Kodak 9020/CINE service manual Tray Motion Sequence, Go To Zero Position

SM 2547-1

Tray Motion Sequence:

a) Go To Zero Position

Zero Button

Close Shutter, Autofocus off, Move Slide

LIFTER in up position

Shortest

distance to Zero

?

Tray Motor On	Tray Motor ON
Forward	Reverse

Service Manual

Projector Status:	- Energized
Signal from:	- P-Bus (Model´s 4020 and 5020 input only)
	- Auto Zero (Model 9020 and 9020/CINE)

The MICROCONTROLLER selects shortest distance to the zero position.

The TRAY MOTOR is energized.

	More than		Yes
	4 Step Signals
	missed ?
		No		Transport Failure
				Power LED Blinking
No			No
	Zero Sensor
	actuated
	?
		Yes
	Stop Tray Motor
				Write failure
	Slide LIFTER Down			into Memory
	Set Tray Position			Projector does
	to Zero			not Operate

END

figure 3-7

The TRAY MOTION CONTROL delivers a step signal for each MOTOR step.

The ZERO SENSOR delivers a signal if the position is reached

Failure:	A failure code is written into memory.
	The power LED is blinking.

The position is reached. The TRAY POSITION in memory set to zero.

Kodak AG, Stuttgart 3-9 03/98