Brother BE-901 User manual

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Technical Reference
Title: Replacing Head Board
Date: February 25, 2009
Models: BE-901, BE-901-PC, BE-1201, BE-1201-PC, BES-916, BES-1216
1. Make sure machine is OFF and Unplugged.
2. Remove cover assy. (Six screws removed “A”, Three loosened “B”)
3. Identifying Main Bord. (Also: Power Supply, and Head Board)
A
A
AAA
A
B
Power Supply
Main Board
Head Board Main Board
Head Board
Power Supply

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4. Unplugging all wire connector harnesses. P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11
and P12.
5. Unplug all connectores to remove board. However, keep in mind that connectors only
go in one spot and can not be confused.
6. Board is held inplace by plastic clip locks. In order to unlock you will need to squeese
locks and lightly pull-up on board to release.
(Fig. 1-1)
Four
-
clip locks
hold board down.
plastic clip locks plastic clip locks

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7. Once you remove the old board you are ready to install the new one.
A. Installing board -Please follow reverse instructions on removal.
B. Make sure that the rotary switch on the board is set to 1.
8. After board is installed and all plugged in you will need to perform a version up-grade in
accordance to model of machine. (For version up-grading machine please follow version up-
grade procedure.)
9. After board is installed, machine is version up-graded and restarted you are ready for
operation.