Epson Perfection 1270 - Page 41

EPSON Perfection 1670 Photo/Perfection 1270 Revision B
APPENDIX Circuit Diagrams 41
Main4/6
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
( CCD )
C22:For EMI Experiment
R12,R14,R15:For EMI Experiment
USB REVERSE CONNECTOR
NO POP
NO POP
NO POP
PHI1
PHIRS
PHICP
BUTTON 1
BUTTON 2
BUTTON 3
OSB
OSG
OSR
GPI11
USBDM
USBDP
XCTRL
TPO_SWITCH
PHI1L
BUTTON 4
LEDR
LEDG
LOD
SCK
Home Sensor
PHITGR
SI
SO
L15V VCC5VR
A12V
15V L15V
15V TPO15V
TPO15V
VCC
VCC5V
VCC
VCC
L4 Z1000/1A
C128
1000P K
C70
47P J
R1
10K
Q2
2N3904
1
32
C71
47P J
R39 0
R42 0
C126
0.1uF/25V
C31
180P J
R7
10K
C24
0.1uF/25V
+
C21
10uF/25V/105 25V
12
C38
0.1U K
C27
47pF/50V
C36
1000pF/50V
C74
180P J
C35
1000pF/50V
C22
0.1uF/25V
R8
10K
C34
1000pF/50V
C33
0.1uF/25V
C23
0.1uF/25V
R9
10K
C32
0.1uF/25V
C4
180P J
J6
2001010009
1
2
3
4
5
6
7
8
9
R4 12K
J1
22C0003001
1
2
3
4 5
6
VCC
DATA-
DATA+
GND G2
G1
J7
2210252001
G1G2
1 2
3
4
5
6 7 8
G1G2
1 2
3
4
5
6 7 8
R10
10K
C1
47P J
R95
1M
R2 150
C124
1000pF/50V
Q5
SI2303DS
D
G
S
R40 Z600/1A
Q6
2N3904
1
32
+
C20
10uF/25V/105C 25V
12
C28
180P J
C2
47P J
J2
20K2174022/22pins/0.5D
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
22
G1 G2
G3 G4
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
22
G1 G2
G3 G4
R12 150
C37
1000pF/50V
R14 150
C16
0.1U K
R17 1K
R41 Z600/1A
R11
1M
R15 150
Q1
SI2303DS
D
G
S
R18
10K
R96 1K
R5
47K
R6 Z600/1A
R97
10K