ES250PW (serv.man2) - JBL Audio Service Manual (repair manual). Page 14

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