7 : T r o u b l e s h o o t i n g G u i d e
CHRISTIE INC.
CHRISTIE INC. -
- 35/70 Service/PM Manual
July, 1997
Ready Checklist and Diagnostic Table
Perform the checklist in Table 7.7. Refer to the diagnostic table, Table 7.8, for corrective action.
READY CHECKLIST
Turn projector power on
Checklist
Item
Step Description
Completed
1
Visually verify that LED #4 (Lower Buckle), LED #5 (Upper Buckle),
LED #1 (Lower Arm Limit), LED #2 (Upper Arm Limit) are off.
2
Push the <READY> button and verify that the READY LED illuminates
and the READY relay activates.
3
Visually verify that the Upper and Lower Torque Arms move to
centered position and that the reel brakes are released. Verify that
system is stable; reels do not oscillate.
4
Visually verify that the projector performs a loop set. The loop set
should be accomplished in about one to two seconds, and the upper
buckle switch should not trip.
5
Verify that the Constant Velocity sprocket advances film one frame and
locks. When locked, the sprocket should resist motion in either
direction.
6
Verify that the Pulldown also advances film one frame and locks.
Pulling the film loops or turning the pulldown sprocket by hand will
verify the pulldown is locked.
7
Verify that the shutter comes up to speed.
Table 7.7: READY Checklist