
12
DP-6100 GP
Technical Manual
1)
Open indicator housing by pulling tab, located on
back of housing, forward.
2)
Remove two Sealing Screws and Board Cover.
3)
CPU Board is located behind Board Cover. It is the large
green circuit board.
4)
Remove A/D Board from CPU Board. It is mounted on
right side of CPU Board.
To remove, unscrew (2) mounting screws and
disconnect 10-Pin Connector (bottom left of CPU
Board).
5)
Remove Retaining Screw located just below bottom edge
of CPU Board.
6)
Remove CPU Board.
To remove, push board down and out, enough to clear
(4) clasps.
7)
Free CPU Board by disconnecting remaining (2) connec-
tors and (1) ribbon, noting orginal positions. Each
connector can fit in only one position.
8)
CPU Board is now remove.
REPLACING CPU BOARD
Sealing
Screws
Board
Cover
CPU Board
Retaining
Screw
Screw
A/D
Board
10-pin
Connector
Clasp
Installing the CPU Board:
1)
Installation is reverse of removal.
Important:
-Before installing make sure display window and display are free from dirt.
Important:
-Reconnect all connectors: Back side (connect before installation) > 2-pin, 3-pin, and ribbon.
Front side (connect after installation) > 10-pin from A/D board.
-Make sure board is held by all (4) clasps.
2)
Once installed, check and modify Keyword Parameters for new CPU model (refer to page 6).
Important:
If A/D Board is also replace, board setup must be done before cablibration (refer to page 11).
3)
Calibrate scale as shown on page 7.
4)
Congratulations, CPU Board is now installed and setup.