Denon DVM-4800 Service Manual page 33

QQ
3 7 63 1515 0
SN74LV157APW (IC219)
SELECT
1
1A
2 1A
INPUTS
1B 3
1B
OUTPUT 1Y 4
1Y
2A 5
2A
INPUTS
6
2B
2B
7
2Y
OUTPUT 2Y
GND 8
SN74LV164ANS (IC205, 214, 218)
A 1
A
2
B B
Q 3
A Q
A
Q 4
B Q
B
Q 5
C
Q
C
6
Q
Q
D D
CK
GND 7
TE
L 13942296513
TC74HCT7007AF (IC103, 202, 203)
1A
1
1Y 2
2A
3
4
2Y
5
3A
3Y
6
GND
7
SN74LV00APW (IC505)
1
1A
1B 2
www
3
1Y
2A 4
5
2B
.
6
2Y
GND 7
http://www.xiaoyu163.com
SN74LV74ANS (IC215, IC217)
V
16 CC C
S
STROBE
15
G
14 4A
4A
CP1
INPUTS
13 4B
4B
S
4Y OUTPUT
12
4Y
11 3A
3A
INPUTS
10 3B
3B
3Y
GND
OUTPUT
9 3Y
SN74LV86ANS (IC206)
Vcc
14
13
Q
Q H
H
12
Q
Q
G
G
11 Q
Q
F
F
10 Q
Q E
E
9 Clear
CLR
8 Clock
GND
TC74HCU04AF (IC210, 251)
TC74HCT04AF (IC301)
1A
14 Vcc
13 1Y
6A
2A
12 6Y
2Y
11
5A
3A
10
5Y
3Y
9 4A
GND
4Y
8
SN74LV08APW (IC216)
14 Vcc
13 4B
12 4A
x ao
11 4Y
y
10 3B
i
9 3A
8 3Y
http://www.xiaoyu163.com
8
1 14
D1
Vcc
13
2 CP D
D1 1 1 C
S C
D1
D1
12
3
D2
Q Q
1 1
4 11
CP2
D1
Q1 5
10 S
D CP
2 2
6 9
Q1 Q2
C S
D2 D2
7
8
Q2
Q
Q 2
2
1A
1
Vcc
14
1B
2 13
4B
1Y
3 12
4A
2A
4 11
4Y
2B 5
10
3B
2Y 9
6
3A
7 8
3Y
Q Q
3 6 7 1 3
1
14 Vcc
2
13 6A
3 6Y
12
4
11 5A
5 5Y
10
6 4A
9
4Y
7
8
1
1A
14 Vcc
1B 2 13 4B
3 12 4A
1Y
u163 2A 4
11 4Y
5
2B 10 3B
.
6
2Y 9 3A
GND 7 8 3Y
2 9 9 4 2 8
SN74LV32ANS (IC207)
1
1A
2
D2 1B
1Y 3
2A 4
D2
2B 5
2Y 6
GND
7
74VHC123AMTCX (IC503)
1A 1
1B
2
CLR
1CLR 3
Q Q
1Q
4
2Q 5 5
Q Q
2Cex1 6
CLR
7
2Rext/Cext
GND 8
1 5 0 5 8 2 9 9 4
BA15218F (IC408, 409, 410)
NJM4558D (IC105)
NJM2068MD (IC303, 304, 321,
322, 401, 402, 403, 404, 405)
1
A OUTPUT
A -INPUT 2 – +
A +INPUT 3
–
+
V-
4
BU2098F (IC102)
2
A0 1
I C Bus
Contoller
A1
2
A2 3
m
Q0 4
co
Q1 5 5
8bit
Q2 6
Latch
Q3 7 Write
Buffer
V 8
SS
DVM-4800
9 9
14
Vcc
13
4B
12
4A
4Y
11
10 3B
9
3A
8
3Y
16 Vcc
1Rex/Cext
15
14 1Cext
13 1Q
12 2Q
2CLR
11
10 2B
9 2A
2 8 9 9
8 V+
7 B OUTPUT
B -INPUT
6
B +INPUT
5
16 V
DD
SDA
15
14 SCL
13 NC
12 Q7
Q6
11
10 Q5
9 Q4
33