SERVICE MANUAL
Adjusting the NULL
| light path |
| |
| |
| NULL position |
PROJECTION | TAB |
LENS |
|
| CLAMP LEVER | |
| TARGET SLIDE | ||
A091_4031BCA | PAD | ||
A091_4031BA | |||
|
Warning
Dangerous Voltage
[1]Disconnect the main power.
[2]Do the removal for the LOWER HOUSING ASSEMBLY.
Important
•It is necessary to make a FAN COVER TOOL. See the Tools section.
•If you cannot obtain the NULL position after doing the adjustment approximately 3 times, go to the adjustment procedure for the PHOTOCELL.
[3]Install the FAN COVER TOOL over the FAN area and the LAMP MODULE. See the Tools section.
[4]Energize the projector.
[5]Set the projector to the
[6]Install and hold the AUTO FOCUS TARGET SLIDE
[7]Look through the PROJECTION LENS hole and observe the focus light path on the
[8]Check that the TAB on the CLAMP PAD ASSEMBLY is in the NULL position. If the TAB is not in the correct position, do the adjustment procedure for the NULL.
[9]Bend the PHOTOCELL BRACKET to move the NULL in the center; use
Adjustment Specification
Use
32 | 30APR96 – |