Motorola A860 Manuel de service

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Page 1 - A840, A860

Level 2 Service ManualA840, A860Digital Wireless TelephoneCDMA 800/1900 MHz; GSM 900/1800 MHz

Page 2

10 June 09, 2004 6809485A78-OSpecifications A840Receiver Function SpecificationReceive Sensitivity-116 dBm (AMPS, SINAD, C-MSG weighted)

Page 3 - 6809485A78-O

6809485A78-O June 09, 2004 11Level 2 Service Manual Product OverviewProduct OverviewMotorola A840 mobile telephones feature Code Division Mul

Page 4 - Contents A840

12 June 09, 2004 6809485A78-OProduct Overview A840• Picture Caller ID on External & Internal Display• Digital Camera Features: Photo A

Page 5 - Introduction

6809485A78-O June 09, 2004 13Level 2 Service Manual General OperationGeneral OperationControls, Indicators, and Input/Output (I/O) Connectors

Page 6 - About this Service Manual

14 June 09, 2004 6809485A78-OGeneral Operation A840Menu NavigationA840 telephones have a simple icon based GUI. The phone also features au

Page 7 - Warranty Service Policy

6809485A78-O June 09, 2004 15Level 2 Service Manual General OperationFigure 2 shows some common icons displayed on the LCD. Alert SettingsIn

Page 8 - Parts Replacement

16 June 09, 2004 6809485A78-OGeneral Operation A840Battery RemovalRemoving the battery causes the device to shut down immediately and loos

Page 9 - Specifications

6809485A78-O June 07, 2004 17Level 2 Service Manual Theory of OperationTheory of OperationMSM6300 System OverviewQCT’s MSM6300 solution, p

Page 10 - Specifications A840

18 June 07, 2004 Theory of Operation A840to run on a Subscriber Unit Reference (SURF) phone platform, an optional devel-opment platform optimize

Page 11 - Product Overview

June 07, 2004 19Level 2 Service Manual Theory of OperationPM6050 Device DescriptionThe PM6050 device (Figure 2) integrates all wireless ha

Page 13 - General Operation

20 June 07, 2004 Theory of Operation A840Figure 5. PM6050 Block Diagram

Page 14 - Color Display

June 07, 2004 21Level 2 Service Manual Theory of OperationRTR00 OverviewThe RTR6300 is a RF transceiver IC, an integral component of QUALC

Page 15 - Battery Function

22 June 07, 2004 Theory of Operation A840Phase-locked loop circuits:• PLL#1 and an on-chip VCO supports cdma2000 TX modes•PLL#2Supports EGSM RX

Page 16 - Operation

June 07, 2004 23Level 2 Service Manual Theory of OperationFigure 7. RFR6000 Block DiagramNumerous secondary functions are integrated on-c

Page 17 - Theory of Operation

24 June 07, 2004 Theory of Operation A840The RFL6000 IC includes two LNA circuits, one optimized for the Cellular band and one for PCS. The LNA

Page 18

6809485A78-O June 07, 2004 27Level 2 Service Manual Tools and Test EquipmentTools and Test EquipmentThe following table lists tools and te

Page 19 - PM6050 Device Description

28 June 07, 2004 6809485A78-ODisassembly A840DisassemblyThe procedures in this section provide instructions for the disassembly of a A840 telep

Page 20 - Theory of Operation A840

6809485A78-O June 07, 2004 29Level 2 Service Manual DisassemblyRemoving the Battery Cover1. Ensure the phone is turned off.2. Slide the ba

Page 21 - RTR00 Overview

30 June 07, 2004 6809485A78-ODisassembly A840Removing and Replacing the RUIM (Removable User Information Memory)1. Remove the battery cover as

Page 22 - RFR6000 Overview

6809485A78-O June 07, 2004 31Level 2 Service Manual DisassemblyRemoving and Replacing the Battery1. Ensure the phone is turned off.2. Remo

Page 23 - RFL6000 Overview

6809485A78-O June 07, 2004 3Level 2 Service Manual ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 24

32 June 07, 2004 6809485A78-ODisassembly A840Removing and Replacing the Antenna1. Remove the battery cover, and battery as described in the pro

Page 25 - Tools and Test Equipment

6809485A78-O June 07, 2004 33Level 2 Service Manual DisassemblyRemoving and Replacing the Keypad Bezel1. Remove the battery cover, battery

Page 26 - Disassembly

34 June 07, 2004 6809485A78-ODisassembly A840Removing and Replacing the Speaker Cover1. Remove the battery cover, battery, antenna, and keypad

Page 27 - Battery Cover Latc

6809485A78-O June 07, 2004 35Level 2 Service Manual DisassemblyRemoving and Replacing the Keyboard Stiffener1. Remove the battery cover, b

Page 28

36 June 07, 2004 6809485A78-ODisassembly A8405. Lift the keyboard stiffener away from the phone.6. To replace, align the keyboard stiffener to

Page 29

6809485A78-O June 07, 2004 37Level 2 Service Manual Disassembly3. Use the T6 driver to remove the two flip assembly screws. Set the screws

Page 30

38 June 07, 2004 6809485A78-ODisassembly A8405. Turn the transceiver board and rear assembly over and lift the transceiver board away from the

Page 31 - 2 snap locations

6809485A78-O June 07, 2004 39Level 2 Service Manual DisassemblyRemoving and Replacing the Flip Display Lens1. Remove the battery cover, ba

Page 32

40 June 07, 2004 6809485A78-ODisassembly A840Removing and Replacing the Flip Assembly Sleeve 1. Remove the battery cover, battery, antenna, key

Page 33 - Keyboard Stiffener

6809485A78-O June 07, 2004 41Level 2 Service Manual DisassemblyRemoving and Replacing the Flip Knuckle1. Remove the battery cover, battery

Page 34 - Connector

4 June 07, 2004 6809485A78-OContents A840

Page 35

42 June 07, 2004 6809485A78-ODisassembly A840Removing the Display Bezel1. Remove the battery cover, battery, antenna, keypad bezel, speaker cov

Page 36

6809485A78-O June 07, 2004 43Level 2 Service Manual DisassemblyRemoving the Display Module1. Remove the battery cover, battery, antenna, k

Page 37

44 June 07, 2004 6809485A78-ODisassembly A840Removing and Replacing the Keypad 1. Remove the antenna, battery cover, battery, rear housing asse

Page 38

6809485A78-O June 07, 2004 45Level 2 Service Manual DisassemblyRemoving the Motor/Vibrator Assembly1. Remove the battery cover, battery, a

Page 39

46 June 07, 2004 6809485A78-ODisassembly A840

Page 40 - Removing the Display Bezel

6809485A78-O June 07, 2004 47Level 2 Service Manual Phone IdentificationPhone IdentificationPersonality TransferA personality transfer is

Page 41 - Removing the Display Module

48 June 07, 2004 6809485A78-OTroubleshooting A840TroubleshootingTable 2. Level 1 and 2 Troubleshooting Chart Symptom Probable Cause Verificati

Page 42

6809485A78-O June 07, 2004 49Level 2 Service Manual Troubleshootingb) Microphone defective.Gain access to microphone. Disconnect and subst

Page 43

50 June 07, 2004 6809485A78-OTroubleshooting A840Programming: Software Upgrade and FlexingContact your local technical support engineer for inf

Page 44 - Disassembly A840

6809485A78-O June 07, 2004 51Level 2 Service Manual TroubleshootingExploded View DiagramFigure 28. Exploded View32456789101112131416151819

Page 45 - Phone Identification

6809485A78-O June 09, 2004 5Level 2 Service Manual IntroductionIntroductionMotorola® Inc. maintains a worldwide organization that is dedicate

Page 46 - Troubleshooting

52 June 07, 2004 6809485A78-OTroubleshooting A840Exploded View Parts List Table 3. Exploded View Parts List Item NumberMotorola Part NumberDes

Page 47

6809485A78-O June 07, 2004 53Level 2 Service Manual TroubleshootingAccessoriesTable 4. Accessories Description Part NumberPower SolutionsB

Page 48 - Related Publications

54 June 07, 2004 6809485A78-OTroubleshooting A840

Page 49 - Exploded View Diagram

6809485A78-O June 04, 2004 Index-1Level 2 Service Manual IndexAalert settings 15antenna, removing and replacing 32Bbatterycharge indicator 15fu

Page 50 - Exploded View Parts List

Index-2 June 04, 2004 6809485A78-OIndex A840motor/vibrator 45speaker cover 34replacement partsordering 8replacingantenna 32battery 31battery co

Page 52 - Troubleshooting A840

MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc.® Reg. U.S. Pat. & Tm. Off.© 2004

Page 53

6 June 09, 2004 6809485A78-OIntroduction A840Computer Program CopyrightsThe Motorola products described in this manual may include Motorola

Page 54

6809485A78-O June 09, 2004 7Level 2 Service Manual IntroductionConventionsThe following special characters and typefaces are used in this man

Page 55

8 June 09, 2004 6809485A78-OIntroduction A840Parts ReplacementWhen ordering replacement parts or equipment, include the Motorola part numbe

Page 56 - @6809485A75@

6809485A78-O June 09, 2004 9Level 2 Service Manual SpecificationsSpecifications General Function Specification Frequency Range 1900 MHz PC

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