Sw-P270 Block Diagram - Yamaha NS-P270 Service Manual

NS-P270/NS-P276
I SW-P270 BLOCK DIAGRAM
INPUT
IC1B
6
5
L.P.F.
6dB/oct
8
VR1
VOLUME
IC7A
7 5
L.P.F.
12dB/oct
IC7B
3
7
1
H.P.F.
12dB/oct
Q3, 4, 5, 8
D9, 10, 11, 12
+B
Q1, D6
+12
–12
Q2, D7
–B
POWER
DRIVER
AMP
+B RY1
9
2
–
10
IC4
+
1
8
–B
A.N.I.C
IC2
Q9
D14, 15, 16
LIMITER
Q10, 11, 12, 13
PROTECTION
F2
POWER
SW2
0.1