Yamaha R S300, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
R-S300
60
DOCK
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
CB303
W301
W302
CB302
IC306
IC311
IC309
IC304
IC301
CB301
JK301
IC309
IC302
IC306
0
0
5.3
0
0
15.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.1
5.1
0
0
0
5.1
4.6
-15.1
0
0
0 0 0 0 0
5.0 5.0 5.0 5.0 5.0 4.9
0
5.5 1.0
4.6
4.6 4.6 4.6
0
5.1
5.0
11.2
0
0
0
0
0
0
1.1
4.9 0
4.9
4.9 0
5.1
11.2
5.1
5.5
5.3
0 0 0 0 0
15.5 -15.4
0
0
0
0
0
IC311 : NJM2388F05
Low dropout voltage regulator with ON/OFF control
ON/OFF
control
Over Voltage
Protection
Bandgap
Reference
V
IN
Cont
GND
V
OUT
Over Current
Protection Thermal
Protection
V+
–INPUT
+INPUT
V–
OUTPUT
IC309 : NJM4580E
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
1
3
2
5
4 GND
V
CC
IC301 : TC7SET32FU
2-input OR gate
IN A
IN B
OUT Y
No replacement part available.
DOCK
to FUNCTION (1)_CB508
Page 55 L6
to FUNCTION (1)_CB511
Page 55 I8
to OPERATION (12)_CB21
Page 58 C7