Read JBL DA 1002 (serv.man2) Service Manual online
Integrated Circuit Diagrams
11
U701 (TL494CN) P.W.M IC
U101 (UPC4570HA) OP AMP
U102,103,201,202 (KIA4559S) OP AMP
DEAD TIME
CONTROL
CONTROL
U101,102 (KIA4559P) - DUAL OP AMP
U111,702 (KIA393P)
U111,702 (KIA393P)
OUT A
+IN
V-
-IN
+
1
V+
OUT1
I11
In1
V-
In2
I12
OUT2
V+
1
1
-
-
+
+
2
3
4
5
6
7
8
9
1
VCC
OUT A
-IN A
+IN A
VEE
+IN B
-IN B
OUTB
VCC
A
B
-
-
+
+
2
3
4
5
6
7
8
9
Multichannel Automotive Amplifier
DA 1002
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