Printhead Driver Circuit
The printhead driver circuit for this printer is composed of the following:
❑
Common driver circuit (trapezoidal drive pulse generation)
❑
Head driver circuit (nozzle control built into the printhead)
The SED6100D 64-dot head driver in the black ink printhead driver circuit is used to selectively
drive the black ink printhead nozzles. Similarly, the SED5619D 60-dot (yellow, magenta, cyan
×
20)
head driver in the color ink printhead driver circuit is used to selectively drive the color ink
printhead nozzles.
E05B16 (IC2)
BHV 0, BHV 5
BH1C1/0, BH2C1/0
BH1 D, BH2 D
49
COM1 -3 6
SED6100D (U1)
CN
7
CN1
LAT
C L K
SI
DOUT63 - 1
DOUT6 4 - 2
Ro w A
Ro w B
55
COM1 -3
CN
8
CN1
LAT
C L K
SI
DO64 -6 1
DO60 - 1
Magenta
Cy a n
Yellow
Not Connected
SED5619D (U1)
N C H G
B HL A T
B HC L K
B H S O
X B A L L
N C H G
56
58
59~65
ID1~ID4
CHPWMO, CH2 C
CH2 D1 /0
VHV
V H V C TRO L 82
C H L A T
C H C L K
ICL K
C H S O
IE N
45~48
38
36
37
39
40
41~44
C17 2 MAIN BOARD
DRIVER CIRCUIT ON CARRIAGE
CPSID1 ~4
COMMON DRIVER
COMMON DRIVER
Figure 2-26. Printhead Driver Circuit Block Diagram
Operating Principles
EPSON Stylus 1500 Service Manual
2-23
Summary of Contents for Stylus 1500
Page 1: ...EPSON AMERICA INC Stylus 1500 EPSON Service Manual TM STYLUS15 ...
Page 2: ...EPSON Stylus 1500 Service Manual Revision Date 1st Printing 1 25 96 ...
Page 3: ...ii EPSON Stylus 1500 Service Manual ...
Page 105: ...Adjustments 4 2 EPSON Stylus 1500 Service Manual ...
Page 132: ...Troubleshooting 5 2 EPSON Stylus 1500 Service Manual ...
Page 149: ...Maintenance 6 2 EPSON Stylus 1500 Service Manual ...
Page 156: ...Appendix A 2 EPSON Stylus 1500 Service Manual ...
Page 166: ...Appendix A 12 EPSON Stylus 1500 Service Manual ...
Page 167: ...Figure A 3 C172 MAIN Board Circuit Diagram 2 Appendix EPSON Stylus 1500 Service Manual A 13 ...
Page 168: ...Appendix A 14 EPSON Stylus 1500 Service Manual ...
Page 172: ...Figure A 7 C172 MAIN Board Component Layout Appendix A 18 EPSON Stylus 1500 Service Manual ...
Page 174: ...Figure A 9 C172 PNL Board Component Layout Appendix A 20 EPSON Stylus 1500 Service Manual ...
Page 175: ...Figure A 10 Stylus 1500 Exploded Diagram 1 Appendix EPSON Stylus 1500 Service Manual A 21 ...
Page 178: ...Appendix A 24 EPSON Stylus 1500 Service Manual ...