APPENDIX D - REPLACING BOTTOM DISPLAY BOARD
D-1
This procedure is used when replacing the bottom display board on the Voager, explorer Pro and Voyager
pro balances.
D.1 Replacing the Bottom Display Board on Voyager, Explorer Pro and
Voyager Pro Balances
T
he bottom board of the display can be replaced using the following steps.
1. Unplug the Balance
2. Remove the complete display from the balance.
3. Disconnect the membrane switch ribbon cable from the bottom board.
4. Remove the 4 screws that hold the circuit board assembly into the housing and lift the assembly
from the housing.
5. Disconnect the wire connector for the display back lighting from the bottom board
6. Remove the 4 screws that hold the two circuit boards together.
7. Gently separate the two boards.
8. Remove the microprocessor chip from the old board using a PLCC extractor. Note the software
version on the chip.
9. Install the chip into the new bottom board.
10. If necessary gently break away the excess pieces of the circuit board so that the board is the
same shape and size as the old board and looks like the photo below.
11. Short the two pins shown below.
12. Remove the paper tab from between the battery and the positive terminal.
13. Reassemble the complete display assembly.
14. Reinstall the display assembly on the balance.
15. Reconnect the power to the balance.
16. Follow the Flash instructions below.
D.2 Explorer Pro, Voyager and Voyager Pro Display Flash Instructions
This software tool is used to load the flash bank files into the bottom board of the display after
replacement of the bottom board. After reassembling the balance follow these steps to load the flash
bank files.
1. Using an internet browser access the Docushare website at www.fileshare.ohaus.com/docushare/
2. Download the following files from the Explorer & Voyager Display Flash folder, Setup.exe and
the bank files matching the version of software marked on the microprocessor noted above.
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