INSTALLATION
OPERATOR INTERFACE DEVICES
3 - 28 I-E96-192-5A
®
CONTROLLER BOARD INSTALLATION
Figures 3-22 and 3-23 show the wiring connections and the
dipswitch and jumper settings of the touch screen controller
board. Before attaching the touch screen ribbon cable to the
controller board, ground the capacitive charge on the touch
screen to the monitor case ground.
1. Insert one end of a 24 AWG wire into either outside touch
screen cable connector contact.
2. Press the other end of the wire to the monitor case ground.
NOTE:
Failure to perform this may damage the electronic compo-
nents on the controller by the stored charge from the 25 kV anode
during picture tube operation.
TOUCH SCREEN INSTALLATION
Follow the directions in the touch screen installation kit.
1. Remove the monitor. Follow the instructions in Section 6.
Follow all cautions and warnings.
2. Follow the directions in the installation kit to attach the
touch screen to the face of the monitor. Use the Velcro™ sup-
plied in the kit.
3. Connect the cable to the touch screen controller card.
Note that pin one on the cable has the red stripe.
4. Follow the directions in the installation kit to attach the
touch screen to the face of the monitor. Use the Velcro supplied
in the kit.
5. Connect the cable to the touch screen controller card. Note
that pin one on the cable has the red stripe.
Table 3-8. Touch Screen Parts
Part Number Description
1948026A3 19-inch touch screen.
1948027A3 Touch screen controller board.
1948644A5 Extension cable for touch screen on the upper CRT.
6640778A2 Cable. For IIOIC4221/4222/424, use cable between
controller board and port 1 of CPU. For IIOIC421, use
cable between tabletop chassis (J5) and port 1 of CPU.
6642342A1 Cable. For IIOIC421 only. Cable is internally routed from
touch screen board to tabletop chassis (J5).
™ Trademark of Velcro U.S.A. Incorporated.
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