Yamaha NS-P336, Руководство по обслуживанию

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A B C D E F G H
1
2
3
4
5
6
NS-P330/NS-P336
10
POWER AMP
PROTECTION
POWER SUPPLY
A.N.I.C.
LIMITTER
H.P.F.
L.P.F.
BUFFER
0
0 0
-14.9
0
0
0
14.7
0
0 0
14.7
0
0
0
0
0
0
0
0 0
0.2 0.2
0
-52.8
14.8
1.1
1.8
-53.2 53.2
0 0
1.1
0 0 0
1.1
0
1.3 3.1
0
0
0
0
1.1 25.4
14.7
-15.0
-49.1
-15.4
15.2
0
0
0
0
-23.7
0
48.6
53.2 -53.5
-15.0
0
0 0 0
0
0
0 0
0 0
0
14.7
0
0 -0.4
-1.9
0
0
0
53.1
53.1
53.1
-0.7
0
0 0
-15.0
0
14.8
-14.9
AC78.9
INPUT
DRIVE
WOOFER
EUROPE
■
SW-P330 SCHEMATIC DIAGRAM
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked Z and must be replaced with parts having
specifications equal to those originally installed.
* Schematic diagram is subject to change without notice.
* 電圧は、内部抵抗10MΩの電圧計で測定したものです。
*
Z
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、パーツリストに記載されている
部品を使用してください。
* 本回路図は標準回路図です。改良のため予告なく変更することがございます。
IC3 : TA7317P
Protector
1
6
2
3
8
7 4
9
Muting
circuit
Constant voltage
power supply circuit
Schmidt
circuit
Power supply
ON/OFF
detecting circuit
Discharging
circuit
5
Substrate
Overcurrent
detecting circuit
OR circuit
Current voltage
detecting circuit
GND
Relay drive
circuit
PIN CONNECTION DIAGRAM OF TRANSISTORS,
DIODES AND ICS.
2SB1642
2SD2531
B C
E
1SR139-400
1SS133
MTZJ15.0C
MTZJ24.0B STK404-120 TA7317P
Anode
Cathode
1
12
1
9
µ
PC4570HA 2SA970
2SC1815
2SA1015
2SC2240 2SK304 D3SBA20
1
9
S
G D
E
C B
–
+
~
~
IC2, 4, 5 :
µ
PC4570HA
Dual OP-Amp
V
O1
2
–Vm
1
3
+Vm
1
4
V
EE
5
+Vm
2
6
–Vm
2
7
V
O2
8
V
CC
9
V
CC
1
1
– + – +
2
IC1 : STK404-120
Power Amp
2
3
6
7 10
9
12
11
8
1
4 5
BIAS
PRE
DRIVER
POWER
STAGE
SUB
+
–