Sony Ericsson G705 User manual
State: Released Rev 2
Troubleshooting Guide
- electrical -
G705
©Sony Ericsson Mobile Communications AB – Company Internal
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
CONTENTS
1Troubleshooting Flow......................................................................3
1.1 Display .................................................................................................... 3
1.2 Illumination............................................................................................. 4
1.3 Keys & Sensors......................................................................................5
1.4 Alert & RTC.............................................................................................6
1.5 Audio.......................................................................................................7
1.6 On/Off......................................................................................................8
1.7 Charging & Capacity..............................................................................9
1.8 SIM......................................................................................................... 10
1.9 Camera..................................................................................................11
1.10 Data Communication ...........................................................................12
1.11 Memory Stick........................................................................................ 13
1.12 Network & Signal.................................................................................. 14
2Revision History.............................................................................15
For general information about troubleshooting, refer to
1220-1336: Generic Repair Manual - electrical
©Sony Ericsson Mobile Communications AB – Company Internal 2(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
1 Troubleshooting Flow
1.1 Display
Symptom:
Replace: Display problem
X4200, if damaged
Z4200, Z4201 or Z4202
©Sony Ericsson Mobile Communications AB – Company Internal 3(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
Troubleshooting Flow
1.2 Illumination
Symptom:
Replace: No Display illumination
X4200, if damaged
L4200, if more than 1 Ω
V4203
N2401
Symptom:
Replace: No Navigation keys illumination
X4200
Symptom:
Replace: No Navigation Orange LED
X4200
Symptom:
Replace: No Numeric keyboard illumination
X2401, if damaged
Symptom:
Replace: No Web short cut LED
X2401, if damaged
Symptom:
Replace: No Tally LED
X2402, if damaged
Symptom:
Replace: No Flash LED
X2402, if damaged
Symptom:
Replace: No Trickle Charge LED
X4200, if damaged
©Sony Ericsson Mobile Communications AB – Company Internal 4(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
Troubleshooting Flow
1.3 Keys & Sensors
Symptom:
Replace: Numeric keyboard problems
X2401, if damaged
Symptom:
Replace: Navigation keys problems
X4200, if damaged
Symptom:
Replace: Camera key problems
S2403
Symptom:
Replace: Walkman / Play and Stop button problems
S2404
Symptom:
Replace: Volume up key problems
S2406
Symptom:
Replace: Volume down key problems
S2405
Symptom:
Replace: Opto Sensor problems
X4200, if damaged
N2201
Symptom:
Replace: Slide Sensor problems
B4410, if damaged
Symptom:
Replace: Accelerometer problems
N2411
©Sony Ericsson Mobile Communications AB – Company Internal 5(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
Troubleshooting Flow
1.4 Alert & RTC
Symptom:
Replace: Vibrator problems
B2000
Symptom:
Replace: The clock gain or lose time – SERP calibrating is performed
B2100
Symptom:
Replace: The clock has to be set after the battery has been detached
C2214
©Sony Ericsson Mobile Communications AB – Company Internal 6(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
Troubleshooting Flow
1.5 Audio
Symptom:
Replace: No Microphone
B3100
Symptom:
Replace: No Earphone
X4200, if damaged
Symptom:
Replace: No or bad Loudspeaker
X3102, if damaged
V3101
N3100
Symptom:
Replace: No Hands-free (PHF) Aux Microphone
X2405, if damaged
L2401 or L2402, if more than 2 Ω
N3101
Symptom:
Replace: No Hands-free (PHF) Aux Earphone
X2405, if damaged
L2403, L2404, L2405, L2406 or L2408, if more than 2 Ω
N3101
Symptom:
Replace: No Microphone and no Earphone – Phone stuck in PHF mode when PHF is not attached
V2417, if short circuit
N2422
Symptom:
Replace: No Hands-free (PHF) audio – Phone not recognizes PHF set
X2405, if damaged
N2422
Symptom:
Replace: No FM Radio
X2405, if damaged
R2451, if more than 1 Ω
N1300
©Sony Ericsson Mobile Communications AB – Company Internal 7(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
Troubleshooting Flow
1.6 On/Off
Symptom:
Replace: Current draw greater than 300 mA
N1200, if module getting hot
Symptom:
Replace: Current draw when powered off
N1200
Symptom:
Replace:
Using no current when On/Off key is pressed and will not start.
Starts when charger is inserted.
X4200, if damaged
Symptom:
Replace: Hangs at gray display – Constant vibration – Will not power off.
B2100
Symptom:
Replace: Draws current when On/Off key is pressed, returns to zero
L2200, if more than 1 Ω
L2201
N2200
N1211
N1200
Symptom:
Replace: Will not power off
V2470
Symptom:
Replace: Other
X2201, if damaged
©Sony Ericsson Mobile Communications AB – Company Internal 8(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
Troubleshooting Flow
1.7 Charging & Capacity
Symptom:
Replace: No Charging from power outlet
X2405 or X2201, if damaged
V2200, if short circuit
R2449 or R2490, if more than 1 Ω
V2202
Symptom:
Replace: No Charging from computer via USB
X2405, if damaged
L2452, if more than 1 Ω
N2421
Symptom:
Replace: The Clock has to be set after the battery has been detached.
C2214
©Sony Ericsson Mobile Communications AB – Company Internal 9(15)
Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
State: Released Rev 2
Troubleshooting Flow
1.8 SIM
Symptom:
Replace: SIM not detected
X2402, if damaged
©Sony Ericsson Mobile Communications AB – Company Internal 10(15)
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