Tyros4 Overall Circuit Diagram 6/11 (Dm 006) - Yamaha TYROS4 Service Manual

X W V U
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Tyros4 OVERALL CIRCUIT DIAGRAM 6/11 (DM 006)

1
DM 006/6
2
3
4
5
6
7
8
9
10
11
SWP51L
12
13
14
SWP51L
15
16
17
Tyros4
X W V U
T S R Q P
DAC
OP AMP
OP AMP
DAC
OP AMP
OP AMP
OP AMP
ADC
SWP51L
SWP51L
T S R Q P
O N M L K J
INVERTER
INVERTER
OP AMP OP AMP OP AMP
REGULATOR +1.5V
REGULATOR +1.5V
WARNING
Components having special characteristics are marked
specification equal to those originally installed.
O N M L K J
I H G F E
SWP51L
SWP51L
REGULATOR +5V
and must be replaced with parts having
I H G F E
D C B A
Tyros4
1
2
SDRAM 64M
3
4
5
6
7
8
SDRAM 64M
9
10
11
12
13
14
15
16
28CC1-2001067500-6 1
17
Not Inatalled
Note : See parts list for details of circuit board component parts.
Tyrso4
D C B A