Replacing The Display Pcb - Sartorius Signum 1 Service Manual

Repairing the Display Unit
BU1
36 Service Manual Signum

Replacing the Display PCB

Important note:
Do not connect or disconnect live power cables to or from the equipment;
always disconnect the power cable from the wall socket (mains supply)
first. Otherwise, components could be destroyed.
– Open the display unit (see page 34)
– Unplug the cable from the ST1 connector
AUT24205.JPG
and the overlay cable from the keypad.
– If an A/D converter or rechargeable
battery pack is being used, unplug the
cable from connector ST2 also.
– Remove the screws
– Remove the display PCB (X)
AUT24201.JPG
– Replace the display PCB with a new one
– Connect the cable
- Close the display unit
(see page 34)
St1
St2
AUT23302a.JPG
BU1
X
AUT23359a.JPG