Marantz SC-7-S-1 Service Manual

Service

input

selector

power

stereo

control

amplifier

sc

7s1

volume

SC-7S1

SC7S1 /F1N/N1G/U1G

Manual

SECTION PAGE

1. TECHNICAL SPECIFICATIONS........................................................................... 1

2. BLOCK DIAGRAM ................................................................................................ 3

3. SCHEMATIC DIAGRAM ....................................................................................... 5

4. PARTS LOCATION............................................................................................. 13

5. IC DATA .............................................................................................................. 19

6. EXPLODED VIEW AND PARTS LIST ................................................................ 23

7. SERVICE MODE ................................................................................................ 26

8. BUS SPECIFICATIONS...................................................................................... 30

9. ELECTRICAL PARTS LIST ................................................................................ 38

BALANCED

/

CD

SACD

LINE 1

LINE 2

TAPE

input

selector

TABLE OF CONTENTS

stereo

Stereo Control Amplifier

-

control

amplifier

sc

7s1

SYNC B

A

ATT

power

DISPLAY

volume

SC-7S1

Please use this service manual with referring to the user guide ( D.F.U. ) without fail.

SC-7S1

Part no 340J855020
First Issue 2003.09

ecm

MARANTZ DESIGN AND SERVICE

Using superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.
Only original

MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which

it is famous.
Parts for your

MARANTZ equipment are generally availab le to our National Marantz Subsidiary or Agent.

ORDERING PARTS :

Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.
The following information must be supplied to eliminate delays in processing your order :

1. Complete address

2. Complete part numbers and quantities required

3. Description of parts

4. Model number for which part is required

5. Way of shipment

6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.

USA

MARANTZ AMERICA, INC

1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143
USA
PHONE : 630 - 741 - 0300
FAX : 630 - 741 - 0301

AMERICAS

SUPERSCOPE TECHNOLOGIES, INC.

MARANTZ PROFESSIONAL PRODUCTS
2640 WHITE OAK CIRCLE, SUITE A
AURORA, ILLINOIS 60504 USA
PHONE : 630 - 820 - 4800
FAX : 630 - 820 - 8103

AUSTRALIA

QualiFi Pty Ltd,

24 LIONEL ROAD,
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - (0)3 - 9543 - 1522
FAX : +61 - (0)3 - 9543 - 3677

NEW ZEALAND

WILDASH AUDIO SYSTEMS NZ

14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : +64 - 9 - 8451958
FAX : +64 - 9 - 8463554

EUROPE / TRADING

MARANTZ EUROPE B.V.

P. O. BOX 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2507844
FAX : +31 - 40 - 2507860

AUSTRALIA

TECHNICAL AUDIO GROUP PTY, LTD

43-53 Bridge Rd.,
STANMORE NSW 2048
AUSTRALIA
PHONE : +61 - (0)2 - 9519 - 0900
FAX : +61 - (0)2 - 9519 - 0600

THAILAND

MRZ STANDARD CO., LTD

746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX : +66 - 2 - 224 6795

TAIWAN

PAI- YUING CO., LTD.

6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 - 2 - 25221304
FAX : +886 - 2 - 25630415

CANADA

LENBROOK INDUSTRIES LIMITED

633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX : 905 - 831 - 6936

HONG KONG

Jolly ProAudio Broadcast Engineering Ltd.

UNIT 2, 10F, WAH HUNG CENTRE,
41 HUNG TO ROAD, KWUN TONG, KLN.,
HONG KONG
PHONE : 852 - 21913660
FAX : 852 - 21913990

SINGAPORE

WO KEE HONG DISTRIBUTION PTE LTD

130 JOO SENG ROAD
#03-02 OLIVINE BUILDING
SINGAPORE 368357
PHONE : [phone]
FAX : [phone]

MALAYSIA

WO KEE HONG ELECTRONICS SDN. BHD.

2ND FLOOR BANGUNAN INFINITE CENTRE
LOT 1, JALAN 13/6, 46200 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 - 3 - 7954 8088
FAX : +60 - 3 - 7954 7088

JAPAN

MARANTZ JAPAN, INC.

35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : [phone]
FAX : [phone]

Technical

KOREA

MK ENTERPRISES LTD.

ROOM 604/605, ELECTRO-OFFICETEL, 16-58,
3GA, HANGANG-RO, YONGSAN-KU, SEOUL
KOREA
PHONE : +822 - 3232 - 155
FAX : +822 - 3232 - 154

SHOCK, FIRE HAZARD SERVICE TEST :

CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC

cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or F ront Panel of product and
controls and chassis bottom.
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC po w er is applied, and
verified before it is return to the user/customer.
Ref. UL Standard No. 1492.

In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.

030307MIT

1. TECHNICAL SPECIFICA TIONS

Audio Characteristics

Rated Output (20Hz - 20kHz) ........................................................................................................................ 1.7V (Balanced)

....................................................................................................................................1.7V (Unbalanced)

Maximum Output (20Hz - 20kHz)................................................................................................................. 13.5V (Balanced)

..................................................................................................................................13.5V (Unbalanced)

Total Harmonic Distortion (20Hz - 20kHz) .............................................................................................. 0.0015% (Balanced)

............................................................................................................................... 0.003% (Unbalanced)

Frequency Response (+0/-3dB)......................................................................................................3 Hz - 150 kHz(Balanced)

................................................................................................................... 3 Hz - 150 kHz(Unbalanced)

Input Sensitivity / Input Impedance ................................................................................................. 420mV / 20kΩ(Balanced)

..................................................................................................................... 420mV / 20kΩ(Unbalanced)

Output Impedance .........................................................................................................................................220Ω(Balanced)

................................................................................................................................... 220Ω(Unbalanced)

Signal-to-Noise Ratio (IHF-A Network) ........................................................................................................ 103dB(Balanced)

..................................................................................................................................105dB(Unbalanced)

Channel Separation (20kHz)...................................................................................................................... ≥100dB(Balanced)

................................................................................................................................≥100dB(Unbalanced)

Volume Adjustment Range..............................................................................................................-∞,-100 - 0dB(0.5dB step)

Trim Level Adjustment Range ......................................................................................................................±6dB(0.5dB step)

Attenuator Levels ....................................................................................................................................... -20, -40, -60, -∞dB

Power Supply

Power Requirement [/F] ............................................................................................................................. AC 100V 50/60Hz

[/N] .................................................................................................................................. AC 230V 50Hz

[/U] .................................................................................................................................. AC 120V 60Hz

Power Consumption [/F]...................................................................................................................................................18 W

[/N]...................................................................................................................................................22 W

[/U].................................................................................................................................................. 0.2 A

General

Maximum Dimensions............................................................................................................ 459(W) x 136(H) x 441 (D) mm

Weight .............................................................................................................................................................................. 21kg

1

Caution

The layout of this amplifier is well concerned for sound quality.

1. When screws and washers are removed, those parts must be set to the same places.

2. When wires are removed, the wires must be installed in the same roots, same places.

3. Do not hold the side panels (001D, 002D) and the bracket (914G) to move the unit when the unit is disassembled.

2

2. BLOCK DIAGRAM

BALANCED

Ach INPUT

SACD/CD

LINE-1

LINE-2

TAPE

12

3

+

-

+

-

+

-

+

-

+

-

VOL

VOL

NFB

NFB

I/V

I/V

12

BALANCED

3

Ach PRE OUT

UNBALANCED-1

UNBALANCED-2

REC OUT

+

-

±12V

+5V

+5V

±22V

AMP

RELAY

VOL.

µP

INPUT

SELECTOR

VOLUME

ATT SW.

DISPLAY SW.

IR

ID SW.

MODE SW.

µP

MUTE

DRIVER

RELAY

DRIVER

DISPLAY

DRIVER

BUS

CONTROL

LED DISPLAY

IN

OUT

3 4

3. SCHEMATIC DIAGRAM

BALANCED

B

A

2

CD

LINE_1

LINE_2

TAPE

P101 1/2

1

-TAPE

BAL

MUTE

-12

RC36

+22V

22

CC36CC38

1000/25V1000/25V1000/25V

RC38

-22V

22

RC35

+22V

22

CC35

1000/25V

CC37

RC37

-22V

22

A_GNDB_GND

B_-

B_+

RC21

BI

22

DC21

-12

A_-

A_+

-TAPE

BAL

MUTE

-12

B_+22

22/25V

2.26K

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

22/25V

2.26K 2.26K 2.26K 2.26K 2.26K 2.26K

22/25V

B_+22

LC04

B_GND

LC03

A_GND

LC06

B_GND

LC05

A_GND

LC08

B_GND

LC07LC09

A_GND

LC10

B_GND

A_GND

8

8

8

8

8

8

8

8

R448

(JUMPER)

435

910

R446

(JUMPER)

R447

(JUMPER)

435

910

R445

(JUMPER)

R464

(JUMPER)

435

910

R462

(JUMPER)

R463

(JUMPER)

435

910

R461

(JUMPER)

R480

(JUMPER)

435

910

R478

(JUMPER)

R479

(JUMPER)

435

910

R477

(JUMPER)

R496

(JUMPER)

435

910

R494

(JUMPER)

(JUMPER)

435

910

R493

(JUMPER)

1

+

-

DC04

1SS176

12

1

RC03

+

22

-

DC03

1SS176

12

1

+

-

DC06

1SS176

12

RC05

1

22

+

-

DC05

1SS176

12

1

+

-

DC08

1SS1761SS176

12

RC07

1

22

+

DC07

-

1SS176

12

1

+

-

DC10

12

DC20 DC19 DC18 DC17

11EQS10 11EQS10 11EQS10 11EQS10

RC09

1

22

+

-

DC09

1SS176

12

C420

R444

100K

C418

R442

100K

B_-22

A_+22

C419

100K

R443

C417

R441

100K

A_-22

B_+22

C428

R460

C426

R458

100K

B_-22

A_+22

C427

R459

100K 100K

C425

R457

100K

A_-22

B_+22

C436

R476

100K

C434

R474

100K100K

B_-22

A_+22

C435

R475

100K

C433

100K

R473

A_-22

B_+22

C444

R492

100K

C442

100K

R490

B_-22

A_+22

C443

R491

100K

C441

R489

A_-22

B_-

-12ST
B_+

A_-

CD

-12
A_+

B_-

-12ST
B_+

A_-

L_1

-12
A_+

B_-

-12ST
B_+

A_-

L_2

-12
A_+

B_-

-12ST
B_+

A_-

TAPE

-12
A_+

B_-

B_+

A_-

A_+

LC21

A_+22

A_-22

8

B_-22

B_GND A_GND

435

+

-

91012

RC34

22

Q412

1

2SC2240

R412

15.4k

2

Q404

3

2SA970

2

3

1

1

3

R416

15.4K

R414

15.4K

3

1

1

3

R410

15.4K

R411

15.4K

3

1

1

3

R415

15.4K

R413

15.4K

3

1

1

3

R409

15.4K

BI

TAPE

MUTE

22

RC18

11.6(TAPE)

ON :-11.7 / OFF:+11.6

S.T.:-11.7 / BI.:+11.5

TAPE

MUTEBI-12

22.622.6

C412

R420R424

22/25V

3

R428

1SS176

JC03

W018

100K

Q416

2SA970

1

1

Q414

2SA970

3

R426

100K

C410

22/25V

22.6 22.6

R418 R422

3

Q410

2SC2240

1

1

Q411

2SC2240

3

22.6

C411

R419

22/25V

22.6

R423

3

R427

100K

Q415

2SA970

1

1

Q413

2SA970

3

R425

100K

22.6

R421

C409
22/25V

22.6

R417

3

Q409

2SC2240

1

0.1

CC11

DC15

RC13

RC11

15K

22K

RC12

RC15

2

2

2

2

2

2

2

-12

-11.7

8

8

C404

C402

C403

C401

-TAPE

TAPE:-11.6

OTHER:+11.0

C464

10/35V

R404

226K

(N.C)

R402

226K

(N.C)

C462

10/35V

C463

10/35V

(N.C)

R403

226K

R401

226K

(N.C)

C461

10/35V

DC11

DC12

DC13

DC14

R408

226

220P

C408

R500R498R499R497

22.6K22.6K22.6K22.6K

220P

C406

R406

226

R407

226

220P

C407

220P

C405

R405

226

CD

L_1

BAL

1D3

1D3

1D3

1D3

11.6(BALANCED)

11.6(SACD/CD)

11.6(LINE1)

BALCDL_1
1234567

1234567

2

Q408

2SC2240

Q406

2SC2240

2

2

Q402

2SA970

Q403

2SA970

2

2

Q407

2SC2240

Q405

2SC2240

2

2

Q401

2SA970

L_2

11.6(LINE2)

L_2

BAL_BIN_-

J004

1

2

3

J003

1

3

J006

B

A

J008

B

A

J010

B

A

J012

B

A

J402

W008

1
2
3

W007

1
2
3

1

1

2

2
3

2

4

1

J005

EARTH

W010

1

1

2

2
3

2

4

1

J007

W011

1

1

2

2
3

2

4

1

J009

W012

1

1

2

2
3

2

4

1

J011

BAL_BIN_-

1
2

BAL_BIN_+

3

0.1

C452

J401

BAL_AIN_-

1
2

BAL_AIN_+

3

0.1

C451

J403W009

CD_B_IN

1
2
3

CD_A_IN

4

0.1

0.10.1

C453

C454

1

2

0.1

J405

C456

C455

LINE1_B_IN

1
2
3

LINE1_A_IN

4

0.1

0.1

J407

C458

C457

LINE2_B_IN

1
2
3

LINE2_A_IN

4

0.1

0.1

J409

C459

C460

TAPE_B_IN

1
2
3

TAPE_A_IN

4

A_GND

A_GND

A_GND

A_GND

A_GND

B_GND

BAL_BIN_+

BAL_AIN_-

B_GND

BAL_AIN_+

B_GND

B_GND

B_GND

-22V

R432

(JUMPER)

1

435

91012

R430

(JUMPER)

+22V

-22V

(JUMPER)

435

91012

(JUMPER)

+22V

LC11

GND

+

-

DC16

R431

1

+

DC01

-

R429

LC02

CC34

220/25V

8

B_GND

CC32

220/25V

RC32

22

RC33

22

LC01

CC33

8

A_GND

CC31

220/25V 220/25V

RC31

22

-12ST

10K

3

2

QC11

2SA1048

1

4.7K

RC14

22K

123

S.T.:-11.7
BI.:+11.5

QC12

2SC2458

DC02

11EQS10

RC01

1SS176

B_-

1SS176

-12ST

B_+

22

BAL

-12

CD_B_IN

CD_A_IN

LINE1_B_IN

A_-

LINE1_A_IN

A_+

LINE2_B_IN

LINE2_A_IN

TAPE_B_IN

TAPE_A_IN

R436

R434

C414

(N.C)

R435

C413

R433

(N.C)

R452

C422

R450

(N.C)

R451

C421

R449

(N.C)

R468

C430

(N.C)

R467
226

C429

R465R481 R466

(N.C)

R484

C438

R482

(N.C)

R483

226

C437

(N.C)

8

5

226

OPA2604AP

6

Q418

2/2

220p

22.6K

C416

8

5

226

OPA2604AP

6

Q417

2/2

220p

22.6K

C415

8

5

226

OPA2604AP

6

Q420

2/2

C424

220p

22.6K

8

5

226

OPA2604AP

6

Q419

22.6K

226

22.6K22.6K 22.6K

226

22.6K

2/2

C423

220p

8

5

OPA2604AP

6

Q422

2/2

220p

C432

8

5

OPA2604AP

6

Q421

2/2

C431

220p

8

5

OPA2604AP

6

Q424

2/2

220p

C440

8

5

OPA2604AP

6

Q423

2/2

220p

C439

R440

2.26K

2

R438

7

2.26K

R437

7

2.26K

R454

7

2.26K

R453

7

2.26K

R470

7

2.26K

R469

7

2.26K

R486

7

2.26K

R485 R495

7

2.26K

OPA2604AP

3

Q418

1/2

2

OPA2604AP

3

Q417

1/2

2

OPA2604AP

3

Q420

1/2

2

OPA2604AP

3

Q419

1/2

2

OPA2604AP

3

Q422

1/2

2

OPA2604AP

3

Q421

1/2

2

OPA2604AP

3

Q424

1/2

2

OPA2604AP

3

Q423

1/2

1

4

RC74

R439

2.26K

1

4

RC73

2.26K

R456

2.26K

1

4

R455

2.26K

1

4

R472

2.26K

1

4

R471

2.26K

1

4

R488

2.26K

1

4

R487

2.26K

1

4

RC79 RC80 RC77 RC78 RC75 RC76

FROM J201

5 6

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

3

4

2

1

5

6

QH05

QH06

DH01

RH03

RH04

QH03

QH01

QH02

QH04

RH01

RH02

DH03

DH04

DH02

JH02

JH02

RH05

JH02

JH02

JH02

JH02

22

22

470

470

-

+

68K

+B

+OUT

-OUT

-B

2SC2240

2SA970

1SS176

2SA970

2SA970

2SC2240

2SC2240

1SS176

1SS176

1SS176

HDAM-SA

12345

W005

FROM J805

1
2

W019

3
4
5
6

W018

FROM J205

EARTH

J501

12345

1
2

CCLK

3

DATA

4

MUTEB

5

DGND

6
J502

P101 2/2

-22V
+22V

A_G

L504

D_G
+5V

L503

CSB-A

CSB-B

L505

(N.C)

GND

GND

-22V
+22V

GND

4.7K

R551

1000P

C554

B_-

B_+

A_-

A_+

-TAPE

BAL

MUTE

-12

4.7K

4.7K

4.7K

R548

R549

R550

1000P

1000P

1000P

C552

C551

C553

-TAPE

BAL

MUTE

-12

4.7K

R547

0.01

C533

B_+

B_-

B_-

B_+

A_-

A_+

A_+

A_-

A_+

B_+

A_-

B_-

LC51LC52

8

8

435

91012

GND

435

91012

R544

(JUMPER)

R542

R543

(JUMPER)

R541

Q512

681

332

R520

R512

2SA1349

5

3

2

6

7

1

3

Q520

2SA970

2

Q504

C550

22/25V

43

HDAM-SA

6

100K

R536

C524

(N.C)

C546

47

47

-12

BAL

-TAPE

22

22

RC16

RC17

1

+

DC51DC52

-

1SS176

1

+

-

1SS176

C526

Q530

220/25V

WM8816

C525

Q529

220/25V

WM8816

87654321

LIN

LFO

CSB

LGND

DVDD

RFO

RIN

RGND

DGND

CCLK

DATA MUTEB

C522

(N.C)

GND

C523

(N.C)

87654321

LIN

LFO

CSB

LGND

DVDD

RFO

RIN

RGND

DGND

CCLK

DATA MUTEB

C521

(N.C)

GND

22/25V

C528

LMO

220/25v

AVDD

RMO

161514131211109

LMO

RMO

161514131211109

C544
22/25V

2

Q502 Q526

100K

R534

C548

22/25V

43

HDAM-SA HDAM-SA

6

2

Q503

C549

22/25V

43

6

100K

R535

C545

22/25V

C527

220/25v

AVDD AGND

AGND

C543
22/25V

Q501 Q505

2

100K

R533

C547

22/25V

43

HDAM-SA HDAM-SA

6

B_-

B_+

A_+

A_-

Q508

2

1

R508

100

34

HDAM-SA HDAM-SA

5

6

R504

1.21K

R502

1.21K

2

Q506

1

R506

100

34

HDAM-SA

5

6

Q507

2

1

R507

100

34

HDAM-SAHDAM-SA

5

6

R503

1.21K

R501

1.21K

2

1

R505

100

34

5

6

RC56
10k

6

OPA2604

RC52
10k

5

10k

RC54

10k

RC53

RC51
10k

3

OPA2604

RC55
10k

2

2

D512

D504

HSS81

1

HSS81

5

D516
HSS81

D508

HSS81

2

Q524

2SC2240

1

7

6

5

Q516

2SC3381

R516

R592

46.4

C542

22/25V

C540

R590

22/25V

46.4

Q510

681

R510

2SA1349

3

2

1

7

Q518

2SA970

2

D510

D502

HSS81

1

HSS81

5

D514
HSS81

D506

HSS81

2

Q522

2SC2240

3

Q514

2SA1349

681 681

R514

Q511

2SA1349

5

67

1

Q519

2SA970

2

D511

D503

HSS81

1

HSS81

5

D515
HSS81

D507

HSS81

2

Q523

2SC2240

5

Q515

2SC3381

R515

R591

46.4

C541

22/25V

C539

22/25V

R589

46.4

Q509

681 681

R509 R511

2SA1349

3

21

7

Q517

2SA970

2

D509

D501

HSS81

1

HSS81
D513

5

HSS81

D505

HSS81

2

Q521

2SC2240

3

Q513

2SC3381

681 681

R513

RC58

10k

8

CC51

7

22/25v

RC60

2/2

QC51

100K

RC59
100K

1/2

QC51

CC52

1

22/25v

4

RC57

10k

Q528

2

1

1

4

3
5

1

6

100p

C508

3

2

100100

R596R594

3

332

R524

332

R518

5

6
3

100p

C506

2

1

1

4

3
5

1

6

3
67521

332

R522

3

2
3

2

Q527

1

1

4

3

HDAM-SA

5

1

6

100p

C507

3
21367

R523 R519

332

R517

5

100 100

R593 R595

6
3

100p

C505

2

Q525

1

1

4

3

HDAM-SA

5

1

6

3
67521

332 332 332

R521

RC63

22

RC62

226

CC55

220/25v

LC53

8

CC56

220/25v

RC61

226

RC64

22

R584

22.6

R588

22.6

R582

22.6

R586

22.6

R583

22.6

R587

22.6

R581

22.6

R585

22.6

+22V

435

91012

-22V

Q544

R576

2SC2240

1

15.4K

2

Q536

3

2SA970

3

2

1

1

2

Q540

3

2SC2240

3

2

R580

Q548

15.4K

1

2SA970

Q542

R574

2SC2240

1

15.4K

2

Q534

3

2SA970

3

2

1

1

2
Q538

3

2SC2240

3

2

R578

Q546

15.4K

1

2SA970

Q543
2SC2240

R575

1

15.4K

2

Q535

3

2SA970

3

2

1

1

2

Q539

3

2SC2240

3

2

R579

Q547

15.4K

1

2SA970

Q541

2SC2240

R573

1

15.4K

2

Q533

3

2SA970

3

2

1

1

2
Q537

3

2SC2240

3

2

R577

Q545

15.4K

1

2SA970

-12

MUTE

1

+

DC53

-

1SS176

C538

0.1

Q532

2

1/2

R572

1

100

OPA2604

4

3

5

8

R570

100

OPA2604

7

6

Q532

2/2

C536

0.1

C537

0.1

Q531

2

1/2

R571

1

100

OPA2604

4

3

5

8

R569

100

OPA2604

7

Q531

6

2/2

C535

0.1

22/25V

C512

3.3M

R564

3.3M

R568

R538

(JUMPER)

C514

470/25v

C516

470/25V

R540

(JUMPER)

3.3M

R566

3.3M

R562

22/25V

C510

22/25V

C511

3.3M

R567

R537

(JUMPER)

C513

470/25v

C515

470/25V

R539

(JUMPER)

3.3M 3.3M

R565 R563

3.3M

R561

22/25V
C509

R532

226

R528
100k

+22V

-22V

R526
100k

R527
100k

+22V

-22V

R525
100k

L502

8

43 5

91012

+

-

1

MUTE

D518

1SS176

R530

226

R531

226

L501

8

91012

-

D517

R529

226

-12

435

+

1

MUTE

-12

J506

C520

(N.C.)

J508

(N.C.)

C518

C530

C529

C519

(N.C.)

J505

C517

(N.C.)

J507

CC57

0.1

CC54CC53

(N.C.) (N.C.)

JC51 W013

J016

W015

3
2
1

W017

4
3
2
1

0.1

EARTH

0.1

3
2
1

W014

4
3
2
1

W016

EARTH

4
3
2
1

21

BALANCED

3

3
2
1

J018

1

2

4
3
2

2

1

1

J020

J015

3
2
1

J017

1

2

4
3
2

2

1

1

J019

J014

1

4

2
3
2

2
1

1

J013

PREOUT 1

PREOUT 2

21

3

PREOUT 1

PREOUT 2

B

REC OUT

A

OUT

BALANCED

OUT

B

A

7 8

L002

1

3

TO J501

2

4

W005

54321

AC

W001

GND

PS91

PF01

J801

36V

1

0V

2

36V

3

J001

12

D801

21DQ10

-32.8 +32.8

R801

(JUMPER)

D805

21DQ10

(JUMPER)

P851

POWER SW

S891

12

C891

0.01

21

J891

21

W003

21

J872

12

J874
2A, 125V [/F/U]
T500mA, 250V [/N]

J871

21

12

W002

12

1

FUSE

21DQ10

R802

F871

G801

D806

R826

2

J875

12

D803

21DQ10

1

D807

21DQ10

J873

21

1/6w

0.47 6.8

1

2

D804D802
21DQ1021DQ10

D808

21DQ10

R828

1 1/4w

R827

1 1/4w

L001

12 3 4

C801C802

10000/50V10000/50V

10

9
8
7
6
5
4
3

J802

+30V

0V

-30V

1
2
3

5
4
3
2
1

W801

36V

0V

36V

12V

0V

15V

0V

15V

1
2
3

J803

54321

J805

+5V

A_G

D_G

C820

1000/10v

+5.0

+5.0

-22V

+22V

C819

1000/10v

U812

(N.C)

+5VD

+5VM

M_G

+12V

-12V
ON

J807

TO J204

W006

1

1

2

2

3

3

4

4

5

5

6

6

Q801

1
G

+25.4

1
G

-24.9
R806

100

1
G

+7.9

1
G

1
G

+13.5

1
G

-19.6

-19.9

+32.0

R805

R824

+6.5

R819

+19.6

R811

R812

D

S

100

D

S

-32.0
+13.2

D

S

100

+20.2

D

S

100

D

S

100

D

S

100

2

3

2

3

2

3

2

3

2

3

2

3

2SD1415

2

2SD1415

2

R835 R834 R831R832R833

2SB1020

3

-24.0

2SB1020

3

3

3

Q805

3

100 100 100100100

3

Q806

+24.0

D809

HZ24-1L

HZ24-1L

Q802

+7.5

D839

7.5V

+6.2

D829

6.2V

+13.0

D819
13V

D820
13V

-13.0

R836

12

+23.0

D810

12

-23.0
12

+6.3

Q811

2SD1415

+5.1

1

Q809

2SD1415

1

+11.9

100

12

-11.9

R808

2.2

R807

2.2

R825

3.3

R820

3.3

R813

3.3

R814

3.3

C805

C806

C818

470/25v

470/25v

470/25V

C815C812

100/25V2200/25v

C811

220/25v

D840
1D3

D841

1D3

P801

Q803

2SK246

GND

J804

1

1

U811

+30V

2

2

0V

3

3

J806
5

4
3
2
1

-30V

12V

15V

15V

(N.C)

U801

(N.C)

L804

0V

0V

R815

1 1/4W

G803

0.47 6.8

R816

1 1/4W

L806

L803

(N.C)

L805

D832

D831

21DQ10 21DQ10

D836

D835

21DQ10 21DQ10

R822

1 1/4w

D823

11EQS10

D821

11EQS10

D811

D812

11EQS10

11EQS10

D815

D816

11EQS10

11EQS10

G802

11EQS10

11EQS10

D813

11EQS10

11EQS10

D828D827

11EQS1011EQS10

21DQ10

21DQ10

D824

D822

D817

D833

D837

21DQ10

0.47 6.8

D838

21DQ10

D814

11EQS10

D818

11EQS10

D834

C816

C813

C807

C808

6800/16v

470/25v

U803

470/25V

470/25V

+20.0

470/25v

Q804

2SK246

2SK246

2SK246

(N.C)

2SK246

220/25v

220/25v

2SK246

C803

470/25v

C804

Q812

C817

470/25V

Q810

C814

100/25V

Q807

C809

C810

Q808

W004

1
2
3

C821

D825 D826

11EQS10

11EQS10

1/50v

9 10

S251

P251

P261

R251

10k

R253

10k

BA

12

3
C

INPUT SELECTOR

35

21468

S261

R252

10k

R254

10k

VOLUME

7

PU01

10k

TO JC03

J201

L301

1

1

BAL

L302

2

2

CD

L303

3

3

L-1

L304

4

4

L-2

L305

5

5

TAPE

L306

6

6

MUTE

L307

7

7

W018

BI

L308

8

8

-B

J202

W022

J251

1
2
3
4

J262

1
2
3

0.01

0.01

C262

C261

TO J502

FROM J807

1

1

1

2

2

2

3

3

3

4

4

4

W021

J203

1

1

1

2

2

2

3

3

3

J204

L220

1

+5VD

1

L201

2

+5VM

2

L202

3

M_G

3

W019

L203

4

+12V

4

L204

5

-12V

5

L205

6

ON

6

J207
J205

1

1

CSA

2

2

CSB

3

3

R355

100

CLK

W006

4

4

R356

100

DATA

5

5

MUTE

6

R358

6

G

(JUMPER)

Q224

DTC114ES

1

2

3

1

3

1

3

Q206

DTC114ES

Q223

DTC114ES

2

DTC114ES

1

3

123

C251

0.01

Q222

2

Q208

2SA1048

CBE

R221

Q209

2SA1048 2SA1048 2SA1048
1231
CBEC

R223

R222

22k

4.7K

Q207

DTC114ES

1

2

3

C252

0.01

C213

470/10v

R208
100k

2

2SA1048 2SA1048
1231
CBEC

22k

R224

4.7K

R225

Q210

DTC114ES DTC114ES DTC114ES

1

2

3

8

1

VCC

A0

7

2

WP

A1

6

3

SDL

A2

5

4

SDA

GND

Q202

AT24C04

R245

Q221

1

C

2SC2458

2
B

3

0.1

10k

E

R207

C207

C265
C266
C267
C268
C269

L261

Q213

Q211 Q215

22k

R226

B

2

4.7K

4.7K

R227

Q212 Q216

DTC114ES DTC114ES

1

3

22k

0.01

0.01

0.01

0.01

0.01

121110987654321

W020

Q214 Q218

1

2

3

C208

0.1

R204 R233

4.7k

R205

4.7k

R206

22k

Q205

C

1

2SC2458

2
B

4.7k

E

3

R246

RXD

100

G

R261

5V

BI

-12V

+12V

31

3

EC

E

22k

22k

R230

R228

2

B

4.7K

R229

1

2

2

3

10k

10k

R202

R203

17
18
19

SEL.A

20

SEL.B

21

MUTE1

22

MUTE2

23

MUTEB

22k

24
25

R234

22k

26

SDA

27

SCL

28

VOL_CSA

29

VOL_CSB

30

POWER_OFF

31

0.1

C206

33

R210
10k

Q219

2SA1048

3

10k

R241

2

1

10k

R243

R242

10k

R244

10k

M

ID

ST

C264

0.01

ICE4

TXD

100

R262

C263

0.01

C262

0.01

C261

0.01

J206

123456789101112

PS01

ID:2

R275

22

C271

10/25v

ID:4

ID:3

R288 R290

R289R287R286

4.7k 10k4.7k4.7k4.7k

ID 1 :5V
ID 2 TO 6 :0V

0.1
C272

C276

0.1

Q278

STEREOBI-AMP

PS71

S273

-2

S273

-1

ID:1

TXD

RXD5VG

J274

4321

WRITE WRITE

-1
213

S271

OPERATE

J278

W025

1

1

1

1

2

3
2

3
4

4

5

5
6

1

2

2

2

3

3

3

4

4

5

5

1
2

W020

3
4
5
6
7
8

9
10
11

12

0.1

C274

4
5

J277

J271

1

M

2

ICE4
3
4

ST
5

ID
6

TXD
7

RXD
8

5V
9

G

10

+12V

11

-12V

12

BI

R272 R273

4.7k 4.7k

546

OPARATE

2

(N.C)

C277

-2

S271

3

Q272

2SA1048

1

R271
100

4.7K

R274

R332

Q217

R231

ID:5

R295

1

2SC2458

3

3
E

B

2

4.7K

1

3

VOLB

VOLA

ICE4

R240

R211

2

ICE4

ID SW

9

10

10k

Q279

2SA1048

R293

10k

R294

10k

C309

D310

10/25V

22k

R232

BALANCE CD LINE1 LINE2 TAPE

560

R331

2

C204

X201

30p

8M

C205

30p

RES

GND

TEST

OSC2

OSC1

Q201

HD64F3664F

ICE1

MASTER_H

VOL_DAT

VOL_CLK

10k

10k

R214

R213

Q220

2SC2458

M

-1

-2

7

S274

S274

13

15

12

G

ID

RT

5V

123 4 56

123456

5VGIDRTSL

12345

ID1 :5.1V
ID2 :4.3V
ID3 :3.4V
ID4 :2.6V
ID5 :1.8V
ID6 :0V

2.2K

R292

2

R276

2.2K

41

5.1

32

Q273

PC817

VC1

ICE3

ICE2

10k

R215

1

ID:1

6

SL

MA

MA

6

J275

R277

VCC

RC5

22k

22k

1

3

8

11

ID:6

3

1

2

10k

10k

R336

R334

C310

C311

10/25V

10/25V

D312

D311

560

560

R335

R333

22k

Q203
S-806

R201

2

3

C-X

C201

1

0.1

0.1

C203

C202

1

2345678910111213141516

X2

X1

AVCC

64
63
62

IDSW

61

ATT

60

STEREO

59

DISPLAY

58
57
56
55
54

DISP_STB

53

DISP_DAT

52

DISP_CLK

51

DISP_CLR

50
4932

TXD

RXD

CLEAR

48

4746454443424140393837363534

10k

22k

R217

R216

ST

RXD

TXD

2

3
4

5

J276

W024

560

C279
(N.C)

0.0

0.00.0

ID

R212

22

11.5 11.2

R284

22k

2

Q275

DTC114ES

22

R278

11.3
1

D275

1

C278

(N.C)

10k

R338

D313

0.1

0.1

C211

C210

Q274

2SA1048

L271

+

-

L272

+

-

C312

10/25V

D314

560

R337

R218

22k

R219

22k

R220

22k

R235

22k

R236

22k

R237

22k

R238

22k

1

S201

2

DISPLAY

0.1

22/25v

C209

123

R285

22

4.7K

R283

1

3

435

91012

435

91012

10k

R340

0.1

C212

2

ATT

12345

12345

J211

IR SENSOR

PU71

-11.6

8

8

C313

10/25V

560

R339

CLK
STB
CLR

C341

470/10v

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

P6P5P4P3P2

VDD

0.1

C301

STB

DATA

CLK
CLR

C357

22k

R239

C356

C355

C354

C353

C352

C351

D305

S202

10k

R301

J211

2

IR

13

Q204

L273

1

+

-

L274

1

+

-

D273

123

Q276

2SA1048

22

R281

22k

4.7K

R280

1

R279

3

Q277

DTC114ES

0.0

11.3
1

+

D274

-

-11.4
L275

P10P9P8

P7

560

470

470

470

R303

R302

R304

R305

10/25V

10/25V

10/25V

10/25V

10/25V

10/25V

10/25V

D306

0.1

C303

POWER ATT B A SYNC

D271

435

8

91012

D272

11EQS1D

435

8

91012

11.2

4.1

2

435

8

91012

P11

100

R306

11EQS1D

R282

STB

CLR

CLK

DATA

P1

VSS

STB

CLR

CLK

DATASO

Q301

NJU3716L

P16

P15

P14

P13

P12

VSS

121110987654321

R343

220

100

R307

D307

0.1

C304

R344

330

220

R353

RED

GRN

D308

0.1

C305

131

0.1

0.1

2

D309

C306

C307

P271

0.1

C273

22k

8467

513

2

8467

513

2

C280

0.1

C281

0.1

9

C291

0.1

REMOTE

IN

J272

C282

0.1

C283

1000P

C284

0.1

C292

0.1

9

REMOTE

OUT

C285

1000P

J273

C286

0.1

C287

1000P

C288

0.1

C289

0.1

C290

0.1

0.1

C308

D317

DISPLAY

IN(J272)

1:IN-H
2:IN-C
3:RETURN-H
4:RETURN-C
5:MASTER-G
6:MASTER-G
7:+12V
8:-12V

OUT(J273)

1:OUT-H
2:OUT-C
3:RETURN-H
4:RETURN-C
5:DETECT
6:MASTER-G
7:+12V
8:-12V

L276

J301

6
5
4
3
2
1

J303

5
4
3
2
1

C359

10/25V

J302

5
4
3
2
1

C358

10/25V

C316

0.1

6
5
4
3
2
1

C314

PU51

C315

PU61

W271

W023

0.1

10k

R341

D315D316

10k

0.1

R342

1
2
3
4
5
6

DISPLAY LIGHTDISPLAY LIGHT

P301

J304
1

2
3
4
5
6

12345

CLR
STB
CLK

DATA

0.01

0.01

C340

C339

0.1

C302

R323

560

1

2A

R318

560

2

2F

R317

560

3

2G

R319

560

4

2E

R320

560

5

2D

R321

560

6

2C

R322

560

7

2B

8

R327

560

9

4A

R310

560

10

4F

R309

560

11

4G

R311

560

12

4E

R324

560

13

4D

R325

560

14

4C

R326

560

15 16

4B

P11
P12
P13
P14
P15
P16
P17
VSS
P18
P19
P20
P21
P22
P23
P24 DATA

Q302

NJU3719L

30

VDD

R308
560

29

P10

28

P9

R316

560

27

P8
P7
P6
P5
P4
P3
P2

P1
CLR
STB
CLK

3A

R329

560

26

3F

R328

560

25

3G

R330

560

24

3E

R313

560

23

3D

R312

560

22

DP

R314

560

21

3C

R315

560

20

3B

19

CLR

18

STB

17

CLK

DATA

D301

678910

2A
2F
2G
2E
2D

D302

2C
2B

3A
3F
3G
3E
3D

D303

DP
3C
3B

4A
4F
4G
4E
4D

D304

4C
4B

678910

678910

6789

12345

12345

12345

10

11 12

4. PARTS LOCATION

P101

Q408
Q404

Q416
Q412

Q402
Q406

Q410
Q414

DC16
DC02

DC53

Q407
Q403

Q415
Q411

QC51

Q401
Q405

Q409
Q413

DC01

DC51

Q530

DC04

Q504Q502

Q417Q418

DC03DC17

DC21DC52

Q420 Q419 Q422 Q421 Q424 Q423

DC18 DC05
DC06

DC19 DC07
DC08

Q501 Q529 Q503

DC20 DC09
DC10

DC15
DC11

QC11

DC12
DC13

QC12

DC14

D502
D510

D506
D514

Q506

Q518
Q510

Q522
Q514

Q526

Q542
Q534
Q538
Q546

Q544
Q536
Q540
Q548

Q532

D518

Q508

Q520
Q512

Q524
Q516

Q528

D512
D504

D516
D508

13 14

Q505 Q507

Q517

D501
D509

Q509

Q541

Q521

D505
D513

Q533

Q513

Q537
Q545

Q531

Q525 Q527

D517

Q543
Q535
Q539
Q547

Q519
Q511

Q523
Q515

D511
D503

D515
D507

PU01

Q222-Q224

Q203Q221

Q205 Q202

Q201 D313 D314Q219D308D307

D305
D309

Q220

Q206-Q218 D310D311

Q301

D312

P801

D810 D809

Q804 Q803

Q802

15 16

Q801

D840 D841

D839

D829 D831-D838

Q810Q812

Q809Q811

D820 Q807Q808

D819

Q805Q806

D811-D818

D821-D828