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Motorola B89 Service Manual

Tri-band mobile telephone v.series 66 gsm 900/1800/1900 mhz & gprs technologies
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Level III Service Manual
Product Family B89
Tri-Band Mobile Telephone
V.Series™ 66
GSM 900/1800/1900 MHz & GPRS Technologies

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Summary of Contents for Motorola B89

  • Page 1 Level III Service Manual Product Family B89 Tri-Band Mobile Telephone V.Series™ 66 GSM 900/1800/1900 MHz & GPRS Technologies...

  • Page 3: Table Of Contents

    Table of Contents Level III Service Manual 1 and 2 Table of Contents 6881038B20 Table of Contents Introduction ................1 Product Identification .
  • Page 4 Table of Contents Product Family B89 Part Number Charts ............... 45 Related Publications .

  • Page 5: Introduction

    Available on a contract basis, Motorola Inc. offers comprehensive maintenance and installation programs which enable customers to meet requirements for reliable, continuous communications. To learn more about the wide range of Motorola service programs, contact your local Motorola products representative or the nearest Customer Service Manager. Product Identification Motorola products are identified by the model number on the housing.

  • Page 6: Computer Program Copyrights

    The Motorola products described in this manual may include Motorola computer programs stored in semiconductor memories or other media that are copyrighted with all rights reserved worldwide to Motorola. Laws in the United States and other countries preserve for Motorola, Inc. certain exclusive rights to the copyrighted...

  • Page 7: Warranty Service Policy

    Customer’s original units will be repaired but not refurbished as standard. Appoint- ed Motorola Service Hubs will perform warranty and non-warranty field service for level 2 (assemblies) and level 3 (limited PCB component). The Motorola HTC centers will perform level 4 (full component) repairs.
  • Page 8 Product Family B89 Customer Support Customer support is available through dedicated Call Centers and in-country help desks. Product Service training should be arranged through the local Motorola Support Center. Ordering Replacement Parts Only centers authorized to carry out repairs can purchase spare parts. Orders for spare parts from hubs and Hi-Tech Centers should be placed with the regional Motorola Parts Distribution Center.

  • Page 9: Specifications

    Level III Service Manual Specifications Specifications General Function Specification Frequency Range GSM 880-915 MHz Tx (with EGSM) 925-960 MHZ Rx Frequency Range DCS 1710-1785 MHz Tx 1805-1880 MHz Rx Frequency Range PCS 1850.2-1909.8 MHz Tx 1930.2-1989.8 MHz Rx Channel Spacing 200 kHz Channels 174 EGSM, 374 DCS, 274 PCS carriers with 8 ch.

  • Page 10: Product Overview

    PF B89 telephones have a clam form factor. They are made of a polycarbonate plastic with the display and speaker located in the flip. The bottom part of the clam (front...
  • Page 11 Because the GSM standard does not provide the option to store voice tags onto the SIM card, voice tags are added to the phone’s memory. PF B89 telephones also include a voice note recorder that allows up to 2 minutes of personal messages to be recorded. This feature has a complete set of record, playback, and management tools that make it easy to store and maintain a list of personal memos.
  • Page 12 • Divert incoming data calls • Allow all calls through to the phone. Detailed operating instructions for these and the other PF B89 features can be found in the appropriate PF B89 telephone user’s guide listed in the “Related Publications”...

  • Page 13: General Operation

    General Operation Controls, Indicators, and Input / Output (I/O) Connections The PF B89 telephone’s controls are located on the sides of the device and on the keypad. Indicators, in the form of icons, are displayed on the LCD (see Figure 3).
  • Page 14 The menu key opens the initial menu structure, or allows access to a submenu whenever appears on the screen. See Figure 4 for details of the PF B89 menu structure. Liquid Crystal Display (LCD) The LCD provides a high contrast backlit display for easy readability in all light conditions.
  • Page 15 Display animation makes the phone’s menus move smoothly as the user scrolls up and down. Turn animation off to conserve the battery. 010419o Figure 3. PF B89 Icon Indicators Whether a phone displays all indicators depends on the programming and services to which the user subscribes.

  • Page 16: User Interface Menu Structure

    Figure 4. PF B89 Menu Structure Alert Settings PF B89 telephones include up to 32 preset alert tones and vibrations that can be applied to all alert events at the same time. Pressing either volume key will mute the alert.

  • Page 17: Battery Function

    Level III Service Manual General Operation Battery Function Battery Gauge The telephone displays a battery level indicator icon in the idle screen to indicate the battery charge level. The gauge shows four levels: 100%, 66%, 33%, and Low Battery. Battery Removal Removing the battery causes the device to immediately shut down and any pending work (for example, partially entered phone book entries or outgoing messages) is lost.
  • Page 18 General Operation Product Family B89 May 15, 2001 6881038B20...

  • Page 19: Tools And Test Equipment

    GSM / DCS Test SIM Card Used to enable manual test mode 1. To order in North America, contact Motorola Aftermarket and Accessories Division (AAD) at (847) 538-8000; Internationally, AAD can be reached by calling (847) 538-8023 or faxing (847) 576-3023.

  • Page 20: Disassembly

    Product Family B89 Disassembly The procedures in this section provide instructions for the disassembly of a PF B89 telephone. Tools and equipment used for the phone are listed in Table 1, preceding. Many of the integrated devices used in this equipment are vulnerable to damage from electrostatic discharge (ESD).

  • Page 21: Removing And Replacing The Subscriber Identity Module (Sim)

    Level III Service Manual Disassembly There is a danger of explosion if the Lithium Ion battery is replaced incorrectly. Replace only with the same type of battery or equivalent as recommended by the battery manufacturer. Dispose of used batteries according to the manufacturer’s instructions.
  • Page 22 Disassembly Product Family B89 To replace, insert the SIM into the holder, ensuring the keyed corner of the SIM aligns with the notch molded into the holder. SIM HOLDER FLIP ASSEMBLY 010423o Figure 7. Removing the SIM card Close the SIM holder and slide it up (toward the antenna) to lock.

  • Page 23: Removing And Replacing The Antenna

    Level III Service Manual Disassembly Removing and Replacing the Antenna Remove the battery as described in the procedures. By hand, rotate the antenna counterclockwise until loose. See Figure 8. ANTENNA 010424o Figure 8. Removing the antenna When the antenna threads are completely disengaged, pull the antenna straight out of the phone housing to remove.

  • Page 24: Removing And Replacing The Light Guide

    Disassembly Product Family B89 Removing and Replacing the Light Guide Remove the battery as described in the procedures. Be careful not to mar the surface of the phone housing or the light guide when using diagonal cutters in the following step.
  • Page 25 Level III Service Manual Disassembly Using a Torx driver with a T-6 bit, remove the 2 screws from the bottom of the rear housing. See Figure 10. With the flat end of the disassembly tool, carefully pry the 2 housing catches inward to release the rear housing.

  • Page 26: Removing And Replacing The Transceiver Board Assembly

    Disassembly Product Family B89 To replace, align the opening in the top of the rear housing with the alert transducer on the transceiver board, then rotate the rear housing down until the 2 housing catches engage with the corresponding openings on the rear housing.
  • Page 27 Level III Service Manual Disassembly Lift the transceiver board assembly from the front housing. See Figure 13. DISASSEMBLY TOOL TRANSCEIVER BOARD FRONT HOUSING 010429o Figure 13. Removing the transceiver board assembly To replace, insert the transceiver board assembly into the front housing with the flex connector on top.

  • Page 28: Removing And Replacing The Keypad Pcb

    Disassembly Product Family B89 Removing and Replacing the Keypad PCB Remove battery, antenna, light guide, rear housing, and transceiver board assembly as described in the procedures. While holding the transceiver board assembly stationary with the keypad PCB facing you, carefully work the flat end of the disassembly tool under the keypad PCB connector to disconnect it from the transceiver board, then lift the keypad PCB away.

  • Page 29: Removing And Replacing The Microphone Assembly

    Level III Service Manual Disassembly Removing and Replacing the Microphone Assembly Remove the battery, antenna, light guide, rear housing, and transceiver board assembly as described in the procedures. DISASSEMBLY TOOL MICROPHONE FRONT HOUSING 010431o Figure 15. Removing the microphone assembly Using the flat end of the disassembly tool, carefully lift the microphone assembly from its front housing cavity.

  • Page 30: Removing And Replacing The Keypad

    Disassembly Product Family B89 Removing and Replacing the Keypad Remove the battery, antenna, light guide, rear housing, and transceiver board assembly as described in the procedures. Lift the keypad from the front housing as shown in Figure 16. DISASSEMBLY TOOL...
  • Page 31 Level III Service Manual Disassembly Gently depress the 2 lens assembly catches to release the flip housing. See Figure 18A. LENS ASSEMBLY FLIP HOUSING MOUNTING SCREW LENS ASSEMBLY 010433o Figure 17. Removing the lens assembly FLIP LENS HOUSING ASSEMBLY CATCH, 2 PLACES FLIP HOUSING...

  • Page 32: Removing And Replacing The Real Time Clock (Rtc) Battery

    Disassembly Product Family B89 Lift the lens completely away from the flip as shown in Figure 18B. Do not remove the transparent protective film from the front of the new lens. This film prevents damage to the lens during service and handling. It is to be removed only by the end user.

  • Page 33: Removing And Replacing The Display Board Assembly

    Level III Service Manual Disassembly positive battery terminal is up (facing away from the display board) and the battery is completely seated in its socket. Replace the lens assembly, antenna, SIM, and battery as described in the procedures. Removing and Replacing the Display Board Assembly This product contains static-sensitive devices.
  • Page 34 Disassembly Product Family B89 Using the flat end of the disassembly tool, gently pry the vibrator from the flip housing. See Figure 21. FLIP ASSEMBLY DISASSEMBLY TOOL VIBRATOR DISPLAY BOARD 010437o Figure 21. Removing the vibrator from the flip housing...

  • Page 35: Removing And Replacing The Lcd Module

    Level III Service Manual Disassembly Lift the display board assembly from the flip housing as shown in Figure 22. To replace, insert the display board into the flip housing, ensuring the display board is properly seated. Using the disassembly tool, align and connect the flex to the display board. Apply slight pressure to the flex connector until it snaps into place.
  • Page 36 Disassembly Product Family B89 Locate the 4 LCD module mounting tabs shown in Figure 23. Using the flat end of the disassembly tool, straighten the 2 LCD module tabs shown in the figure. LCD MODULE DISPLAY BOARD 010440o Figure 24. Removing the LCD module Tilt up and remove the LCD module from the display board assembly as shown in Figure 24.

  • Page 37: Removing And Replacing The Flip Housing

    Level III Service Manual Disassembly Replace the display board assembly, lens assembly, antenna, SIM, and battery as described in the procedures. Removing and Replacing the Flip Housing The printed flexible cable (flex) is very fragile. Use extreme care when removing and replacing the flip assembly.
  • Page 38 Disassembly Product Family B89 Using the pointed tweezer through the flip housing aperture, depress the hinge mechanism to release the flip housing from the front housing knuckle. See Figure 25A. Carefully tilt and slightly separate the flip housing (Figure 25B), flex still attached, from the front housing.

  • Page 39: Removing And Replacing The Flex Assembly

    Level III Service Manual Disassembly Removing and Replacing the Flex Assembly Remove the battery, SIM, antenna, light guide, rear housing, transceiver board assembly, microphone assembly, keypad, lens assembly, display board assem- bly, and flip housing as described in the procedures. FLEX SLOT FLIP HOUSING...
  • Page 40 Disassembly Product Family B89 May 15, 2001 6881038B20...

  • Page 41: Sim Cards And Identification

    The Mechanical Serial Number (MSN) is an individual unit identity number and remains with the unit throughout the life of the unit. The MSN can be used to log and track a unit on Motorola's Service Center Database. The MSN is divided into 4 sections as shown in Figure 27.
  • Page 42 SIM Cards and Identification Product Family B89 International Mobile Station Equipment Identity (IMEI) The International Mobile station Equipment Identity (IMEI) number is an individ- ual number unique to the PCB and is stored within the unit's memory. The following diagram illustrates the various parts of this number.

  • Page 43: Troubleshooting

    Troubleshooting Troubleshooting Manual Test Mode Motorola PF B89 telephones are equipped with a manual test mode capability. This allows service personnel to verify functionality and perform fault isolation by entering keypad commands. To enter the manual test command mode, a GSM / DCS test SIM must be used.
  • Page 44 Troubleshooting Product Family B89 Table 2. Manual Test Commands (Continued) Key Sequence Test Function/Name Remarks 5*0*8 Set audio level 8 5*0*9 Set audio level 9 5*0*10 Set audio level 10 5*0*11 Set audio level 11 5*0*12 Set audio level 12...

  • Page 45: Troubleshooting Chart

    Level III Service Manual Troubleshooting Troubleshooting Chart Table 3. PF A28 Telephone: Level 2 Troubleshooting Chart SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY 1. Telephone will not turn on or stay on. a) Battery either discharged or Measure battery voltage across a 50 ohm (>1 defective.
  • Page 46 Troubleshooting Product Family B89 Table 3. PF A28 Telephone: Level 2 Troubleshooting Chart (Continued) SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY d) Display board defective. Remove display board as described in the procedures and replace with a known good display board. Temporarily reassemble unit and verify proper operation.
  • Page 47 Level III Service Manual Troubleshooting Table 3. PF A28 Telephone: Level 1 and 2 Troubleshooting Chart (Continued) SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY e) Transceiver board assembly Replace the transceiver board assembly (refer defective. to 1c). Verify that the fault has been cleared and reassemble with the new transceiver board assembly.

  • Page 48: Programming: Software Upgrade And Flexing

    Troubleshooting Product Family B89 Table 3. PF A28 Telephone: Level 1 and 2 Troubleshooting Chart (Continued) SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY 11. Real Time Clock resetting when Lithium button cell in the display board Replace the RTC battery as described in the standard battery is removed.

  • Page 49: Part Number Charts

    Level III Service Manual Part Number Charts Part Number Charts The following charts are provided as a reference for the parts associated with PF B89 telephones. Related Publications V.Series™ 66 Wireless Phone User Guide, English 6809435A60 V.Series™ 66 Wireless Phone Reference Guide, English...

  • Page 50: Exploded View Diagram

    Part Number Charts Product Family B89 Exploded View Diagram 010245o Figure 29. Exploded view diagram May 15, 2001 6881038B20...

  • Page 51: Exploded View Parts List

    Level III Service Manual Part Number Charts Exploded View Parts List Table 4. Exploded View Parts List Item Motorola Part Item Motorola Part Description Description Number Number Number Number See Table 6 Insert, bezel, flip Note 3 Battery latch 0389893K01...

  • Page 52: Model-Dependent Part Numbers

    Part Number Charts Product Family B89 Model-dependent Part Numbers Table 5. Model-dependent Part Numbers Item Part Description Part Number Number Lens, gold 6189891K01 Lens, silver 6189891K02 Rear housing assembly, Silver 1587999L02 Rear housing assembly, Radar Blue 1587999L03 Rear housing assembly, Holographic Purple...
  • Page 53 Level III Service Manual Part Number Charts Table 6. Accessories (Continued) Part Description Part Number Travel charger, mid-rate, Argentina, fixed adapter SPN4739 Travel charger, mid-rate, China, Klaus adapter compatible SPN4741 Travel charger, mid-rate, Hong Kong, fixed adapter SPN4744 Travel charger, mid-rate, Korea, Klaus adapter compatible SPN4756 Travel charger, mid-rate, Brazil, Klaus adapter compatible SPN4977...
  • Page 54 Part Number Charts Product Family B89 May 15, 2001 6881038B20...

  • Page 55: Index

    1 and 2 Index Level III Service Manual Index 6881038B20 Index international mobile station equipment identity 38 mechanical serial number 37 product 1 IMEI 38 Introduction 1 alert settings 12 antenna, removing and replacing 19 keypad PCB, removing and replacing 24 keypad, removing and replacing 26 battery function 13...
  • Page 56 Index Product Family B89 flip assembly 33 keypad 26 user interface diagrams 12 keypad PCB 24 light guide 20 microphone 25 voice recognition 7 rear housing 20 SIM card 17 replacement parts ordering 4 warranty service 3 replacing wireless access protocol (WAP) 7...
  • Page 58 MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc. ® Reg. U.S. Pat. & Tm. Off. TrueSync is a trademark of Starfish, Inc., a wholly owned independent subsidiary of Motorola, Inc.
  • Page 59 V.66 - RF SCHEMATICS RX FRONT END RF_V2 RF_V2 RVCO 400Mhz ISOLATION AMP FL103 TP_GND N_GSM_EXC_SW N_DCS_SEL FL200 BCLKR GSM_EXC_SW RF_V2 U100 RF_V2 FL104 Q200 BRSR FL102 DCS_SW Q151 N_DCS_SW AUX_RF RX_ACQ RF_V2 RVCO FL101 RX_EN N_GSM_SEL RF_V1 SF_OUT RF_V2 FL100 RF_V2 N_RVCO...
  • Page 60 V66 - AL SCHEMATICS OVCC HVDD EVDD CVDD AVDD RESET VCCA JVDD DATA (15 : 0) JVDD U701 U2872 U2871 U2870 RESET DVDD TEST UCTS2 UTXD2 URXD2 FLASH_VCC0 BVDD UCTS_CE URI_CE UDSR_CE TRST DATALOG_N IVDD MCU_DE DSP_DE UCTS UDSR CLK_RESET STBY U702 LB* UB*...
  • Page 61 V.66 - BLOCK DIAGRAM - PAGE 1/2 RF_V2 U10 / RX V1 V2 V3 V4 U10 / TX V1 V2 V3 V4 RX MID CHANNELS GSM: CH 62 -- 947,4 MHz EGSM: CH 37 -- 942,4Mhz U201 DCS: CH 700 -- 1842,8MHz Osc.
  • Page 62 V.66 - BLOCK DIAGRAM - PAGE 2/2 VSIM_EN To GCAP U700 MAGIC_SPI_CS SIM_PD0 MAGIC From J825 J825 RF_SPI_CLK Flip PATRIOT MQSPI Display Connector RF_MOSI UDTR UDCD ADDRESS BUS FLASH_RST UCTS PRIM. SDI_D_C UDSR UART DATA BUS BB_MOSI Connector UTXD2 BB_SPI_CLK EB1_N MEMORY FLASH_VCC...
  • Page 63 V.66 - BOARD LAYOUT - PAGE 1/2...
  • Page 64 V.66 - BOARD LAYOUT - PAGE 2/2...
  • Page 65 V.66 - FRONT HOUSING SCHEMATIC...
  • Page 67 V.66 - SIGNAL FLOW - PAGE 1/2 RF_V2 SF_OUT GSM_EXC_SW N_GSM_EXC_SW RF_V1 N_GSM_SEL N_RVCO SW_VCC DCS_SEL N_GSM_SEL RVCO SF_OUT RF_V2 VREF V_BOOST EXC_EN GSM_EXC_EN RX Local OSC J825 U300 J851 DISPLAY RX VCO FL104 CONN THERM 400MHz BATTERY LO2_CP BATT_SER_D U201 MAGIC CONN...
  • Page 68 V.66 - SIGNAL FLOW - PAGE 2/2 RX SPEAKER LINE - RX SPEAKER LINE + HS RX SPEAKER LINE - HS TX M IC LINE MAGIC_13M H z TO PATRIOT PA_B+ DCS_SW VSIM1 ALRT_VCC J800 TEST KEYPAD CONN TRST MCU_DE CKIH TP914 U700...
  • Page 69 V66 Level 3 Parts List TRANSCEIVER TOP TRANSCEIVER BOTTOM Part Number Description Part Number Description CR701 4809788E06 DIODE ZENER 6.8V UDZ6.8B 3987317L01 CONTACT, ANTENNA SAPPHIRE CR850 4809948D42 DIODE SCHOTTKY RB751V-40 0987786L01 CONNECTOR RF SAPPHIRE CR903 4809924D18 DIODE HIGH VOLTAGE/SW RB520S AL900 5062841B01 ALERT REFLOWABLE 2.5, 3.2X8.5X...

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