DA 3504 (serv.man14) - JBL Car Audio Service Manual (repair manual). Page 12

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Integrated Circuit Diagrams
11
U01   (TL494CN) P.W.M IC
U101,301 (UPC4570HA) OP AMP
U102,103,201,202,302,303,401,402
            (KIA4559S) OP AMP
DEAD TIME
CONTROL
U02 (KIA393P) COMPARATOR
OUT A
+IN
GND
-IN
+
1
1
V+
VCC
OUT1
OUT A
I11
-IN A
In1
+IN A
V-
VEE
In2
+IN B
I12
-IN B
OUT2
OUTB
V+
VCC
1
A
B
1
-
-
-
-
+
+
+
+
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
Multichannel Automotive Amplifier
DA 3504
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