Panasonic KV-S2065L Service Manual page 222

1
A
B
C
D
E
F
1
2 3
SMD[0-15]
4:8E
(DREQ)
R703
1:8A;4:7F SCSIREQ
1K
1:1B;5:8D CSSCSI
(SWIN)
4:8D SCSIWR
R768
CSVER
5:8C
4:8D SCSIACK
0
N.M.
1:1A;5:8B CPWR
5:8B CPRD
4:2F;5:8B CPAS
4:2F;5:8D CSIMG
2 3
4
+5V
IC611
SN74LV00ANS
1 1A VCC 14
2 1B 4B 13
3 1Y
4A 12
4 2A
4Y 11
5 2B 3B 10
6 2Y
3A 9
7 GND
3Y 8
(DBWR)
R771
SCSIWRD
0
+5V
IC612
R772
SN74LV04ANS
N.M.
1 1A
VCC 14
2 1Y 6A 13
3 2A 6Y 12
4 2Y
5A 11
5 3A
5Y 10
6 3Y 4A 9
7 GND
4Y 8
(DACK)
SCSIACKD
SRDY
+5V
5:9A CPD[8-15]
IC623
SN74LV02ANS-EL20
1 1Y VCC 14
2 1A 4Y 13
3 1B
4B 12
4 2Y
4A 11
5 2A 3Y 10
6 2B
3B 9
7 GND
3A 8
GAWR
+5V
IC613
0
SN74LV32ANS-EL20
1 1A
VCC 14
2 1B
4B 13
3 1Y 4A 12
4 2A
4Y 11
SCSIRD
5 2B
3B 10
6 2Y 3A 9
R706
7 GND
3Y 8
GARD
0
R705
0
N.M.
4
5
SMD[0] R750
N.M.
SMD[1]
0
SMD[2] R752
0
SMD[3] N.M.
0
SMD[4] R754
0
SMD[5] N.M.
0
SMD[6] R756
0
SMD[7] N.M.
0
0
IC619
1
DIR VC
2
SMD[0]
A1
3
SMD[1]
A2 B
4
SMD[2]
A3 B
5
SMD[3]
A4 B
6
SMD[4]
A5 B
7
SMD[5]
A6 B
8
SMD[6]
A7 B
9
SMD[7]
A8 B
10
GND B
HD74HCT245FPV
IC620
1:1D
1
DIR VC
2
SMD[8]
A1
SMD[9] 3
A2 B
4
SMD[10]
A3 B
5
SMD[11]
A4 B
6
SMD[12]
A5 B
SMD[13] 7
A6 B
8
SMD[14]
A7 B
9
SMD[15]
A8 B
10
GND B
HD74HCT245FPV
SMD[8] R758
N.M.
SMD[9]
0
R760
SMD[10]
0
SMD[11] N.M.
1:1D 0
R762
SMD[12]
0
N.M.
SMD[13]
4:7F 0
R764
SMD[14]
0
N.M.
SMD[15]
0
0
IC622
1
DIR V
2
CPD[8]
A1
CPD[9] 3
A2
4
CPD[10]
A3
5
CPD[11]
A4
CPD[12] 6
A5
7
CPD[13]
A6
8
CPD[14]
A7
9
CPD[15]
A8
10
GND
HD74LV245AF
4:2F
+5V
IC621
SN74LV573ANS-E
1:1B
20
VDD
CPD[8]
19
1Q
CPD[9] 18
4:2F 2Q
CPD[10] 17
3Q
CPD[11] 16
4Q
CPD[12]
15
5Q
CPD[13] 14
6Q
CPD[14] 13
7Q
CPD[15]
12
8Q
11
C V
5
Æ