Text preview for : PRX535 Input Board Schematic.pdf part of JBL PRX535 Input Board Schematic JBL Audio PRX-535 PRX535 Input Board Schematic.pdf



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4
+
3
1
-
2 8




2 8
-
1 Thru Output Filters removed
3
+ 6
4 -
7
5
+




Input


6
-
7
5
+




Output matrix ferrites configured for
PRX_535 model



1
J10 2
AMP CON 3
4
5
6
7
Second Input Removed 8
9
10
11
12
13
14
15
16
17
18
19
20




Thru Filter relay removed
Invert relay removed
2 8
-
1
3
+
4




6
-
Signal present LED (Green)
7
6
5 -
+ 7
5
+ D2




2 8
-
1
3
+
4




From DSP
To Connector



D1
6
-
7
4
5 +
+ 3
1
-
2 8

Clip LED (Red)




2 8
-
1
3
+
4




6
-
7
5
+
Short Pins 1&2 , 3&4




To DSP


From Audio Input




From CPU
To DSP


To Relays




To ADC



To AMPLIFIER




RS232 Buffer and sourounding circuit removed
To Analog Outputs



From CPU




From ADC