Block Diagram (Circuit) - Casio CE-300 (EX-247) Service Manual
Electronic cash register
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Also See for CE-300 (EX-247):
- Service manual (53 pages) ,
- Most important functions (5 pages)
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3-2. Block diagram (circuit)
Reset circuit
Printer
S80719AN
MD-910
MD
WD
Head drive cuicuit
HD.A~HD.H
PWD detection
RS232C circuit
CUSTOMER DISPLAY
CPU
uPD78052GC-093-3B9
A8~A15
AD0~AD7
A0~A7
ROM
RAM
SH1019A
uPD16312GB-
3B4
DI,DO,CLK,STB
Select addess
AD0~AD5
— 3 —
MAIN DISPLAY
SH101MA
Segment & Digit data
DRWS
KC0~KC4
Keyboard
FPC
Mode
Key
- Quick Links:
- Initialize (Mac) Operation
- Error Code
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