Trоubleshooting Guide.PDF

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Troubleshooting Guide
- electrical -
ELM
J10, J10i2
1235-7844
PA1
©
Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (elect)
CONTENTS
1 Troubleshooting Flow...................................................................... 3
1.1 Display.................................................................................................... 3
1.2 Illumination ............................................................................................ 3
1.3 Keys and Sensors.................................................................................. 4
1.4 Alert and RTC......................................................................................... 5
1.5 Audio ...................................................................................................... 5
1.6 On/Off ..................................................................................................... 6
1.7 Charging/Capacity ................................................................................. 6
1.8 SIM .......................................................................................................... 7
1.9 Camera ................................................................................................... 7
1.10 Data Communication ............................................................................. 8
1.11 Micro SD ................................................................................................. 8
1.12 Network/Signal....................................................................................... 9
2 Revision History ............................................................................. 10
1235-7844
PA1
©
Sony Ericsson Mobile Communications AB – Company Internal
2(11)
Troubleshooting Guide (elect)
1
Troubleshooting Flow
Display
visual check all pins
For information about troubleshooting and optional troubleshooting equipment, refer to the
‘Generic Repair Manual – electrical’, section ‘Troubleshooting Directions’!
1.1
Symptom:
Display problem
Replace: X4200
if damaged
1.2
Illumination
Symptom:
No Display illumination
visual check B10-B11
Replace: X4200
if damaged
L4201
if more than 1 Ohm
C4200
or
C4203
if short circuit
N4200
Symptom:
No Navigation keyboard illumination
Replace: V7010
if left part missing
V7011
if right part missing
Symptom:
No Numeric keyboard illumination
Replace: V7012
if right upper part missing
V7013
if left upper part missing
V7017
if left lower part missing
V7018
if right lower part missing
Symptom:
Flash LED`s problems
visual check pin 32
Replace: X1203
if damaged
V2203
N4406
1235-7844
PA1
©
Sony Ericsson Mobile Communications AB – Company Internal
3(11)
Troubleshooting Guide (elect)
Troubleshooting Flow
1.3
Keys and Sensors
Symptom:
Off key problems
Replace: V2475
Symptom:
Camera problems
Replace: X1202
if damaged
Symptom:
Volume Up problems
Replace: S7030
Symptom:
Volume Down problems
Replace: S7029
Symptom:
Opto Sensor problems
Replace: N1201
Symptom:
Accelerometer problems
Replace: N2411
visual check all pins
1.4
Alert / RTC
Symptom:
Vibrator problems
Replace: L1003
or
L1005
if more than 2 Ohm
Symptom:
The clock gain or lose time. SERP calibrating is performed
Replace: B2100
1235-7844
PA1
©
Sony Ericsson Mobile Communications AB – Company Internal
4(11)
Troubleshooting Guide (elect)
Troubleshooting Flow
1.5
Audio
Symptom:
No Main Microphone
Replace: B3110
Symptom:
No secondary Microphone / Digital Microphone Module
Replace: L3100
or
L3109
if more than 1 Ohm
B3100
N1202
N1204
Symptom:
No Earphone
visual check Pin 1, 2 and 3
Replace: X1201
if damaged
L3103
or
L3104
if more than 1 Ohm
Symptom:
No or bad Loudspeaker
Replace: X1205
or
X1206
if damaged
V3101
if X1205 or X1206 are short circuit to GND
L3101, L3102, L3105
or
L3106
if more than 1 Ohm
N3100
Symptom:
No Hands-free (PHF) Aux Microphone
visual check Pin 9 (3) and 10 (4)
Replace: X2405
if damaged
L2401
or
L2402
if more than 2 Ohm
N3101
Symptom:
No Hands-free (PHF) Aux Earphone
visual check Pin 11 (2) ,8 (5) and 7 (6)
Replace: X2405
if damaged
L2403, L2404
or
L2406
if more than 2 Ohm
N3101
Symptom:
No Microphone and no Earphone .Phone stuck in PHF mode when PHF is not attached
Replace: V2417
if short circuit
Symptom:
No Hands-free (PHF) audio .Phone not recognizes PHF set
visual check Pin 5 (8) and 4 (9)
Replace: X2405
if damaged
1235-7844
PA1
©
Sony Ericsson Mobile Communications AB – Company Internal
5(11)

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