Epson EPL-N2050 Service Manual page 218
Monochrome laser printer
Hide thumbs
Also See for EPL-N2050:
- Service manual (261 pages) ,
- Setup manual (55 pages) ,
- Service manual (261 pages)
Table of Contents
Advertisement
EPSON EPL-N2050
Table 7-2. Pin Assignment - CN1
Pin
I/O
Signal
1
--
GND
3
I/O
D1
5
I/O
D3
7
I/O
D5
9
I/O
D7
11
O
A20
13
O
A1
15
O
A3
17
O
A5
19
O
A10
21
I/O
D8
23
I/O
D10
25
I/O
D12
27
I/O
D14
29
O
A11
31
O
A8
33
O
A13
35
I/O
D15
37
I/O
D16
39
--
GND
41
O
BE2X
43
O
BE1X
45
O
A15
47
O
WR0X
Appendix
Pin
I/O
Signal
2
I/O
D0
4
I/O
D2
6
I/O
D4
8
I/O
D6
10
--
Vcc
12
O
A0
14
O
A2
16
O
A4
18
O
A6
20
O
A12
22
I/O
D9
24
I/O
D11
26
I/O
D13
28
O
A7
30
--
Vcc
32
O
A9
34
O
RDX
36
O
A14
38
I/O
D17
40
O
BE0X
42
O
BE3X
44
O
CSX
46
O
A16
48
O
WR1X
Connector Pin Diagram
Table 7-2. Pin Assignment - CN1
Pin
I/O
Signal
49
I/O
D18
51
I/O
D20
53
I/O
D22
55
O
A17
57
I/O
D25
59
I/O
D28
61
--
Vcc
63
I/O
D30
65
O
A18
67
O
A22
69
I
IDX
71
O
A19
Table 7-3. Description of Signals - CN1
Signal Name
I/O
D[31:0]
I/O
Data bus
Address bus. A22 is not connected. A23 is connected
A[23:0]
O
with A24 of VR32.
CSX
O
DIMM select signal
RDX
O
Read signal
WR0, 1X
O
Write signal
BE[3:0]X
O
Byte enable signal
IDX
I
Detect pin. Can be read by VR32 register.
Revision B
Pin
I/O
Signal
50
I/O
D19
52
I/O
D21
54
I/O
D23
56
I/O
D24
58
I/O
D26
60
I/O
D27
62
I/O
D29
64
I/O
D31
66
O
A21
68
O
A23
70
--
NC
72
--
GND
Description
218
Advertisement
Table of Contents
Troubleshooting
