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Level 1-2 Service Manual

W370/W375

GSM 900/1800/1900

GSM850/1800/1900

W370/W375

Tri-Band Wireless Telephone

Содержание W375

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

Страница 2: ...ent 14 Disassembly 15 Removing and Replacing the Battery 16 Removing and Replacing the SIM Card 17 Removing and Replacing the Bottom Housing 17 Removing and Replacing the Spk gasket Vibrator rubber pad and Speaker 20 Removing and Replacing the Main Board and Keypad 22 Removing and Replacing the Top Housing 27 Removing and Replacing the Top Clamshell 30 Removing and Replacing the Bracket Sub Board ...

Страница 3: ...s Product Names Product names are listed on the front cover Product names are subject to change without notice Some product names as well as some frequency bands are available only in certain markets Product Changes When electrical mechanical or production changes are incorporated into Motorola products a revision letter is assigned to the chassis or kit affected for example A B or C and so on The...

Страница 4: ... product and the Motorola computer programs with the Motorola product About This Service Manual Using this service manual and the suggestions contained in it assures proper installation operation and maintenance of W370 W375 telephones Refer questions about this manual to the nearest Customer Service Manager This manual contains mechanical service information required for the equipment described a...

Страница 5: ...nth warranty terms and conditions Accidental damage misuse and extended warranties offered by retailers are not supported under warranty Non warranty repairs are available at agreed fixed repair prices Out of Box Failure Policy The standard out of box failure criteria applies Customer phones that fail very early on after the date of sale are to be returned to Manufacturing for root cause analysis ...

Страница 6: ... other related major assembly along with a description of the related major assembly and of the component in question In the U S A to contact Motorola Inc on your TTY call 800 793 7834 Accessories and Aftermarket Division AAD Replacement parts test equipment and manuals can be ordered from AAD For EMEA spare parts call 49 461 803 1638 For Asia spare parts call 65 648 62995 U S A Outside U S A Phon...

Страница 7: ...ncy Range PCS Tx 1850 1910MHz Rx 1930 1990MHz Channel Spacing 200kHz Channels 174 in EGSM 124 in GSM859 374 in DCS 299 in PCS Modulation GMSK at BT 0 3 Transmitter Phase Accuracy 5 degrees RMS 20 degrees peak Duplex spacing 45MHz EGSM GSM850 95MHz DCS 80MHz PCS Frequency Stability 0 1ppm of downlink frequency RX Operating voltage 3 53V 4 2V Average Transmit Current Power Level 5 280mA Power Level ...

Страница 8: ...on Receiver Sensitivity EGSM GSM850 107dBm DCS PCS 106dBm RX Bit Error Rate 100K bits type II 2 Channel Hop Time 500 microseconds Time to Camp Approximately 6 10 Second Speech Coding Functions Specification Speech Coding Type Regular pulse excitation linear predictive coding with long term prediction PRE LPC with LTP Bit Rate 13 0 Kbps Frame Duration 20 ms Block Length 260 bits Classes Class 1 bit...

Страница 9: ...sources are not consumed during periods when a user is not actually sending or receiving data The telephones are made of plastic The display and speaker as well as the 25 key keypad transceiver printed circuit board PCB microphone charger and headphone connectors and power button are contained within clam shell form factor housing The userreplaceable 850 mAh Lithium Ion Li Ion battery provides up ...

Страница 10: ...y to generate a character and a dynamic dictionary uses this to build and display a set of word or name options The iTAP feature may not be available on the phone in all languages SIM Toolkit Class 2 SIM Application Toolkit is a value added service delivery mechanism that allows GSM operators to customize the services they offer their customers from the occasional user who requests sports news and...

Страница 11: ...nfirm your selection Earpiece Listen to your voice calls messages Menu Key Open a menu when it appears in the display Left Soft Key Perform functions identified by left display prompt Web Browser Key Volume Controls Send Answer Key Make answer calls Press in idle screen to see the recently dialed calls Mini USB Connector Change the battery or connect to a PC Right Soft Key Perform functions identi...

Страница 12: ...er link is a security web site Data Transmition If data is transmitting over GPRS connection If data is transmitted finishedly over GPRS connection Roam If user roam to another network On Call If a phone call is connected Activate Line The activate line is line1 The activate line is line2 Call Forward Line1 is set as call forward Line2 is set as call forward Message Indicator New chat message New ...

Страница 13: ...p Watch Chat Dialing Services STK Service Calendar Lantern Q Games Apps Football Space Crazy Sound Settings á Web Access Start Browser Web Shortcut Go to URL Web Session Stored Pages History General Setting h Multimedia Camera Pictures Sounds FM Radio l Personalize Home Screen Main Menu Color Setting Greeting Wallpaper Screen Saver Quick Dial w Settings Ring Style Call Forward In Call Setup Initia...

Страница 14: ...ry Immediately replace the old battery with a fresh battery Operation For detailed operating instructions refer to the appropriate User Guide listed in the Related 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...

Страница 15: ...ue camera jig pictured on the far right for disas sembly of the camera where present You can order this tool from Motorola using the informa tion presented above in Footnote 1 Disassembly Many of the integrated devices used in this phone are vulnerable to damage from electrostatic discharge ESD Ensure adequate static protection is in place when handling shipping and servicing any internal componen...

Страница 16: ...y 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 1 Ensure the phone is turned off 2 Press the battery cover release button and then slide it away Figure 5 Opening the battery cover 3 Next push the battery inward and as it disengages pull it up and...

Страница 17: ... instructions Removing and Replacing the SIM Card 1 Remove the battery as described earlier 2 Remove the SIM from its holder by sliding it in the direction shown below Figure 7 Removing the SIM Card 3 To replace carefully slide the SIM into position in its socket The latch secures the SIM when correctly positioned over the terminals in the phone 4 Replace the battery Removing and Replacing the Bot...

Страница 18: ...ssembly 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 ...

Страница 19: ...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 housing Figure 12 Disengaging the latches Latch ...

Страница 20: ... 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 Remove the spk gasket Figure 14 Removing the Spk gasket ...

Страница 21: ...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 ...

Страница 22: ...hip 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 described earlier 2 Use hand tooling pry out the conduct 3 Need to replacing new conduct P N 306AH80001W after repair process Figure 18 Removing the conduct ...

Страница 23: ...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 ...

Страница 24: ...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 ...

Страница 25: ...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 ...

Страница 26: ...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 ...

Страница 27: ...ng 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 screws Use torque force of 10 78 Ncm Figure 28 Removing the four T5 screws ...

Страница 28: ...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 ...

Страница 29: ...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 ...

Страница 30: ...2 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 3 Gently disconnect the top clamshell being careful to not snag or damage the FPC as it slips out of the notch that protects it Figure 34 Disconnecting the top clamshell ...

Страница 31: ...e 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 repair process Figure 35 Removing the conduct 4 Pry off the FPC connector Figure 36 Prying off the FPC connector ...

Страница 32: ...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 ...

Страница 33: ...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 ...

Страница 34: ...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 ...

Страница 35: ...d shown as Figure 42 below Figure 42 2 Solution The angle of insertion must be lower than the surface of the Shielding Can when the factory disassembles the Shielding Can to rework shown in the following figure Figure 43 OK NG This shear plane must be lower than that of Shielding Can the surface of Shielding Can ...

Страница 36: ...ssembly 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 ...

Страница 37: ... 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 Figure 46 MSN Divisions International Mobile Station Equipment Identity IMEI The International Mobile Station Equipment Identity IMEI number is an individual number unique...

Страница 38: ...entifies the equipment type mode and language in which the product is shipped Table 2 IMEI Number Breakdown TAC Serial Number Check Digit NNXXXXXX ZZZZZZ A TAC Type Allocation Code formerly known as Type Approval Code NN Reporting Body Identifier BABT or CTIA XXXXXX Type Identifier defined by BABT or CTIA ZZZZZZ Individual unit serial number A Phase 1 0 Phase 2 2 check digit and is defined as a fu...

Страница 39: ...such as calls frequently dropping or weak or distorted audio Connections to or from lower PCB defective Check connection between the antenna and the lower PCB 3 Display is erratic or provides partial or no display LCM defective Replace the LCM Verify that the fault has been cleared and reassemble the phone with the new LCM 4 Incoming call alert transducer audio distorted or volume is too low Speak...

Страница 40: ...ad metal dome Check if fault has been cleared If the fault is still present either replace the keypad or refer to a Level 3 Service Center for the keypad metal dome replacement 9 Vibrator feature not functioning a Vibrator faulty Check general condition of vibrator If it is good proceed to b b Vibrator defective Replace the defective vibrator 10 No or weak audio when using headset a Headset plug n...

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

Страница 42: ...Part Number Charts W370 W375 42 Aug 15 2006 Figure 48 W370 Exploded View Diagram ...

Страница 43: ...01W SPRING H80 C1720 4 8 12 3 0 2 KB 309 23A1H80001W ANT ASSY H80 EU TRI BAND 310 3109H80001W MET DOME H80 4 170g 23 311 3064H80001W MYLAR H80 12 8 13 5 0 15 312 3052H80001W SHIELD C H80 SUS304 40 2 34 2 1 50 MCOV 313 302FH80001W SPK GASKE H80 RUBBER 39 18 4 4 7 314 303LH80002W BTB SPON H80 PORON 6 2 8 8 1 KB 315 302BH80002W RUBBERPAD H80 TPU SILVER AUDIO 316 302BH80001W RUBBERPAD H80 TPU SILVER U...

Страница 44: ...ER BLACK 23 308 3041H80001W SPRING H80 C1720 4 8 12 3 0 2 KB 309 23A1H80A01W ANT ASSY H80A US TRI BAND 310 3109H80001W MET DOME H80 4 170g 23 311 3064H80001W MYLAR H80 12 8 13 5 0 15 312 3052H80001W SHIELD C H80 SUS304 40 2 34 2 1 50 MCOV 313 302FH80001W SPK GASKE H80 RUBBER 39 18 4 4 7 314 303LH80002W BTB SPON H80 PORON 6 2 8 8 1 KB 315 302BH80002W RUBBERPAD H80 TPU SILVER AUDIO 316 302BH80001W R...

Страница 45: ...rate Euro SPN5189B EMU Switch Mode Midrate HK UK SPN5190B EMU Switch Mode Midrate Australia SPN5193B EMU Switch Mode Midrate India SPN5194B EMU Switch Mode Midrate Mexico SPN5186B EMU Switch Mode Midrate Brazil SPN5187B EMU Switch Mode Midrate Arg SPN5192B EMU Switch Mode Dual Rate Brazil SPN5196B EMU Switch Mode Dual Rate Arg SPN5197B EMU Switch Mode Dual Rate PRC SPN5198B EMU Switch Mode Dual Ra...

Страница 46: ...Part Number Charts W370 W375 46 Aug 15 2006 ...

Страница 47: ... B Battery Function 14 Operation 14 Battery Gauge 14 C Caller Line Identification 10 Controls 11 Conventions 5 Customer Support 5 D Disassembly 15 E Electrostatic Discharge 15 G General Functions 11 H Headset Connector Port 11 I Indicators 11 Input Output I O Connectors 11 International Mobile Station Equipment Identity IMEI 37 Number Breakdown 37 ...

Страница 48: ...41 Parts Replacement 6 Accessories and Aftermarket Division 6 Power Connector Port 11 Power End Key 11 Product Overview 9 Caller Line Identification 10 Features 9 Other Features 10 SIM Toolkit Class 2 10 Simplified Text Entry 10 Product Support 5 R Right Soft Key 11 S Scope 4 Send Answer Key 11 SIM Card 37 Identification Label 37 International Mobile Station Equipment Identity IMEI 37 Mechanical S...

Страница 49: ...g 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 Policy 5 Product Support 5 ...

Страница 50: ...Level 1 2 Service Manual Index Aug 15 2006 Index 4 ...

Страница 51: ...re 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 All rights reserved Personal Communications Sector Sawgrass International Concourse 789 International Parkway Room S2C Sunrise FL 33323 ...

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