Yamaha YSP-3000 Service Manual page 74

A B
YSP-3000/YSP-30D/HTY-7030
1
POWER (2) P.C.B. (Side A)
2
GND
3
STBY_SW
S3.3
KEY1
KEY0
POWER (3)
(W991)
4
INPUT
(CB6)
POWER (2) P.C.B.
(Side B)
5
6
7
74
C D
• Semiconductor Location
Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location
D901 H6 IC902 I5 Q902
IC901 E6 Q901 D6 Q903
CB902
48
49
1
E F
D6 Q904 G6 Q906 G6 Q908 F6 Q910
D6 Q905 G6 Q907 F6 Q909 H3 Q911
33 32
17
16
64 1
G H
H3
H3
W901
POWER (1)
(CB506)
I J
5 3
1 2