Circuit Boards - Genie ZX-135/70 Service And Repair Manual

April 2018
6-2

Circuit Boards

The ground control box contains a replaceable
membrane decal with touch sensitive buttons for
various machine functions. The ground control box
also contains two printed circuit boards:
The LCD (Liquid Crystal Display) circuit board
is mounted to the inside of the control box lid which
controls the LCD display screen.
The ECM circuit board is the main circuit board
for the machine. All operating parameters and
configuration of options for the machine are stored
in the ECM memory.
Note: When the ECM circuit board is replaced, the
machine will need to be fully calibrated. Refer to
Repair Procedure, How to Fully Calibrate the
Machine.
Part No. 1279835GT
How to Remove the LCD Display
Screen Circuit Board
1 Push in the red Emergency Stop button to the
off position at both the ground and platform
controls.
2 Remove the ground control box lid fasteners.
3 Open the ground control box.
4 Carefully disconnect the LCD circuit board
ribbon cable from the ECM circuit board.
5 Remove the LCD display circuit board
retaining fasteners.
6 Carefully remove the LCD display circuit board
from the ground control box lid.
ZX®-135/70
Service and Repair Manual
Ground Controls
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
Component damage hazard.
Electrostatic discharge (ESD)
can damage printed circuit board
components. Maintain firm
contact with a metal part of the
machine that is grounded at all
times when handling printed
circuit boards OR use a
grounded wrist strap.
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