Sony Ericsson R800i, R800a, R800x, R800at, Z1 Troubleshooting Manual

1246-2437 rev 1 Page 1



Sony Ericsson Mobile Communications AB – Company Internal

Troubleshooting Guide

- electrical -

R800i, R800a, R800x, R800at, Z1

Trouble Shooting Guide (elect)

1246-2437 rev 1



Sony Ericsson Mobile Communications AB –

Company Internal

2(16)

CONTENTS

1 Troubleshooting Flow ...................................................................... 3

1.1 Display ................................................................................................... 3

1.2 Illumination ............................................................................................ 4

1.3 Keys & Sensors ..................................................................................... 5

1.4 Alert ...................................................................................................... 7

1.5 Audio ..................................................................................................... 8

1.6 On/Off .................................................................................................... 9

1.7 Charging & Capacity ........................................................................... 10

1.8 SIM ....................................................................................................... 11

1.9 Camera ................................................................................................ 12

1.10 Data Communication .......................................................................... 13

1.11 Memory Stick ...................................................................................... 14

1.12 Network & Signal ................................................................................ 15

2 Revision History ............................................................................. 16

For general information about troubleshooting, refer to
1220-1336: Generic Repair Manual - electrical

Trouble Shooting Guide (elect)

1246-2437 rev 1



Sony Ericsson Mobile Communications AB –

Company Internal

3(16)

1 Troubleshooting Flow

1.1 Display

Symptom:

Replace:

Display problem

X4300, if damaged vision check pin A4, A6, A7, A9 and B2-3, B5-6, B8-9
Z4300, Z4301 or Z4302

Trouble Shooting Guide (elect)

1246-2437 rev 1



Sony Ericsson Mobile Communications AB –

Company Internal

4(16)

Troubleshooting Flow

1.2 Illumination

Symptom:

Replace:

No Display illumination

X4300, if damaged vision check pin A2 and A3
L5600 or L5601, if more than 1 Ω

C5606 or C5613, if short circuit

V5600
N5600

Symptom:

Replace:

No Flash LED

V4400
N4400

Symptom:

Replace:

R G B MMI LED s

V4802
N5600

Trouble Shooting Guide (elect)

1246-2437 rev 1



Sony Ericsson Mobile Communications AB –

Company Internal

5(16)

Troubleshooting Flow

1.3 Keys & Sensors

Symptom:

Replace:

On / Off key problems

S4807
N4800

Symptom:

Replace

PSN key problems

S4810
N4800

Symptom:

Replace

Directional Control (Left pad)

Right

key problems

S5000
N4800

Symptom:

Replace

Directional Control (Left pad)

Left

key problems

S5001
N4800

Symptom:

Replace

Directional Control (Left pad)

Down

key problems

S5002
N4800

Symptom:

Replace

Directional Control (Left pad) Up key problems

S5003
N4800

Symptom:

Replace

Select key problems

S4805
N4801

Symptom:

Replace

Start key problems

S4806
N4801

Symptom:

Replace

Function Control (Right pad) A key problems

S5007
N4801

Symptom:

Replace

Function Control (Right pad) B key problems

S5004
N4801

Symptom:

Replace

Function Control (Right pad) C key problems

S5006
N4801