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LCD display board - Removing/installing
●
Remove the 4 nuts (F) and washers fixing the LCD display board (E) using a 5.5 mm spanner.
●
Disconnect the two 10-pins connectors (D).
●
Disconnect the 2-pins connectors (C); unsolder the two wires, and solder them on the new
electronic board taking care with their color: orange (+) towards top, black (-) towards bottom
and 10-pins connectors.
●
Install the new LCD display board and reconnect in reverse order.
Note: for a correct installation of the 2 ribbon cables on the CPU board, take care to respect the
connectors location (refer to the figure below).
To front panel
(green ribbon
cable)
Doc No: MM5008E – Revision 6 – ENG
A
B
C
To LCD display board
(two 10-pins connectors)
D
E
To LCD backlight
(2-pins connectors)
Data Processing Racks
TA3840 Maintenance Manual
F
21
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