Epson 2200 Service Manual - Page 229

EPSON Stylus PHOTO 2100/2200 Table 7-7. CN10-Printhead Pin Signal name I/O Function 14 LAT O Head data latch output signal 15 GND - Ground 16 SCK O Serial clock signal 17 GND 18 NC - Ground - Not connected 19 GND - Ground 20 ENA 21 VDD I Feed back signal from linear encoder ch.A - +3.3V logic power supply 22 ENB I Feed back signal from linear encoder ch.B 23 GND - Ground 24 CRST O Reset signal for address counter of CSIC 25 GND - Ground 26 CSD1 O CSIC serial data 1 27 CVDD O Power for CSIC memory 28 CSCK I/O Clock signal for CSIC read/write 29 COO I Cartridge detect signal 30 CSD2 O CSIC serial data 2 31 PW I Detect signal for PW Table 7-8. CN11-Printhead Pin Signal name I/O Function 1 SIB O Printhead data output (B) 2 SIC O Printhead data output (C) 3 GND - Ground 4 SILc O Printhead data output (Lc) 5 SIM O Printhead data output (M) 6 GND - Ground 7 SILm O Printhead data output (Lm) 8 SIY O Printhead data output (Y) Revision B Table 7-8. CN11-Printhead Pin Signal name I/O Function 9 GND - Ground 10 SIDy O Printhead data output (Dy) 11 GND - Ground 12 CH O Charge signal for the trapezoidal wave-form 13 VDD3.3 - +3.3V logic power supply 14 SP O SP signal 15 GND - Ground 16 NCHG O All nozzle fire selection pulse 17 ANODE O Abnormal temperature detection circuit for the nozzles 18 GND - Ground 19 COMLc 20 GND2Lky - Common voltage (Lc) - Ground 2LKy 21 GND2Lky - Ground 2LKy 22 COMB 23 GND2Lm - Common voltage (B) - Ground 2Lm 24 GND2Lm - Ground 2Lm 25 COMLk 26 GND2Lc - Common voltage (Lk) - Ground 2Lc 27 GND2Lc - Ground 2Lc 28 COMLm 29 GND2B - Common voltage (Lm) - Ground 2B 30 GND2B - Ground 2B Table 7-9. CN12-ASF sensor Pin Signal name I/O Function 1 ASF I Detect signal for ASF 2 GND - Ground 3 ASFV - Power supply for ASF sensor (+5V) APPENDIX Connector Summary 229