YAMAHA EMX860ST Service Manual OA
A HGFEDCB
IJK
1
EMX860ST CIRCUIT DIAGRAM1/2(MIX
OPAMP
NJM4580L
2
OPAMP
NJM4580L
)
to SUB-CN101
130K
OPAMP
OPAMP
OPAMP
OPAMP
130K
OPAMP
3
EMX860ST
1
2
3
OPAMP
NJM4580L
OPAMP
OPAMP
to SUB-CN201
4
OPAMP
NJM4580L
OPAMP
OPAMP
5
NJM4580L
OPAMP
to SUB-CN202
10K
12K
12K
R820
R821
10K
100K
100K
G.EQUALIZER
4
4.3K
OPAMP
LED DRIVER
G.EQUALIZER
4.3K
OPAMP
5
OPAMP
OPAMP
NJM4580L
6
OPAMP
NJM4580L
NJM4580L
NJM4580L
7
OPAMP
OPAMP
KEC-92361-2
OPAMP
OPAMP
LED DRIVER
6
G.EQUALIZER
OPAMP
OPAMP
2
LED DRIVER
KEC-92361-4
3
7
8
9
10
NJM4580L
OPAMP
OPAMP
OPAMP
OPAMP
OPAMP
8
OPAMP
9
27K
27K
OPAMP
10
11
12
NJM4580L
NJM4580L
OPAMP
OPAMP
OPAMP
OPAMP
OPAMP
OPAMP
27K
27K
11
OPAMP
12
13
14
Mylar Capacitor
Ceramic Capacitor
Flame Proof C. Resistor
Metal Film Resistor
KEC-92361-3
3
WARNING
Components having special characteristics are marked
with parts having specification equal to those originally installed.
NOTE : See parts list for details of circuit board component parts.
13
and must be replaced
14
15
EMX860ST
EMX860ST
15
AB DCE IFGH JK
A HGFEDCB
IJK
1
EMX860ST CIRCUIT DIAGRAM2/2(SUB,PWR
)
EMX860ST
1
SUB
REGULATOR +5V
R384
R385
330
2
OPAMP
OPAMP
330
3
R386
R387
330
330
to MIX-CN803
INVERTER
1000P
INVERTER
INVERTER
D-F/F
OPAMP
SRAM256K
OPAMP
100
OPAMP
10K
OPAMP
2
3
OPAMP
OPAMP
OPAMP
OPAMP
4
100
10K
INVERTER
4
KEC-92362-2
D-F/F
OPAMP
to MIX-CN802
5
R388
OPAMP
R389
330
330
5
6
OPAMP
OPAMP
OPAMP
OPAMP
to MIX-CN801
OPAMP
OPAMP
6
OPAMP
7
KEC-92362-3
7
KEC-92362-4
8
8
9
10
PWR
1/3
9
10
11
12
to SUB-CN301
C217 C117
100P 100P
C317
100P
REGULATOR +15V
REGULATOR -15V
to FAN
REGULATOR +5V
KEC-92360
RE
BL
RE
OR
WH
OR
AC19.4V
AC51.0V
11
213
12
13
14
15
EMX860ST
Mylar Capacitor
Ceramic Capacitor
Flame Proof C. Resistor
Metal Film Resistor
Mica Capacitor
Monolithic Ceramic Cap.
NJM7815FA(XD853A00
REGULATOR +15V
NJM7805FA(FX607A00
REGULATOR +5V
1
2
3
1: INPUT
2: GND
3: OUTPUT
13
)
)
NJM7915FA(XD854A00
REGULATOR -15V
1
2
3
)
1: GND
2: INPUT
3: OUTPUT
1N4004L(VU801600
DIODE
Cathode
)
Anode
MTZ J 43 43V(VV335500
MTZ J 8.2B 8.2V(VG438900
MTZ J 27.OD 27.0(VG443100
ZENER DIODE
2
)
1
1: ANODE
2: CATHODE
)
)
14
EMX860ST
15
AB DCE IFGH JK
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