Epson Perfection 1270 - Page 44

EPSON Perfection 1670 Photo/Perfection 1270 Revision B
APPENDIX Circuit Diagrams 44
CCD
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
OSR
OSG
OSB
20020910
*Del U11C
*Change Net Name PHISHR-->PHITGR
*Reserve U11C,U12E,U12F input pin
20020911
*Add PHI2 signal with U11.3 and U11.13
*Remove the J1 PIN assignment
*Del C4
*Remove the U11,U12 logic gate
VCC5VR
L15V
A12V
VCC5VR
VCC5VR
A12V
L15V
R7 51
C43
0.1U Z
Q3
2N3904
1
32
+ C15
47U
25V
12
U14A
7486
1
2
4
53
C41
0.1U Z
C51
20P J
C50
680P J
R15 100
C48
47P J
C34
0.1U Z
U22
SN74AHCT244
2
4
6
8
11
13
15
17
1
19
18
16
14
12
9
7
5
3
20
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
OE1
OE2
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
Q2
2N3904
1
32
C33
0.1U Z
R16 100
C32
0.1U Z
R23 100
C36
0.1U Z
Q1
2N3904
1
32
C52
100PJ
C47
47P J
C44
0.1U Z
J1
20K0276022
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
22
G1 G2
1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
22
G1 G2
R24 100
C35
0.1U Z
R20 100/0603
C53
100P J
C46
47P J
R13
2K/0603
R6 0
U12A
7486
1
2
4
53
R1 100
C55
0.1U Z
R21 100/0603
C54
100P J
R17
2K/0603
R5 0
R9 33
R22 100
B1 120 OHM/0805
C38
0.1U Z
U21
SN74ACT244
2
4
6
8
11
13
15
17
1
19
18
16
14
12
9
7
5
3
20
10
1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4
OE1
OE2
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
VCC
GND
R10 20
U11A
7486
1
2
4
53
+ C1
47U
25V
12
C42
0.1U Z
R18
2K/0603
R14 33
C45
0.1U Z
U4
CCD8861_0
21
12
8
22
1
13
14
6
3
11
15
18
20
10
7
9
16
17
2
4
19
5
PH3
NC
PH1
NC
NC
TGG
TGB
VoutB
PH1L
NC
Vdc
GND
PH4
TGR
GND
PH2
NC
VoutG
PH2L
Vdc
PHRS
VoutR
R19 100/0603
R8
0/0603
R11
0/0603
U13A
7486
1
2
4
53
C40
0.1U Z
C49
680P J
J2
1R2P/RT/D2
1
2
R12 100
PHI1
PHIRS
PHIRS
PHICP
PHITGR
PHI1L
OSB
OSG
OSR
PHITGR
OSG
PHI1
PHI1L
OSB
OSR
PHICP
PHITGB
PHITGG
PHITGG
PHITGB