Sharp ER-A450T Service Manual - Page 9
Hardware Description
 |
View all Sharp ER-A450T manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 9 highlights
CHAPTER 4. HARDWARE DESCRIPTION 1. Hard ware block diagram DRAWER CPU STA NDARD RAM1 256KB OPTIONAL RAM2 ER-03RA:512KB 512KB TPRC1 GATE ARRAY MPCA7 PRINTER PR-45M OPC2 STA NDARD ROM 512KB CKDC8 RS232 I/F 1 ports OPERATER DISPLAY 1 LINE 7SEG 10DIG CUSTOMER DISPLAY 1 LINE 7SEG 7DIG SWITCH KEY BOARD RS232 I/F CH1 Fig. 1-1 4 - 1
-
1 -
2
-
3
-
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
 |
 |
CHAPTER 4. HARDWARE DESCRIPTION
1. Hard ware block diagram
Fig. 1-1
CPU
GATE ARRAY
MPCA7
DRAWER
STANDARD
RAM1
256KB
OPTIONAL
RAM2
512KB
ER-03RA:512KB
STANDARD
ROM
512KB
SWITCH
KEY BOARD
RS232
I/F
1 ports
RS232
I/F
CH1
CKDC8
OPC2
1 LINE
7SEG
7DIG
1 LINE
7SEG
10DIG
CUSTOMER DISPLAY
OPERATER DISPLAY
TPRC1
PRINTER
PR-45M
4 – 1