Epson M-192G - Reference for Circuit Design; Waveform Shaping Circuit for Timing Sensor and Reset Detector (Epson Evaluation Circuit)

Confidential
EPSON
TITLE
SHEET
REVISION
NO.
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C
M-192G
Designer’s Guide
(STANDARD)
2 1
1 Reference for Circuit Design
1.1 Waveform Shaping Circuit for Timing Sensor and Reset Detector
(Epson Evaluation Circuit)
[User Side] [Printer Side]
Timing Sensor
Reset detector
74HC14
1000pF
VCC-O
VCC-O
DTC143
1SS118
2SA1015
-Tp
nTP
470
VCC
VCC
0.1uF
2.7K
1K
1
10K
2
0.1uF
74HC14
1000pF
Rp
RP
VCC
51K
34
20
18
19
5
4
3
+
–