Denon AVR-E200 Service Manual page 70

G Package Outline
I PIN CONFIGURATION and BLOCK DIAGRAM
NJM2595M (DIGITAL : IC71)
Vin1 13
Vin2
9
Vin3
7
Vin4
5
Vin5
3
Pin Assignment
TC74VHC157FT (DIGITAL : IC85)
SELECT 1
1A 2 A S G
1B 3 B
1Y 4 Y
2A 5 A
2B 6 B
2Y 7 Y
GND
8
(top view)
Truth Table
Inputs
ST SELECT
H X
L L
L L
L H
L H
X: Don't care
DIP16,DMP16
+
V
16
20k
S2
20k
S3
20k
20k
4
SW3 SW4
16 V
CC
15 ST
A 14 4A
4B
B 13
Y 12 4Y
A 11 3A
Y B 10 3B
9 3Y
Output
A B
X X L
L X L
H X H
X L L
X H H
SW2 SW1 SW5
10 14 2
S1
20k
S4
20k
20k
6 12
GND
IEC Logic Symbol
(15)
ST
(1)
SELECT
(2)
1A
(3)
1B
(5)
2A
(6)
2B
(11)
3A
(10)
3B
(14)
4A
(13)
4B
89
S5
75Ω
6dB
Amp Driver
S6
75Ω
6dB
Amp Driver
S7
6dB
75Ω
Amp
Driver
8
-
V
TC74VHC157F/FN/FT/FK
EN
G1
1 MUX (4)
1
(7)
(9)
(12)
Vout1
1
Vout2
15
Vout3
11
- 1 -
1Y
2Y
3Y
4Y