Replacing The Display On The Op27M - Siemens simatic hmi op27 Equipment Manual

19.3.1

Replacing the display on the OP27M

Procedure
Carry out the following steps in order to replace the monochrome display of
the OP27M:
OP27, OP37 Equipment Manual
Release 05/99
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Step
1 Lay down the device with its front plate facing downwards.
2 Remove the four screws
¶
¶
3 Carefully remove the housing rear panel and lay it down with its inside
facing upwards.
4 Remove the battery connector
¼
»
5 Remove the connector
bly (see figure in Step 4).
Open the connectors belonging to the ribbon cables
6
gently lifting the at both sides of the front side (see figure in Step 4). Pull
out the ribbon cables.
¼
Maintenance/Upkeep
Action
¶
from the housing.
·
from the electronic assembly.
· ¸
¹
º
¸
from the display socket on the electronic assem-
¹
» º
¶
¶
º » ¼
, , and by
a
a
¹
19-5