G IF H KJ ML ONA C EB D

2

1

3

5

7

4

6

SW-303/22HT/SW-25HT

1

FLO

PF

LIP

-

AUTO RECOVERYLATCH SW

32

VOL.DET.OFFSET

DET.

4 5

MUTE

AC OFFDET.

OVER LOAD VCC ON

6 7

RE

LAY

DR

IVE

R

VC

C8

4 765321

13 10 9111214 8

1M

R107

100PC105

VE

E4 3 2 1

5 6 87

VC

C

0.1C129

5.6KR109

100KR108

8.2KR110

R10

668

0R104100

0.1

C11

5

18K

R11

7C

116

0.03

3

C111

0.056

C113

0.056

C110

0.056

C10

8

JUM

P

R11

5

2.7K

56K

R11

4

56K

R11

3 OPT

R112

R11

1 10

0

0.47

u50

C11

2

+

24K

R12

1

4.7K

R11

8

100K

(B)

VR

102

60Hz

200Hz

ON OFF

4.7u50C107

+

150K

R140 68R124

2.2KR131

0.1

C12

6

C12

5 22

0u16

+

R13

9 JU

MP

R12

5 2.

2M

R126220K

R1271M

10K

R123

10K

R12

9

10K

R14

1

100K

R14

2

220u

10C

127 +

0.02

2C

128

1KR130

220P

C10

1

100P

C10

3

R1021K

33R120

6

5

4

3

2

1

6

5

4

3

2

1

100K

(B)

VR

101

R132

10KR133

3.3K

R134

2.2K

10K

R135

R137

22K2.

2K

R13

6

6.8K

R13

8

0.02C119

47u16C118

+

33

R11

9

4.7u

50C

102

+4.7KR712

2.2u

50C

705 +

1KR71

1

2.7K

R70

9

47K

R708 1u50

C70

4 +

10K

R71

0

33K

R70

7

22K

22K

R70

5

22u1

6C

703 +

240K

R70

310

u16

C70

2

56K

R70

4

33u1

6C

701 +

56KR702

12K

R70

1

3 3

1

2

1

2

R71

3

0.02

2C

920

0.02

2C

919

0.02

2

C92

2

0.02

2

C92

1

8200

u63

C90

3 +

0.1

C90

5C

906

C90

4

0.1 +

8200

u63

78 6

5

43

21

R907

220

1000

u35

C90

8

0.1

C91

0C

909

1000

u35

C90

7

0.1

+

+

0.02

2C

924

0.02

2

C92

5

C92

30.

022

0.02

2

C92

6

1

OUTGND

3 2IN

47u1

6C

915

+0.02

C91

6

47u1

6C

912 +

47K

R90

6

68K

R90

5

F902250V T 1A

F903250V T 1A

2

1

250V T 3AF901

0.01

C901

0.01C902

AC120V

12

OFFON

Q701,702

R10

5 47

K

C13

1 47

u16

+

C13

0 47

u16

+

R10

1 33

0K

4.7u50C117

+

R1164.7K

100P

C11

4R143 330K

0.022C121

C12

0 47

u16

+

1MR12

8

0.02

2

C91

3

22KR901

4.7u

50C

917 +

8.2K

R90

2

1/4W

2 1

4 3

+

250V T 1.6AF901

0.01C901

0.01C902

2 1

ON OFF

1

2

1

2

3250V T 1.6A

F904

AC110-120V/

10K

R52

6

R528

75K

SW101

GND1

OUT IN 23

1W

FR50547 1/4W

220

1W

220-240V~

60Hz

330R529

2PC525

R517

75K

+

C52

122

0u63

47 1

/4W

FR

503

C511

220P

12K

R51

1

56R

509

56R

513

22P

C513

1KR51

5

+

C51

522

0u10

C505

100P

C507

100P

R50

5

1.8K

+

C53

710

u50

10K

R53

9

10u5

0C

509

+

OPTC535

10KR561

82R

557

4.7KR556

220u

63C

517

+

4.7u

50C

501

+2.

2KR

501

22K

R50

3

C50

3

0.01

FR50747 1/4W

47 1/4WFR559

330

1/4W

FR

5135K

VR

501

15K

R51

9R

541

7.5K

+

C52

31u

50

2.2 1/4WFR511

2.2 1/4WFR509

0.22

R52

3

0.22

R52

1

5W5W

0.1

C53

14.

7R

525

1W

R706

T901

JK101

IC701

IC102

IC101

IC901

IC902

SW-32HT(K) REVISED

(K,P) TYPE

(Y) TYPE

RELAYDRIVE

SW101

CROSSOVER

CROSSOVERFILTER SW

D101

ZD

101

RB101 CN502

Q103

Q102

Q101

LD101

D10

2

D10

3

D70

1

Q702

Q701

RL501

D702

CN501 RB501

BD901

P501

D90

6

D901

LINEINPUT

Q901

CN902

CN903

SW901

POWER SW

SP-WOOFER

VOLUME

STANDBYLED

LIMIT

IC101 : TL074IC102 : NJM4558DIC701 : UPC1237HA D702,901-904,906 : IN4001

D905 : IN4002

Q101-103,503,505,513,525,702: 2SC945

Q529,531 : 2SA970GRQ521 : 2SA1943(R)

Q701 : 2SA733

D90

5

CN901

RL901

D902

D904

D903

TA79015STA7815S:IC901

IC902 :

Q901 2SC2001:

1N4148:D101-103,505,507,701,704

:ZD101 RD8.2ES(B)

BD901 : KBU60D

CN903

POWER SW

SW901

CN904

CN902

SW

902

SIGNAL LINE

D70

4

Q529 Q531 Q509

Q503 Q505

Q501A Q501B

Q515

Q519

Q513

Q521

Q517

ZD

507

ZD

503

Q525

ZD

501

D50

5

D50

7

Q511

Q519 2SC5200(R):Q517 2SA940:Q515 2SC2073:Q511 2SC2911S:Q509 2SA1209S:Q501A,B 2SC2240GR:

ZD501 : RD23ES(B)ZD503 : RD5.6ES(B)ZD507 : RD10ES(B)

DRIVER

BIAS

POWER

(BOTTOM VIEW)

0V -14.

7V

0V 0V 0V

0V 0V

14.9V 0V

0V

5.1V

6.2V

6.2V

14.9V

0V

6.0V

6.5V

1.4V

0V

2.0V

0.3V

0.3V

0.7V

0V

15.0V

0.9V

1.1V

0V

0V

0V1.7V

0.8V

2.3V

22.8V

15.0V

0V

-23.8V

-15.0V

0V

46.3V

0V46.3

0V

0V

0V

46.3V

0V

0V

0V

3.5V

-46.3V

-0.6V0V

0.0V

-0.7V

-1.3V

SW-303/32HT/SW-35HT

CAUTION: For continued safety, replace safetycritical components only with manufacturer's rec-ommended parts (refer to parts list). indicatessafety critical components. For continued protec-tion against risk of fire, replace only with same typeand rating fuse(s). To reduce the risk of electricshock, leakage-current or resistance measure-ments shall be carried out (exposed parts areacceptably insulated from the supply circuit) beforethe appliance is returned to the customer.

The DC voltage is an actual reading measuredwith a high impedance type voltmeter with no sig-nal input. The measurement value may varydepending on the measuring instruments used oron the product.