3M
Multimedia Projector MP8620
Adjustments
3M 1999
1-5
Alignment
Lever
1-7.
LCD Panel Alignment
Periodic LCD panel alignment is necessary to maintain a high quality projection image.
1-7-1.
LCD Verification and Alignment
Use the LCD Alignment tool (DY-0205-1508-5) to verify the
8° angle of the LCD unit.
1.
Measure the angle between the bottom and the assembly
surface of the LCD on the linkage side.
2.
If the angle is not 8°, reform the alignment lever to obtain
the proper 8° setting.
It may be needed to readjust the microswitch which is in
contact with to the LCD unit. This switch has to be activated
when the LCD is at the 8° angle.
1-7-2.
LCD Ribbon Cable Installation
Installing a new LCD ribbon cable is done using the following steps:
1.
Gently pull out the white plastic clamp on the LCD and interface board connectors to release the LCD
ribbon cable.
2.
Insert one end of the new ribbon cable into the LCD connector. The blue side of the cable should be facing
up.
3.
Insert the other end of the new ribbon cable into the interface board connector. The blue side of the cable
should be facing down.
4.
Lock the white plastic clamps into place on both the LCD connector and the interface board connector.
5.
Use the old cable as a pattern to place the appropriate bends in the new cable.
If a connector clamp is broken:
1.
Order a complete connector (DY-0205-1512-7).
2.
Remove the plastic portion from the new connector and replace the broken part.
3.
If the connector can not be repaired in this way, the LCD or interface board may need to be replaced.
