Yamaha NX-E440 - Block Diagram

NS-P440/NS-P446
8
NS-P440/NS-P446
■ BLOCK DIAGRAM
VR1
VOLUME
IC4A
IC4B
-
+
+
+
IC5A
IC5B
IC1
2
3
-
-
+
-
L.P.F.
6dB/oct
L.P.F.
12dB/oct
H.P.F.
12dB/oct
DRIVER
INPUT
PJ1
POWER
AMP
RY1
PROTECTION
POWER
SUPPLY
D1
F1
T1
POWER
SW5
4
8
2
26
1
9
8
10
+B
+B
-B
-B
IC6
Q5, 6
D4, 5, 22, 23
Q17- 20
D7, 25
R28
0.1
+15
-15
Q9, D2
REGULATOR
Q10, D3
A.N.I.C
LIMITER