Vacuum Instrument Corp.
2099 Ninth Avenue
Ronkonkoma, NY 11779
631.737.0900
3. Remove all of the electrical connectors from the board. Label each
connector prior to removal. Note the polarity of each connector.
4. Loosen and remove the screws that hold down the board. Remove the
board.
5. Place the new circuit board on the door. Re-attach the board to the
door with the screws removed in Step 4.
6. Re-attach the electrical connectors removed in Step 3. Be careful to
note the polarity of each connector.
7. Re-attach the shield removed in Step 2.
To replace Circuit Board B:
1. Open the front door of the unit by turning the captive screw at the top
of door 1/4 turn and then gently lowering the door.
2. Loosen and remove the screws on the shield that covers the board.
Remove the shield.
3. Remove all of the electrical connectors from the board. Label each
connector prior to removal. Note the polarity of each connector.
4. Loosen and remove the screws that hold down the board. Remove the
board.
5. Place the new circuit board on the door. Re-attach the board to the
door with the screws removed in Step 4.
6. Re-attach the electrical connectors removed in Step 3. Be careful to
note the polarity of each connector.
7. Re-attach the shield removed in Step 2.
To replace Circuit Board C:
Replacement by VIC service personnel is recommended.
To replace Circuit Board D:
Replacement of the entire handheld remote assembly is required.
1109-186-00 Rev. C 4-32
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