Yamaha EQ-630 Service Manual page 19

MAIN
J2
1
RESET
2
RCH VOL S
3
lCH VOL
4
VOL 0
5
VOL ClK
6
7
8
I NT
9
VCC
10
lUMP
11
lUMP
12
I/O SW
I/O SW
I/O SW
PANEL(7)
C18
lO.022
AC120V 60Hz:
u,e
AC220V 50Hz: G
AC240V 50Hz: A, B
AC110, 120,220, 240V : R
50/60Hz
&
r---,
I
240V
I
I
I
I
I
I
L -!!.'_J
R model only
J 1
1
2
3
.....----f-+--+...J
4 1----+-+-.....1
R303
10K
J1
,.........----_-+-I-~-~
1
2
-+. . . . . . . . . . . . . .
- ---+----4II~-------------------_4_4_----...:.:-___4~--___I3
R1710K
e-..J,N~-44
CAUTION
• Components having
SJ
replaced with parts ha
* All voltages are measur
* Schematic diagram is s
HD614080S