Schematic Diagram - Yamaha YST-SW216 Service Manual

A B
YST-SW216
Q Q
3 7 6 3 1 5 1 5 0
1
I SCHEMATIC DIAGRAM
2
INPUT 1/OUTPUT
3
INPUT 2
-1.9
0
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
MAIN (10)
5
MAIN (9)
6
R, L models
w w w
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
2SA970 2SB1642
2SC2240 2SD2531
2SC2878
7
E
C B
10
C D
MAIN (2)
0
0
0
14.2
0
0
0
L.P.F.
-14.0
VOLUME
L.P.F. H.P.F.
0 -14.0
0 14.2
0
0
0
0
MAIN (7) MAIN (6)
MAIN (6)
U, C, A, B, G models
POWER
MAIN (5)
x a o
D3SBA20 . 1SR139,400 i STK404-070Y60W µPC4570HA-A
1SS133,176
MTZJ15C
MTZJ24B Anode
MTZJ5.6B
– 10
B C
+ Cathode
1
E
E http://www.xiaoyu163.com F
MAIN (1)
LIMITER
0.3
0.3
0.3
0.3
0.3
0.3
0.3 -0.1
0.8
1.3
1.3
0.8
0.1
-10 0.8
0 0
0
PROTECTION
Q Q
-34.3
3 7
36.0 30.2
30.2 14.2
14.8
0
REGULATOR
0
-14.5
AC 53.3
-30.4 -30.4 -13.9
POWER -36.0
SUPPLY
MAIN (3)
u 1 6 3
y
9
1
http://www.xiaoyu163.com
G H
2 4
8 9 9
POWER AMP
35.8
35.8
0
0
0.2 0
0.2
0
-0.1
A.N.I.C
-13.9 14.2
0
0
0 0
0
0
6 3 1 5 1 5 0 8 9
s11 C91 X X 0.01 X
IC1: STK404-070Y60W IC4~6: µPC4570HA-A
AF Power Amp Dual OP-Amp
TR7
TR6
R1
R4
TR1 TR2
R5
TR8
C2
C1
R2
TR5
D1
R3 R6
m
TR3 TR4
SUB
c o
1 2 3 4 5 6 7 8 9 10
.
# All voltages are measured with a 10MΩV DC electronic volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
I J
2
8 9 9
DRIVER
2 4 9 8 2 9 9
1 2
- + + -
1 2 3 4 5 6 7 8 9
Vcc Vo -Vm +Vm V +Vm -Vm Vo Vcc
1 1 1 EE 2 2 2