Motorola V3-Razr Repair Manual
Technical Support Group
V3-Razr Repair Manual
April 2005
KS-042050-V1.2
D54
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V3-Razr Repair Manual |
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TABLE OF CONTENTS |
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MODULE 1 |
2 |
TECHNOLOGY |
3 |
GSM OVERVIEW |
3 |
PREFACE |
3 |
SYSTEM ARCHITECTURE |
3 |
PRODUCT FUNCTIONALITY |
6 |
FEATURES |
6 |
MODULE 2 |
9 |
PARTS LIST |
10 |
MOL |
11 |
REPAIR CATEGORIES |
12 |
LABOUR RATES |
13 |
MODULE 3 |
14 |
ASSEMBLY & DISASSEMBLY |
15 |
KNOWN ISSUES & RESOLUTIONS |
26 |
SERVICE WEBSITE |
28 |
REPAIR CODES |
29 |
CLAIMABLE PARTS |
29 |
MODULE 4 |
30 |
TEST EQUIPMENT |
31 |
SOFTWARE |
32 |
ACCESSORIES |
33 |
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V3-Razr Repair Manual
Module 1
MODULE 1
•-Technology
•-Product functionality
•-Features
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V3-Razr Repair Manual
Technology
GSM overview
Preface
This page discusses the GSM mobile telephony system, which is increasingly popular and established throughout the world. The term GSM usually means the GSM standard and protocols in the frequency spectrum around 900MHz.
There is also DCS1800 - GSM protocols but at different air frequencies around 1800 MHz - and in the United States, where spectrum for Personal Communication Services (PCS) was auctioned at around 1900MHz, operators using the aptly-named GSM1900 are competing against a plethora of other standards. As a result of this, the original and most widely-used GSM frequency implementation is also becoming known as GSM900, and DCS1800 is also known as GSM1800. However, although the physical frequencies used differ, the protocols and architecture remain the same.
System architecture
Figure 4 below shows the GSM system architecture, which consists of the switching system, the base station system and the user equipment.
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V3-Razr Repair Manual
GSM, Basic Cellular System
MSC
PSTN
BSC
BTS
BTS |
BTS |
Area divided up into Cells each with its own Base Transceiver station (BTS) which operates on its own set of frequencies
The BTS are controlled by their own BSC (Base station controller) which can control multiple BTS
The BSCis connected to the MSC (usually by land line) so the digital over air connection is from the Mobile to the BTS, the link from the BTS to the BSC can also be by land line.
MSC : Mobile Switching Centre acts as the interface to the PSTN.
GSM, Basic Cellular System
1 |
1 |
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2 |
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3 Cell repeat pattern |
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3 |
3 |
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1 |
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Only possible in GSM due to |
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2 |
2 |
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higher cross channel interference |
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tolerances |
3
3 cell repeat: possible in GSM due to higher tolerance to cross channel interference. digital timing specs etc. Other patterns apply,
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V3-Razr Repair Manual |
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Product Functionality |
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Form Factor: |
Clamshell |
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Finish: |
Tri-coated paint, colour TBD |
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Bands/Modes: |
GSM : 850/900/1800/1900 |
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GPRS Class 10 |
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Size: |
63 cc |
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Weight: |
90g |
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Dimensions: |
98 x 53 x 15 |
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Display: |
176 x 220 64K TFT internal |
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96 x 80 4K CSTN external |
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Antenna: |
Internal |
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TT/SB Time: |
TBD (700mAh Battery) |
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Audio |
MIDI (24Ch/22Khz), |
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MP3 Ring tones |
Features
•Superior Design and CMF
•Internal Quad-Band Antenna
•External Picture caller ID
•Integrated VGA camera
•Integrated Class 1 Bluetooth™
•22kHz MIDI and polyphonic speaker
•MPEG4 video playback
•3D Graphics Engine
•UI Skinning
•SyncML
•Mini-USB connector
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V3-Razr Repair Manual
Physical Overview
MOTOROLA V3
Speaker
Camera Lens
64k TFT
176 x 220 Display
VA/VR Key
4k CSTN
96 x 80 CLI
5way Nav Key
Mic
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V3-Razr Repair Manual
Physical Overview (Cont’d)
MOTOROLA V3
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Batt. Door |
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Volume up/down |
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Soft key
MIDI Speaker
Ext.
Antenna
USB
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V3-Razr Repair Manual
MODULEModule 2 2
•-Piece Parts
•-Motorola on line(MOL)
•-Repair Categories
•-Labour Rates
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V3-Razr Repair Manual
Parts List
Exploded View Diagram: V3
Part Description |
Part Number |
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Part Description |
Part Number |
1-Lens |
6190016N03 |
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11-Front grill |
p/o Front housing |
2-Front Flip housing |
1590025N02 |
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12-Antenna Cover |
p/o Front Housing |
3-Display Module |
7290086N01 |
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13-Antenna |
1590051N03 |
4-Display Call ID |
7287518Y01 |
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14-Back Housing |
1590048N01 |
5-Flex Circuit |
8490007N01 |
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15-Midi Speaker |
5088017N02 |
6-Flip Housing Back |
0790000N01 |
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7-Lens Caller ID |
6190015N02 |
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8-Keypad |
3888182Y03 |
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9-Keyboard Assy. |
8489976N02 |
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10-Front Housing |
1590043N01 |
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