Read JBL P 80.4 (serv.man2) Service Manual online
Integrated Circuit Diagrams
11
U01 (TL494CN) P.W.M IC
Multichannel Automotive Amplifier
DEAD TIME
CONTROL
CONTROL
p80.4
U102,103,104,105 (KIA4559S) - DUAL OP AMP
U101, 201 (UPC4570HA) - DUAL OP AMP
1
2
1
2
3
4
5
6
7
8
9
V+
OUT1
Il1
In1
V-
In2
Il2
OUT2
V+
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