Yamaha AW4416 Service Manual page 2

1 2
AW4416 OVERALL CIRCUIT DIAGRAM 2/6 (MAIN2/4)
A
MAIN 2/4
MAIN (DSP6-1)
B
C
D
E
to MAIN3/4 (E-11)
F
to MAIN4/4 (E-2)
to MAIN3/4 (P-5)
G
H
to MAIN3/4 (P-5)
to MAIN4/4 (D-2)
I
MAIN (DSP6-2)
J
K
L
M
N
to MAIN4/4 (D-2)
: Ceramic Capacitor
O
: Metal Oxide Film Resistor
Note : See parts list for details of circuit board
component parts
P
Q
AW4416
1 2
3 4 5
DSP6
BUFFER
BUFFER
BUFFER
DSP6
3 4 5
6 7 8
DSP6
DRAM 16M DRAM 16M
DSP6
DRAM 16M DRAM 16M
6 7 8
9 10
DSP6
REGULATOR
+8V
REGULATOR
+3.3V
to Power Supply Unit
KEC-92554 4
DSP6
9 10
11 12
AW4416
A
B
C
D
E
F
G
H
I
J
K
L
M
N
KEC-92554
O
P
Q
AW4416
11 12