JBL SUB333 Service Manual page 33

Dolby Pro-Logic Surround Processor/Amplifier/Subwoofer
Ò
IC614-619 - (TC4051BFN)
8 CHANNEL MULTIPLEXER
0Y
1
2Y
2
Y-COM
3
3Y
4
1Y
5
INH
6
VEE
7
VSS
8
IC201 - (TC9819) ESC333 MASK u-CON
VDD
16
2X
15
1X
14
X-COM
13
0X
12
3X
11
A
10
B
9
IC624 - (TC74HC04AFN)
HEX INVERTER
6A 6Y 5A
V CC
14 13 12 11
1 2 3 4
1A 1Y 2A 2Y
IC627 - EPROM IC 256K 120ns
V PP
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
00
11
01
12
02
13
GND
14
SUB333
5Y
4A 4Y
10 9 8
5 6 7
3A 3Y
GND
V CC
28
A14
27
A13
26
A8
25
A9
24
A11
23
OE
22
A10
21
CE/PGM
20
07
19
06
18
05
17
04
16
03
15
3 1