Motorola W370 Service Manual
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Motorola W370 Service Manual

Motorola W370 Service Manual

Tri-band wireless phone
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See also: Owner's Manual , User Manual
Level 1-2 Service Manual
W370/W375
Tri-Band Wireless Telephone
W370/W375
GSM 900/1800/1900
GSM850/1800/1900

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Summary of Contents for Motorola W370

  • Page 1 Level 1-2 Service Manual W370/W375 Tri-Band Wireless Telephone W370/W375 GSM 900/1800/1900 GSM850/1800/1900...

  • Page 2: Table Of Contents

    Subscriber Identity Module (SIM) and Identification Label ............. 37 SIM ............................. 37 Identification ........................37 Troubleshooting .......................... 39 W370/W375 Troubleshooting Chart ................... 39 Programming: Software Upgrade and Flexing ..............40 Part Number Charts ........................41 Exploded View Parts List ....................43 Accessories ........................

  • Page 3: Introduction

    Available on a contract basis, Motorola Inc. offers comprehensive maintenance and installation programs that 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.

  • Page 4: Computer Program Copyrights

    Motorola computer programs in any manner or form without Motorola's prior written consent. Furthermore, the purchase of Motorola products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any license or rights under the copyrights, patents, or patent applications of Motorola, except for a nonexclusive license to use the Motorola product and the Motorola computer programs with the Motorola product.

  • Page 5: Warranty Service Policy

    Product Support The customer's original phones 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 Transceiver component). Motorola High Tech Centers will perform level 4 (full component) repairs.

  • Page 6: 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 7: Specifications (W370/W375)

    Level 1-2 Service Manual Specifications (W370/W375) Specifications (W370/W375) General Functions Specification Dimensions 99*45*18.6mm Weight External LCD 65K color TFT, Active area 28.032 x 35.04mm, Pixel Resolution: 128(RGB)x160 Sub-LCD Band "EGSM/DCS/PCS" or "GSM850//DCS/PCS" Battery 850mAh Li Ion battery Product type Clamshell...
  • Page 8 Specifications (W370/W375) W370\W375 Transmitter Functions Specification RF Power Output EGSM/GSM850: 32.5dBm (TYP), DCS/PCS: 30dBm (TYP) Output Impedance 50 ohm (TYP) Spurious Emissions -36 dBm from 0.1 to 1GHz, -30 dBm from 1 to 4GHz Receiver Functions Specification Receiver Sensitivity EGSM/GSM850: -107dBm,...

  • Page 9: Product Overview

    (UI) for easier operation in addition to short message service text messaging (SMS), speed dialing, quick dialing, an alarm, a calculator, games, and an address book. The W370/W375 is a tri-band phone that allows for roaming within the EGSM900 / DCS1800/PSC1900 or GSM850 / DCS1800/PCS1900.

  • Page 10: Caller Line Identification

    Simplified Text Entry The W370/W375 features 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. The iTAP™...

  • Page 11: General Functions

    General Functions General Functions Controls, Indicators, and Input/Output (I/O) Connectors The W370/W375 phone's controls are located on the front side of the device and on the keyboard as shown in below. Indicators icons are displayed on the LCD. Earpiece Menu Key Listen to your voice calls &...
  • Page 12 General Functions W370\W375 Liquid Crystal Display (LCD) The LCD provides a multicolor backlit color display with user-adjustable contrast settings for optimum readability in all light conditions. The bit-map 128 x 160 pixel display includes up to 3 lines of text, 1 line of icons, and 1 line of prompts.

  • Page 13: User Interface Menu Structure

    Level 1-2 Service Manual General Functions User Interface Menu Structure The table below shows a portion of the W370/W375 telephone menu structure. Menu Map Phonebook á Web Access Recent Calls • Start Browser • Received calls • Web Shortcut • Dialed Calls •...

  • Page 14: Battery Function

    Publications section toward the end of this manual. Tools and Test Equipment The table below lists the tools and test equipment used on W370/W375 telephones. Use either the listed items or the equivalent. Table 1: General Test Equipment and Tools...

  • Page 15: Disassembly

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

  • Page 16: Removing And Replacing The Battery

    Disassembly W370\W375 Removing and Replacing the Battery All batteries can cause property damage and/or bodily injury such as burns if a conductive material such as jewelry, keys, or beaded chains touches exposed terminals. The conductive material may complete an electrical circuit (short circuit) and become quite hot. Exercise carein handling any charged battery, particularly when placing it inside a pocket, purse, or other container with metal objects.

  • Page 17: Removing And Replacing The Sim Card

    Level 1-2 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. Removing and Replacing the SIM Card Remove the battery, as described earlier.
  • Page 18 Disassembly W370\W375 Remove the two T5 screws. (Use torque force of 10.78 Ncm). Figure 9. Removing the screws Remove the four T5 screws. (Use torque force of 10.78 Ncm) . (Figure 10. Removing the screws Aug.15, 2006...
  • Page 19 Level 1-2 Service Manual Disassembly Push housing to separate the latch. Latch Figure 11. Disengaging the latches Use one hand to grip the case firmly and pry it apart a fraction, then disengage 2 latches connecting it to the front housing. Figure 12.

  • Page 20: Removing And Replacing The Spk-Gasket Vibrator,Rubber Pad,And Speaker

    Disassembly W370\W375 Pry the back housing away from the front. Figure 13. Separating the back housing Removing and Replacing the Spk-gasket Vibrator,rubber pad,and Speaker Remove the bottom housing as described earlier. Remove the spk-gasket. Figure 14. Removing the Spk-gasket Aug.15, 2006...
  • Page 21 Level 1-2 Service Manual Disassembly Remove the vibrator. Figure 15. Removing the vibrator Remove the two rubber pad. Figure 16. Removing the rubber pad Aug.15, 2006...

  • Page 22: Removing And Replacing The Main Board And Keypad

    Disassembly W370\W375 Insert a thin screwdriver or tweezers beneath the speaker chip, then gently pry it out. Figure 17. Removing the speaker chip Removing and Replacing the Main Board and Keypad Remove the bottom housing as described earlier. Use hand tooling pry out the conduct.
  • Page 23 Level 1-2 Service Manual Disassembly Remove the side rubber. Figure 19. Removing the side rubber Pry off the FPC connector. Figure 20. Prying off the FPC connector Aug.15, 2006...
  • Page 24 Disassembly W370\W375 Remove the main board. Figure 21. Remove the main board Push two clip to pry off the antenna. Figure 22. Prying the antenna Aug.15, 2006...
  • Page 25 Level 1-2 Service Manual Disassembly Pry off the microphone. Figure 23. Prying the microphone Pry off the spring, carefully when Removing and replacing spring. Figure 24. Prying the spring Aug.15, 2006...
  • Page 26 Disassembly W370\W375 10. Remove the keypad. Figure 25. Removing the keypad Remove the lanyard. Figure 26. Removing the lanyard Aug.15, 2006...

  • Page 27: Removing And Replacing The Top Housing

    Level 1-2 Service Manual Disassembly Removing and Replacing the Top Housing Remove the main board and keypad as described earlier. Use hand tooling remove four rubber cover. Figure 27. Remove four rubber cover Remove four T5 screws. (Use torque force of 10.78 Ncm) Figure 28.
  • Page 28 Disassembly W370\W375 With a flat pry bar, disconnect the two halves. Figure 29. Disconnecting the two halves Disconnect the two halves (they are joined by a total of 7 latches). Figure 30. Separate the top housing Aug.15, 2006...
  • Page 29 Level 1-2 Service Manual Disassembly Remove the rubber. Figure 31. Removing the rubber Use hand tooling remove the HINGE-KB. Be sure you don't inadvertently damage the FPC. Figure 32. Removing the rubber Aug.15, 2006...

  • Page 30: Removing And Replacing The Top Clamshell

    Disassembly W370\W375 Removing and Replacing the Top Clamshell Remove the Top Housing as described earlier. Insert a hook into the left hinge space, press down, and then exert pressure by pressing the clamshell forward. Figure 33. Exerting pressure on the clamshell Gently disconnect the top clamshell, being careful to not snag or damage the FPC as it slips out of the notch that protects it.

  • Page 31: Removing And Replacing The Bracket,Sub-Board,Vga Module,And Receiver

    Level 1-2 Service Manual Disassembly Removing and Replacing the Bracket,Sub-Board,VGA module,and Receiver Remove the top clamshell as described earlier. Remove the conduct. Need to replacing new conduct P/N#306AH80001W after repair process. Figure 35. Removing the conduct Pry off the FPC connector. Figure 36.
  • Page 32 Disassembly W370\W375 Disengaging the three latches. Figure 37. Disengaging the latches Disengaging the three latches. Figure 38. Separating the bracket Aug.15, 2006...
  • Page 33 Level 1-2 Service Manual Disassembly Pry off the Sub-board. Figure 39. Removing the sub-board Pry off the VGA FPC connector and remove VGA module. Figure 40. Prying off the VGA module Aug.15, 2006...
  • Page 34 Disassembly W370\W375 Pop out the receiver. If you remove a functioning receiver, you will irreparably damage it and must therefore replace it. Figure 41. Removing the receiver Aug.15, 2006...

  • Page 35: Remark

    Level 1-2 Service Manual Disassembly Remark In the event the SIM Card warps after being inserted. (shown as Figure 42 below) Figure 42. Solution : The angle of insertion must be lower than the surface of the Shielding Can, when the factory disassembles the Shielding Can to rework.
  • Page 36 Disassembly W370\W375 3.1 Cover the shielding case(P/N:3052H80005W) as the figure 44. Figure 44. 3.2 Stick the black mylar(P/N:3064H80001W) on the surface of shielding case as the figure 45. Figure 45. Aug.15, 2006...

  • Page 37: Subscriber Identity Module (Sim) And Identification Label

    The MSN is an individual unit identity number and remains with the unit throughout its life. • The MSN can be used to log and track a phone on Motorola's Service Center Database. • The MSN is divided into 4 sections as shown in Figure 46.
  • Page 38 Subscriber Identity Module (SIM) and Identification Label W370\W375 Table 2: IMEI Number Breakdown Serial Number Check Digit NNXXXXXX ZZZZZZ Where Type Allocation Code, formerly known as Type Approval Code Reporting Body Identifier (BABT or CTIA) XXXXXX Type Identifier (defined by BABT or CTIA)

  • Page 39: Troubleshooting

    Level 1-2 Service Manual Troubleshooting Troubleshooting W370/W375 Troubleshooting Chart Level 1 and 2 Troubleshooting Chart Symptom Probable Cause Verification and Remedy 1. Phone will not turn on or stay on. a) Battery either discharged or Measure battery voltage across a 50 ohm (>1 Watt) defective.

  • Page 40: Programming: Software Upgrade And Flexing

    Troubleshooting W370\W375 Level 1 and 2 Troubleshooting Chart (Continue) Symptom Probable Cause Verification and Remedy 7. Phone will not recognize or accept SIM SIM card defective. Check the SIM card contacts for dirt. Clean if card. necessary, and check if fault has been cleared.

  • Page 41: Part Number Charts

    Level 1-2 Service Manual Part Number Charts Part Number Charts Figure 47. W375 Exploded View Diagram Aug.15, 2006...
  • Page 42 Part Number Charts W370\W375 Figure 48. W370 Exploded View Diagram Aug.15, 2006...

  • Page 43: Exploded View Parts List

    Level 1-2 Service Manual Part Number Charts Exploded View Parts List Table 3: W375 Exploded View Parts List Item Part Number Description Specification Number 2220601101W ACM6011-02P22-413 6*1.1 AAC ψ 2240071102W RECEIVER SDRP0711KJ01-F1-G 32ohm 7*11mm 3930407501W G SPR-VIB 4*L7.55 1.3V LA4-458DB COPAL ψ...
  • Page 44 Part Number Charts W370\W375 Table 4: W370 Exploded View Parts List Item Part Number Description Specification Number 2220601101W ACM6011-02P22-413 6*1.1 AAC ψ 2240071102W RECEIVER SDRP0711KJ01-F1-G 32ohm 7*11mm 3930407501W SPR-VIB 4*L7.55 1.3V LA4-458DB COPAL ψ 7630001895W TD018THEJ8 128*160 TOPPOLY 2250160807W SPEAKER...

  • Page 45: Accessories

    Dispose of used batteries according to the manufacturer's instructions. To order parts please use the following Link: https://servicelink3.motorola.com (Password is required) For information on ordering parts please contact EMEA at +49 461 803 1638.
  • Page 46 Part Number Charts W370\W375 Aug.15, 2006...

  • Page 47: Index

    Level 1-2 Service Manual Index Index About Audience 4 Conventions 5 Scope 4 Accessories and Aftermarket Division 6 Audience 4 Battery Function 14 Operation 14 Battery Gauge 14 Caller Line Identification 10 Controls 11 Conventions 5 Customer Support 5 Disassembly 15 Electrostatic Discharge 15 General Functions 11 Headset Connector Port 11...
  • Page 48 Level 1-2 Service Manual Index Left Soft Key 11 Liquid Crystal Display (LCD) 12 Low Battery 14 Mechanical Serial Number 37 Menu Key 11 Menu Navigation 11 Microphone 11 Navigation Key 11 Other Features 10 Out of Box Failure Policy 5 Part Number Charts 41 Parts Replacement 6 Accessories and Aftermarket Division 6...
  • Page 49 Level 1-2 Service Manual Index Tools and Test Equipment 14 Troubleshooting 39 USB Connector Port 11 User Interface 11 User Interface Menu Structure 13 Warranty Service Policy 5 Customer Support 5 Out of Box Failure Policy 5 Product Support 5 Aug.15, 2006 Index-3...
  • Page 50 Level 1-2 Service Manual Index Aug.15, 2006 Index-4...
  • Page 51 MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc. All other product or service names are the property of their respective owners. ® Reg. U.S. Pat. & Tm. Off. © 2005 Motorola, Inc.

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