Denon DVM-4800 Service Manual page 33

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