Sony Ericsson Txt pro,CK15i,CK15a Troubleshooting Manual
1246-9261 Rev 1
© Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide
- electrical -
Txt pro,CK15i,CK15a
Troubleshooting Guide (elect)
1246-9261 Rev 1
© Sony Ericsson Mobile Communications AB – Company Internal
2(16)
CONTENTS
1 Troubleshooting Flow....................................................................3
1.1 Display...................................................................................................3
1.2 Touch.....................................................................................................4
1.3 Illumination ...........................................................................................5
1.4 Keys & Sensors ....................................................................................6
1.5 Alert & RTC ...........................................................................................7
1.6 Audio .....................................................................................................8
1.7 On/Off ....................................................................................................9
1.8 Charging & Capacity ..........................................................................10
1.9 SIM .......................................................................................................11
1.10 Camera ................................................................................................ 12
1.11 Data Communication..........................................................................13
1.12 Memory Stick ...................................................................................... 14
1.13 Network & Signal................................................................................15
2 Revision History...........................................................................16
Troubleshooting Guide (elect)
1246-9261 Rev 1
© Sony Ericsson Mobile Communications AB – Company Internal
3(16)
1 Troubleshooting Flow
1.1 Display
Symptom:
Replace:
Display problem
J502, if damaged, visual check pin 1,3,5,7,9,11,13,15,17,19,21,23,25
U506, U507 or U508, if damaged
Troubleshooting Guide (elect)
1246-9261 Rev 1
© Sony Ericsson Mobile Communications AB – Company Internal
4(16)
Troubleshooting Flow
1.2 Touch
Symptom:
Replace:
Touch Screen problems
J502, if damaged vision check pin 24,26,30,32
Troubleshooting Guide (elect)
1246-9261 Rev 1
© Sony Ericsson Mobile Communications AB – Company Internal
5(16)
Troubleshooting Flow
1.3 Illumination
Symptom:
Replace:
No Display illumination
J502, if damaged, visual check pin 40,42,44,46,48,50
Symptom:
Replace:
No Main key LED
D705, if short circuit
Q701, if damaged
D701, D702, D703, D704 if damaged
Symptom:
Replace:
No Pre-charge Charge LED
J502, if damaged vision check pin 16
Q501, if damaged
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