EPSON Stylus Color 440/640/740
Revision A
Chapter 2
Operating Principles
62
2.2.3 C256 Main (for Stylus Color 640)
Various DC voltage generated on the C206 PSB/PSE board is added
various signals in order to drive the printer function on the C256 main
board, and the drive of CR/PF (Pump) motor and printing head is
performed. Following figure shows the circuit diagram for Stylus Color
640.
Figure 2-18. C256 Main Board Block for Stylus Color 640
TPM95C061
(IC1)
Address
Data
Address
Data
Reset IC
(IC9)
CR1
Timer
Counter
(IC10)
Batt1
EEPROM
(IC11)
CN1 Parallel
Common
Driver
(IC7)
Q7&Q9
Head
CN8 HD FFC
Motor
Driver
(IC14)
Motor
Driver
(IC15)
PF Motor
CR Motor
CN6
CN7
C206 PNL
CN3
CN11
ASF Sensor
CN5
HP Sensor
CN4
PE Sensor
E05B43
(IC2)
Transceiver
(IC16)
CN2 Serial
P-ROM
(IC3)
D-RAM
(IC5)
M-ROM
(IC6)
Содержание Stylus Color 440
Страница 1: ...EPSONStylusColor440 640 740 Color ink jet printer 4009667 ...
Страница 8: ... PRODUCTDESCRIPTION ...
Страница 42: ... OPERATINGPRINCIPLES ...
Страница 81: ... TROUBLESHOOTING ...
Страница 99: ... DISASSEMBLYANDASSEMBLY ...
Страница 129: ... ADJUSTMENT ...
Страница 153: ... MAINTENANCE ...
Страница 160: ... APPENDIX ...
Страница 203: ...EPSON Stylus Color 440 640 740 Revision B Chapter 7 Appendix 203 C206MAIN B Circuit diagrams 1of 2 See the hard copy ...
Страница 204: ...EPSON Stylus Color 440 640 740 Revision B Chapter 7 Appendix 204 C206MAIN B Circuit diagrams 2 of 2 See the hard copy ...
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Страница 208: ...EPSON Stylus Color 440 640 740 Revision B Chapter 7 Appendix 208 C206PSB 1 1 ...
Страница 209: ...EPSON Stylus Color 440 640 740 Revision B Chapter 7 Appendix 209 C206PSE 1 1 ...
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