Kodak Ektapro Slide Projector 4020 - Manual (Page 37)

3. THEORY GUIDE
Block Diagram
All functions of the projector are controlled by the MICROCONTROLLER ( MC68HC016B with 16k ROM) on the
MASTER PCB.
The controlling software is loaded in the 16k ROM of the MICROCONTROLLER for Models 4020 - 9020 and
9020/CINE.
Located around the MICROCONTROLLER on the MASTER PCB there are the inputs, outputs and drivers for
the sensors, LAMP, MOTOR´s and other functions.
The block diagram (figure 3-1) shows all of the functions of Model 7020 and 9020.
All model is equipped with the same MASTER PCB´s.
MODEL MASTERBOARD MICROCONTROLLER
4020 LAYOUT No.7 Version 4.8
5020 LAYOUT No.7 Version 4.8
7020 LAYOUT No.7 Version 4.8
9020 LAYOUT No.7 Version 4.8
9020/CINE LAYOUT No.7 Version 4.9
SM 2547-1 Service Manual
Kodak AG, Stuttgart 3-1 03/98