Yamaha YST-SW005, Service Manual

Page: 3 / 16

YST-SW005
YST-SW005
1 2 3 4
5 6 8 7
LIMITER
IC3
REGULATOR
POWER SUPPLY
D1
SUB
POWER SUPPLY
D11
Q11
T1
T2
D15
D17
Q15
D9
+15
+B
-15
-B
Q9
Q10
RY2
F1
PROTECTION
0.1
SPEAKER
RY1
D6
2
IC2
1
3
2
IC7B
IC7A
L.P.F
12dB/oct
7
5
6
VR1
VOLUME
L.P.F
6dB/oct
7
6
5
IC1B
IC1A
1
2
3
MUSIC
SENSOR
IC4
TIMER
IC5
+
8
4
6
7
3
AUTO
STANDBY
SW2
OFF
AUTO POWER ON/OFF CIRCUIT
Q5, 6, 7, 8
D4,D5,D22,D23
+
-
+
-
+
-
-
+
-
+
-
+
+
-
-
+
L
R
L
R
L
R
INPUT 1
OUTPUT
INPUT 2
Q12
R60
C46
POWER
AMP
4
H.P.F
12dB/oct
H
L
IC9
REGULATOR
Q13, 14
D16
R, T ONLY
REGULATOR
POWER
SW3
A.N.I.C
IC10, Q16
L.P.F
6dB/oct
1
10
SW1
HIGH
LOW
200 (7-7/8")
Unit : mm (inch)
365 (14-3/8")
375 (14-3/4")
335 (13-3/16") 8 (5/16")
32
(1-1/4")
■
INTERNAL VIEW
/ 各部の名称
2
1
MAIN P. C. B. (3)
2
MAIN P. C. B. (2)
3
MAIN P. C. B. (1)
4
MAIN P. C. B. (6)
• DIMENSIONS
/ 寸法図
5
MAIN P. C. B. (4)
6
MAIN P. C. B. (5)
7
Power Transformer
8
Driver
■
BLOCK DIAGRAM / ブロックダイアグラム