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Level 1-2 Service Manual
W370/W375
Tri-Band Wireless Telephone
W370/W375
GSM 900/1800/1900
GSM850/1800/1900
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Table of Contents W370/W375 Table of Contents Introduction ................................................................................................................................... 3 Product Identification ............................................................................................................ 3 Product Names ..................................................................................................................... 3 Product Changes .......................
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Level 1-2 Service Manual Introduction 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 of company-operated product care centers as well as authorized independent service firms. Available on a contract basis, Motorola Inc. offers comprehensive maintenance and installation programs that enable customers to meet requirements for reliable, continuous c
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Introduction W370\W375 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 Introduction computer programs, including the exclusive right to copy, reproduce, modify, decompile, disassemble, and rever
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Level 1-2 Service Manual Introduction Conventions Special characters and typefaces, listed and described below, are used in this publication to emphasize certain types of information. Note: Emphasizes additional information pertinent to the subject matter. Caution: Emphasizes information about actions that may result in equipment damage. Warning: Emphasizes information about actions that may result in personal injury. M Keys to be pressed are represented graphically. For example, instead of
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Introduction W370\W375 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. In the U.S.A., to contact Motorola, Inc. on your TTY, call: 800-793-7834 Accessories and Aftermarket Division (AAD) Replac
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Level 1-2 Service Manual Specifications (W370/W375) 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)x160 Sub-LCD N/A Band "EGSM/DCS/PCS" or "GSM850//DCS/PCS" Battery 850mAh Li Ion battery Product type Clamshell Antenna Internal Frequency Range (EGSM) Tx 880-915MHz, Rx 925-960MHz Frequency Range (DCS) Tx 1710-1785MHz, Rx 1805-1880MHz Frequency Range (GSM850) Tx 824-
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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, 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
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Level 1-2 Service Manual Product Overview 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 simplified icon and graphical user interface (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 r
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Product Overview W370\W375 • 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, reminders, and caller profiling • Other features Caller Line Identification Upon receipt of a call, the calling party's phone number is compared to the phone book. If the number matches a phone book entry, that name will be displayed. If there is no phone book entry, the incom
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Level 1-2 Service Manual 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 Open a menu when it & messages. appears in the display. Right Soft Key Left Soft Key Perform functions identified by Perform functions identified right display prompt. by left di
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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. Home Screen Display Clock Left Soft Key Label Right Soft Key Label Menu indicator Icon Name Description Vertical bars show the strength of the network Signal Strength connection. GPRS Servic
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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 n Phonebook á Web Access s Recent Calls • Start Browser • Received calls • Web Shortcut • Dialed Calls • Go to URL • NotePad • Web Session •Call Times • Stored Pages • Call Cost •History • Date Times • General Setting • Date Volumes h Multimedia e Messages • Camera • Create •Pictures • Inbox • Sounds •Draft •FM Radio • Outbox l Personalize •
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Tools and Test Equipment W370\W375 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. Removing the battery causes the phone to shut down immediately and loose any pending work (partially entered phone book entries or outgoing messages, for example). Note: All batteries can cause property damage and/or bodily injury such as burns if a conductive material s
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Level 1-2 Service Manual Disassembly Table 1: General Test Equipment and Tools 1 Motorola Part Number Description Application 2 Digital Multimeter 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. 2. Not available from Motorola. To order, contact Hewlett Packard at (800) 452-4844
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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. 1. Ensure the phone is turned off. 2. Pr
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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 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, c
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Disassembly W370\W375 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 18 Aug.15, 2006
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Level 1-2 Service Manual Disassembly 5. Push housing to separate the latch. 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 Aug.15, 2006 19
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Disassembly W370\W375 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. Remove the spk-gasket. Figure 14. Removing the Spk-gasket 20 Aug.15, 2006
