JBL BPX 1100.1 (serv.man11) Service Manual ▷ View online
Block Diagram
BPX1100.1
Power Amplifier
12
Packaging Exploded View
BPX1100.1
Power Amplifier
13
Integrated Circuit Diagrams
U1 (TL494CN) P.W.M IC
DEAD TIME
CONTROL
CONTROL
U2,3,12,801,901 (KIA393P)
V+
OUT B
-IN
+IN
OUT A
+IN
V-
-IN
U101,102,103,105,106,108
U109,110,112,350,509,510 (TL072CP)
U109,110,112,350,509,510 (TL072CP)
VCC+
OUTB
-IN
+IN
OUT A
+IN
-IN
VCC
BPX1100.1
Power Amplifier
14
Integrated Circuit Diagrams
U611 (F16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
16
VDD
VDD
=VDD
VSS
=VSS
VSS
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q12
Q13
Q14
RESET
0
1
0
8
16
4
5
1
2
3
12
11
10
9
6
13
15
14
7
R
R
R
R
R
R
BPX1100.1
Power Amplifier
INPUT1
INPUT2
U281,481 ( B52 )
V+
VCC
STRDBE1
STRDBE2
V-
NC
NC
NC
NC
OUTPUT1
OUTPUT2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V+
V-
INPUT1
INPUT2
STROBE1*
STROBE2*
INPUT1
INPUT2
15
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