JBL BPX1100.1 Service Manual page 17

2 channel power amplifier
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Power
Amplifier
U281,481
V+
1
NC
2
INPUT1
3
INPUT2
4
NC
5
V-
6
NC
7
U611 (F16)
Q12
1
Q13
2
Q14
3
Q6
4
Q5
5
Q7
6
Q4
7
VSS
VSS
8
Integrated Circuit Diagrams
( B52 )
VCC
14
STRDBE1
13
NC
12
OUTPUT1
11
GND
10
OUTPUT2
9
STRDBE2
8
=VSS
8
16
=VDD
VDD
VDD
16
Q10
15
Q8
14
Q9
13
RESET
12
1
11
0
10
0
9
V+
STROBE1*
INPUT1
INPUT2
V-
STROBE2*
3
14
2
13
1
12
11
15
10
13
9
14
8
6
7
BPX1100.1
INPUT1
INPUT2
12
11
R
1
R
2
R
3
7
R
4
5
R
5
4
6
R
9
10
16

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