Yamaha YST-SW005, Service Manual

Page: 7 / 16

YST-SW005
A B C D E
1
2
3
4
5
6
7
YST-SW005
220V-240V
110V-120V
VOLTAGE
SELECTOR
Ref. No. Location
Q5 C6
Q6 C6
Q7 C6
Q8 C6
Q9 C4
Q10 C5
Q11 B2
Q12 B5
Q13 B3
Q14 B3
Q15 B4
Q16 B7
D1 D4
D2 C4
D3 C5
D4 C6
D5 C6
D6 C6
D7 C7
D8 C7
D9 B5
D10 B2
D15 B4
D16 B4
D19 B7
D20 B7
D21 B6
D22 C6
D23 C6
IC2 D6
IC3 C7
IC4 B6
IC5 B5
IC9 B4
IC10 B7
• Semiconductor Location
R, T, K models
WH BE
YE RE
WH
RE
To MAIN (4)
To MAIN (5)
To MAIN (6)
From MAIN (2)
From MAIN (2)
MAIN P. C. B. (1)
SPEAKER
E
+V2
+V1
E
SWL
SWH2
SWH1
S0
MAIN
+15
-15
From MAIN (5) SUBO
E
R60
1k
Ω
AUTO STANDBY
OPERATION
6
■
PRINTED CIRCUIT BOARD (Component side)
/ シート図（部品面）