Parts List - Yamaha MD4S Service Manual

B
A C
MD4S OVERALL CIRCUIT DIAGRAM 1/2 ( MAIN,SUB1/3,SUB3/3 )
1
Q Q
3 7
MAIN
2
to SUB 2/3
-CN707
3
to MD MECHA
-CN103
4
to MD MECHA
-CN101
5
to MD MECHA
-CN102
INVERTER
KM416C1200
6
T E L 1 3
ROM 16M
7
SUB 1/3
8
to SUB 2/2-CN706
9
10
11
w w w
12
MD4S
A B C
F
D E G
6 3 1 5
NC ( TEST )
1
6.8K
2P 2P INVERTER
1
MULTIPLEXER
INVERTER
GATE ARRAY
SRM2B256SLMX70
MX23C4096
9 4 2 2 9 6 5 1 3
D-FF
EP ROM 4M
SRAM 256K
Display
DISPLAY CONTOROLER
DATA CURSOR
+ -
x a o
. i
D E F G
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1 5 0
NC ( TEST )
Photo Coupler
INVERTER
CPU
System Reset
EP ROM 2K
D-FF
Q Q
3 7
EXOR
Note : See parts list for details of circuit board
component parts.
: Ceramic Capacitor
SUB 3/3
PUNCH I/O
KEC-92346 1
u 1 6 3
y
to MIX 1/2-CN107
PHONES
KEC-92346 1
H I J
http://www.xiaoyu163.com
M
K L
8 9 2 4 9
OP AMP
MULTIPLEXER
OP AMP
DAC & ADC
OP AMP
MULTIPLEXER
OP AMP
OP AMP
DAC & ADC
OP AMP
6 3 1 5 1 5 0 8 9
MULTIPLEZER
to MIX 1/2-CN108
m
c o
.
K L M
N O P Q
MD4S
8 2 9 9
to MIX 1/2-CN105
to SUB 3/3-CN705
REGULATOR
BUS TRANSCEIVER
74p
ATRAC
2 4 9 8 2 9 9
KEC-92347 3
MD4S
N O P Q
1
2
3
4
5
6
7
8
9
10
11
12