Amplifier Block Diagram - JBL ES250PW Service Manual

ES250PW
Wireless PCB
12.288MHz
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protection
mute
-15V
Power regulator
GND circuit
+15V
signal input
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Pre amp PCB
Crossover
control
U102
Power amp PCB
Class_d
Relay
Amp model
13
protection
mute
-15V
GND
+15V
signal input
To speaker