System Block Diagram - Olivetti ECR 7100 Service Manual
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Also See for ECR 7100:
- Brugervejledning (31 pages) ,
- Guia do utilizador (31 pages) ,
- User manual (31 pages)
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1-8 SYSTEM BLOCK DIAGRAM
Motor/
Winding
Solenoid
Motor
Control
Printer
Unit
Timing Pulse
Reset Pul e
M42V
Buzzer
A0- A14
S - RAM
CS WE OE
+18V
+P6V VCC VBB
Power suppl y
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Y110910 – 8
9.83MHz
Clock
Main CPU
TMP86FS28DFG
s
D0- D7
Power Fail
Dry
Battery
ECR7100 Service Manual
32.768KHz
Clock
ET6621S
Key Scan
Key Return
Segment
Front Display
Com0,1,2
9digits display
Keyboard
Drawer
Solenoid
Reset
19
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