Motorola C257 Service Manual

Browse online or download Service Manual for Microphones Motorola C257. Motorola C257 Service manual User Manual

  • Download
  • Add to my manuals
  • Print

Summary of Contents

Page 1 - C257/C261

Level 1-2 Service ManualC257/C261GSM 900/1800GSM850/1900C257/C261Dual Band Wireless TelephoneRev. 1.03

Page 2 - Table of Contents

Product Overview C257/C261 10 July 1, 2005• SIM Toolkit™ Class 2 (STK) (Network, subscription and SIM card or service provider dependent feature. Not

Page 3 - Introduction

Level 1-2 Service Manual General FunctionsJuly 1, 2005 11General FunctionsControls, Indicators, and Input/Output (I/O) ConnectorsThe C257/C261 phone&a

Page 4 - About This Service Manual

General Functions C257/C261 12 July 1, 2005Liquid Crystal Display (LCD)The LCD provides a multicolor backlit color display with user-adjustable contra

Page 5 - Warranty Service Policy

Level 1-2 Service Manual General FunctionsJuly 1, 2005 13User Interface Menu StructureThe table below shows a portion of the C257/C261 telephone menu

Page 6 - Parts Replacement

Tools and Test Equipment C257/C261 14 July 1, 2005Battery FunctionThe telephone displays a battery charge indicator icon in the idle screen to indicat

Page 7 - Specifications (C257/C261)

Level 1-2 Service Manual DisassemblyJuly 1, 2005 151. To order in North America, contact Motorola Aftermarket and Accessories Division (AAD) by phone

Page 8 - 8 July 1, 2005

Disassembly C257/C261 16 July 1, 2005Removing and Replacing the BatteryAll batteries can cause property damage and/or bodily injury such as burns if a

Page 9 - Product Overview

Level 1-2 Service Manual DisassemblyJuly 1, 2005 174. To replace, insert the battery with the 2 tabs on its bottom end into the battery slots of the p

Page 10 - Other Features

Disassembly C257/C261 18 July 1, 20053. Pry away the back cover from the top left corner.Figure 9. Prying open the back cover4. Remove the vibrator mo

Page 11 - General Functions

Level 1-2 Service Manual DisassemblyJuly 1, 2005 196. Remove the side rubber.Figure 12. The side rubber7. Remove the LED rubber.Figure 13. The LED rub

Page 12 - Liquid Crystal Display (LCD)

Table of Contents C257/C2612 July 1, 2005Table of ContentsIntroduction ...

Page 13 - Menu Map

Disassembly C257/C261 20 July 1, 20058. Remove the camera rubber.Figure 14. The camera rubber9. Remove the speaker rubber.Take precaution to avoid dam

Page 14 - Tools and Test Equipment

Level 1-2 Service Manual DisassemblyJuly 1, 2005 21Removing and Replacing the Transceiver Board, the Keypad, and the Antenna Module1. First, remove th

Page 15 - Disassembly

Disassembly C257/C261 22 July 1, 20054. Gently pry the antenna module away from the transceiver board.Figure 18. Removing the antenna moduleRemoving a

Page 16

Level 1-2 Service Manual DisassemblyJuly 1, 2005 233. Pry off the keypad PCB.Figure 20. Removing the keypad PCBRemoving and Replacing the LCD Module1.

Page 17 - Rubber Bits

Disassembly C257/C261 24 July 1, 20053. Remove the receiver using a tweezers.Figure 22. Using tweezers to remove the receiver4. Very carefully disconn

Page 18

Level 1-2 Service Manual DisassemblyJuly 1, 2005 255. Remove the LCD.Figure 24. The LCDRemoving and Replacing the Camera Shielding, the Microphone, an

Page 19

Disassembly C257/C261 26 July 1, 20053. Using a camera jig provided by Motorola, carefully pinch and pull out the camera module.Figure 26. Using a cam

Page 20

Level 1-2 Service Manual Subscriber Identity Module (SIM) and Identification LabelJuly 1, 2005 27Subscriber Identity Module (SIM) and Identification L

Page 21

Subscriber Identity Module (SIM) and Identification Label C257/C261 28 July 1, 2005WhereOther label number configurations present are:• TRANSCEIVER NU

Page 22

Level 1-2 Service Manual TroubleshootingJuly 1, 2005 29TroubleshootingManual Test ModeMotorolaC257/C261 telephones are equipped with a manual test mod

Page 23

Level 1-2 Service Manual IntroductionJuly 1, 2005 3IntroductionMotorola® Inc. maintains a worldwide organization that is dedicated to provide responsi

Page 24

Troubleshooting C257/C261 30 July 1, 2005C257/C261 Troubleshooting ChartTable 4: Level 1 and 2 Troubleshooting Chart Symptom Probable Cause Verificati

Page 25

Level 1-2 Service Manual TroubleshootingJuly 1, 2005 31Programming: Software Upgrade and FlexingContact your local technical support engineer for info

Page 26

Part Number Charts C257/C261 32 July 1, 2005Part Number ChartsFigure 29. C257 Exploded View Diagram

Page 27 - Identification

Level 1-2 Service Manual Part Number ChartsJuly 1, 2005 33Figure 30. C261 Exploded View Diagram

Page 28

Part Number Charts C257/C261 34 July 1, 2005Exploded View Parts ListTable 5: C257 Exploded View Parts ListItem NumberPart Number Description Specifica

Page 29 - Troubleshooting

Level 1-2 Service Manual Part Number ChartsJuly 1, 2005 35Table 6: C261 Exploded View Parts ListItem NumberPart Number Description Specification001 22

Page 30 - 30 July 1, 2005

Part Number Charts C257/C261 36 July 1, 2005There is a danger of explosion if the Lithium ion battery pack is replaced incorrectly. Replaceonly with t

Page 31 - July 1, 2005 31

Level 1-2 Service Manual Part Number ChartsJuly 1, 2005 37AccessoriesTable 7: List of AccessoriesDescription Part NumberPower SolutionsTitanium batter

Page 32 - Part Number Charts

Level 1-2 Service Manual IndexJuly 1, 2005 Index-1IndexAAboutAudience 4Conventions 5Scope 4Accessories and Aftermarket Division 6Audience 4BBatteryDis

Page 33 - July 1, 2005 33

Level 1-2 Service Manual IndexJuly 1, 2005 Index-2LLeft Soft Key 11Liquid Crystal Display (LCD) 12Low Battery 14MMechanical Serial Number 27Menu Key 1

Page 34 - Exploded View Parts List

Introduction C257/C261 4 July 1, 2005Computer Program CopyrightsThe Motorola products described in this manual may include Motorola computer programs

Page 35 - July 1, 2005 35

Level 1-2 Service Manual IndexJuly 1, 2005 Index-3TTools and Test Equipment 14Troubleshooting 29UUSB Connector Port 11User Interface 11User Interface

Page 36

MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc.All other product or service names ar

Page 37 - Accessories

Level 1-2 Service Manual IntroductionJuly 1, 2005 5ConventionsSpecial characters and typefaces, listed and described below, are used in this publicati

Page 38

Introduction C257/C261 6 July 1, 2005Parts ReplacementWhen ordering replacement parts or equipment, include the Motorola part number and description u

Page 39

Level 1-2 Service Manual Specifications (C257/C261)July 1, 2005 7Specifications (C257/C261)General Functions SpecificationDimensions 109.85*49.95*14.9

Page 40

Specifications (C257/C261) C257/C261 8 July 1, 2005Transmitter Functions SpecificationRF Power Output 32.5 dBm nominal GSM90030 dBm nominal DCS180032.

Page 41

Level 1-2 Service Manual Product OverviewJuly 1, 2005 9Product OverviewThe Motorola C257/C261 features a global system for mobile communications wirel

Comments to this Manuals

No comments