Procedimiento De Solución Con Base En El Tipo De Problema; 2 ] Problemas Del Teléfono - Brother MFC845CW Manual De Servicio

4.2.4 Procedimiento de solución con base en el Tipo de Problema
[ 1 ] Problemas del control panel y la pantalla LCD
Problem
(1) LCD shows nothing
(2) Control panel inoperable
[ 2 ] Problemas del teléfono
Problem
(1) No phone calls can be made
With the handset*1
(2) Speed dialling will not work
(3) Dial does not switch between
tone and pulse
(4) Telephone does not ring
(5) No phone call can be made
with the cordless handset *
Models with color LCD
•
Color LCD and its flat cable
•
Power supply PCB
•
Main PCB
Models with monochrome LCD
•
Monochrome LCD and its flat cable
•
Panel-mail harness
•
Control panel PCB
•
Power supply PCB
•
Main PCB
•
Panel-main harness
•
Control panel PCB
•
Rubber keypads
•
Main PCB
•
Rubber keypads
•
Control panel PCB
•
Main PCB
•
MJ PCB
•
Ordinary dialling function (other than the speed and one-touch
dialling)
If it works normally, check the main PCB; if not, refer to item
(1) above.
•
Main PCB
•
Speaker
•
Main PCB
•
MJ PCB
•
Cordless handset
•
Cordless PCB
2
•
Main PCB
•
MJ PCB
4-27
Check:
Check:
1
*
For models with handset
2
*
For models with cordless handsets
Confidencial