Drive Control Box Circuit Board; Membrane Overlay - Genie TMZ-50/30 Service Manual

June 2005
800-610-4101
ActionRental.com
REV B
14-2

Drive Control Box Circuit Board

Activating the joystick or a button of the overlay
membrane decal first sends a signal to the drive
controls circuit board, then the ground controls
printed circuit boards which ultimately activates a
machine function. The drive/steer and outrigger
functions can only be operated when the machine
is in the stowed position.
The drive controls consists of a printed circuit
board, Emergency Stop button, joystick and an
overlay membrane decal. All of the components
are replaceable.
Keeping the drive controls clean and defect free is
essential to safe machine operation. For further
information or assistance, consult the Genie
Industries Service Department.
How to
Remove the Circuit Board
1 Tag and disconnect the drive controls wire
harness from the ground control box.
2 Remove the controls from the machine. Open
the clamp on the back of the controls and slide
the controls up and off of the platform. Place
the control box on a work bench.
3 Remove the fasteners securing the cover to the
control box. Open the box.
4 Tag and disconnect the wire connectors from
the circuit board.
Component damage hazard.
Electrostatic discharge (ESD) can
damage printed circuit board
components. Use a grounded
wrist strap at all times when
handling printed circuit boards.
5 Remove the circuit board mounting fasteners
and remove the circuit board from the box.
Part No. 65162
DRIVE COMPONENTS (OPTION)
14-3

Membrane Overlay

How to
Replace the Overlay
1 Tag and disconnect the drive controls wire
harness from the ground control box.
2 Remove the controls from the machine. Open
the clamp on the back of the controls and slide
the controls up and off of the platform. Place
the control box on a work bench.
3 Loosen the control box lid retaining fasteners
and open the lid.
DRIVE CONTROLS
PRINTED CIRCUIT BOARD
J3
6 PIN
RIBBON CABLE
1 2 3 4 5
DRIVE CONTROLS
MEMBRANE DECAL PANEL
TMZ-50/30
Section 4 • Repair Procedures
U24
6
BN78
OUTRIGGER EXTEND
BN79
OUTRIGGER AUTO LEVEL
BN80
OUTRIGGER RETRACT
BN81
HORN
BN82
DRIVE ENABLE
4 - 75