Sony Ericsson K790 Troubleshooting Manual
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Also See for K790:
- User manual (95 pages) ,
- Training manual (6 pages) ,
- Quick manual (2 pages)
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Trouble Shooting Guide, Electrical
Applicable for K790, K800
Contents
1
General............................................................................................................................. 2
2
Repair Actions for Manual Test Failures ..................................................................... 3
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
2.14
2.15
2.16
2.17
2.18
2.19
2.20
2.21
2.22
2.23
2.24
2.25
2.26
2.27
2.28
2.29
3
Repair Actions for Go/No Go Test Failures ................................................................. 5
4
Repair Actions for Calibration Failures ....................................................................... 5
4.1
4.2
5
Revision History.............................................................................................................. 6
4/000 21-2/FEA 209 544/112 C
©
Company Internal
Sony Ericsson Mobile Communications AB
Power On / Off .................................................................................................. 3
Software Flash ................................................................................................... 3
Charging ............................................................................................................ 3
Charging indicator (RED LED)......................................................................... 3
Hands-Free connection (PHF)........................................................................... 3
SIM.................................................................................................................... 3
Display............................................................................................................... 3
Display /Keypad LED Illumination................................................................... 4
Keypad Keys ..................................................................................................... 4
Volume Down/Up Keys .................................................................................... 4
Camera Key ....................................................................................................... 4
On/Off key......................................................................................................... 4
Gaming (A and B) Keys .................................................................................... 4
Media Player Key .............................................................................................. 4
Navigation Key (Joystick)................................................................................. 4
Vibrator ............................................................................................................. 4
Earphone (Speaker, Receiver) ........................................................................... 4
Polyphonic Speaker (Alert, Speakerphone)....................................................... 4
Backup Battery .................................................................................................. 4
Microphone ....................................................................................................... 4
Real Time Clock................................................................................................ 4
Camera (Large, Rear) ........................................................................................ 4
Camera (Small, Front)
K800 ONLY. K790 does not include this
Camera Flash ..................................................................................................... 4
Camera Lens Cover Sensor ............................................................................... 4
IR ....................................................................................................................... 4
Bluetooth ........................................................................................................... 4
FM Radio........................................................................................................... 4
Memory Card .................................................................................................... 4
K790 .................................................................................................................. 5
K800 .................................................................................................................. 5
Trouble Shooting Guide, Electrical
camera...... 4
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Table of Contents
Related Manuals for Sony Ericsson K790
Summary of Contents for Sony Ericsson K790
- Page 1 Microphone ....................... 4 2.21 Real Time Clock....................4 2.22 Camera (Large, Rear) ..................4 2.23 Camera (Small, Front) K800 ONLY. K790 does not include this camera..4 2.24 Camera Flash ..................... 4 2.25 Camera Lens Cover Sensor ................4 2.26 IR ........................
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Page 2: General
The phone should be fully assembled. Perform voltage measurements with a multimeter. Perform resistance measurements with a multimeter. 4/000 21-2/FEA 209 544/112 C 2(6) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 3: Repair Actions For Manual Test Failures
2.4 Charging indicator (RED LED) V3110 • 2.5 Hands-Free connection (PHF) N4202 • N2000 • 2.6 SIM Replace X2302 if damaged • N2000 • 2.7 Display Replace X3102 if damaged 4/000 21-2/FEA 209 544/112 C 3(6) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 4: Display /Keypad Led Illumination
2.22 Camera (Large, Rear) Replace X2505 if damaged • N2202 2.23 Camera (Small, Front) K800 ONLY • Replace X2510 if damaged K800 ONLY. K790 does not include this camera. • D3100, D3101 • N2210 • 2.24 Camera Flash Replace X2550 if damaged •... -
Page 5: Repair Actions For Go/No Go Test Failures
Repair Action • Replace X1002 if damaged Fails any part of the calibration routine • Replace X1000 if damaged • A1200 UMTS – Approved Centers Only 4/000 21-2/FEA 209 544/112 C 5(6) © Company Internal Sony Ericsson Mobile Communications AB... -
Page 6: Revision History
5 Revision History Rev. Date Changes / Comments 2006-Jun-09 Initial release 2006-July-17 Added support for K790 2006-Sep-01 Added A1200 and A1300 to Power On section Added D1400 to Bluetooth section Added Calibration section 4/000 21-2/FEA 209 544/112 C 6(6) ©...
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