OHAUS TROOPER SCALE, Руководство по обслуживанию

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4-17
CHAPTER 4 MAINTENANCE PROCEDURES
4.3.2 Replacing the PC Board (Cont.)
6. Carefully remove the wires coming from J10 which is the RS232 connector and J4 which is
used to connect the loadcell. See figure 4-9 for wire color and locations.
J10
S1
W1
J4
CAL
JUMP 1
JUMP 2
+EXE
+SEN
+SIG
GND
-SIG
-SEN
-EXE
YELLOW RED
ORANGE
WHITE
GREEN
TO LOAD CELL
RED
WHITE
BLACK
RS232 CONNECTOR
2
5
3 PINS
Figure 4-9. RS Connector and Loadcell Connector Wiring.
7. Remove the four corner screws on the PC Board
8. Replace the PC Board and install the four screws previously removed.
9. Replace the color coded wiring for connectors J4 and J10. Check color coded
wiring is correctly installed.
10. Replace the connectors to J6 and J7 on the PC Board.
11. Position the upper housing in place over the scale and connect the flexible cable from the
keypad to the socket on the PC board.
12. Reassemble the scale by replacing the six screws at the bottom of the scale which secure
the upper housing.
13. Replace the platform on top of the scale.
14. After installation, check all operations, if possible, set the original customer settings back
into the scale and calibrate the scale.