JBL SUB333 Service Manual page 35

Dolby Pro-Logic Surround Processor/Amplifier/Subwoofer
Ò
IC501 - (STK407-250)
POWER IC
20
CHAN 3 OUTPUT
19
CHAN 3 -V
CC
18
CHAN 3 +INPUT
17
CHAN 3 -INPUT
16 CHAN 2 +INPUT
15 CHAN 2 -INPUT
14 C.C.C. BIAS
13 CHAN 1 -INPUT
12
CHAN 1 +INPUT
11
PRE +V
CC
10
PRE -V
CC
9
CHAN 2 OUTPUT
8
CHAN 1 OUTPUT
7
THERMAL SENSOR
6
5
CHAN 1,2,3 +V
4
CHAN 1 - V
CC
3
CHAN 2 - V
CC
2 N.C.
1 GROUND
IC603 - (STK470-050)
POWER IC
IC703 - (STK4038II) POWER IC
CC
15 GROUND
14 CHAN 2 +INPUT
13 CHAN 2 -INPUT
12 C.C.C. BIAS
11
CHAN 1 -INPUT
10
CHAN 1 +INPUT
9
PRE +V
CC
8
PRE -V
CC
7
CHAN 2 OUTPUT
6
CHAN 1 OUTPUT
5
THERMAL SENSOR
4
3
CHAN 1,2 +V
CC
2
CHAN 1 - V
CC
1 CHAN 2 - V
CC
15
PRE +V
CC
14
+V
CC
13
OUTPUT
12
-V
CC
11
COMPENSATION
10
I ADJUST
9
EMITTER BYPASS
8 COMPENSATION
7 I ADJUST
6 TEST POINT
5
PRE-V
CC
4
BIAS
3
GROUND
2
NFB
1
INPUT
SUB333
3 3