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EV-204 / EV-205
IC BLOCK DIAGRAM
NJM4580AV (X2474A00)
Dual Operational Amplifier
AMP: U1, U2, U3, U4
Output A
1
A
Inverting
2
Input A
-
+
B
Non-Inverting
3
+
Input A
-DC Voltage
4
Supply
(GND)
CIRCUIT BOARDS
•AMP Circuit Board
to Pickup Assembly
12
NJM4556V (X2473A00)
Dual Operational Amplifier
+DC Voltage
8
Supply
7
Output B
Inverting
Non-Inverting
6
-
Input B
Non-Inverting
5
-DC Voltage
Input B
VOLUME
AMP: U5
+DC Voltage
Output A
1
8
Supply
A
Inverting
2
7
Output B
Input A
-
+
B
Inverting
3
6
+
-
Input A
Input B
Non-Inverting
4
5
Input B
Supply
(GND)
PHONES
LINE OUT
Note: See parts list for details of circuit board component parts.
to MASTER VOLUME
Component Side
Pattern Side
AMP: V877000
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