Motorola V235 Service Manual
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Motorola V235 Service Manual

Motorola V235 Service Manual

Digital wireless telephone, gsm 850/900/1800/1900 mhz gprs
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See also: Owner's Manual , User Manual
Level 1 and 2 Service Manual
6809495A43-C
V235
Digital Wireless Telephone
GSM 850/900/1800/1900 MHz GPRS

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Summary of Contents for Motorola V235

  • Page 1 Level 1 and 2 Service Manual 6809495A43-C V235 Digital Wireless Telephone GSM 850/900/1800/1900 MHz GPRS...

  • Page 3: Table Of Contents

    Level 1 and 2 Service Manual Contents V235 GSM 6809495A43-C Introduction ............. . . 5 Product Identification .
  • Page 4 Contents V235 GSM Exploded View Diagram ..........48 Exploded View Parts List .

  • Page 5: Introduction

    Available on a contract basis, Motorola Inc. offers comprehensive maintenance and installation programs that allow 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 a label usually located under the battery.

  • 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. Appointed Motorola Service Hubs will perform warranty and non-warranty field service for level 2 (assemblies) and level 3 (limited PCB component). Motorola High Tech Centers will perform level-4 (full component) repairs.

  • Page 8: Parts Replacement

    When ordering replacement parts or equipment, include the Motorola part number and description used in the service manual. When the Motorola part number of a component is not known, use the product model number or other related major assembly along with a description of the related major assembly and of the component in question.

  • Page 9: Specifications

    Level 1 and 2 Service Manual Specifications Specifications General Function Specification 824-848 MHz Tx Frequency Range GSM 850 869-893 MHz Rx 880-915 MHz Tx (with EGSM) Frequency Range GSM 900 925-960 MHZ Rx 1710-1785 MHz Tx Frequency Range DCS 1800 1805-1880 MHz Rx 1850-1910 MHz Tx Frequency Range PCS 1900...
  • Page 10 Specifications V235 GSM Speech Coding Function Specification Block Length 260 bits Classes Class 1 bits = 182 bits; Class 2 bits = 78 bits Bit Rate with FEC Encoding 22.8 kbps April 03, 2006 6809495A43-C...

  • Page 11: Product Overview

    (GUI) for easier operation, allows multimedia message service (MMS) messaging, and includes personal information manager (PIM) functionality. The V235 is quad-band designed phone that also allows roaming within the GSM 850/900/1800/1900 MHz bands or GSM 850/1800/1900 MHz band or GSM 900/1800/ 1900 MHz band depending on programming.
  • Page 12 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. V235 telephones also include a voice 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 13 Level 1 and 2 Service Manual Product Overview Simplified Text Entry There are three different ways to enter text using the phone keypad: • iTAP™ predictive text entry. Press a key to generate a character and a dynamic dictionary uses this to build and display a set of word or name options.

  • Page 14: General Operation

    General Operation Controls, Indicators, and Input / Output (I/O) Connections The V235 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 2).
  • Page 15 Level 1 and 2 Service Manual General Operation Display animation makes the phone’s menus move smoothly as the user scrolls up and down.Turn animation off to conserve the battery. Figure 2 shows some common icons displayed on the LCD. 1. Signal 8.

  • Page 16: User Interface Menu Structure

    General Operation V235 GSM User Interface Menu Structure Figures 3 and 4 show the telephone menu structure. main menu á Phonebook Web Access Browser Recent Calls Web Shortcuts Received Calls Stored Pages Dialed Calls History Notepad Go To URL Call Ti mes *...

  • Page 17: Alert Settings

    050470o Figure 4. Settings Menu Structure Alert Settings V235 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 18: Operation

    General Operation V235 GSM 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. ➧ To ensure proper memory retention, turn OFF the phone before removing the battery.

  • Page 19: Tools And Test Equipment

    Digital Multimeter, HP34401A Used to measure battery voltage 1. To order in North America, contact Motorola Aftermarket and Accessories Division (AAD) at (800) 422-4210 or FAX (800) 622-6210; Internationally, AAD can be reached by calling (847) 538-8023 or faxing (847) 576-3023.

  • Page 20: Disassembly

    V235 GSM Disassembly The procedures in this section provide instructions for the disassembly of V235 telephones. 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 Level 1 and 2 Service Manual Disassembly Slide the battery away from antenna and lift away from phone. See Figure 2. Battery 050474o Figure 2. Removing the battery 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.

  • Page 22: Removing And Replacing The Subscriber Identity Module (Sim)

    Disassembly V235 GSM Removing and Replacing the Subscriber Identity Module (SIM) Remove the battery door and battery as described in the procedures. Latch 050475o Figure 3. Removing the SIM Press down on the SIM latch. Slide the SIM out of its compartment as shown in Figure 3.

  • Page 23: Removing And Replacing The Antenna

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Antenna Remove the battery door and battery as described in the procedures. Carefully insert the disassembly tool under the speaker cover to release the 4 latches that secure the speaker to the rear housing. To remove the antenna, by hand, rotate the antenna counterclockwise until loose.

  • Page 24: Removing And Replacing The Rear Housing

    Disassembly V235 GSM Removing and Replacing the Rear Housing This product contains static-sensitive devices. Use anti-static handling procedures to prevent electrostatic discharge (ESD) and component damage. Remove the battery cover, battery, SIM, and antenna as described in the procedures. In addition to 4 screws, the rear housing assembly is fastened with plastic latches.
  • Page 25 Level 1 and 2 Service Manual Disassembly Carefully lift the rear housing away from the front housing and flip assembly. Rear Housing Latch Latch 050479o Figure 6. Removing the Rear Housing To replace, carefully align the rear housing to the front housing and the flip assembly, then press the rear chassis assembly down until the 2 housing catches engage with the corresponding openings on the rear chassis assembly.

  • Page 26: Removing And Replacing The Transceiver Board Assembly

    Disassembly V235 GSM Removing and Replacing the Transceiver Board Assembly This product contains static-sensitive devices. Use anti-static handling procedures to prevent electrostatic discharge (ESD) and component damage. Remove the battery cover, battery, SIM, antenna, and rear housing as described in the procedures.
  • Page 27 Level 1 and 2 Service Manual Disassembly Carefully work the flat end of the disassembly tool under the flex connector and remove the connector from the transceiver board. See Figure 8. Disassembly Tool Flex Connector Transceiver Board 050477o Figure 8. Disconnecting the Flex from the Transceiver Board 6809495A43-C April 03, 2006...
  • Page 28 Disassembly V235 GSM Lift the transceiver board assembly out of the front housing. See Figure 9. Transceiver Board 050482o Figure 9. Removing the transceiver PC board assembly To replace, insert the transceiver board assembly into the front housing with the flex connector on top.

  • Page 29: Removing And Replacing The Keypad, Volume/Smart And Voice Buttons

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Keypad, Volume/Smart and Voice Buttons Remove battery cover, battery, SIM, antenna, rear housing, and transceiver board assembly as described in the procedures. Using the disassembly tool, lift the top part of the keypad assembly, which includes the volume/smart buttons, and voice button away from the transceiver board assembly (see Figure 10).

  • Page 30: Removing And Replacing The Microphone

    Disassembly V235 GSM Removing and Replacing the Microphone Remove battery cover, battery, SIM, antenna, rear housing, and transceiver board assembly as described in the procedures. Use the disassembly tool to pry the microphone out of the front housing as shown in Figure 11.

  • Page 31: Removing And Replacing The Flip Assembly

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Flip Assembly Remove battery cover, battery, SIM, antenna, rear housing, and transceiver board assembly as described in the procedures. Flex the right side of the front housing assembly to allow the flip assembly hinge to separate from the knuckle (see Figure 12).
  • Page 32 Disassembly V235 GSM The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when handling. Carefully remove the flip assembly from the left knuckle on the front housing. Use extreme caution when removing the display flex from the front housing (see Figure 13).

  • Page 33: Removing And Replacing The Flip Cover

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Flip Cover Remove battery cover, battery, SIM, antenna, rear housing, transceiver board assembly, and flip assembly as described in the procedures. Insert the flat edge of disassembly tool into the top of the flip cover and pry down flip cover to the bottom to release the flip cover (see Figure 14).

  • Page 34: Removing And Replacing The Display Assembly Bracket

    Disassembly V235 GSM Removing and Replacing the Display Assembly Bracket Remove the battery cover, battery, SIM, antenna, rear housing, transceiver board assembly, flip assembly, and flip assembly cover as described in the procedures. Use the Torx driver and a T6 bit to remove the 4 flip assembly screws from the flip assembly (see Figure 15).

  • Page 35: Removing And Replacing The Camera Assembly

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Camera Assembly Remove the battery cover, battery, SIM, antenna, rear housing, and transceiver board assembly, flip assembly cover, and flip display bracket as described in the procedures. The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when handling.
  • Page 36 Disassembly V235 GSM Unlock the ZIF connector and remove the camera assembly flex connector (see Figure 17). 050491o Figure 17. Camera Assembly Flex Connector Removal Carefully lift the camera assembly and flex out of the display assembly. 050492o Figure 18. Camera Assembly Removal To replace, carefully press the camera assembly into its slot in the flip display assembly.
  • Page 37 Level 1 and 2 Service Manual Disassembly Replace the flip display assembly, flip assembly cover, flip assembly, transceiver board assembly, rear housing, antenna, SIM, battery, and battery cover as described in the procedures. 6809495A43-C April 03, 2006...

  • Page 38: Removing And Replacing The Display Module

    Disassembly V235 GSM Removing and Replacing the Display Module Remove the battery cover, battery, SIM, antenna, rear housing, and transceiver board assembly, flip assembly cover, flip display bracket, and camera module as described in the procedures. The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when handling.
  • Page 39 Level 1 and 2 Service Manual Disassembly Use the disassembly tool to unseat the display module flex connector (see Figure 20). 050495o Figure 20. Camera Assembly Flex Connector Removal Turn the display module printed circuit board over and use the plastic tweezers to lift away the display module from the flip (see Figure 21).

  • Page 40: Removing And Replacing The Motor Vibrator Assembly

    Disassembly V235 GSM Removing and Replacing the Motor Vibrator Assembly Remove the battery cover, battery, SIM, antenna, rear housing, and transceiver board assembly, flip assembly cover, and CLI lens cover as described in the procedures. The flexible printed cable (FPC) (flex) is easily damaged. Exercise extreme care when handling.

  • Page 41: Subscriber Identity Module (Sim) 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 23.
  • Page 42 Subscriber Identity Module (SIM) and Identification V235 GSM International Mobile Station Equipment Identity (IMEI) The International Mobile station Equipment Identity (IMEI) number is an individual number unique to the PCB and is stored within the unit's memory. The IMEI uniquely identifies an individual mobile station and thereby provides a means for controlling access to GSM networks based on mobile station types or individual units.

  • Page 43: Troubleshooting

    Troubleshooting Troubleshooting Manual Test Mode Motorola V235 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 V235 GSM Table 3. Manual Test Commands (Continued) Key Sequence Test Function/Name Remarks 5*0*2 Set audio level 2 5*0*3 Set audio level 3 5*0*4 Set audio level 4 5*0*5 Set audio level 5 5*0*6 Set audio level 6 5*0*7...

  • Page 45: Troubleshooting Chart

    Level 1 and 2 Service Manual Troubleshooting Troubleshooting Chart Table 4. Level 1 and 2 Troubleshooting Chart SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY Measure battery voltage across a 50 ohm (>1 Watt) load. If the battery voltage is <3.25 Vdc, recharge the battery using the appropriate battery charger.
  • Page 46 Troubleshooting V235 GSM Table 4. Level 1 and 2 Troubleshooting Chart (Continued) SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY Replace the transceiver board assembly (refer to 1c). Verify that the fault has been cleared b) Faulty transceiver board and reassemble the unit with the new assembly.

  • Page 47: Programming: Software Upgrade And Flexing

    Contact your local technical support engineer for information about equipment and procedures for flashing and flexing.Part Numbers The following information is provided as a reference for the parts associated with V235 telephones. Related Publications Motorola V235 User’s Guide, English SJJN6409A (6809482A70) 6809495A43-C April 03, 2006...

  • Page 48: Exploded View Diagram

    Troubleshooting V235 GSM Exploded View Diagram 051918o Figure 24. Exploded View Diagram April 03, 2006 6809495A43-C...

  • Page 49: Exploded View Parts List

    Level 1 and 2 Service Manual Troubleshooting Exploded View Parts List Table 5. Exploded View Parts List Item Motorola Part Description Number Number 0170388E04 Flip front housing assembly, silver 0171285A02 Flip cover, silver 1571202A02 Cover hinge, silver 8471229A01 Tape 0370303D02 Screw, Flip M1.6x3mm...
  • Page 50 Troubleshooting V235 GSM For information on ordering parts please contact EMEA at + 49 461 803 1404. There is a danger of explosion if the Lithium Ion battery pack is replaced incorrectly. Replace only with the same type of battery or equivalent as recommended by the battery manufacturer.

  • Page 51: Accessories

    Licensee Lanyard - Silver CHYN4546 Lanyard - Silver* AAYN4402 In-Vehicle Solutions Self Install Car Kit - Smart Drive - Motorola SYN1134 Self Install Car Kit - Smart Drive+ - Motorola SYN1137 Smart Cable EMU - Motorola SYN1003 Vehicle Power Adapter EMU - VC700...
  • Page 52 Troubleshooting V235 GSM Table 6. Accessories (Continued) Travel Charger EMU Rapid TWN SPN5270 Battery BT50 (PF4) Li-Ion 820 mAh SNN5766 Battery BT60 (PF5) Li-Ion 1020mAh SNN5744 Travel Charger EMU Mid-Rate Switcher - Argentina SPN5192 Travel Charger EMU Mid-Rate Switcher - Australia...
  • Page 53 1 and 2 Index Level 1 and 2 Service Manual Index V235 GSM 6809495A43-C international mobile station equipment identity 42 mechanical serial number 41 alert setting indicator 15 product 5 alert settings 17 IMEI 42 antenna, removing and replacing 23...
  • Page 54 Index V235 GSM removing 24 SIM Application Toolkit 12 regulatory agency compliance 5 SIM card 41 related publications 47 personality transfer 41 removing replacing 22 antenna 23 SIM, removing and replacing 22 battery 18, 20 specifications 9 battery housing 20...
  • Page 56 MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc. ® Reg. U.S. Pat. & Tm. Off. © 2005, 2006 Motorola, Inc. All rights reserved. Personal Communications Sector, Sawgrass International Concourse 789 International Parkway, Mailstop S2C...

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