Motorola W370 Service Manual

[Page 1] Motorola W370

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

[Page 2] Motorola W370

Table of Contents W370/W375 2 Aug.15, 2006 Table of Contents Introduction ................................................................................................................................... 3 Product Identification .....................

[Page 3] Motorola W370

Level 1-2 Service Manual Introduction Aug.15, 2006 3 Introduction Motorola ® Inc. maintains a worldwide organization that is dedicated to provide responsive, full-service customer support. Motorola products are serviced by an international network...

[Page 4] Motorola W370

Introduction W370\W375 4 Aug.15, 2006 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 w...

[Page 5] Motorola W370

Level 1-2 Service Manual Introduction Aug.15, 2006 5 Conventions Special characters and typefaces, listed and described below, are used in this publication to emphasize certain types of information. Note: Emphasizes additional information pertinen...

[Page 6] Motorola W370

Introduction W370\W375 6 Aug.15, 2006 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 p...

[Page 7] Motorola W370

Level 1-2 Service Manual Specifications (W370/W375) Aug.15, 2006 7 Specifications (W370/W375) General Functions Specification Dimensions 99*45*18.6mm Weight 95g External LCD 65K color TFT, Active area 28.032 x 35.04mm, Pixel Resolution: 128(RGB)x16...

[Page 8] Motorola W370

Specifications (W370/W375) W370\W375 8 Aug.15, 2006 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 4...

[Page 9] Motorola W370

Level 1-2 Service Manual Product Overview Aug.15, 2006 9 Product Overview The Motorola W370/W375 features a global system for mobile communications wireless interface and general packet radio service (GPRS) transport technology. It also features a ...

[Page 10] Motorola W370

Product Overview W370\W375 10 Aug.15, 2006 • Backlight • Speed-, Quick- and One-Touch dialing • Call Forwarding and Holding • Customized Menus • Personal management tools calculator with currency converter, real time clock with date, remi...

[Page 11] Motorola W370

Level 1-2 Service Manual General Functions Aug.15, 2006 11 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 belo...

[Page 12] Motorola W370

General Functions W370\W375 12 Aug.15, 2006 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...

[Page 13] Motorola W370

Level 1-2 Service Manual General Functions Aug.15, 2006 13 User Interface Menu Structure The table below shows a portion of the W370/W375 telephone menu structure. Figure 3. Telephone Menu Structure Menu Map n Phonebook s Recent Calls • Received ca...

[Page 14] Motorola W370

Tools and Test Equipment W370\W375 14 Aug.15, 2006 Battery Function The telephone displays a battery charge indicator icon in the idle screen to indicate the battery charge level. The gauge shows four levels: 100%, 66%, 33%, and Low Battery. Removi...

[Page 15] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 15 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...

[Page 16] Motorola W370

Disassembly W370\W375 16 Aug.15, 2006 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 condu...

[Page 17] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 17 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 us...

[Page 18] Motorola W370

Disassembly W370\W375 18 Aug.15, 2006 3. Remove the two T5 screws. (Use torque force of 10.78 Ncm). Figure 9. Removing the screws 4. Remove the four T5 screws. (Use torque force of 10.78 Ncm) . (Figure 10. Removing the screws ...

[Page 19] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 19 5. Push housing to separate the latch. Figure 11. Disengaging the latches 6. Use one hand to grip the case firmly and pry it apart a fraction, then disengage 2 latches connecting it to the front h...

[Page 20] Motorola W370

Disassembly W370\W375 20 Aug.15, 2006 7. 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 1. Remove the bottom housing as described earlier. 2. Rem...

[Page 21] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 21 3. Remove the vibrator. Figure 15. Removing the vibrator 4. Remove the two rubber pad. Figure 16. Removing the rubber pad ...

[Page 22] Motorola W370

Disassembly W370\W375 22 Aug.15, 2006 5. 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 1. Remove the bottom housing as...

[Page 23] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 23 4. Remove the side rubber. Figure 19. Removing the side rubber 5. Pry off the FPC connector. Figure 20. Prying off the FPC connector ...

[Page 24] Motorola W370

Disassembly W370\W375 24 Aug.15, 2006 6. Remove the main board. Figure 21. Remove the main board 7. Push two clip to pry off the antenna. Figure 22. Prying the antenna ...

[Page 25] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 25 8. Pry off the microphone. Figure 23. Prying the microphone 9. Pry off the spring, carefully when Removing and replacing spring. Figure 24. Prying the spring ...

[Page 26] Motorola W370

Disassembly W370\W375 26 Aug.15, 2006 10. Remove the keypad. Figure 25. Removing the keypad 11. Remove the lanyard. Figure 26. Removing the lanyard ...

[Page 27] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 27 Removing and Replacing the Top Housing 1. Remove the main board and keypad as described earlier. 2. Use hand tooling remove four rubber cover. Figure 27. Remove four rubber cover 3. Remove four T5 ...

[Page 28] Motorola W370

Disassembly W370\W375 28 Aug.15, 2006 4. With a flat pry bar, disconnect the two halves. Figure 29. Disconnecting the two halves 5. Disconnect the two halves (they are joined by a total of 7 latches). Figure 30. Separate the top housing ...

[Page 29] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 29 6. Remove the rubber. Figure 31. Removing the rubber 7. Use hand tooling remove the HINGE-KB. Be sure you don't inadvertently damage the FPC. Figure 32. Removing the rubber ...

[Page 30] Motorola W370

Disassembly W370\W375 30 Aug.15, 2006 Removing and Replacing the Top Clamshell 1. Remove the Top Housing as described earlier. 2. Insert a hook into the left hinge space, press down, and then exert pressure by pressing the clamshell forward. Figure...

[Page 31] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 31 Removing and Replacing the Bracket,Sub-Board,VGA module,and Receiver 1. Remove the top clamshell as described earlier. 2. Remove the conduct. 3. Need to replacing new conduct P/N#306AH80001W after ...

[Page 32] Motorola W370

Disassembly W370\W375 32 Aug.15, 2006 5. Disengaging the three latches. Figure 37. Disengaging the latches 6. Disengaging the three latches. Figure 38. Separating the bracket ...

[Page 33] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 33 7. Pry off the Sub-board. Figure 39. Removing the sub-board 8. Pry off the VGA FPC connector and remove VGA module. Figure 40. Prying off the VGA module ...

[Page 34] Motorola W370

Disassembly W370\W375 34 Aug.15, 2006 9. 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 ...

[Page 35] Motorola W370

Level 1-2 Service Manual Disassembly Aug.15, 2006 35 Remark 1. In the event the SIM Card warps after being inserted. (shown as Figure 42 below) Figure 42. 2. Solution : The angle of insertion must be lower than the surface of the Shielding Can, when ...

[Page 36] Motorola W370

Disassembly W370\W375 36 Aug.15, 2006 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. ...

[Page 37] Motorola W370

Level 1-2 Service Manual Subscriber Identity Module (SIM) and Identification Label Aug.15, 2006 37 Subscriber Identity Module (SIM) and Identification Label SIM A SIM is required to access the existing local GSM network, or remote networks when trav...

[Page 38] Motorola W370

Subscriber Identity Module (SIM) and Identification Label W370\W375 38 Aug.15, 2006 Where Other label number configurations present are: • TRANSCEIVER NUMBER: Identifies the product type. Normally the SWF number. (i.e. V100). • PACKAGE NUMBER: ...

[Page 39] Motorola W370

Level 1-2 Service Manual Troubleshooting Aug.15, 2006 39 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 discha...

[Page 40] Motorola W370

Troubleshooting W370\W375 40 Aug.15, 2006 Programming: Software Upgrade and Flexing Contact your local technical support engineer for information about equipment and procedures for flashing and flexing. Level 1 and 2 Troubleshooting Chart (Continue...

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Level 1-2 Service Manual Part Number Charts Aug.15, 2006 41 Part Number Charts Figure 47. W375 Exploded View Diagram ...

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Part Number Charts W370\W375 42 Aug.15, 2006 Figure 48. W370 Exploded View Diagram ...

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Level 1-2 Service Manual Part Number Charts Aug.15, 2006 43 Exploded View Parts List Table 3: W375 Exploded View Parts List Item Number Part Number Description Specification 001 2220601101W MIC ACM6011-02P22-413 6*1.1 AAC 002 2240071102W RECEIVER S...

[Page 44] Motorola W370

Part Number Charts W370\W375 44 Aug.15, 2006 Table 4: W370 Exploded View Parts List Item Number Part Number Description Specification 001 2220601101W MIC ACM6011-02P22-413 6*1.1 AAC 002 2240071102W RECEIVER SDRP0711KJ01-F1-G 32ohm 7*11mm 003 393040...

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Level 1-2 Service Manual Part Number Charts Aug.15, 2006 45 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. D...

[Page 46] Motorola W370

Part Number Charts W370\W375 46 Aug.15, 2006 ...

[Page 47] Motorola W370

Level 1-2 Service Manual Index Aug.15, 2006 Index-1 Index A About Audience 4 Conventions 5 Scope 4 Accessories and Aftermarket Division 6 Audience 4 B Battery Function 14 Operation 14 Battery Gauge 14 C Caller Line Identification 10 Controls ...

[Page 48] Motorola W370

Level 1-2 Service Manual Index Aug.15, 2006 Index-2 L Left Soft Key 11 Liquid Crystal Display (LCD) 12 Low Battery 14 M Mechanical Serial Number 37 Menu Key 11 Menu Navigation 11 Microphone 11 N Navigation Key 11 O Other Features 10 Out of Box F...

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Level 1-2 Service Manual Index Aug.15, 2006 Index-3 T Tools and Test Equipment 14 Troubleshooting 39 U USB Connector Port 11 User Interface 11 User Interface Menu Structure 13 W Warranty Service Policy 5 Customer Support 5 Out of Box Failure Poli...

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Level 1-2 Service Manual Index Aug.15, 2006 Index-4 ...

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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. ...