Epson 890N Service Manual - Page 44
Overview, C524MAIN Component, C524 PSB/PSE/PSH Component - 890 driver
 |
UPC - 010343850019
View all Epson 890N manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 44 highlights
EPSON FX-890/2190 2.1 Overview This printer is divided into several main components for easy removal and repair. The main components are: „ C524MAIN: Control board „ C524PSB/PSE/PSH: Power supply board „ C524PNL: Operation panel board „ Printer mechanism: Printhead, Carriage, Ribbon mechanism, Platen gap adjustment mechanism, Paper feed mechanism, Release mechanism „ Housing: Upper case, Lower case, Rear sheet guide, Knob, Printer cover † C524MAIN Board The C524MAIN board consists of 2in1ASIC(CPU), EEPROM, PROM, DRAM, PF Motor Driver IC, CR Motor Driver IC driver elements, and so on. CR Motor Driver IC PF Motor Driver IC Print Head Driver 2in1ASIC E01A29CA Revision B † C524 PSB/PSE/PSH Board The C524 PSB/PSE/PSH power supply board consists of Transformer, Switching FET, Regulator IC, Diode bridge, Fuse, Photo-coupler, and so on. CN1 Photo-coupler Switching FET Transformer CN2 Diode Bridge Figure 2-2. C524 PSB/PSE/PSH Component PROM EEPROM DRAM Figure 2-1. C524MAIN Component Operating Principles Overview 44
-
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
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
-
125
-
126
-
127
-
128
-
129
 |
 |
