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
Power-On Checklist and Diagnostic Table
Thread the projector with film that has the proper BOF and EOF markers installed. Perform the checklist in Table 7.5.
Refer to the accompanying diagnostic table, Table 7.6, for corrective action.
POWER-ON CHECKLIST
Turn projector power on
Checklist
Item
Step Description
Completed
1
Visually verify that the LED on the <NOT RDY> button on the control
panel comes on.
2
Visually verify that the Frame Counter reads one hour (01:00:00:00).
Table 7.5: Power-On Checklist
POWER-ON DIAGNOSTIC TABLE
1
None of the control lights comes on.
Step
Diagnostic
Result
1
5-volt supply is correct at J1 of the 2267 card in the control
panel head. If not, determine fault and repair.
2
Verify that the ribbon cable to the 2267 card is not damaged and is
properly inserted. If not, properly insert or replace cable.
3
Verify that the 25 conductor cable between the projector and control
panel is not damaged and is properly inserted.
2
Frame counter does not function.
Step
Diagnostic
Result
1
5 volt supply at pin 14 of U9 of the 1008 card in the control
head. If not correct, determine fault and correct.
2.
Verify that the ribbon cable is not damaged and is properly inserted
between the 2267 and the 1008 cards. If not, properly insert or replace
cable.
3
If failure remains, replace the 1008 card.
Table 7.6: Power-On Diagnostic Table