EFX-500
10
A
B
C
D
1
2
3
4
1
2
3
4
3.2 MAIN (1/3) BOARD ASSY
1/3
A
E
1/2
CN701
A
2/3
A
2/3
A
1/3
A
1/3
A
2/3
A
1/3
MAIN BOARD ASSY
(1/3)
(DWX1907)
A
1/3
G
CN605
A
2/3
A
2/3
4
4
3
3
2
1
: AUDIO SIGNAL
: AUDIO SIGNAL (HEADPHONE)
SIGNAL ROUTE
Voltage [ V ]
No.
1
2
3
4
-1.0 - 1.0
-1.0 - 1.0
-1.0 - 1.0
-11.9
-1.0 - 1.0
-1.0 - 1.0
-1.0 - 1.0
12.0
Voltage [ V ]
No.
5
6
7
8
IC301 (NJM4558MD)
Voltage [ V ]
No.
1
2
3
4
2.0 - 3.0
2.44
2.44
0
2.42
2.42
2.0 - 3.0
4.88
Voltage [ V ]
No.
5
6
7
8
IC302 (NJM2100M)
Voltage [ V ]
No.
1
2
3
4
2.0 - 3.0
2.44
2.44
0
2.42
2.42
2.0 - 3.0
4.88
Voltage [ V ]
No.
5
6
7
8
IC303 (NJM2100M)
Voltage [ V ]
No.
1
2
3
4
-0.5 - 0.5
-0.62 - 0.78
-0.62 - 0.78
-11.8
-0.62 - 0.78
-0.62 - 0.78
-0.5 - 0.5
11.9
Voltage [ V ]
No.
5
6
7
8
IC204 (NJM4558MD)
CABLE HOLDER
(HP LOW PASS FILTER)
(INPUT AMP)
(DIFFERENTIAL AMP)
