Marantz SM-17-SA Service Manual

Service

SM17 /F1N, /N1G, /S1G

/N1B, /U1B

Manual

POWER AMPLIFIER SM-17SA

TEMP

POWER

POWER AMPLIFIER SM-17

TEMP

POWER

POWER AMPLIFIER SM-17SA

TEMP

POWER

Power amplifier

/F

/N

SM-17 / SM-17SA

/S

/U

TABLE OF CONTENTS

SECTION PAGE

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

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

3. TEST EQUIPMENT REQUIRED FOR SERVICING .................................................................................... 2

4. SCHEMATIC DIAGRAM .............................................................................................................................. 3

5. PARTS LOCATION (Pattern Side) .............................................................................................................. 5

6. EXPLODED VIEW AND PARTS LIST ......................................................................................................... 7

7. IDLING CURRENT ADJUSTMENT ........................................................................................................... 10

8. ELECTRICAL PARTS LIST ....................................................................................................................... 11

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

R

SM-17 / SM-17SA

314J855010 MIT
3120 785 22190
First Issue 1999.10

MARANTZ DESIGN AND SERVICE

MARANTZ AMERICA, INC.

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 available 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
440 MEDINAH ROAD
ROSELLE, ILLINOIS 60172
USA
PHONE : 630 - 307 - 3100
FAX : 630 - 307 - 2687

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

JAMO AUSTRALIA PTY LTD
1 EXPO COURT, P.O. BOX 350
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - 3 - 9543 - 1522
FAX : +61 - 3 - 9543 - 3677

EUROPE / TRADING

MARANTZ EUROPE B.V.
P.O.BOX 80002, BUILDING SFF2
5600 JB EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2732241
FAX : +31 - 40 - 2735578

CANADA

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

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

BRAZIL

MARANTZ BRAZIL
CAIXA POSTAL 21462
CEP 04698-970
SAO PAULO, SP, BRAZIL
PHONE : 0800 - 123123
FAX : [phone]

(Discagem Direta Gratuita)

SINGAPORE

WO KEE HONG (S) PTE LTD
WO KEE HONG CENTRE
NO.23, LORONG 8, TOA PAYOH
SINGAPORE 319257
PHONE : [phone]
FAX : [phone]

MALAYSIA

WO KEE HONG ELECTRONICS SDN. BHD.

SUITE 8.1, LEVEL 8, MENARA GENESIS,
NO. 33, JALAN SULTAN ISMAIL,
50250 KUALA LUMPUR, MALAYSIA
PHONE : +60 3 - 2457677
FAX : +60 3 - 2458180

JAPAN

Technical

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

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 Front 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 power 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.

990921MIT

1. TECHNICAL SPECIFICATIONS

Rated power output (20 Hz to 20 kHz, 2CH simultaneous drive)............................................... 60 W x 2 (8 Ω load)

80 W x 2 (6 Ω load)

100 W x 2 (4 Ω load)

(20 Hz to 20 kHz, BTL drive) ................................................................... 200 W x 1 (8 Ω load)

Total harmonic distortion (20 Hz to 20 kHz, 2CH drive, 8 Ω load) ................................................................. 0.01 %

Cross-modulation distortion (SMPTE) ............................................................................................................. 0.01 %

Output bandwidth (8 Ω load, 0.04 %). ............................................................................................... 10 Hz to 50 kHz

Frequency response (CD, SOURCE DIRECT) ................................................................. 5 Hz to 100 kHz, +0/-1 dB

Damping factor (8 Ω load, 20 Hz to 20 kHz) .......................................................................................................... 100

Input sensitivity/input impedance

MAIN IN................................................................................................................................................. 1.6 V/22 kΩ

S/N (IHF A network, input shorted) .................................................................................................................... 76 dB

Supply voltage

F version ................................................................................................................................... 100 V AC, 50/60 Hz

/N1, /S1 version ............................................................................................................................. 230 V AC, 50 Hz

/U1 version..................................................................................................................................... 120 V AC, 60 Hz

Power consumption ............................................................................................................................................. 180 W

2. BLOCK DIAGRAM

NORMAL

L

INPUT

R

BTL

BTL-OUT

L-

NORMAL

BTL

R167

R168

­+L+

­+

Q159

Q159

NORMAL

BTL

NORMAL

BTL

AT T

0dB

-6dB

S152

AT T

0dB

-6dB

S152

+

HDAM

-

+

HDAM

-

POWER AMP

V/I

POWER AMP

V/I

LCH

RCH

+

-

+

-

SPK.L

SPK.R

BTL

+

L

-

Dimensions ( Maximum )

Width ............................................................................................................................................................ 458 mm

Height ........................................................................................................................................................... 110 mm

Depth ............................................................................................................................................................ 407 mm

Weight................................................................................................................................................................. 15.5 kg

Accessories

Design and specifications are subject to change without notice.

R+

BTL-OUT

R-

3. TEST EQUIPMENT REQURED FOR SERVICING

M261

METERWARMING-UP

1 2

4. SCHEMATIC DIAGRAM

L

INPUT

R

R+

R-

BTL OUT

RCH2

L+

L-

SM17/F1N

SM17/U1B

P891/APS
WA314J104-0

W001

W031

J008

W001

P151/APB
WA314J104-0

J151

*

FOR N

C161
100P

C162
100P

C159

J157

0.1

C160

0.01

J152

C165
100p

C166
100p

J154

C163

*

100P

C164
100P

FOR N

S891

C891

0.01

J891

W022

J872

J873

P871/APS
WA314J106-0

P891/APS
WA314J106-0

C891

0.01

J008

C167

0.01

20.0

0.6

-0.6

R157
10k

R158
10k

0.6

Q155

2SC2240

BL

0

L+

R159

R167 R169

22

2.2k 2.2k

R161

22

0

Q157

2SA970

BL

-20.0

-20.0

Q158

2SA970

-0.6
0

R162

22

R160

22

0

Q156

2SC2240

20.0

20.0

0

8

-

2
3

+

Q159-1

0

OPA2064AP

Q159-2

OPA2064AP

0

BL

+

5
6

-

4

0

-20.0

R170R168

2.2k2.2k

R+

BL

C153

22/25V

R171

100

C155

22/25V

R173

0

100

C157

220/25V

220/25V

R174

100

R172

100

C158

C156

22/25V

22/25V

C154

R177

R178

(R-)

(L-)

47K

47K

1

0

7

S151

NORMAL

BTL

L151

D151

*

L152

R/(L-)

R151

R152

R155

10k

Q151

2SA970

BL

Q153

2SC2240

BL

R153

0

470

C151
270P

100V

22k

C152
270P

100V

22k

R154

470

0

Q154

2SC2240

BL

Q152

2SA970

BL

R156

10k

P261/AME
WA314J107-0

M262

C261

0.1

10A/250V

F001

J892

J005

W030

F ONLY

J893

J871

W025

L001

R261

W023

M261

1

J261J262

W024

AC 7.4

AC32.9

W034

0

AC32.9

AC34.6

0

AC34.6

W028

SM17/N1B
SM17/N1G
SM17/S1G

T5A/250V

S891

J891

W031

J005

F001

W030

J893 J892

L001

W025

W012

J951

J801

2SC2240

Q951

2SK246

Q952

5.6V

R952

D952

GR

7.0

100

6.8

6.2

R179

150

R180

150

R175

47K

R176

0dB

47K

-6dB

ATT

P861/APS
WA314J105-0

G861

0.47+6.8

D812D811

R809

S5688GS5688G

1

1/4W

D814D813

S5688GS5688G

C815

D819

1/50V

S5688G

-41.5

R814

D820

22

S5688G

1/4W

D801

D802

S5688G

S5688G

D805

D806

S5688G

S5688G

P801/APS
WA314J103-0

C953

100/25V

Q953

2SC2240

R954

10k

6.2

R953

Q954

10k

2SC3419Y

D951

0.6

*

C951

0.1

S152

R816

D803

S5688G

D807

S5688G

R181

4.7

R815

18k

22k

R956
10k

R955

Q806

2SK246

470/50V

S5688G

S5688G

0.6

C809

GR

D808

R810
100

D804

R/(L-)

J156

R184
39k

R182
18K

R802
1/2W

22.0

0.6

P601/AMA

W013

-22V
+22V
GND
23V
MUT

J155

*

1

2

R183

39k

W016

*

RM09

2.2K

RM07

100

+

QM01

2SK170

BL

-

HDAM

QM03

2SC2240

RM03

68

RM01

120

Q601,Q701

RM02

RM08

120

100

QM02

2SK170

BL

DM05

***

RM04

1K

QM04

2SA970

DM03

DM04

DM01

DM02

RM06

33K

3

+B

*

*

QM05

2SA970

+OUT

-OUT

QM06

2SC2240

RM05

1K

4

W016

5

-B
6

R601

L

J601

*

J605

P701/AMA
WA314J102-0

C001

15000/63V X2

WA314J101-0

W861

D861

W862

J861

Q805

2SD1415

23.6

43.1

R811

1k

24.5

D815

24.0V

C816

0.01

R801

1

1/2W

1

3

2

5

6

R957
390k
1/6W

Q955-1

8

NJM2904

Q955-2

NJM2904

4

24.4

44.6

1800/50V

1800/50V

2SK246

-44.6

7

220/50V

100/25V

Q803

2SK246

GR

C801

C802

Q804

GR

R951

C811

C810

R803

1

R812
1/4W

R804

10

1.2

23.044.6

4.7

Q801

R807

2SD1415

4.7

23.7

1/4W

25.4

24.4

100

R805

1k

24.5

D809

HZ24-2L

HZ24-2L

100

R958

R959

C805

R806

1k

Q802

2SB1020

C952

1/50V

100/50V

C806

100/50V

R808

4.7

1/4W

-23.7

24V

D810

24V

-24.5

-24.4

-43.1

5.6k

10k

+B

GND

-B

23.0

-23.0

C807

C808

220/50V

220/50V

W035

44.0

-44.0

R

R901

R906 R907R817

6.8k 6.8k100k

W016

W902

W901

-B

R902

68k

68k

W013

23V

C902

47/25V

R903

47k

C901

0.01

R912

MUT

J907

0

000

1.1

-0.75

47k

1.3

0.1

C903

C905

47/25V

GND

+B

-0.7

R701

(L-)

J701

*

J705

-22V

+22V

GND

Q901

TA7317P

R910

3.1

68k
R909
220k

R911

33k

C904

10/50V

23.3

R908

6.8k

33k

33k

R602
470

R702
470

R728

C906

C601
270P
100V

R628

C701
270P
100V

10

R613
1/4W

10

68

R713

68

1/4W

0.47/50V

C603

220/25V

D601

20V

Q601

19.5

3

4

1

0

+

HDAM

0

-

2

5

6

-19.5

D602

20V

C605

10P/250V

C604

220/25V

C602

0.1

C703

220/25V

D701

20V

Q701

19.5

3

4

+

1

0

HDAM

0

-

2

5

6

-19.5

D702

20V

C705

10P/250V

C704

220/25V

C702

0.1

P901/APR
WA314J103-0

R904

68k

R905

68k

C908

0.039

R914

10
1W

R603

Q603

2SA970

0.3

-0.3

R721

R703

Q703

2SA970

0.3

-0.3

23.3

47k

O/Y

D603

R619R618R617

3.3M3.3M3.3M

680

47k

O/Y

R719R718R717

3.3M3.3M3.3M

R604

R622

1W

D703

R621

Q604

47k

680

R704

R722

680

*

1W

Q704

47k

680

1W

*

1W

R623

Q605

2SA970

0.9

O/Y

-0.9

2SC2240

Q606

2SC2240

R624

R723

Q705

2SA970

0.9

-0.9

O/Y

2SC2240

Q706

2SC2240

R724

L901

D901

HSS81

44.0

680

1W

R612

100

D606

-41.0

R608

1k

680

1W

R605

220

1/4W

680

1W

R712

100

D706

-41.0

R708

1k

680

1W

R705

220

1/4W

R609

R607

330

1k

D609

42.0

*

41.6

41.0

2SA1145

D605

*

D607

1.8

40.0

*

D604

Q607

HSS81

2SC2705

O/Y

0.3

R625

3.9K

R611

100

0

R626

1.5k

-0.3

R627

2.2k

O/Y

Q608

2SA1145

-40.0

-1.8

D608

*

*

-41.6

D610

-42.0

C615

*

680p
R610
330

-44.0

R614

220

1/4W

44.0

R709

R707

330

1k

D709

42.0

*

41.6

41.0

2SA1145

D705

*

D707

*

40.0

1.8

D704

HSS81

Q707

2SC2705

O/Y

R725

0.3

3.9K

R711

100

0

R726

1.5k

-0.3

R727

2.2k

O/Y

Q708

2SA1145

-40.0

-1.8

D708

*

*

-41.6

-42.0

D710

*

R710

330

-44.0

R714

220

1/4W

C907

0.039

R913

10
1W

Q609
O/Y

-0.6

Q610

2SC2705

Q709

O/Y

-0.6

Q710

2SC2705

C715
680p

1/4W

1/4W

O/Y

220

O/Y

220

C613

/F./U : 330/50V

/K./N,/S : 220/50V

1.2

Q602

2SD1508

C607
/F./U :

10/100V

/K./N,/S :

22/25V

C614

/F./U :

R620

330/50V

220k

/K./N,/S :

220/50V

R616R615

220

1/4W

C713

/F./U : 330/50V

/K./N,/S : 220/50V

1.2

Q702

2SD1508

C707

/F./U :

10/100V

/K./N,/S :

22/25V

C714
/F./U :

R720

330/50V

220k

/K./N,/S :

220/50V

R716R715

220

1/4W

C909

0.01

C910

0.01

R629

R630

R729

R730

1.8

100

-1.8

100

1.8

100

-1.8

100

J901

J903

*

J902

J904

*

J905

*

D611

D613

5.6V

D614

5.6V

D612

D711

D713

5.6V

D714

5.6V

D712

*

*

-1.2

*

*

-1.2

-B
+B

W017

W018

W019

W020

W026

R631

C611

22

10/50V

1/4W

D615

HSS81

Q611

2SC2705

Q613

O/Y

2SC4793 O,Y

R637

150

2SA1837 O,Y

22

2SC4793 O,Y

R737

150

2SA1837 O,Y

R639

R640

R739

R740

42.6

10

0.6

0.0045

R641

0.1X2
3W

-0.0045

-0.6

10

Q614

-44.6

Q713

10

0.60.6

0.0045

R741

0.1X2
3W

-0.0045

-0.6-0.6

10

Q714

-44.6

1.2

R635

68

0.6

R633

470

C608

0.01

R634

470

0.6

R636

68

Q612

2SA1145

O/Y

D616

HSS81

C612

R632

10/50V

22

1/4W

R731

C711

10/50V

1/4W

D715

HSS81

Q711

2SC2705

O/Y

1.2

R735

68

R733

470

C708

0.01

R734

470

R736

68

Q712

2SA1145

O/Y

D716

HSS81

C712

R732

10/50V

22

1/4W

L

-B
+B

R

SPK

-

L

+

(L+)

(BTL)

(L-)

+

R

-

C610

0.47/50V

Q615

2SC3284

R642

1k

Q616

2SA1303

C710

0.47/50V

42.6

Q715

2SC3284

R742

1k

Q716

2SA1303

R643

R743

R646
22k

1k

R746
22k

1k

R645

6.8K

Q617

2SC2240

O/Y

-44.0

R745

6.8K

Q717

2SC2240

O/Y

-44.0

44.0

D617

HSS81

R644

44.0

D717

HSS81

R744

44.6

44.0

Q618

2SA970

O/Y

R647

22k

-0.7

0

22k

44.6

44.0

Q718

2SA970

-0.7

0

22k

J602

J603

*

O/Y

R747

22k

J702

J703

*

-B
+B
OUT.L

PROT
GND
+45V

-45V

-B
+B
OUT.R

PROT
GND
+45V

-45V

W017

W018

W019

W020

FOR N

3 4