April 2008
B-8
Optional Enclosures
Circuit Board Removal
(cont.)
Note:
These connectors should be pulled straight up and off the
printed circuit board.
DO NOT
remove the leads from the
screw terminals.
5.
Remove the flat
KEYPAD CABLE
connector from terminal J50 near
the front of the printed circuit board. Mark pin #1 of the cable
connector, which is located nearer the rear of the enclosure.
6.
Disconnect the twisted-pair
DISPLAY BACKLIGHT
cable from
connector
J2
beneath the left side of the printed circuit board.
Although this connector is polarized, it will help to note that the
red wire is closer to the rear of the enclosure.
7.
Remove the flat
LCD DISPLAY CABLE
connector from terminal J52
near the option card sockets. Mark pin #1 of the cable connector,
which is located nearer the front of the enclosure.
8.
Using a slotted screwdriver, remove the three mounting screws
along each side of the printed circuit board. Carefully lift the
printed circuit board out of the enclosure.
Proceed to the next section for instructions on installing the new
printed circuit board.
Circuit Board Installation
Refer to Figure B-2 on page B-11 and complete the following steps:
1.
Position the new printed circuit board within the electronics
console so that it rests on the six standoffs in the base of the
enclosure and the option card sockets are located near the rear of
the enclosure. Secure the circuit board in place with the six screws
previously removed.
2.
Connect the flat
LCD DISPLAY CABLE
connector to terminal J52 near
the option card sockets. Make sure the marked pin #1 side of the
cable connector is located nearer the front of the enclosure.
3.
Connect the twisted-pair
DISPLAY BACKLIGHT
cable to connector
J2
beneath the left side of the printed circuit board. This connector is
polarized and can only be installed with the red wire closer to the
rear of the enclosure.
4.
Connect the flat
KEYPAD CABLE
connector to terminal J50 near the
front of the printed circuit board. Make sure the marked pin #1
side of the cable connector is located nearer the rear of the
enclosure.
Summary of Contents for DigitalFlow GC868
Page 6: ...Chapter 1 ...
Page 23: ...Chapter 2 ...
Page 31: ...Chapter 3 ...
Page 39: ...Chapter 4 ...
Page 52: ...Appendix A ...
Page 53: ...Service Record Introduction A 1 Data Entry A 1 Diagnostic Parameters A 3 ...
Page 57: ...Appendix B ...