motorola V6 Service Manual

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Doc. No: TSG_3G_V6 Version: 1.0
Date: 23.07.2007
Troubleshooting Guide MotoRAZR maxx V6
Level 3
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Doc. No: TSG_3G_V6 Version: 1.0
Motorola GmbH, Mobile Devices, CSS Center
Date: 23.07.2007
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Revision History

Date Version Comment 2007-07-23 1.0 Initial release of document

Contents

Revision History .......................................................................................................................2
Contents...................................................................................................................................2
Introduction...............................................................................................................................3
Audience...............................................................................................................................3
Requirements .......................................................................................................................3
About this Troubleshooting Guide ........................................................................................3
Related Documents..............................................................................................................3
Basic information on troubleshooting Motorola 3G phones..................................................3
Tools.........................................................................................................................................4
Required Tools .....................................................................................................................4
Additional Tools....................................................................................................................4
Troubleshooting Level 2...........................................................................................................5
No speaker audio..................................................................................................................5
No microphone audio............................................................................................................7
No ring tone/alert function.....................................................................................................8
No vibrator function.............................................................................................................10
No display/-backlight/poor picture quality...........................................................................12
Keypad/ side keys – no function.........................................................................................13
Telephone will not turn on or stay on..................................................................................14
Can’t make voice call/no service ........................................................................................15
Troubleshooting Level3..........................................................................................................16
Audio problems...................................................................................................................16
No speaker audio................................................................................................................16
No microphone audio..........................................................................................................17
No ring tone/alert function...................................................................................................18
No vibrator function.............................................................................................................19
No display/-backlight/poor picture quality...........................................................................20
Flip detect problem.............................................................................................................21
Keypad/side keys – no function/hangs...............................................................................22
On/Off switch not working...................................................................................................23
No keypad backlight ...........................................................................................................24
SIM card – check card/insert SIM.......................................................................................25
TransFlash Memory Card – no function .............................................................................26
No turn on...........................................................................................................................27
Turn off – powers down in standby.....................................................................................29
Battery life short/charging problems/no turn on due to excessive current drain.................29
Does not charge .................................................................................................................30
Invalid Battery.....................................................................................................................31
Battery Thermistor problem................................................................................................32
Accessory detection problem..............................................................................................33
Can’t make voice call/no service ........................................................................................34
No or low TX output power in GSM....................................................................................34
No or low TX output power in WCDMA ..............................................................................36
No RX GSM........................................................................................................................37
No RX WCDMA..................................................................................................................38
Flash procedures....................................................................................................................40
Software update..................................................................................................................40
Recovering Flash Memory in Forced Flash Mode..............................................................40
Repair Support Information
Doc. No: TSG_3G_V6 Version: 1.0
Motorola GmbH, Mobile Devices, CSS Center
Date: 23.07.2007
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Introduction

Audience

This document aids service personnel in testing and repairing V6 telephones. Service personnel should be familiar with electronic assembly, testing, and troubleshooting methods, and with the operation and use of associated test equipment.

Requirements

Follow the current Technical Requirements for servicing Motorola products as described in
Requirement List for Motorola Authorized Service Centers.
the

About this Troubleshooting Guide

This document was created to assist analyzers troubleshooting problems on Motorola 3G Phones. All information was collected during the repair in the Repair Entitlement Group Flensburg.

Related Documents

V6 Level 1&2 Service Manual

V6 mechanical Overview

V6 Disassembly Video

V6 Assembly Video

Basic information on troubleshooting Motorola 3G phones

Make sure on any problem, that it is not a software related one by simply doing a 1FF reflash with a Master Reset/Master Clear afterwards. In many cases a simple Master Reset can already fix the problem.
Make sure all contacts are clean. Use newest approved Software. Do a visual inspection on customer abuse/liquid contamination.
Repair Support Information
Doc. No: TSG_3G_V6 Version: 1.0
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Date: 23.07.2007
Title: Troubleshooting-Guide MotoRAZR maxx V6 Page: 4 / 40

Tools

Required Tools

Main Lens Press Fixture http://md-service.corp.mot.com/Bulletins/PPreview.aspx?Key=1827 Keypad Tab Bent Fixture http://md-service.corp.mot.com/Bulletins/PPreview.aspx?Key=1830

Additional Tools

Following passive and active cooling devices are available at
V6 Shield Direktkühlung POP-Processor Artikelnummer: 946071
www.multitast.de.
Figure 1
Figure 2
V6 Shield Direktkühlung Atlas Artikelnummer: 946072
V6 Teflon shield-Set (3pcs) Artikelnummer: 946073
Figure 3
Repair Support Information
Doc. No: TSG_3G_V6 Version: 1.0
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Date: 23.07.2007
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Troubleshooting Level 2

No speaker audio

Probable cause:

a) Transceiver board assembly defective

Verification: Temporarily replace the flip assembly with a known good flip assembly. If the fault has not been cleared, it is because of a defective transceiver board assembly. Forward to an authorized Level 3 Service Center or proceed to

b) Speaker bad soldered/defective

Remove flip cover and visually inspect soldered contacts at speaker. If not ok, resolder speaker. Otherwise replace speaker with a new one.
level 3 troubleshooting.
Figure 4

c) Keyboard flex assy defective

Remove flip cover. Unseat the display module assembly flex connector from its socket and temporarily connect the display module assembly and transceiver board assembly with a known good keyboard flex assy as shown on Figure 3. Check speaker function by turning on a 1 kHz test tone via RepairStudio/Radiocomm. If the fault has been cleared, reassemble flip assy with new keyboard flex assy.
Repair Support Information
Doc. No: TSG_3G_V6 Version: 1.0
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Date: 23.07.2007
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Figure 5

d) Flip PCB defective

If the fault has not been cleared with one of the previous steps a), b) or c), it is most likely a defective Flip PCB.
Repair Support Information
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Date: 23.07.2007
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No microphone audio

Probable cause:

a) Dust/Foreign particles on microphone

Gain access to the transceiver board assembly and make sure that no dust/foreign particles are on microphone/speaking hole in flip assembly
Figure 6

b) Transceiver board assembly defective

Forward to an authorized Level 3 Service Center or proceed to
level 3 troubleshooting.
Repair Support Information
Doc. No: TSG_3G_V6 Version: 1.0
Motorola GmbH, Mobile Devices, CSS Center
Date: 23.07.2007
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No ring tone/alert function

Probable cause:

a) Faulty alert speaker (part of rear housing assy)

Verification: Remove rear housing assy and temporarily replace the rear housing assy with a known good one. If the fault has been cleared, reassemble with new rear housing assy.
Figure 7

b) Faulty connection transceiver board assembly to alert speaker

Remove antenna assembly and check contacts. Temporarily replace antenna assy with a known good one. If the fault has been cleared, reassemble with a new antenna assy.
Repair Support Information
Doc. No: TSG_3G_V6 Version: 1.0
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Figure 8

c) Faulty transceiver board assembly

Verification: temporarily replace the transceiver board assembly with a known good one. f the fault has been cleared, forward to an authorized Level 3 Service Center or proceed to
level 3
troubleshooting.
Repair Support Information
Doc. No: TSG_3G_V6 Version: 1.0
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Date: 23.07.2007
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No vibrator function

Probable cause:

a) Transceiver board assembly defective

Verification: Temporarily replace the flip assembly with a known good flip assembly. If the fault has not been cleared, it is because of a defective transceiver board assembly. Forward to an authorized Level 3 Service Center or proceed to
level 3 troubleshooting.

b) Vibrator bad soldered/defective

Remove flip cover and visually inspect soldered contacts at vibrator. If not ok, resolder vibrator. Otherwise replace vibrator with a new one.

c) Keyboard flex assy defective

Remove flip cover. Unseat the display module assembly flex connector from its socket and temporarily connect the display module assembly and transceiver board assembly with a known good keyboard flex assy as shown on Figure 8. Check vibrator function by turning on vibrator via RepairStudio/Radiocomm. If the fault has been cleared, reassemble flip assy with new keyboard flex assy.
Repair Support Information
Figure 9
Doc. No: TSG_3G_V6 Version: 1.0
Motorola GmbH, Mobile Devices, CSS Center
Date: 23.07.2007
Title: Troubleshooting-Guide MotoRAZR maxx V6 Page: 11 / 40
Figure 10

d) Flip PCB defective

If the fault has not been cleared with one of the previous steps a), b) or c), it is most likely a defective Flip PCB.
Repair Support Information
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Date: 23.07.2007
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No display/-backlight/poor picture quality

Probable cause:

a) Transceiver board assembly defective

Verification: Temporarily replace the flip assembly with a known good flip assembly. If the fault has not been cleared, it is because of a defective transceiver board assembly. Forward to an authorized Level 3 Service Center or proceed to
level 3 troubleshooting.

b) Transceiver board connections faulty

Remove rear housing assy from unit and check general condition of flexible printed cable (keyboard flex assy). If the flex is good, check that the flex connector is fully pressed down.

c) Keyboard flex assy defective

Remove flip cover. Unseat the display module assembly flex connector from its socket and temporarily connect the display module assembly and transceiver board assembly with a known good keyboard flex assy as shown on Figure 9. Check function of both displays. If the fault has been cleared, reassemble flip assy with new keyboard flex assy.
Figure 11

d) Main display or CLI display faulty

Check function of both displays. If just one of them has no function, most likely that display itself is defective

e) Flip PCB defective

If the fault has not been cleared with one of the previous steps a), b), c) or d), it is most likely a defective Flip PCB.
Repair Support Information
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