Triton RL5000, Руководство по обслуживанию

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97
S
ECTION
3 - L
EVEL
II M
ODULE
R
EPLACEMENT
/ D
IAGNOSTIC
S
TATUS AND
T
ESTING
Section 3
R
EPLACING THE
S
CREEN
B
UTTON
K
EYPADS
Tools:
1 - #2 Phillips Screwdriver
There is a vertical 1X4 user response keypad lo cat ed on each side of the dis play
on the control panel. From the front, the Left keypad is numbered top to bottom
as 1-4 and the Right keypad is numbed top to bottom as 5-8.
R
EMOVING THE
L
EFT AND
R
IGHT
S
CREEN
B
UTTON
K
EYPADS
1. "Shutdown the Terminal" from Management Functions.
2. Unlock and open the con trol pan el.
3. Push the AC pow er ON/OFF switch to the OFF(0) position.
4. Remove the mainboard. (Refer to the procedures for R
EMOVING THE
M
AINBOARD
as necessary.)
5. Remove the docking board. (Refer to the procedures for R
EMOVING THE
D
OCK
-
ING
B
OARD
as necessary.)
6. Remove the display. (Refer to the procedures for R
EMOVING THE
D
ISPLAY
as
necessary.)
7. Refer to Figure 3-85 and 3-86. Disconnect the cable from the desired screen
button keypad PCB.
8. Refer to Figure 3-86. Remove the two (2) screws that mounts the desired
screen button key pad assembly (left or right) to the control panel.
9. Lift the screen button keypad assembly from the control panel.
Figure 3-85. Location of the left and right
screen keypads (mounted on the control
panel under the display assembly).
Left and Right
Screen Keypads
Printer
Screen keypad
cable connection
Figure 3-86. Location of the screen
keypad mounting points and cable
connection