JBL SUB333 Service Manual page 32

Dolby Pro-Logic Surround Processor/Amplifier/Subwoofer
Ò
IC302, 303, 304, 401, 601, 602, 702
(TL074) Dual Op-Amp
IN 4 - IN 4 +
OUT 4
14
13 12
4
1
1 2 3
IN 1 - IN 1 +
OUT 1
IC202-204 - (TC4090BP) 8 Bit Shift Register
STROBE
1
DATA
2
CLOCK
3
Q1
4
Q2
5
Q3
6
Q4
7
V SS
8
(TOP VIEW)
IC625, 301 - (TC4052BP) 4 Channel Multiplexer
1
0Y
16
2Y
2 15
Y-COM
3
14
3Y
4 13
1Y
5
12
INH
11
6
V EE
7
10
V SS
8
9
IN 3 + IN 3 -
V EE
OUT 3
10
11 9 8
3
2
4 5 6 7
V CC IN 2 + IN 2 -
OUT 2
V DD
16
QE
15
Q5
14
Q6
13
Q7
12
Q8
11
Q¢ S
10
Q S
9
V DD
16
2X
A
10
1X
X-COM
B
9
0X
INH
3X
6
A
8
V
B
SS
611, 612, 613, 621, 622, 623
A OUTPUT
A -INPUT
A +INPUT
-
V
2
DATA
3
CLOCK
1
STROBE
OUTPUT 15
ENABLE
Q
1
V
DD
IC605, 606, 608, 609, 610,
(TL072) Dual Op-Amp
1
2
A
-
+
3
B
-
+
4
10
8 - STAGE
SHIFT REGISTER
8 - BIT
LATCHES
3 - STAGE
OUTPUTS
Q
8
PARALLEL OUTPUTS
OUT
C
OUT
C
OUT
C
OUT
C
OUT
C
OUT
C
OUT
C
OUT
C
7
V
EE
SUB333
+
8
V
7
B OUTPUT
6
B -INPUT
5
B +INPUT
SERIAL
OUTPUT
Q¢
S
9
Q
S
X-COMMON
13
0X
IN
12
1X
IN
14
2X
IN
15
3X
IN
11
0Y
IN
1
IN 1Y
5
IN 2Y
2
IN 3Y
4
Y-COMMON
3
3 0