If power control is changed, be sure to return it to “closed-loop” before proceeding onto the next test. Motorola Confdential Proprietary...

  • Page 47: Fer With Awgn Tests

    Meas Cntl field. 4.Under these conditions, a CDMA phone should meet 0.5% FER with 95% confidence. Standards specify other tests for other rates. These can be performed by changing the Data Rate and Traffc level to the specifed settings. Motorola Confdential Proprietary...

  • Page 48: V120E -Agps Testing Procedure

    This document is intended for field service center to verify whether GPS is working not for field return units and reworked units. Since the V120E does not have a 50 ohm direct connection for GPS test, alternative methods are proposed here to test the GPS functionality 2.Brief description of GPS implementation on V120E...
  • Page 49 If the difference of strength is within a limit**, then test phone has good GPS functionality Note: * please refer to V120E field test guide for instruction ** The test limit is not yet established. ***words in color are either actual info displayed on screen or actual software...

  • Page 60: Troubleshooting

    Logic / RF assembly is replaced. tive parts/assemblies. Defective circuit boards should be forwarded to the appropriate Motorola For general repairs which do not include service facility for repair. Refer to the “Replace- replacing the Logic/RF assembly, simply placing ment Parts”...

  • Page 61: No Turn On - Debug Procedure

    120e Product Support Tools TROUBLESHOOTING not present check L650 and replace Y650 Remember to remove R3000 – zero ohm resistor The goal in trouble shooting is to quickly nar- after the trouble shooting process. row down the possibilities to isolate a failure to a single faulty component.

  • Page 62: Receiver Troubleshooting

    120e Product Support Tools RECEIVER TROUBLESHOOTING No Service Make sure phone has service programming and has phasing data stored. This can be verified with QPST. Check for Rx IF VCO (367.2MHz) to be on frequency. Measure Rx IF VCO control voltage. It should be between 1 and 2 volts.
  • Page 63 120e Product Support Tools Symptom Verification and Remedy Probable Cause 1. Phone will not turn a) Battery either 1. Measure battery voltage across a 50 ohm (>1 on or stay on. discharged or defective. Watt) load. 2. If the battery voltage is <3.4 V DC, recharge the battery using the appropriate battery charger.
  • Page 64 120e Product Support Tools Symptom Verification and Remedy Probable Cause 3. Display is erratic, a) Defective display 1. Disassemble the display and reassemble to check or provides partial or module. the connection. If it does not recover, check the nodisplay. transceiver board.
  • Page 65 120e Product Support Tools This page is intentionally left blank. 3/1/02...

  • Page 99: Replacement Parts

    Replacement Parts Personal Communications Sector 120e G P SA ntenna © 2002 Motorola, Inc.

  • Page 100: Mechanical Parts List

    120e Replacement Parts MECHANICAL PARTS LIST 1. SHN8061A Battery Door 2. 1588875K06 HSNG REAR ASSY GRAY W/O GLSR 3. 0309315B12 SCREW TORX PL 4. 8589650K19 ANT TELESCOPIC V120 5. 8489788L02 PCB, Main Portable 6. 7202879Z85 96X64 GRAPHIC 7. 1588865K05 HSNG FRNT ASSY V120 1X SLVR 8.

  • Page 101: Electrical Parts List

    120e Replacement Parts ELECTRICAL PARTS LIST Top Side Parts List Reference Des Part Number Description 8489788L02 PCB INTERNAL ANT C1200 2113743L41 CAP CHIP 10000 PF C1201 2113743L33 CAP CHIP 4700 PF C131 2113743N24 CAP CHIP 8.2 PF + C1400 2113928P04 CAP CER CHIP 1.0U C1402 2113947H01...
  • Page 102 120e Replacement Parts C3004 2113743L41 CAP CHIP 10000 PF C3005 2113743L41 CAP CHIP 10000 PF C3006 2113743L41 CAP CHIP 10000 PF C3007 2113743L41 CAP CHIP 10000 PF C3008 2113743L41 CAP CHIP 10000 PF C3009 2113743L41 CAP CHIP 10000 PF C301 2113743N50 CAP CHIP 100 PF 5 C3010...
  • Page 103 120e Replacement Parts C430 2113743L41 CAP CHIP 10000 PF C4300 2113743N40 CAP CHIP 39.0 PF C4302 2113947H01 CAP DL ARRAY 100 C431 2113743N28 CAP CHIP 12.0 PF C440 2113743N40 CAP CHIP 39.0 PF C4400 2113947H01 CAP DL ARRAY 100 C4420 2113947H01 CAP DL ARRAY 100 C4430...
  • Page 104 120e Replacement Parts L552 2409377M19 IND CHIP WW 120 N L650 2409154M48 IND CER MLTILYR 1 Q300 4809608E03 TSTR DIG PNP DTA1 Q3800 4809939C39 TRANS DUAL NPN/PN Q3802 4809579E02 TSTR MOSFET N-CHA Q3803 4809579E02 TSTR MOSFET N-CHA Q3804 4809579E29 TSTR FET P-CHAN S Q410 4809608E03 TSTR DIG PNP DTA1...
  • Page 105 120e Replacement Parts R5201 0609591M49 RES CHIP DUAL 100 R5204 0662057M90 RES. CHIP 4700 5 R5205 0662057N09 RES. CHIP 27K 5 R630 0662057M98 RES. CHIP 10K 5 R651 0662057M50 RES. CHIP 100 5% SW50 0987378K01 CONN RF MOD3 U1000 5109962C26 IC MOB STA MODEM U200 5109817F67...
  • Page 106 120e Replacement Parts Bottom Side Electrical Parts List Ref Des# Part # Description C100 2113947C01 CAP DL ARRAY 1000 C1000 2113928N01 CAP CER CHIP 0.1U C1001 2113743L41 CAP CHIP 10000 PF C1002 2113928N01 CAP CER CHIP 0.1U C1003 2113743L41 CAP CHIP 10000 PF C1004 2113928N01 CAP CER CHIP 0.1U...
  • Page 107 120e Replacement Parts C4003 2113743K16 CAP CHIP .220 UF C4100 2113947B05 CAP DL ARRAY 33.0 C4102 2113947H01 CAP DL ARRAY 100, C4312 2311049A89 CAP TANT CHIP 22 C490 2113928N01 CAP CER CHIP 0.1U C491 2113743L29 CAP CHIP 3300 PF C492 2113743N28 CAP CHIP 12.0 PF C500...
  • Page 108 120e Replacement Parts DS6006 4809496B11 LED CHIP YEL-GRN DS6007 4809496B11 LED CHIP YEL-GRN FL110 9185673J02 FLTR SAW INT 800M FL120 9109239M08 FLTR SAW BP 1960M FL130 9109239M18 FLTR SAW BP 1575M FL260 9185646H09 FLTR SAW IF 183.6 FL610 9109170T04 FLTR DUPLX 836.5/ 0987837L02 CONN JACK 2.5 DIA 3989328K01...
  • Page 109 120e Replacement Parts R254 0662057M01 RES. CHIP 0 R270 0662057M86 RES. CHIP 3300 5 R291 0662057M84 RES. CHIP 2700 5 R4100 0609591M29 RES CHIP DUAL 2.2 R430 0662057V61 RES CHIP 12.1 K 1 R4300 0609591M25 RES CHIP DUAL 1K R4306 0609591M29 RES CHIP DUAL 2.2 R4333...
  • Page 110 120e Replacement Parts 4/4/02...

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