Onkyo A-9155 Service Manual

SERVICE MANUAL

SERVICE MANUAL

INTEGRATED AMPLIFIER

MODEL A-9155

A-9155

Ref. No. 3991

042007

Black and Silver models

B MPP
S MPP

230V AC, 50Hz
230V AC, 50Hz

SAFETY-RELATED COMPONENT
WARNING!!

COMPONENTS IDENTIFIED BY MARK ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE

MEASUREMENTS TO DETERMINE THAT EXPOSED

PARTS ARE ACCEPTABLY INSULATED FROM THE

SUPPLY CIRCUIT BEFORE RETURNING THE

APPLIANCE TO THE CUSTOMER.

RC-627S

A-9155

EXPLODED VIEW

P901

A037

A202

A201

x 17 pcs.

A501A

x 8 pcs.

A002

x 9 pcs.

A041

A057

F903

x 2 pcs.

U10

F901

A058

x 4 pcs.

A060

U03

T902

A043

A200

A055

x 2 pcs.

U04

A053

x 2 pcs.

A051

A052

U11

A056

A148

x 2 pcs.

Q522

A044

x 3 pcs.

A016

x 2 pcs.

A054

Q524

U08

A059

D901

Q521A

x 4 pcs.

A045

x 3 pcs.

A013

x 2 pcs.

Q523

A046

x 3 pcs.

U13

A010

A025

A028

x 4 pcs.

A031

x 4 pcs.

A029

x 4 pcs.

Q521

A042

x 5 pcs.

U05

A100

A047

x 2 pcs.

A061

x 2 pcs.

A004

x 8 pcs.

U09

U06

U01

A062

A019

x 5 pcs.

A145

x 6 pcs.

U02

A106

U07

U12

A103

x 4 pcs.

A130

A142

A147

x 2 pcs.

A007

x 2 pcs.

A136

A139

x 3 pcs.

A001

A124

A112

x 2 pcs.

A146

A121

A118

A127

A115

A109

A-9155

A-9155

EXPLODED VIEW

P901

A037

A202

A201

x 17 pcs.

A501A

x 8 pcs.

A002

x 9 pcs.

A041

A057

F903

x 2 pcs.

U10

F901

A058

x 4 pcs.

A060

U03

T902

A043

A200

A055

x 2 pcs.

U04

A053

x 2 pcs.

A051

A052

U11

A056

A148

x 2 pcs.

Q522

A044

x 3 pcs.

A016

x 2 pcs.

A054

Q524

U08

A059

D901

Q521A

x 4 pcs.

A045

x 3 pcs.

A013

x 2 pcs.

Q523

A046

x 3 pcs.

U13

A010

A025

A028

x 4 pcs.

A031

x 4 pcs.

A029

x 4 pcs.

Q521

A042

x 5 pcs.

U05

A100

A047

x 2 pcs.

A061

x 2 pcs.

A004

x 8 pcs.

U09

U06

U01

A062

A019

x 5 pcs.

A145

x 6 pcs.

U02

A106

U07

U12

A103

x 4 pcs.

A130

A142

A147

x 2 pcs.

A007

x 2 pcs.

A136

A139

x 3 pcs.

A001

A124

A112

x 2 pcs.

A146

A121

A118

A127

A115

A109

A-9155

A-9155

A

SCHEMATIC DIAGRAMS-1

NAAF-9245

1

2

PHONO

(MM)

CD

TUNER

3

OUT

TAPE

IN

OUT

LINE

/DOC

IN

4

U01 AMPLIFIER PC BOARD

PHONO
EQUALIZER

C101

R101

R105

47/50

1K

220K

5

6

C117

C107

152J

330/25
R107
820

R106
220K

3

2

C118
152J

C108

330/25
R108
820

J341

NC

L702

RI

NC

R701
470

L701

NC

J701

P202

P203

R103

56K

C103
471K

C102

R102

47/50

1K

R104

56K

C104
471K

P201

8

L

7

9

R

5

L

4

6

R

2

L

1

3

R

5

L

4

6

R

2

L

1

3

R

7

5

L

4

6

R

2

L

1

3

R

7

RI

P205

R227

330

R228

330

R231

330

R232

330

R239

2.2K

R240

2.2K

R243

330

R244

330

R247

2.2K

R248

2.2K

R251

330

R252

330

J340

NC

NC

NC

C221
101K

C222

101K
C223
101K

C224

101K

C225

C226
NC

C227

101K

C228

101K

C231

C232
NC
C229
101K

C230
101K

1

2

3

R229
1M

R230

1M

R233

1M

R234
1M
C234

223Z

R246
1M

R254

1M
C236

223Z

C241
102K

NC

R241
1M

R242

1M

R245
1M

C235
223Z

R249

R250

1M

R253

1M

1M

C120

C702
NC

C109
682J

R113

470K

Q101:B

C110
682J

R114

470K

Q101:A

C111
182J

R111

39K

NJM4558D-X

7

C112
182J

R112

39K

4

NJM4558D-X

1

8

C115
10/50

C116
10/50

R122

100K

R377 10K

R378 10K

SEL_CLK

SEL_DATA

BCDEFGH

R121

100K

C923
22/50

C924
22/50

C925
223Z

70

69

68

67

66

65

64

INL9

63

INR9

62

INLA/RECL1

61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41

INR11/RECR5

INRA/RECR1
INL8
INR8
INL7
INR7

INRB/RECR2
INL6
INR6
INL5
INR5
INL4

R2S15211FP

INR4

SELECTOR/VOLUME

INL3
INR3
INL2
INR2
INL1
INR1
AVEE
CLOCK
DATA

DGND

MONO39SUBL38SUBR37ADCR36ADCL35FRIN234FLIN233SRIN232SLIN231SWIN230CIN229SBRIN228SBLIN227TRE_R

40

R373

R923

10(1/4W)

R924

10(1/4W)

73

72

71

RECL3

RECR3

INL11/RECL5

INLB/RECL2

INL10/RECL4

INR10/RECR4

Q312

(Top view)

1K

74

FLIN1

76

75

CIN1

FRIN1

+/-7V Supply

+7V

-7V

77

SLIN1

SWIN1

BASS_R225BASS_R1

C388
474J

79

78

SRIN1

1-OUT

AGND

2-OUT

SBRIN1

3-OUT

AGND

4-OUT

5-OUT

AGND

6-OUT

FLOUT

AGND

FROUT

BASS_L1
BASS_L2

TRE_L

AVCC

26

C377223J

C381823J

80

1-C

SBLIN1

2-C
3-C

4-C
5-C

6-C

FLC

FRC

C379474J

R375

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

1.8K

1
2
3
4
5
6
7
8
9

R3721KR371

NC

J602

C386

R_OUT

L_OUT

C385
C380

823J

C382

223J

C378

C363
470/10

C361

220/16

C367 NC

C362

220/16

C364

470/10

C368 NC

47/25

47/25
474J

2SA1015

C372 47/25

R376

1.8K

2SC1815

MTZJ7.5C

MTZJ7.5C

Q362

C371 47/25

Q361

D361

1K

D362

NC

J601

R361

68(1/2W)

C365
220/16

C366
220/16

R364

680(1/4W)

R362
68(1/2W)

NAAF-9246

L

R

1

123456789

L

R

R363

680(1/4W)

GND

TONE-L

TONE-R

U02 TONE CONTROL PC BOARD

NJM2068L-D

R401

4

4

R403
220K

R404
220K

R402 1K

JL209A

JL209B

R463
220K

R464

220K

1K

C403

47/25

C404

47/25

4

3

3

3

Q401:A

2

2

2

8

8

8

R419

4.7K

R420

4.7K

6

Q401:B

5

NJM2068L-D

C451

47/25
R453

82K

R454

82K

C452

47/25

-15V
+15V

J501

J502

R405

22K

NC

NC

R406
22K

C461
47/25

J504

NC

C462
47/25

1

1

1

7

R409

100KC

R451

3.3K

C457

NC

NC

C458

NC

R452

3.3K

R459

4.7K

J503

R460

4.7K

C407
47/25

R417

4.7K

R413

R414

R409

100KC

R418

4.7K

C408
47/25

BASS TREBLE

C405

C411

473J

123J

1

932

R421
NC

1K

1K

7

6

5

C406
473J

3

Q403:A

2

6

Q403:B

5 7

R442

10(1/4W)

R441

10(1/4W)

C409
224J

C410

224J

R422

NC

GND_DC

4

NJM2068L-D

1

C453
101K

8

R455
22K

R456

22K

C454
101K

NJM2068L-D

C415

220/16

R412

220

R411
220

C412

C413
823J

C414
823J

123J

R408

2

6

1

3

5 7

3.3K

220/16

C416

9

3.3K

R458

R415
50KC

R415
50KC

R457

3.3K

C429
223Z

C428
223Z

R407

C455
47/25

R461
100K

R462
100K

C437
220/16

3.3K

22(1/4W)

C456
47/25

R437

22(1/4W)

R438

L

E

R

+15V

47/25

C402
47/25

-15V

1098765432

10

C401

Q452

DTC123JS

8

10

5
3

12 1

C459
103J

R443

330(1/2W)

220/16

RL450

D450

C438

TONE_RL

NOTE

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF

5

ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

<Note>

NC = No mount of parts.

SD-Z : XY

Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.

!

(DGND)

(RLGND)

(VOL_GND)

VOL_5V

+12V

GND

GND

GND

54321

JL210B

(SD2 : E5)

PROTECT_I

SPA_RL

SPB_RL

321

JL211B

To NACPU-9251

(SD2 : C5)

(DGND)

RI

AMUTE

SEL_CLK

SEL_DATA

TONE_RL

HPIN

GND

RCPOWER
1

JL212B

8765432

To NACPU-9251

(SD2 : D5)

To NACPU-9251

RL450

D450

C459
103J

220/16

C438

WS-CLAMP

P431
WS-CLAMP

P432

9

4

R491

R492

A-9155

C582

R593

LEFT POWER-AMP

39.8V

R565
120K

C527
47/63

R501

C501

47/50

470

+

C503
101K

R503

NC

27K

C513
47/25

+

R563

100K

-39.8V

2SC2458-GR

RIGHT POWER-AMP

39.8V

R566
120K

R502

C502

47/50

470

+

C504
101K

R504

27K

C514
47/25

+

R564

100K

-39.8V

C528
47/63

MUTING

Q305-308

RN1241-A

R493

R495

270

100

47K

Q491

Q492

47K

R494
270

R435
220K

C442

1/50

R496
100

R436

2.2K

D491

1SS133

Q495

Q496

Q493

KRA102M

C941
10/50

J103

R517

1K

R577
120K

Q501

2SC2240-BL

R505

10

R507
330

C507

NC

R511

5.6K

Q505

-38.6V
2SC2240-GR

BL

Q529

R518

1K
R578
120K

Q502

2SC2240-BL

R506

10

R508
330

C508

NC

R512

5.6K

Q506

-38.6V
2SC2240-GR

BL

Q530

2SC2458-GR

R519

39.2V

R509

R520

39.2V

R510

1K

39.2V

Q503

330

-0.6V

R529

-13V

-39.2V
R561

270

BL

1K

39.2V

Q504

330

-0.6V

R530

(1/2W)

-13V

1SS133

-39.2V
R562

270

BL

2SA949-Y

Q507

39.3V

C511

NC

0.6V

2SC2240-BL

(1/2W)

56

D511

1SS133

2SA949-Y

Q508

39.3V

C512

NC

0.6V

2SC2240-BL

56

D512

R521
82

(1/2W)

R515

1.5K

C597
NC

+

C505

220/25

Q509

2SA949-Y

-39.2V

-39.8V

R525

68

(1/2W)

R522
82

(1/2W)

R516

1.5K

C598

NC

+

C506

220/25

Q510

2SA949-Y

-39.2V

-39.8V

R526

68

(1/2W)

R523

82

(1/2W)

39.3V
Q513

2SA949-Y

C523
020C

1.2V

C521

10/50

+

R531

NC

18K

Q515

2SC2229-Y

R527
82

(1/2W)

R524

82

(1/2W)

39.3V

Q514

2SA949-Y

C524
020C

1.2V

C522

10/50

+

R532

NC

18K

Q516

2SC2229-Y

R528
82

(1/2W)

Q531

2SC1740S-S

R535

18K

C595

-0.6V

C515

101K

R587
IDLING ADJUST

Q532

2SC1740S-S

R536

18K

C596

-0.6V

C516

101K

R588
2K

R588
IDLING ADJUST

R581

5.6K

R583

3.9K

R585

1K

R587
2K

R589

3.3K

R582

5.6K

R584

3.9K

R586

1K

R590

3.3K

Q521

2SC5197

R579

330

P511

2

ID+

1

ID-

P597ANCP597B

NC

0V

R549

3.3K

Q523

2SA1940

Q522

2SC5197

R580

R546

330

P512

2

ID+

1

ID-

P598ANCP598B

NC

0V

Q524

2SA1940

39.8V

Q527

2SC2229-Y

0V

R545

22K

ID ADJ

C517

473J

-39.8V

39.8V

Q528

2SC2229-Y

0V

22K

ID ADJ

R550

C518

3.3K
473J

-39.8V

-O

-O

R553
47K

(1W)
C519

104J

R554
47K

(1W)
C520

104J

39.8V

R551

33K

J691
NC

L501

R567

22

R569

22

R555

8.2

2.2(1/2W)

39.8V

R552

33K

J692
NC

L502

R568

22

R570

22

R556

8.2

R594

Q517

R591

2.2

2SC5171

(1/4W)

0.6V
R539

2.2

R513

(1/2W)

0V

56K

0V

R533

R547

56K

R543

82

(1/2W)

Q533

2SC1740S-S

-1.2V

R592

2.2

(1/4W)

R514

56K

R534

56K

R544

82

(1/2W)

Q534

2SC1740S-S

-1.2V

-0.6V

0.6V

-0.6V

0.22(5W)

C509

+

NC

R541

2.2

(1/2W)

Q519

2SA1930

Q518

2SC5171

R540

2.2

(1/2W)

0V

R548

0.22(5W)

C510

+

NC

R542

2.2

(1/2W)

Q520

2SA1930

0V

C529

NC

C530

NC

2.2(1/2W)
R573

10K

R572

22K

223Z

R574

47K

Q583
2SA970

SPB_RL

Q592

DTC123JS

Q591

DTC123JS

SPA_RL

C537

NC

C538

NC

R596
680(1W)

C592
103J

R595
680(1W)

C591
103J

R598

390(1W)

R599

390(1W)

D592

D591

SP-B
1

6

SP-A

1

6

2

3

2

3

SP-L
SP-R

JL711B

RL592

4 5

RL591

4 5

1
2
3

RB
RA

C534

102J

C536

102J

RE

LE

LB
LA

C533

102J

C535
102J

C532

C531
102J

102J

P501
3
1
5
4
2

8
6

10

9
7

NATRM-9255

1
2
3

JL711A

L585

220M

L583
220M

L584
220M

C585
104Z

102J

C584

102J

P504

P502

3

2

1

C583

U09

HEADPHONE JACK
PC BOARD

AB

R

L

SPEAKERS

PHONES

TONE_RL

-15V

+15V

E591

AMUTE

Q921B

Q922B

R911

JUMPER

C932

10/50

C933

10/50

C910
10/50

J901

Q921
78M15
3O2G1

3O2
Q922

79M15

J902

R575
220K

D571

MTZJ5.1B

PROTECT_I

NC

HEATSINK

Q902A

1/50

C911
47/50

C912
47/50

1/50

2SC3851-Y

MTZJ30D

MTZJ30D

Q903A

2SA1488-Y

I

C909
223Z

R904

8.2K

D909

D910

R905

8.2K

R907
100(2W)

R906
100(2W)

C905

8200/56

C906
8200/56

C908A
NC

RBV402

134

D902 D903

D904 D905

C908

2200/16

D901

2

C907
104J

C903
104J

C904
104J

C913

NC

C914

P901B

P902B

P903B

P902C
NC

P904B

NC

1
2
3

Q902B

I

Q902

223Z

C931
223Z

C919

C920

Q903

I

Q903B

HEATSINK

NC

Q901

78M05

3O2G1

C930

G

1

DC PROTECT

C575
1/50

Q582

R571

2SC2240

C581

100/16

33K

2SC2240

NAPS-9247

P901A

P902A

P903A

P904A

3
2

R915

1

2.2(1/2W)

16

U03

TRANS. SEC.
TERMINAL
PC BOARD

Q581

POWER TRANSFORMER

10

10

12

12

14

14
15

15

16

T902

NPT-1293P

6

7

2

THERMAL

FUSE

4

TO NAPS-9257

NAETC-9248

U04

TERMINAL PC BOARD

WS-CLAMP

WS-CLAMP

P691

P692

WS-CLAMP

P693

A-9155

A

SCHEMATIC DIAGRAMS-2

NASW-9253

U07 INPUT SELECTOR PC BOARD

1

NACPU-9251

RLGND

1

+9V

2

ACPOWER

3

POFF

4

JL901A

2

3

TO PS-9287

1

FLMD0

2

P801

Vdd

3

RESET

4

FLSCK

5

FLSO

6

FLSI

7

FLASH WRITER

8

RESET

1

FLMD0

2

P802

DEB_X2

3

DEB_X1

4

GND

5

DEBUG

Vdd

6

GND

BCDEFGH

U801

1

2

3

104Z

1K

D804

C805

330/6.3

C814

1/50

D802

1SS352

1SS352

0.22F

RN1404

D816

C806

Q813

C816

330/6.3

1SS352

A-9355/A-973 ONLY

GP1UM281XKVF

U05 MICROPROCESSOR PC BOARD

+12V

R881

22(1/2W)

1SR154-400

DGND

D821

100/16

C801

L801

Q802

C802 104Z

NCH-1479

3

I

O

G

1

C803

10/50

2

D801

1SS352

R801

D803

1SS352

C807

C804

100/16

A-9355/A-973 ONLY

R884

C813

220K

D822

C815

10K

100/16

R839

47K

104Z

R814

220K

D823

UDZS5.1B

C810

104Z

R815

UDZS5.1B

123

321

JL811B

JL811A

R830

1K

R859

R857

100

1K

R861

1K

R863

1K

R865

1K

A-9355/A-973

S806

LOUDNESS

R858

100

R860

1K

R862

1K

R864

1K

R866

1K

ONLY

OCD1A

R835

390

PURE DIRECT

C819

104Z

C820

104Z

17

P60/SCL0

18

P61/SDA0

19

P62/EXSCL0

20

P63

21

P33/TI51/TO51/INTP4

22

P77/KR7

23

P76/KR6

24

P75/KR5

25

P74/KR4

26

P73/KR3

27

P72/KR2

28

P71/KR1

29

P70/KR0

30

P06/TO01/TI011

31

P05/SSI11/TI001

32

P32/INTP3/OCD1B

A-9355/A-973

ONLY

104Z

R834

2.7K

C818

S805

15

16

Evdd

33

34

R868

150

D831

Q831

RN1402

1/50

C812

10

11

12

13

14

Vss

Vdd

Evss

REGC

P121/X1/OCD0A

Q801

uPD78F0533GK

MICROPROCESSOR

P5035P5136P5237P5338P30/INTP139P17/TI50/TO5040P16/TOH1/INTP5

100

1K

R855

R829

R831

22

100

220

R852

R828

R871

150

R872

D832

LOUDNESS

DIRECT

Q832

RN1402

RN1402

10K

R892

47

R822

6

7

8

9

FLMD0

RESET

P123/XT1

P124/XT2/EXCLKS

P122/X2/EXCLK/OCD0B

P15/TOH042P14/RxD643P13/TxD644P12/SO1045P11/SI10/RxD0

41

0

R82347R825

150

D833

Q833

P140/PCL/INTP6

P141/BUZ/INTP7

P01/TI010/TO00

P10/SCK10/TxD0

46

47

R824

2

P433P424P415P40

AVref

47

47

MODE

REMIN

10K

R827

RN1407

Q815

4

Q816

RN2402

Q812

RN2402

10K

R819

Q814

RN2402

10K

R812

R867

10K

SYSIN

SYSOUT

R853

R837

RN2402

47K

10K

Q817

ONLY

A-9155

R838

D817

10K

ONLY

A-9355

1SS352

A-9355/A-973 ONLY

10K

R820

5

SPL_DET

SPA_RL

DG_MUTE

PROTECT_I

10

SPB_RL

NC

SPA_RL

SPB_RL

PROTECT_I

321

JL211C

To NAAF-9245

(SD-1 : C5)

SPR_DET

SPADET_RL

+12V

RLGND

SPBDET_RL

123456789

JL211A

AMUTE

HP_IN

SEL_DATA

RCPOWER

TONE_RL

54321

JL212A

To NAAF-9245

(SD-1 : D5)

A-9155

150

R873

D833

TAPE

RN1402

1

2

P433P42

P140/PCL/INTP6

P141/BUZ/INTP7

P00/TI000

P01/TI010/TO00

P02/SO11

P03/SI11

P04/SCK11

ANI0/P20

ANI1/P21

ANI2/P22

ANI3/P23

ANI4/P24

ANI5/P25

ANI6/P26

ANI7/P27

P10/SCK10/TxD0

AVref48AVss

46

47

47

47

104Z

ONLY

150

R874

D834

TUNER

Q834

RN1402

1

JL812B

123456789

JL812A

64

63

62

61

60

59

58

57

P130

56

55

54

53

52

51

R833

50

33K

49

VOLDN

VOLUP

C811

Q835

150

D835

R875

CD

RN1402

D836

Q836

LED:SEL2E10C-F

150

R876

PHONO

Q837

RN1402

1098765432

10

10K

R897

R898

D837

R896

220

10K

R8461KR845

R878

DOCK

R848

R849

R847

680

12

11

560

10 16

15

9

470

8

270

R850

330

R851

150

150

R877

D838

MD

Q838

RN1402

A-973

A-9155

ONLY

R844

1.2K

1

1.8K

2

3

R843

413

14

5

R842

6

18K

7

R841

S802

INPUT SELECTOR

3.3K

6.8K

NOTE

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

!

<Note>

NC = No mount of parts.

SD-Z : XY

Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.

Q823

RN1402

R818

D812

3.3K

MUTING

Q822

RN1402

R817

D811

150

SP_B

Q821

RN1402

D810

R816

150

SP_B SP_A

R803

2.7K

C809

104Z

SP_A

S804 S803

104Z

R802

2.7K

C808

Q811

RN1402

R804

STANDBY

3.3K

JL813A

JL813B

1

2

3

STANDBY

1

2

3

D805

NADIS-9252

U06

LED PC BOARD

MOTOR DRIVER

3.3K
R832

Q803

IN22VCC3OUT24NC5GND6VS7OUT18VREF9IN1

TA7291S

1

R895

220

C817

100/16

JL913A

VOLAD

D_GND

1.5mm pitch JH

TO VOLUME

+5V

OUT2

OUT1

54321

1SS352

SEL_DATA

TONE_RL

D818

SEL_CLK

UDZS5.6B

R894

RI

D_GND

87654

220K

R856

0

+12V

RLGND

DGGND

VOL_5V

VOL_GND

54321

JL210A

To NAAF-9245

(SD-1 : D5)

JL913B

VOLUME

223

C782

3 9782

223

C781

12345

+5V

VOLAD

D_GND

1K

R783

223

C783

470K

R782

NASW-9258

U12

OUT1

OUT2

VOLUME PC BOARD

223

C784

R200

M

-+

A-9155

A

SCHEMATIC DIAGRAMS-3

1

NASW-9254

U08

POWER SWITCH
PC BOARD

NC

P901B

C902

S901

POWER

P902B

AC CABLE

2

AC IN 230V, 50Hz

3

4

P901A

P902A

P900A

1

2

GND

AC-H

AC-G

2

1

T901

3 4

1

986

E901

1SS352

C916

223J

D911

4

1SS352

5

C917

102J

D910

BCDE

NOTE

THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

U10 POWER SUPPLY PC BOARD

T901
J/D TYPE : NPT-1519JQ
P/G TYPE : NPT-1519GQ

D908
S1NB60-4062

2

4

3

+

C920

2.2/50

1

R917

33K

!

NAPS-9256

C911

103M/275V

J931
NC

2 4

F901

T1.6AL250V

WS-CLAMP

P981

RLGND

POWER

POFF

1

4

RL901

2 3

D901

1SS352

C904
104Z

Q901

DTC123JKA

R906

2.2(1/2W)

C919

C913

3300/16
+

RLGND

Q907

S-80127CN

5

OUT

VDD

1

VSS

VSS

2

NC

22(1/2W)

4

3

27.7mA

+

C913A
NC

R916

18K

27K

104J

R918

OUTLET

POWER

R909

D906

RL1N4003

UDZS5.1B

F903

T2.5AL250V

P910

D904

RL1N4003

D909

104J

3

1

POFF

C918

<Note>

NC = No mount of parts.

SD-Z : XY

Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.

NAPS-9257

U11

TRANS. PRI.
TERMINAL

P912A

P911A

1

+9V

2

3

4

PC BOARD

P912B

P913B

P911B

JL901B

TO NACPU-9251

THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.

CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.

POWER TRANSFORMER

T902

P/D-TYPE

6

W-TYPE 220V

W-TYPE 120V

7

2

4

CAUTION

FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE

VA

AND RATING INDICATED.

ATTENTION

AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT

VA

PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.

THERMAL

FUSE

10

6

7

13

14

2

15

4

TO NAPS-9247

16

A-9155

PACKING PROCEDURE

A-9155

A751

A512

A506

A506

A500

A752

A951

A954

R

A952

A953

Right side
marking

Front side
marking

Left side
marking

Front side
marking

Front side

L

A801

Front side

A503

(R & L)

A509

A-9155(B)

A701

A701

A-9155(B)

A-9155(B)

A509

A-9155

ONKYO CORPORATION

Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN
Tel: [phone] Fax: [phone]

ONKYO U.S.A. CORPORATION

18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.
Tel: [phone] Fax: [phone] http://www.us.onkyo.com/

ONKYO EUROPE ELECTRONICS GmbH

Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY
Tel: [phone] Fax: [phone] http://www.eu.onkyo.com/

ONKYO EUROPE UK Office

Suite 1, Gregories Court, Gregories Road, Beaconsfield, Buckinghamshire, HP9 1HQ
UNITED KINGDOM Tel: [phone] Fax: [phone]

ONKYO CHINA LIMITED

Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung,
N.T., HONG KONG Tel: [phone] Fax: [phone]
http://www.ch.onkyo.com/

HOMEPAGE

http://www.onkyo.com/