23
DVR 50 - Rev. 011105-2
DVR 50 VFD board
Replacing the DVR 50 VFD board
•
Disconnect the power cord from the AC outlet and take all necessary ESD precaution.
•
Remove the Lid and Plastic front. (See instruction under these parts)
•
Disconnect the two cables to the VFD board.
•
Unscrew the 4 screws holding the VFD board in the plastic Front. On some units the VFD board is glued. Cautiously break
the glue using a small screwdriver. See picture.
•
Mount the new VFD board in the Plastic Front. If the VFD board was glued, clean the board and glue the VFD board using a
small amount LOCTITE. Note! Be careful not to remove the colored plastic film mounded on the display of the VFD board.
•
Reconnect the cables. 44-0399/5/7. Make sure that the short cable is fixed!
•
Remount the Plastic Front. Note! The grounding clip most connect to the Chassis below the white PSU plastic cover.
44-0399/3
•
Test the DVR 50 unit.
Fig.
44-0399/3
Fig.
44-0399/7
Fig.
44-0399/5
Ref. No.
Item No.
Part description
PCS.
Remarks
1
74102
VFD Board PCB assy DVR-50
1
