8/10/2019 Yamaha Ns-p210
1/5
8/10/2019 Yamaha Ns-p210
2/5
NS-P210
SERVICE MANUAL
SERVICE MANUALNS-P210
HOME THEATER SPEAKER SYSTEM
NS-P210 is composed of NX-210P, NX-C210 and SW-P201.
The NX-210P and NX-C210 loudspeakers are not field serviceable and must be replaced as complete units.
IMPORTANT NOTICE
SW-P201
NX-C210
NX-210P x 4
8/10/2019 Yamaha Ns-p210
3/5
NS-P210
SW-P201 BLOCK DIAGRAM
C2A
H.P.F.
12dB/oct
L.P.F.
2d
B/oct
8 7
IC2B
IC4
IC5
A.N.I.C
LIMITER
RY1
RY2
4
2
2IC7,8
Q12
D15,16
,18
Q4~Q7
D10,11,19,201
10
D13
D
4
D14
D2
D1
Q10
D5
B
+B
9 8
3
0.1
PROTECTION
VC
C
ER 6
3
+15
+B
B
15
VCC
REGULATOR
REGULATOR
Q1,Q2
Q3
POWERSUPPLY
D3
Q8,D8
Q9,D9
F1
POWER
SW
SPEA
KER
+POWER
AMP
8/10/2019 Yamaha Ns-p210
4/5
A B C D E
1
2
3
4
NS-P210
SW-P201 PRINTED CIRCUIT BOARD (Component side)
AMP P. C. B. ( B )
TO : AMP (A)
FROM : POWER CORD
BE
WH
TO : AMP (E)
1 2 3
4 5 6
VOLTAGESELECTOR
BR
RE
WH
GR
RE
R only
GR
BR
WH
BE
RE
A B C D E F G H I J K
8/10/2019 Yamaha Ns-p210
5/5
A B C D E F G H
1
2
3
4
5
6
I J K
7
8
NS-P210
SW-P201 SCHEMATIC DIAGRAM
* All voltage are measured with a 10M/V DC ele ctric vo lt meter .* Components having special characteristics are markedZ and
must be replaced with parts having specifications equal to thoseoriginally installed.
* Schematic diagram is subject to change without notice.
BA4558N PC1237HAM51848L
PC4570HA
1
9
1SS1331SR139-400MTZJ12CMTZJ15CMTZJ24B
Anode
Cathode BCE
2SA1015 (Y)2SC1815(Y)2SC2240 (GR, BL)
RBV-402
D
GS
2SK304 (E, T) STK404-050
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
E-8/J-6
POWER AMP
LIMITER
AUTO POWER ON/OFF CIRCUIT
PROTECTION
0
0
-14.3
0
14.3
0
0
0
0
00.6
1.9
0
0
9.1
9.8
10.4
11.1
0
0
0 0.1
-0.1
0.1
-0.1
14.3
-14.3
0
0
0 0
00
0
0
0 0
0
014.1
-14.1
0.5
0.5
0.1 0
0 0.1
14.1
14.3
0
0
0
0
14.3
-14.3
0
0
-1.5
0
5.5
9.8
11.0
9.7
5.5
0
11.0
1.4
0
0
10.9
9.7
9.1
0.8
26.9
0
0
0
14.3
0
0 0
14.3
-14.3
0
30.9
0
-31.2
30.9 14.2
14.8
-31.1 -14.2
-14.8
0
29.5
29.9
29.9
4.0
0
0.1
0.7
AC49.0
0
12.1
2 9. 9 11 .6
11.7
12.2
3.5
2.2
0.8 0
2.9 0 0 0
0
1.
4
9.
7
11
.0
7.
4
10
.9
10
.9
11
.0
0.1
0.1 0
-30
.9
14
.3
1.2
-1
.2
-31
.4
30
.9 0
1.9
WH
RE
GR
WH
RE
BR
BE
BE
WH
RMODEL
BE
BEBE
WH WH
WH
BE
+
BCE
2SB1565(EF)2SD2394(DEF)
1
8
1
8
1
10
VO1
2
Vm1
3
+Vm1
4
VEE
5
+Vm2
6
Vm2
7
VO2
8
VCC
9
VCC
1
1
+ +
2
IC2, 3, 7, 8 : PC4570HADual OP-Amp
IC6 : M51848L
CR Timer
IC1 : BA4558NDual OP-Amp
IN1
2
+IN1
3
VCC
4
+IN2
5
IN2
6
OUT2
7
+VCC
8
OUT1
1
+
+
IC4 : STK404-050AF Power Amp
IC5 : PC1237HAProtector IC for Power Amplifier
1
2
5 3 4
7 8
6Overloaddetect
Mid-pointpotentialdetect
Flipflopcircuit
Vcconmute
ACOFFdetect
Latch/ automaticreturnselect
Relaydrivecircuit
GND
Vcc
GND
641 2 3
TRIGGER
OUT
RESET
REFERENCE
VOLTAGE
THRESHOLD
DISCHARGE
VCC
7 8
+
FLIP-FLOP
+
5
R R R
1 2 3 4 5 6 7 8 9 10
R1R4
R5
C1C2
D1TR3
TR5
R 3 R 6
TR4
SUB
R2
TR1 TR2
TR6
TR7
TR8
Top Related