Onkyo 9555 - A Amplifier Manuale utente

A-9555

SERVICE MANUAL

INTEGRATED AMPLIFIER

Black, Silver and Golden models

MODEL A-9555

Ref. No. 3920

122005

G UGT, G MGT

G UDT, G MDT

G UGR, G MGR

220-230V AC, 50/60Hz

120V AC, 60Hz

220-230V AC, 50/60Hz

120V AC, 60Hz

230-240V AC, 50Hz

B UDC, B MDC

B UPP, B MPP

120V AC, 60Hz

230-240V AC, 50Hz

S UDC, S MDC

S UPP, S MPP

RC-627S

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.

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A-9555

SPECIFICATIONS

Power output :

Dynamic power :

THD (total harmonic distortion) :

Damping factor :

Input sensitivity and impedance :

Output level and impedance :

Phono overload :

Frequency response :

Tone control :

SN ratio :

Speaker impedance :

Power supply :

Power consumption :

Stand-by power consumption :

Dimensions (W x H x D) :

Weight:

Analog inputs :

Analog outputs :

Speaker outputs :

Phones :

100 W + 100 W (8 , 1 kHz, DIN)

200 W + 200 W (4 , 1 kHz, JEITA)

230 W + 230 W (3 , Front)

200 W + 200 W (4 , Front)

120 W + 120W (8 , Front)

0.08 % (1 kHz, 1 W)

25 (Front, 1 kHz, 8 )

200 mV, 50 k (CD)

2.5 mV, 50 k (PHONO MM)

200 mV, 2.2 k (REC OUT)

70 mV (MM, 1 kHz, 0.5 %)

10 Hz - 60 kHz, +1 dB -3 dB (CD)

+10 dB, -10 dB, 100 Hz (BASS)

+10 dB, -10 dB, 20 kHz (TREBLE)

+10 dB, 50 Hz (LOUDNESS)

+2 dB, 10 kHz (LOUDNESS)

100 dB (CD, IHF-A)

70 dB (PHONO, IHF-A)

4 - 16

AC 230-240 V, 50 Hz

AC 220-230 V, 50/60 Hz

AC 120 V, 60 Hz

125 W

0.3 W

435 x 148 x 431 mm

13.0 kg

PHONO, CD, TUNER, TAPE, MD, HDD, LINE

MD, TAPE

2 (A, B)

Specifications and features are subject to change without notice.

TEL 13942296513 QQ 376315150 892498299

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A-9555

SERVICE PROCEDURE

1. Replacing the fuses

REF.NO.

F901

PART NO.

252260GR

252276GR

DESCRIPTION

6.3A-T/UL-ST2

3.15A-SE-TL250V

This symbol located near the fuse indicates that the

fuse used is show operating type, For continued protection against

fire hazard, replace with same type fuse , For fuse rating, refer to

the marking adjest to the symbol.

Ce symbole indique que le fusible utilise est e lent.

Pour une protection permanente, n'utiliser que des fusibles de meme

type. Ce demier est indique la qu le present symbol est apposre.

PART NAME

FUSE

Q'TY

REMARKS

<DC, DT>

<PP>

<GT, GR>

2. Initialize the unit.

(1) Press and hold down the PURE DIRECT button, then press the LOUDNESS button.

All indicators light up

(2) Disconnect the AC power cord from a wall outlet.

3. Setting position before shipment.

(1) POWER switch : ON

(2) BASS : CENTER

(3) TREBLE : CENTER

(4) SPEAKER SELECTOR : SPEAKER A

(5) VOLUME : MIN.

<Notes>

<DC> : Canadian model

<PP> : European model

<GT> : Asian model

<DT> : Taiwanese model

<GR> : Chinese model

TEL 13942296513 QQ 376315150 892498299

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A-9555

EXPLODED VIEW A083

x 4 pcs.

A082

x 2 pcs.

P101A

x 2 pcs.

A045

x 2 pcs.

A085

x 2 pcs.

A085

x 2 pcs.

A045

x 2 pcs.

A046

x 2 pcs.

A046

x 2 pcs.

A048

x 3 pcs.

A048

x 3 pcs.

A036

x 3 pcs.

A035

x 2 pcs.

A100

A104

x16 pcs.

A139

x 2 pcs.

E401

x 8 pcs.

A002

x 10 pcs.

A002

x 4 pcs.

A002

x 6 pcs.

A002

x 2 pcs.

A138

x 3 pcs.

A123

x 2 pcs.

A002

x 2 pcs.

A061

x 4 pcs.

A033

x 4 pcs.

A033

x 7 pcs.

A030

x 4 pcs.

A063

x 4 pcs.

A064

x 4 pcs. A026

x 4 pcs.

A022

x 4 pcs.

A025

x 4 pcs.

A062

x 4 pcs.

A084

x 2 pcs.

A034

x 4 pcs.

A123

x 2 pcs.

A130

x 3 pcs.

A137

x 3 pcs.

A142

x 2 pcs.

A128

x 4 pcs.

A125

x 3 pcs.

A126

x 3 pcs.

A001

A034

A131

A009

A006

A053

A008

A052

A051

A145

A029

A116

A084

A117

A110

A121

A145

A021

A122

A127

A105

A124

A141

A140

U05

A081

A135

U13

U12

U01

U06

U03

U02

P212

U07

U09

F901

F901C

A103 A102

A043

A086

A043

A101

U11

T911

U08

A037

A963

x 8 pcs.

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A-9555

BLOCK DIAGRAM

A-9555

REM IN

POWER

+5.6V

5V 12V

RELAY +12V

AC IN

FUSE

PHONO

TUNER

LINE

HDD

NJW1157

VL DIGITAL

MICROPROCESSOR

BACK UP

KEY / INPUT SELECTOR

PHONES

INTERFACE

HEAD PHONE AMP.

+/-15V

LOUDNESS

TONE

+/-15V+/-7V

POWER AMP.

STANDBY

LOUDNESS

PURE DIRECT

VOLUME

LINE

HDD

PHONO

TUNER

TA P E

PHONO

EQUALIZER AMP.

LOUDNESS

MUTING

SPEAKER

DETECTION

SPEAKER

DETECTION

RELAY

LPF

RELAY

PURE

DIRECT

INPUT SELECTOR

MUTE MUTE

REMOTE SENSOR

MAIN TRANS.

SUB TRANS.

POWER AMP.

RED

ORANGE

DRIVER AMP.

MODULATOR

MICROPROCESSOR

BROWN

BLUE

PHONO AMP.

SELECTOR

ANALOG

VOLUME

GREEN

SPEAKERS A

SPEAKERS B

TAPE

OUT

BCDEFGH

TEL 13942296513 QQ 376315150 892498299

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A-9555

BLOCK DIAGRAM

A-9555

REM IN

POWER

+5.6V

5V 12V

RELAY +12V

AC IN

FUSE

PHONO

TUNER

LINE

HDD

NJW1157

VL DIGITAL

MICROPROCESSOR

BACK UP

KEY / INPUT SELECTOR

PHONES

INTERFACE

HEAD PHONE AMP.

+/-15V

LOUDNESS

TONE

+/-15V+/-7V

POWER AMP.

STANDBY

LOUDNESS

PURE DIRECT

VOLUME

LINE

HDD

PHONO

TUNER

TA P E

PHONO

EQUALIZER AMP.

LOUDNESS

MUTING

SPEAKER

DETECTION

SPEAKER

DETECTION

RELAY

LPF

RELAY

PURE

DIRECT

INPUT SELECTOR

MUTE MUTE

REMOTE SENSOR

MAIN TRANS.

SUB TRANS.

POWER AMP.

RED

ORANGE

DRIVER AMP.

MODULATOR

MICROPROCESSOR

BROWN

BLUE

PHONO AMP.

SELECTOR

ANALOG

VOLUME

GREEN

SPEAKERS A

SPEAKERS B

TAPE

OUT

BCDEFGH

TEL 13942296513 QQ 376315150 892498299

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A-9555

SCHEMATIC DIAGRAMS-1

POWER AMPLIFIER SECTION

A-9555

Lch

Rch

GND

M_GND

PRT

+5V

SPRDET

SPLDET

+5V

PWMCNT

DCPRT

+12V

SPBRL

SPBDETRL

SPADETRL

NFMUTE

SPARL

GND

NC NC

(180K)

(6.8K)

4.7

R423

470

R433

2.2K

R435

100K

C432

681

R412

4.7K

R410

4.7K R409

4.7K

R481

120F

R439

R449

390

R455

560

R459

560

D403

1SS352

D405

1SS352

C417

102F

C407

47/50

D407

1SS352

C423

101

C427

224

C405

221

R564

220

C535

100/16

C603

103

C565

471

D505

M1FL20U

C555

471

D503

M1FL20U

C601

103

C550

102

D601

1SS352

D602

1SS352

R438

27K

R436

100K

R434

2.2K

C408

47/50

R452

390

R450

390

R460

560

R456

560

Q412

2SC2713

D404

1SS352

D412

1SS352

D408

1SS352

C422

101

C424

TF-C

101

C428

224

R572

C538

330/16

C542

224

D504

M1FL20U

C602

103

C556

471

D506

M1FL20U

C566

471

C604

103

D519

S1NB60

D604

1SS352

R622

560

C615

104

Q533

2SC2712

Q534

2SA1162

Q607

RN1402

D512

1SS352

R454

2.2K

R458

2.2K

R641

220K

R607

33K

R601

33K

R545

100K(F)

R546

100K(F)

R608

33K

C531

334

C532 334

R550

100K(F)

R539

0.1

R540

0.1

P602

C404

47/50

C403

47/50

R437

27K

Q606

RN2402

R602

33K

D612

1SS352

P601

D511

1SS352

R549

100K(F)

C596

102

D603

1SS352

D552

UDZS5.6B

R651

R652

R655

R584

3.9K

C572

47/35

C554

224

C536

100/16

R565

220

C559

D509

D507

D508

D510

R611

47K

C553

224

D413

1SS352

D409

1SS352

D414

1SS352

D410

1SS352

R541

0.1

R451

390

R542

0.1

R483

Q621

RN2404

C430

100/6.3

C507

33/35

C571

47/35

C508

33/35

C527

47/16

C607

100/16

C610

1/50

C614

4.7/50

C435

100/25

C437

100/25

C436

100/25

C438

100/25

C511

100/16

C512

100/16

C509

47/63

C510

47/63

R496

220

R498

220

R424

470

R408

470

R407

470

D406

1SS352

R428

100

D411

1SS352

R427

100 1

R411

4.7K

Q419

RN1441

C411

TF-C

104

R642

220K

C412

TF-C

104

Q420

RN1441

Q622

RN2404

C539

334/250

C540

334/250

C544

153/250

L502

22u

R551

R552

C406

221

C525

3300/25

P503

P504

P505

R443

27K

R563

1.5K R562

1.5K

Q603

2SC2712-GR

Q604

2SC2712-GR

R484

R401

2.2K

C401

TF-C

221

R402

2.2K

C402

TF-C

221

R623

THERMISTOR

D611

1SS352

C608

224

Q609

RN1402

R445

27K

D401

UDZS5.6B

D402

UDZS5.6B

Q403

2SC2712-GR

Q404

2SC2712-GR

Q531

2SA1837

Q532

2SC4793

R403

220K

R404

220K

R406

56K

R405

56K

R413

390K

R414

390K

R419

2.2K

R420

2.2K

R421

47K

R422

47K

R453

2.2K

R457

2.2K

R493

1.2K

R494

1.2K

R583

3.9K

R582

3.9K

R613

5.6K

R614

82K

R615

82K

R616

6.8K

R617

5.6K

R619

47K

R620

15K

R627

10K

R630

2.2K

R631

10K

R653

15K

R657

15K

R654

15K

R658 15K

R469

R471

R472

Q529

78L05

Q526

78L05 3

R440

R441

5.6K

R442

5.6K

R444

27K

R446

27K

R430

47 R432

R429

R431

C421

101

C419

102F

D518

LN15XB60

Q401A

HN3C51F-BL

Q615

TLP283-4

6 5

R482

120F

R649 NC

R650

R647

R648

R646 0

R645

Q402

HN3C51F-BL

Q406A

HN3A51F 1

Q406B

HN3A51F

4Q408

HN3A51F

Q418B

HN3A51F

Q405A

HN3A51F1

Q405B

HN3A51F

Q407

HN3A51F

Q417

HN3A51F 1

Q605B

HN3A51F

Q608

HN3A51F

R618

100K

L505

NCH-1537

1 3

RL501

RL502

bus1977

P501

P502

Q674

2SA950

R673

390

Q617

RN1402

Q618

RN1402 Q619

RN1402

Q616

RN1402

Q623

RN1402

Q624

RN1402

R672

22K

R635

2.2K

R634

2.2K

13 14

15 16

Q411

2SC2713

Q610

2SA1162-GR

Q513B

TPC6901

Q513A

TPC6901

Q517A

TPC6901

Q519

2SA1162-GR

Q517B

TPC6901

Q514A

TPC6901

Q541

2SC2712-GR

C631 NC

C632

Q542

2SC2712-GR

Q516

2SA1162-GR

C633 NC

C634 NC

Q613

M51957BFP

1NC1

2IN

3NC2

4GND 5

OUT

VCC

NC3

Q520

2SA1162-GR

Q544

2SC2712-GR

C429

100/6.3

C641

C642 NC

C589

104

C590

104

C622

104

C621

104

4 3

Q410

H3C51F-BL

C409

47/25

C410

47/25

C505

47/25

C506

47/25

R489

12K

R490

12K

R492

2.2K

R581

3.9K

R586

2.2K

R669

8.2K

R670

8.2K

R417

R418

R470

R585

2.2K

R668

22K

Q521

FQP34N20

Q523

FQP34N20

3 2

Q522

FQP34N20

Q524

FQP34N20

R575

47K

R578

560K

C606

104

C605

104

D551

UDZS5.6B

R491

2.2K

R576

47K

C523

334

C524

TF-C

334

C522

334/100V

C521

334/100V

D517

LN15XB60

C520

334/100V

C519

334/100V

R640

100K

C517

18000/75

C518

18000/75

D501

M1FL20U

D502

M1FL20U

C537

330/16

R571

Q515

2SA1162-GR

R505

4.7

C541

224

D521

1SS357

R661

560

Q545

2SA1162-GR

Q503

2SC2712

Q547

2SA1162-GR

R663

560

R515

330

D523

1SS357

R514

330

D522

1SS357

Q546

2SA1162-GR

R662

560

R516

330

D524

1SS357

Q548

2SA1162-GR

R664

560

Q514B

TPC6901

Q518A

TPC6901

Q518B

TPC6901

Q409

HN3C51F-BL

R506

4.7

Q416A

TC74AC00FT

12 11

10 8

Q415A

TC74AC00FT

3 4

5 6

11 1012 13

3 4

10 11

9 8

12 13

Q414A

TC74AC14FT

2 1

Q413A

TC74AC14FT

1 2

R680

10K

R679

10K

R667

22K L501

22u

C543

153/250

R637

68K

R638

5.6K

R681

R639

8.2K

R682

R603

15K

R604

15K R609

15K

R610

15K

C581

101

C583

101

C585

331

C431

681

C582

101

C584

101

C586

331

R695

10K

R697

10K

R696

10K

R698

10K

L506

NCH-1537

3 1

RL503 RL504

C549

102

Q530

78L05

R671 2.2K

Q671

TLP283

2 1

Q672

RN2402

R633

10K

R632

2.2K

8 7

Q620

RN1402

Q504

2SC2712

3 2

Q673

RN1402

Q502

PZTA42

3 2

C562

101

Q501

PZTA42

C561

101

C564

101

C563

101

D515

UDZS15B

D514

UDZS15B

R513

330

R521

R522

R524

R502

560

R508

1.5K

R510

1.5K

R520

150

R518

150

R694

100

R568 100

R692

100

R666 100

R509

1.5K

R507

1.5K

R517

150

R519

150

R523

R501

560

R691

100

R665

100

R693

100

R567 100

C418

TF-C

102F

C420

TF-C

102F

R504

820

R503

820

R606

56K

R626

56K R625

56K

R605

56K

R612

100K

Q601

2SA1255-Y

Q602

2SA1255-Y

C679 104

C680 104

R636

47K

R643

100K

C611

223

Q543

2SC2712

Q614

2SC2712

R628

68K

R629

12K

R644

68K

R559

0.47

R497

220

R495

220

bus1977

bus1806

bus1977

C558

C595

102

C557

R525

6.8

R527

3.3

R533

R573

R529

6.8

R531

3.3

R526

6.8

R528

3.3

R534

R574

R530

6.8

R532

3.3

R468

2.7K

R467

2.7K

R557

820

R591

R592

R536

6.8

R535

6.8

Q525 78M12

Q536

78M12

R558

1.5K

R577

560K

R560

6.8K

R561

6.8K

R415

8.2K

R416

8.2K

R466

1.8K

R465

1.8K

C545 563

C546

563

C548

104

C547 104

L503

3.3u

L504

3.3u

R580

R579

To P TRANS.

T911

(SD-5 : A1)

To P TRANS.

T911

(SD-5 : A2)

To P TRANS.

T911

(SD-5 : A2)

U01

AMPLIFIER PC BOARD

NAAF-8708 (1/2)

LEFT

RIGHT

Lch

Rch

DC OFFSET

ADJUST.

DC OFFSET

ADJUST.

SPEAKERS

To NAAF-8708(2/2)

(SD-2 : D2)

To NAAF-8708(2/2)

(SD-2 : D4)

Q548

Q544

RED

ORANGE

BLUE

LALB

RBLB

(2W)

(2W) (2W)

(1/2W)

+13V

-13V

+13V

-13V

+57V

-45V

-57V

-52V

-57V

-52V

-57V

+57V

-45V

+57V

-57V

-52V

-57V

-37V

-57V

-52V

BCDEFGH

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

A-9555

SCHEMATIC DIAGRAMS-1

POWER AMPLIFIER SECTION

A-9555

Lch

Rch

GND

M_GND

PRT

+5V

SPRDET

SPLDET

+5V

PWMCNT

DCPRT

+12V

SPBRL

SPBDETRL

SPADETRL

NFMUTE

SPARL

GND

NC NC

(180K)

(6.8K)

4.7

R423

470

R433

2.2K

R435

100K

C432

681

R412

4.7K

R410

4.7K R409

4.7K

R481

120F

R439

R449

390

R455

560

R459

560

D403

1SS352

D405

1SS352

C417

102F

C407

47/50

D407

1SS352

C423

101

C427

224

C405

221

R564

220

C535

100/16

C603

103

C565

471

D505

M1FL20U

C555

471

D503

M1FL20U

C601

103

C550

102

D601

1SS352

D602

1SS352

R438

27K

R436

100K

R434

2.2K

C408

47/50

R452

390

R450

390

R460

560

R456

560

Q412

2SC2713

D404

1SS352

D412

1SS352

D408

1SS352

C422

101

C424

TF-C

101

C428

224

R572

C538

330/16

C542

224

D504

M1FL20U

C602

103

C556

471

D506

M1FL20U

C566

471

C604

103

D519

S1NB60

D604

1SS352

R622

560

C615

104

Q533

2SC2712

Q534

2SA1162

Q607

RN1402

D512

1SS352

R454

2.2K

R458

2.2K

R641

220K

R607

33K

R601

33K

R545

100K(F)

R546

100K(F)

R608

33K

C531

334

C532 334

R550

100K(F)

R539

0.1

R540

0.1

P602

C404

47/50

C403

47/50

R437

27K

Q606

RN2402

R602

33K

D612

1SS352

P601

D511

1SS352

R549

100K(F)

C596

102

D603

1SS352

D552

UDZS5.6B

R651

R652

R655

R584

3.9K

C572

47/35

C554

224

C536

100/16

R565

220

C559

D509

D507

D508

D510

R611

47K

C553

224

D413

1SS352

D409

1SS352

D414

1SS352

D410

1SS352

R541

0.1

R451

390

R542

0.1

R483

Q621

RN2404

C430

100/6.3

C507

33/35

C571

47/35

C508

33/35

C527

47/16

C607

100/16

C610

1/50

C614

4.7/50

C435

100/25

C437

100/25

C436

100/25

C438

100/25

C511

100/16

C512

100/16

C509

47/63

C510

47/63

R496

220

R498

220

R424

470

R408

470

R407

470

D406

1SS352

R428

100

D411

1SS352

R427

100 1

R411

4.7K

Q419

RN1441

C411

TF-C

104

R642

220K

C412

TF-C

104

Q420

RN1441

Q622

RN2404

C539

334/250

C540

334/250

C544

153/250

L502

22u

R551

R552

C406

221

C525

3300/25

P503

P504

P505

R443

27K

R563

1.5K R562

1.5K

Q603

2SC2712-GR

Q604

2SC2712-GR

R484

R401

2.2K

C401

TF-C

221

R402

2.2K

C402

TF-C

221

R623

THERMISTOR

D611

1SS352

C608

224

Q609

RN1402

R445

27K

D401

UDZS5.6B

D402

UDZS5.6B

Q403

2SC2712-GR

Q404

2SC2712-GR

Q531

2SA1837

Q532

2SC4793

R403

220K

R404

220K

R406

56K

R405

56K

R413

390K

R414

390K

R419

2.2K

R420

2.2K

R421

47K

R422

47K

R453

2.2K

R457

2.2K

R493

1.2K

R494

1.2K

R583

3.9K

R582

3.9K

R613

5.6K

R614

82K

R615

82K

R616

6.8K

R617

5.6K

R619

47K

R620

15K

R627

10K

R630

2.2K

R631

10K

R653

15K

R657

15K

R654

15K

R658 15K

R469

R471

R472

Q529

78L05

Q526

78L05 3

R440

R441

5.6K

R442

5.6K

R444

27K

R446

27K

R430

47 R432

R429

R431

C421

101

C419

102F

D518

LN15XB60

Q401A

HN3C51F-BL

Q615

TLP283-4

6 5

R482

120F

R649 NC

R650

R647

R648

R646 0

R645

Q402

HN3C51F-BL

Q406A

HN3A51F 1

Q406B

HN3A51F

4Q408

HN3A51F

Q418B

HN3A51F

Q405A

HN3A51F1

Q405B

HN3A51F

Q407

HN3A51F

Q417

HN3A51F 1

Q605B

HN3A51F

Q608

HN3A51F

R618

100K

L505

NCH-1537

1 3

RL501

RL502

bus1977

P501

P502

Q674

2SA950

R673

390

Q617

RN1402

Q618

RN1402 Q619

RN1402

Q616

RN1402

Q623

RN1402

Q624

RN1402

R672

22K

R635

2.2K

R634

2.2K

13 14

15 16

Q411

2SC2713

Q610

2SA1162-GR

Q513B

TPC6901

Q513A

TPC6901

Q517A

TPC6901

Q519

2SA1162-GR

Q517B

TPC6901

Q514A

TPC6901

Q541

2SC2712-GR

C631 NC

C632

Q542

2SC2712-GR

Q516

2SA1162-GR

C633 NC

C634 NC

Q613

M51957BFP

1NC1

2IN

3NC2

4GND 5

OUT

VCC

NC3

Q520

2SA1162-GR

Q544

2SC2712-GR

C429

100/6.3

C641

C642 NC

C589

104

C590

104

C622

104

C621

104

4 3

Q410

H3C51F-BL

C409

47/25

C410

47/25

C505

47/25

C506

47/25

R489

12K

R490

12K

R492

2.2K

R581

3.9K

R586

2.2K

R669

8.2K

R670

8.2K

R417

R418

R470

R585

2.2K

R668

22K

Q521

FQP34N20

Q523

FQP34N20

3 2

Q522

FQP34N20

Q524

FQP34N20

R575

47K

R578

560K

C606

104

C605

104

D551

UDZS5.6B

R491

2.2K

R576

47K

C523

334

C524

TF-C

334

C522

334/100V

C521

334/100V

D517

LN15XB60

C520

334/100V

C519

334/100V

R640

100K

C517

18000/75

C518

18000/75

D501

M1FL20U

D502

M1FL20U

C537

330/16

R571

Q515

2SA1162-GR

R505

4.7

C541

224

D521

1SS357

R661

560

Q545

2SA1162-GR

Q503

2SC2712

Q547

2SA1162-GR

R663

560

R515

330

D523

1SS357

R514

330

D522

1SS357

Q546

2SA1162-GR

R662

560

R516

330

D524

1SS357

Q548

2SA1162-GR

R664

560

Q514B

TPC6901

Q518A

TPC6901

Q518B

TPC6901

Q409

HN3C51F-BL

R506

4.7

Q416A

TC74AC00FT

12 11

10 8

Q415A

TC74AC00FT

3 4

5 6

11 1012 13

3 4

10 11

9 8

12 13

Q414A

TC74AC14FT

2 1

Q413A

TC74AC14FT

1 2

R680

10K

R679

10K

R667

22K L501

22u

C543

153/250

R637

68K

R638

5.6K

R681

R639

8.2K

R682

R603

15K

R604

15K R609

15K

R610

15K

C581

101

C583

101

C585

331

C431

681

C582

101

C584

101

C586

331

R695

10K

R697

10K

R696

10K

R698

10K

L506

NCH-1537

3 1

RL503 RL504

C549

102

Q530

78L05

R671 2.2K

Q671

TLP283

2 1

Q672

RN2402

R633

10K

R632

2.2K

8 7

Q620

RN1402

Q504

2SC2712

3 2

Q673

RN1402

Q502

PZTA42

3 2

C562

101

Q501

PZTA42

C561

101

C564

101

C563

101

D515

UDZS15B

D514

UDZS15B

R513

330

R521

R522

R524

R502

560

R508

1.5K

R510

1.5K

R520

150

R518

150

R694

100

R568 100

R692

100

R666 100

R509

1.5K

R507

1.5K

R517

150

R519

150

R523

R501

560

R691

100

R665

100

R693

100

R567 100

C418

TF-C

102F

C420

TF-C

102F

R504

820

R503

820

R606

56K

R626

56K R625

56K

R605

56K

R612

100K

Q601

2SA1255-Y

Q602

2SA1255-Y

C679 104

C680 104

R636

47K

R643

100K

C611

223

Q543

2SC2712

Q614

2SC2712

R628

68K

R629

12K

R644

68K

R559

0.47

R497

220

R495

220

bus1977

bus1806

bus1977

C558

C595

102

C557

R525

6.8

R527

3.3

R533

R573

R529

6.8

R531

3.3

R526

6.8

R528

3.3

R534

R574

R530

6.8

R532

3.3

R468

2.7K

R467

2.7K

R557

820

R591

R592

R536

6.8

R535

6.8

Q525 78M12

Q536

78M12

R558

1.5K

R577

560K

R560

6.8K

R561

6.8K

R415

8.2K

R416

8.2K

R466

1.8K

R465

1.8K

C545 563

C546

563

C548

104

C547 104

L503

3.3u

L504

3.3u

R580

R579

To P TRANS.

T911

(SD-5 : A1)

To P TRANS.

T911

(SD-5 : A2)

To P TRANS.

T911

(SD-5 : A2)

U01

AMPLIFIER PC BOARD

NAAF-8708 (1/2)

LEFT

RIGHT

Lch

Rch

DC OFFSET

ADJUST.

DC OFFSET

ADJUST.

SPEAKERS

To NAAF-8708(2/2)

(SD-2 : D2)

To NAAF-8708(2/2)

(SD-2 : D4)

Q548

Q544

RED

ORANGE

BLUE

LALB

RBLB

(2W)

(2W) (2W)

(1/2W)

+13V

-13V

+13V

-13V

+57V

-45V

-57V

-52V

-57V

-52V

-57V

+57V

-45V

+57V

-57V

-52V

-57V

-37V

-57V

-52V

BCDEFGH

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

A-9555

SCHEMATIC DIAGRAMS-2

PRE-AMPLIFIER SECTION

A-9555

M_GND

GND

Rch

Lch

HPMUT

+5V

STB

CLK

DATA

AMUT

HPIN

+15V

-15V

GNDD

GND

GNDD

GND

MAIN IN RL

TONE RL

+12V

DCPRT

PRT

DATA

STB

CLK

HPIN

SPLDET

SPARL

SPADETRL

SPBRL

SPBDETRL

NFMUTE

SPRDET

HPMUT

TONE RL

AMUT

MAIN IN RL

GNDD

HPL

HPE

HPR

GND

HPIN

LCH_IN

RCH_IN

LCH_OUT

RCH_OUT

BGND

-15V

+15V

+12V

GND

+5V

GND

TUNER

TAPE

HDD

LINE

OUT

BASS

TREBLE

NAETC-8717

BASS

R203

330

R202

330

R204

330

R207

330

R208

330

R211

330

R212

330

R213

330

R214

330

R215

330

R221

220K

R222

220K

R225

220K

R226

220K

C202

101K

C204

101K

C206

101K

C207

101K

C208

101K

C209

101K

C210

101K

C211

101K

C212

101K

C213

101K

C214

101K

C215

101K

C203

101K

R216

330

R235

R236

C216

101K

C217C218

R201

330 C201

101K

C205

101K

C222

1/50

C223

4.7/50

C225

47/16

C226

47/16

C229

10/16

C230

10/16

C231

10/16

C236472J

P202

C237

Q342

RN2402

R361

220K

R362 220K

R363

220K

R364

220K

R369

R370

R371

220K

R372

220K

R377

R378

C354

101

Q961

78M12

1I3

Q962

78M05

1I3

R968

22(1/2W)

D341

1SS352

D342

1SS352

D959

S1NB60

R347

220K

R348

220K

R351

220K

R352

220K

C224

4.7/50

C232

10/16

C356

220/16

C355

220/16

C972

10/50

L201

Q201

NJW1157

51 L1IN

52 R1IN

53 L2IN

54 R2IN

55 L3IN

56 R3IN

57 L4IN

58 R4IN

59 L5IN

60 R5IN

61 L6IN

62 R6IN

63 L7IN

64 R7IN

65 L8IN

66 R8IN

67 L9IN

68 R9IN

69 L10IN

70 R10IN

71 L11IN

72 R11IN

73 L12IN

74 R12IN

75 NC

76 DGND

77 DATA

78 CLOCK

79 LATCH

80 LAIN

81 RAIN

82 CAIN

83 LSAIN

84 RSAIN

85 LBAIN

86 RBAIN

87 SWAIN

88 LBIN

89 RBIN

90 CBIN

91 LSBIN

92 RSBIN

93 LBBIN

94 RBBIN

95 SWBIN

96 GND

97 GND

98 VSS2

99 VDD2

100 TCCAP

LOUT

ROUT

COUT

LSOUT

RSOUT

LBOUT

RBOUT

SWOUT

DC_L1

DC_L2

FIL_BL

FIL_TL

DC_R1

DC_R2

FIL_BR

FIL_TR

GND

V+

V-

REC_A1L

REC_A1R

REC_A2L

REC_A2R

REC_A3L

REC_A3R

REC_B1L

REC_B1R

REC_B2L

REC_B2R

DCCAP_L

DCCAP_R

DCCAP_C

GND

DCCAP_LS

DCCAP_RS

DCCAP_LB

DCCAP_RB

DCCAP_SW

DCL_OUT

DCL_IN

DCR_OUT

DCR_IN

FL+

FL-

FR+

FR-

VDD

VSS

R245

220K

R341

220K

C969

2200/25

C240

C241

102

C349

47/50

C350

47/50

C341

47/50

C342

47/50

+C344

47/50

C343

47/50

R239 NC

R240 NC

R238

R237

C239

102

P204

C971

100/50

R205

2.2K

P201

R206

2.2K

R209

2.2K

R210

2.2K

+15V

-15V

C359

104J

C360

104J

R246

220K

R342

220K

Q341A

NE5532AP

Q341B

NE5532AP

Q348B

NE5532AP

R233

R234

RL342

RL341

J302

J301

R339

100

R340

100

Q349

2SD655

R373

2.2K

Q348A

NE5532AP

C353

101

Q343

2SD655

Q344

2SD655 Q346

2SD655

C361

104

C362

104

C363

104

C364

104

C365

104

C366

104

R375

2.2K

R376

2.2K

Q351

2SD655

Q352

2SD655

C367

104

C368

104

R353

2.2K

Q345

2SD655

R355

2.2K

R354

2.2K R356

2.2K

JL206B

R365

10K

R367

1.5K

R368

1.5K

R366

10K

C351

220/10

C352

220/10

C234 472J

C235224J

C233 224J

C968

334J

C348

474J

C358

474J

R382

100K

+15V -15V

R358

220K

R241

100

R242

100

R243

100

C967

334J

C973

334J

R343

R344

P203

Q957

2SA965

Q959

2SC2712

C965

220/16

R961

R963

1.8K

D957

UDZS7.5B

C975

220/25

C963

47/25

Q960

2SA1162

Q958 2SC2235

R962

R964

1.8K

D958

UDZS7.5B

C976

220/25

C964

47/25

C966

220/16

C238

R967

2.2(1/2W)

P211

-15V +15V

R379

R380

C345 220/16

C346

220/16 R357

220K

R381

100K

Q353

RN1402

Q354

RN1402

C306

333J

C307

333J

C309

222J

R311

10K

R312

10K R313

10K

R315

10K

R316

10K

R317

3.9K

R323

1.5K

R324

1.5K

C310

222J

R318

3.9K

R314

10K

C305

333J

C308

333J

R319B50K

R327

220K

R328

220K

C311

47/50

C312

47/50

Q302A

Q302B

C332

220/16

R331

22(1/2W)

220/16

R332

22(1/2W)

C957

100/35

C958

100/35

-15V +15V

C955

47/25

C956

47/25

Q953

2SC2712

Q954

2SA1162

Q952

2SC3851

D955

UDZS15B

D956

UDZS15B

R956

2.2K R955

2.2K

C953

2200/50

C954

2200/50

D953

D954

bus1869

R951

0.47(1/2W)

R952

0.47(1/2W)

C951

334J

C952

334J

D951D952

P209

R306

4.7K

Q301B

R302

R304

4.7K

C302

47/50

R326

470

R310

1.2K

C304

47/50

C303

47/50

Q301A

R303

4.7K

R301

C301

47/50

R325

470

R305

4.7K

R309

1.2K

P212A

P881

P882

C882

102J

C881

102J

C884

104Z

C883

104Z

JL206A

P209A

P205

R319A50K

R320A 50K

R320B 50K

P102B

L882

022M

L881

022M

L883

022M

JL210B

Q350

2SD655

R374

2.2K

C970

220/25

R359

2.2K

R360

2.2K

C228

47/16

C227

47/16

R345

470

R346

470

R349

470

R350

470

R958

330

R966

470

R965

470

R957

330

Q951

2SA1488

C347

105J

Q347

RN2402

C357

105J

C331

U01

AMPLIFIER PC BOARD

NAAF-8708 (2/2) U02

TONE CONTROL PC BOARD

NAAF-8710

U03

HEADPHONE JACK

PC BOARD

TREBLE

D951 - 954 : RL1N4003

PHONES

To NAAF-8711

(SD-4 : E2)

To NADIS-8709

(SD-3 : A1)

To NADIS-8709

(SD-3 : D4)

To P TRANS T912

(SD-5 : A3)

BROWN

BLACK

BROWN

To P TRANS T912

(SD-5 : A2)

GREENGREEN

<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.

To NAAF-8708(1/2)

(SD-1 : A2)

SELECTOR/VOLUME

BCDE

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

A-9555

SCHEMATIC DIAGRAMS-3

MICROPROCESSOR SECTION

A-9555

HPIN

STB

ACPOWER

NF_MUTE

SPBRL

SPARL

+5V

VOLGND

+5V

MUT+5V

VPP

VDD

RESET

GND

VOL+5V

DATA

CLK

PRT

DCPRT

VOLAD

TONE RL

MAIN_IN

VOLUP

VOLDN

AMUT

HPMUT

MUT+5V

VOLAD

OUT2

OUT1

POFF

ACPOWER

+9V

PRT

DCPRT

HPMUT

NF_MUTE

MAIN_IN

AMUT

TONERL

SPRDET

SPBDETRL

SPBRL

SPADETRL

SPARL

SPLDET

HPIN

STB

DATA

CLK

DGND

OUT1

OUT2

VOL5V

DGND

VOLAD

VOLLED

VOL+5V

RLGND

VOLGND

TUNER

FLASH WRITER

OFF

TAPE

STANDBY

HDD

LINE

PHONO

VOLUME

LOUDNESS

PURE DIRECT

INPUT

SELECTOR

NADIS-8709

NAETC-8719

NAETC-8713

NADIS-8712

RLGND

DGND

+12V

NAETC-8718

PURE

DIRECT

D816

1SS352

C813

104Z

C814

104Z

C816

104Z

R804

3.3K

R839

47K

R852

U801

GP1UM281XKVF

Q804

RN1402 Q805

RN1402 Q806

RN1402 Q807

RN1402 Q808

RN1402 Q810

RN1402

C815

100/6.3

C812

1/50

S805

R836

2.7K

R838

390

R841

18K

R844

1.8K

R845

1.2K

R846

R847

680

R851

270

S803

R848

560

R849

470

R850

330

R843

3.3K

R842

6.8K

C811

104Z

R801

C805

0.1F

C806

330/6.3

R854

220

R853 47K

R892 0

R893 0

R894

R891

D817

1SS352

Q814

RN2402

R859 1K

R858 1K

R857 1K

R868 10K

R867 10K

Q803

R885

R834

2.7K

R832

3.3K

R875

390

R876

470

R877

820

R878

R873 10K

Q813

RN1404

P801

R837

JL781A

R871

10K

Q816

2SC2712-GR

S801

10 7

P803B

D805

R806

150

R807

150

R808

150

R809

150

R810

150

R811

150

R812

150

D804

1SS352

R822 47

R823 47

R824 47

R825 220

R826 220

R828 1K

R829 1K

R830 1K

R831 33K

R821 220

R827 47

C809

104Z

C810 104Z

R833 33K

R835

2.7K

R81810K

R8191K

R8201K

R81710K

R8161K

R8151K

C808

104Z

R870 1K

R869 1K

R865 220

R886 0

R866 220

R864 1K

R855

10K

D818

UDZS5.6B

R856 220K

X801

4MHz

R805

R881

120(1/2W)

D821

1SR154-400

C802 104Z

C801

100/16

D802

1SS352

D801

1SS352

D803

1SS352

C807

330/6.3

C804

100/6.3

C803

10/16

C819 101

P802B

R887

Q821

RN2402

Q822

RN1407

R813

150

R814

150

D814

Q811

RN1402

D813

Q812

RN1402

D815

P212B

C784

223

C782

223

R782

470K

C783

223

C781

223

JL781B

R783

P782B

P782A

D781

P803A

JL901A

P802A

D806

D808

D807

D809

D810

D811

Q809

RN1402

D812

S802 12

10 16

JL210A

R840

C817

100/6.3

R862 10K

R863 10K

R861 220

R860 220

R802

220K

R803

220K

R884

R883

10K

S804

L801

NCH-1479

Q802

S-812C56AUA-C3K

D823

UDZS5.1B

D822

UDZS5.1B

Q801

MPC780023AGC-176-8BC-A

17 P36

18 P20/SI30

19 P21/SO30

20 P21/SCK30

21 P23/RXD0

22 P24/TXD0

23 P25/ASCK0

24 VDD1

25 AVSS

26 P17/ANI7

27 P16/ANI6

28 P15/ANI5

29 P14/ANI4

30 P13/ANI3

31 P12/ANI2

32 P11/ANI1

33 P10/ANI0

34 AVREF

35 AVDD

36 RESET

37 XT2

38 XT1

39 IC

40 X2

41 X1

42 VSS1

43 P00/INTP0

44 P01/INTP1

45 P02/INTP2

46 P03/INTP3/ADTRG

47 P70/TI00/TO0

48 P71/TI01

P72/TI50/TO50

P73/TI51/TO51

P74/PCL

P75/BUZ

P64/RD

P65/WR

P66/WAIT

P67/ASTB

P40/AD0

P41/AD1

P42/AD2

P43/AD3

P44/AD4

P45/AD5

P46/AD6

P47/AD7

P50/A8

P51/A9

P52/A10

P53/A11

P54/A12

P55/A13

P56/A14

P57/A15

VSS0

VDD0

P30

P31

P32

P33

P34

P35

Q815 TA7291S

1IN2

2VCC

3OUT2

4NC

5GND

6VS

7OUT1

8VREF

9IN1

R872

150

R781

N16RGL20KB25M

9 2

38 M

U05

MICROPROCESSOR PC BOARD

VOLUME

U12

SPEAKER SELECTOR

PC BOARD

U07 VOLUME PC BOARD

U08

VOLUME LED PC BOARD

SPEAKERS

A+B B A

U13

STANDBY LED PC BOARD

D806 - 815 : SEL2E10C-F

To NAAF-8708(2/2)

(SD-2 : D4)

To NAAF-8708(2/2)

(SD-2 : E3)

To NAPS-8714

(SD-5 : B3)

MICROPROCESSOR

BCDE

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

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