Yamaha YST-SW800, Service Manual, Page: 11 / 26

A B C D E
1
2
3
4
5
6
7
YST-SW800
■
PRINTED CIRCUIT BOARD (Foil side)
10
81
9
1
9 1
9 1
MAIN ( 2 ) P
. C. B.
+B1
E
—
B1
TO : MAIN (1)
#10
W10
FROM : MAIN (4)
MA1
E
TOVL
+12
—12
LIM
MA2
FROM : MAIN (5)
TVOL
E
MAIN
+V2
+12
—12
PWS
VCC
+12 —
12
T
O
: MAIN (1)
#12
W12
FROM : MAIN (4)
SWL
SWH2
SWH1
SO
T
O
: POWER (1)
#2
W2
VCC
+V1
E
DR+ OUT DR
—
A
YST
+V1
T
O
: MAIN (1)
#1
1
W1
1