Sony Ericsson G900 Troubleshooting Manual
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Also See for G900:
- White paper (93 pages) ,
- User manual (72 pages) ,
- Working instructions (29 pages)
Table of Contents
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See also:
User Manual
Trouble Shooting Guide, Mechanical
Applicable for G900
Contents
1
General................................................................................................................................................. 2
2
Network/Signal Problems ..................................................................................................................... 8
3
Audio Problems .................................................................................................................................... 9
4
Key Problems ..................................................................................................................................... 13
5
Display Problems ............................................................................................................................... 20
6
Illumination Problems ......................................................................................................................... 22
7
Alert Problems .................................................................................................................................... 23
8
Charging/Capacity Problems.............................................................................................................. 24
9
Rear Camera Problems...................................................................................................................... 25
10
Video Call Camera Problems ............................................................................................................. 27
11
Flash Problems................................................................................................................................... 28
12
SIM Problems ..................................................................................................................................... 29
13
Data Transfer Problems using a Data Cable ..................................................................................... 30
14
Bluetooth and WLAN Problems.......................................................................................................... 31
15
Hands-Free Problems ........................................................................................................................ 32
16
Revision History.................................................................................................................................. 33
1210-5425
Rev1
©
Company Internal
Sony Ericsson Mobile Communications AB
1.1
Service functions in the software ....................................................................................... 2
1.2
Misuse and other no warranty issues................................................................................. 3
Microphone:.................................................................................................................................. 9
Receiver: .................................................................................................................................... 10
Rear Speaker: ............................................................................................................................ 12
Keyboard: ................................................................................................................................... 13
Numeric Keyboard:..................................................................................................................... 14
Volume key:................................................................................................................................ 15
Power Key: ................................................................................................................................. 16
Hold Key:.................................................................................................................................... 17
Volume key:................................................................................................................................ 18
Touch screen:............................................................................................................................. 19
Keyboard Illumination:................................................................................................................ 22
Display Illumination: ................................................................................................................... 22
Rear speaker:............................................................................................................................. 23
Trouble Shooting Guide, Mechanical
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Summary of Contents for Sony Ericsson G900
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Page 1: Table Of Contents
Video Call Camera Problems ......................27 Flash Problems........................... 28 SIM Problems ............................. 29 Data Transfer Problems using a Data Cable ..................30 Bluetooth and WLAN Problems......................31 Hands-Free Problems ........................32 Revision History..........................33 1210-5425 Rev1 © Company Internal Sony Ericsson Mobile Communications AB... -
Page 2: General
It looks like this: Display Camera Touch screen Illumination LED’s Keyboard Vibrator Speaker’s Microphone FM Radio Memory Stick NOTE: Different names may occur depending on language setting and customization. 1210-5425 Rev1 2(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 3: Misuse And Other No Warranty Issues
Below are some examples of what is not covered by warranty. Front window broken due LCD cracked due to Corrosion components on Clear scratches Mark after drop to misuse. drop. the PCB. 1210-5425 Rev1 3(33) © Company Internal Sony Ericsson Mobile Communications AB... - Page 4 Corrosion components on the PCB. Corrosion components on the PCB. SIM reader damaged by liquid. System connector damaged by liquid Components around system System connector pad(s) damaged connector damaged by liquid by liquid 1210-5425 Rev1 4(33) © Company Internal Sony Ericsson Mobile Communications AB...
- Page 5 Make a general visual inspection for misuse, corrosion or oxidation from liquid damage. No further action should be taken for a liquid damaged phone. Handle the unit according to local directives. 1.2.4 Gaskets Any gaskets that are damaged before or during repair should be replaced. 1210-5425 Rev1 5(33) © Company Internal Sony Ericsson Mobile Communications AB...
- Page 6 If damaged – Send to an electrical repair location • Inspect whether the Flash Flex foil If improperly connected - Reestablish assembly is properly connected to proper connection the circuit board 1210-5425 Rev1 6(33) © Company Internal Sony Ericsson Mobile Communications AB...
- Page 7 If the Flash Flex is damaged – Replace it Note: New Flash Flex Require calibration with ITP in SL4 centre • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 7(33) © Company Internal Sony Ericsson Mobile Communications AB...
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Page 8: Network/Signal Problems
If the issue has not been resolved Clean the antenna-to-board connectors on the circuit board and replace the antenna flex • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 8(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 9: Audio Problems
• If improperly mounted - Secure Visually inspect the microphone properly connection • If damaged. Replace it • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 9(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 10: Receiver
• Inspect whether the Flash Flex foil If improperly connected - Reestablish assembly is properly connected to proper connection the circuit board 1210-5425 Rev1 10(33) © Company Internal Sony Ericsson Mobile Communications AB... - Page 11 Change the Flash Flex Note: New Flash Flex Require calibration with ITP in SL4 centre • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 11(33) © Company Internal Sony Ericsson Mobile Communications AB...
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Page 12: Rear Speaker
Clean the rear speaker’s contact pads on the circuit board. • Replace the Speaker Box • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 12(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 13: Key Problems
If the issue has not been resolved Replace the key foil complete, if it has not already been replaced • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 13(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 14: Numeric Keyboard
Replace the numeric keyboard and or is intermittent the key foil complete, if they have not already been replaced • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 14(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 15: Volume Key
• If the key is damaged – Replace it • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 15(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 16: Power Key
Flash Flex the circuit board Note: New Flash Flex Require calibration with ITP in SL4 centre • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 16(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 17: Hold Key
If the hold key portion of the dome foil assembly is damaged, replace the dome foil assembly • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 17(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 18: Volume Key
• If the key is damaged – Replace it • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 18(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 19: Touch Screen
Front Asm • If the issue has not been resolved Replace the Front Asm • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 19(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 20: Display Problems
If the issue has not been resolved Replace the LCD if it has not been replaced • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 20(33) © Company Internal Sony Ericsson Mobile Communications AB... - Page 21 If a display has • Perform the following action Replace the Diplay lines or missing pixels • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 21(33) © Company Internal Sony Ericsson Mobile Communications AB...
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Page 22: Illumination Problems
Before proceeding Perform a setting reset Illumination: • Perform the following action Replace the Display • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 22(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 23: Alert Problems
Clean the rear speaker’s contact pads on the circuit board. • Replace the Speaker Box • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 23(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 24: Charging/Capacity Problems
If damaged – Send to an electrical repair location • If the issue has not been resolved Replace the I/O connector • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 24(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 25: Rear Camera Problems
Note: New Camera module Require calibration with ITP in SL4 centre • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 25(33) © Company Internal Sony Ericsson Mobile Communications AB... - Page 26 If the key is damaged – Replace it • If the issue has not been resolved Replace the key foil complete • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 26(33) © Company Internal Sony Ericsson Mobile Communications AB...
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Page 27: Video Call Camera Problems
Do not see image Perform the following action Replace VGA Camera when in video call mode • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 27(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 28: Flash Problems
If the issue is still not resolved • Note: New Flash Flex Require calibration with ITP in SL4 centre • If the issue is still not resolved Escalate to an electrical repair level 1210-5425 Rev1 28(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 29: Sim Problems
SIM is to a particular carrier and whether inserted the correct carrier’s SIM is being used • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 29(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 30: Data Transfer Problems Using A Data Cable
Problem Perform the following action Replace the I/O connector transferring data using a direct connection • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 30(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 31: Bluetooth And Wlan Problems
If dirty – Clean contacts on the PCB If the issue has not been resolved Replace the carrier • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 31(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 32: Hands-Free Problems
Replace the I/O connector not work • Check connector pads on PWB, clean if necessary • If the issue has not been resolved Escalate to an electrical repair level 1210-5425 Rev1 32(33) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 33: Revision History
Trouble Shooting Guide, Mechanical 16 Revision History Rev. Date Changes / Comments 2008-05-21 Initial Release 1210-5425 Rev1 33(33) © Company Internal Sony Ericsson Mobile Communications AB...
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