P 80.4 (serv.man2) - JBL Car Audio Service Manual (repair manual). Page 10

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P80.4    Block    Diagram
9
Multichannel Automotive Amplifier
p80.4
R
R
LOW-IN
LOW-IN
BUFFER
BUFFER
BUFFER
BUFFER
PRE
AMP
PRE
AMP
PRE
AMP
PRE
AMP
DRIVER
DRIVER
DRIVER
DRIVER
POWER
AMP
PROTECTION
POWER
AMP
PROTECTION
POWER
AMP
PROTECTION
POWER
AMP
PROTECTION
R+
R-
R+
R-
L+
L+
L+
L+
HI-IN
HI-IN
REM
REM
P.W.M
POWER
SUPPLY
+VCC
-VCC
P80.4 Block Diagram
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