Trouble_Shooting_Guide.PDF

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Trouble Shooting Guide, Electrical
Trouble Shooting Guide, Electrical
Applicable for K510
Contents
1
2
General ............................................................................................................... 2
Repair Actions for Manual Test Failures......................................................... 3
2.1
Audio ..................................................................................................... 3
2.2
On/Off.................................................................................................... 3
2.3
Charging................................................................................................ 3
2.4
Keys ...................................................................................................... 3
2.5
Joystick.................................................................................................. 3
2.6
Phone hang ........................................................................................... 3
2.7
Real time clock ...................................................................................... 3
2.8
IR........................................................................................................... 3
2.9
Display................................................................................................... 3
2.10
Illumination ............................................................................................ 3
2.11
Camera.................................................................................................. 3
2.12
Red LED................................................................................................ 3
2.13
SIM ........................................................................................................ 3
Repair Actions for Go/No Go Test Failures .................................................... 4
Repair Actions for Calibration Failures........................................................... 4
Revision History ................................................................................................ 5
3
4
5
4/000 21-2/FEA 209 544/102 A
Company Internal
©
Sony Ericsson Mobile Communications AB
Approved according to 1/109 41-4/FCP 101 3650/2
Trouble Shooting Guide, Electrical
1 General
The purpose of this document is to indicate the electrical level repair actions associated with
the different failure symptoms.
For symptoms that have multiple repair actions, the repair actions are listed in order of their
probability of creating a successful repair. The first action has the highest probability, and
subsequent actions have lower probabilities. The intention is for the repair technician to
implement the first repair action and then retest the phone. If the phone continues to fail the
same test, then the technician should continue to the second repair action. If the phone
continues to fail the same test after all of the repair actions are exhausted, then the phone will
be considered not reparable at this level.
This document should be used only after the actions from the Mechanical Trouble Shooting
Guide have been exhausted for the specific symptom.
Voltage, current, and resistance information is provided for some symptoms to enable faster
repairs. Perform current measurements using a dummy battery and power supply with digital
current display. The phone should be fully assembled. Perform voltage and resistance
measurements with a multimeter. Purchasing this equipment and performing these
measurements is optional but recommended.
4/000 21-2/FEA 209 544/102 A
Company Internal
©
Sony Ericsson Mobile Communications AB
2(5)
Trouble Shooting Guide, Electrical
2 Repair Actions for Manual Test Failures
Failure
2.1 Audio
Failure Symptom
No audio in headset
No audio in earphone.
No audio in polyphonic speaker
Repair Action
•
Replace D501
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Replace D501
Replace D500
Replace N500
Replace D500
Replace N1
Replace D500
Replace N1
Replace S901 if damaged
Replace X601 if damaged
Replace G400
Replace D500
Replace X601 if damaged
Replace G400
Replace D500
Replace V611
Replace V609
Replace V610
Replace X900
2.2 On/Off
Current draw when powered off
Current draw greater than 300mA
Can’t power on
Turns off by itself
2.3 Charging
Does not charge
2.4 Keys
Main keyboard
Side keys
•
Replace S901, S902, S903
Replace S900
Replace G400
Replace G400
Replace C631
Replace D400
Replace X800
Replace D802
Replace X800
Replace X900
2.5 Joystick
2.6 Phone hang
2.7 Real time clock
2.8 IR
2.9 Display
2.10 Illumination
No display illumination
No keyboard illumination
2.11 Camera
2.12 Red LED
2.13 SIM
•
Replace D804
•
Replace V613
•
Replace X600
4/000 21-2/FEA 209 544/102 A
Company Internal
©
Sony Ericsson Mobile Communications AB
3(5)
Trouble Shooting Guide, Electrical
3 Repair Actions for Go/No Go Test Failures
Failure
Fails any part of Go/No Go testing
Fails Go/No Go test, but passes calibration
Fails Go/No Go test after passing calibration
Repair Action
Run the calibration routine.
Replace the antenna.
Rerun the phone through Go/No Go testing.
Change X1 and retest.
4 Repair Actions for Calibration Failures
Failure
Fails any part of the calibration routine
Repair Action
Replace X1 if damaged
•
N1 – Approved Centers Only
4/000 21-2/FEA 209 544/102 A
Company Internal
©
Sony Ericsson Mobile Communications AB
4(5)
Trouble Shooting Guide, Electrical
5 Revision History
Rev.
A
Date
2006-05-05
Changes / Comments
First release
4/000 21-2/FEA 209 544/102 A
Company Internal
©
Sony Ericsson Mobile Communications AB
5(5)

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