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

Page 45
Image 45
Kodak 7020, 5020, 4020, (9020/CINE) service manual Tray Motion Sequence, Go To Zero Position

(9020/CINE), 5020, 9020, 7020, 4020 specifications

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