8/10/2019 Yamaha Ns-p210

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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

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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

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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

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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