1
2
3
4
5
6
22
YST-MS50/YST-MS55D
A
B
C
D
YST-MS50
YST-MS55D
■
PRINTED CIRCUIT BOARD (Foil side)
IL
IR
OR
OL
–12
+12
PWS
E
E
PWS
+12
–12
OL
OR
IR
IL
+
–
+
+
–
–
+
–
RE
WH
BE
YE
W1
BE
YE
RE
WH
SATELLITE
MIDRANGE
Lch
VOLUME
TO
SUB W
o
.
TO
SUB W
o
.
INPUT 2
INPUT 1
SATELLITE
MIDRANGE
Rch
SATELLITE
TWEETER
Lch
SATELLITE
TWEETER
Rch
R
L
P. C. B. MAIN (8)
P. C. B. MAIN (4)
•
Satellite Speakers
P. C. B. MAIN (5)
(AUTO POWER)
(HEADPHONE)
6
8
3
4
2
1
7
5
1
8
NJM4556AL
●
Semiconductor Location
Ref. No.
Location