Epson Stylus 200 Service Manual page 75

Epson Stylus Color 200/Epson Stylus 200
Table A-3. Connector Pin Assignments — CN2
Pin I/O
1 I
2 O
3 —
4 I
5 O
6 I
Table A-4. Connector Pin Assignments — CN3
Pin I/O
1 O
2 O
3 O
4 O
Table A-5. Connector Pin Assignments — CN4
Pin I/O
1 —
2 —
3 I
4.6.8 —
5 O
7 O
9 O
10 I
11.12 —
13.14 O
15 I
16 I
17 I
18 I
19 I
Rev. A
Name
Data terminal ready signal
DTR
Transmit data signal
TXD-
Signal Ground
GND
Receive data signal
RXD-
Transmit data signal
TXD+
Receive data signal
RXD+
Name
CR-A Carriage motor drive phase A
CR-/A Carriage motor drive phase /A
CR-B Carriage motor drive phase B
CR-/B Carriage motor drive phase /B
Name
FG Frame ground
VDD +5VDC
CO Cartridge In/Out sensor
GND Ground
HCLK Head clock signal
LATCH Head latch signal
SI Serial data signal
ID4 Head ID signal
GND2 Ground (for head control voltage)
COM Head voltage
ID1 Head ID signal
ID2 ID code (Vh level auto-selection)
ID3 ID code (Vh level auto-selection)
TH Thermister alalog data
M/C Black or Color detection sensor
Description
Description
Description
Appendix
A-3