Chapter 4. Hardware Description - Sharp ER-A450T Service Manual
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Also See for ER-A450T:
- Instruction manual (180 pages) ,
- Programming manual (50 pages) ,
- Knowledge book (18 pages)
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CHAPTER 4. HARDWARE DESCRIPTION
1. Hard ware block diagram
DRAWER
TPRC1
PRINTER
PR-45M
CPU
GATE ARRAY
MPCA7
OPC2
STANDARD
OPTIONAL
RAM1
RAM2
256KB
512KB
STANDARD
ROM
512KB
CKDC8
RS232
I/F
1 ports
RS232
I/F
CH1
Fig. 1-1
4 – 1
ER-03RA:512KB
OPERATER DISPLAY
1 LINE
7SEG 10DIG
CUSTOMER DISPLAY
1 LINE
7SEG 7DIG
SWITCH
KEY BOARD
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