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EPSON Stylus Photo 700/EX Service Manual
Appendix
Table A-2. Connector Pin Assignment - CN8
Pin Signal Name I/O Fucntion
1 SI3 O Head data output (3)
2 GND - Ground
3 CLK O Head data transfer clock signal
4 GND - Ground
5 LAT O Head data latch pulse
6 GND - Ground
7 VDD - +5V
8-10 GND2 - Ground
11-13 COM O Head drive voltage
14-15 VHV - +42V
Table A-3. Connector Pin Assignment - CN9
Pin Signal Name I/O Fucntion
1 GND - Ground
2 SI2 O Head data output (2)
3 GND - Ground
4 SI1 O Head data output (1)
5 GND - Ground
6 NCHG3 O Head drive record control signal
7 GND - Ground
8 NCHG2 O Head drive record control signal
9 GND - Ground
10 NCHG O Head all on pulse signal
11 GND - Ground
12 RESET O Drive record reset signal
13 COBC I Black ink cartridge detect singal
H: No cartridge / L: Cartridge exist
14 COPC I Color ink cartridge detect signal
H: No cartridge / L: Cartridge exist
15 THM I Thermistor output signal
Rev. A A-2
EPSON Stylus Photo 700/EX Service Manual
Appendix
A.2 CIRCUIT DIAGRAM
EPSON Stylus Photo EX
Refer to EPSON Stylus Photo service manual (for Main board and Power supply unit)
EPSON Stylus Photo 700
See next page for C233MAIN BOARD.
Rev. A A-3
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