Marantz SR 670 Service Manual

Page 1

. Service 74SR670/023

SR670 U

Man ual AudioNideo Surrbundfieceiver

TABLE OF CONTENTS
SECTION
1. TECHNICAL SPECIFICATIONS
2. BLOCK DIAGRAM ..
3. WIRING DIAGRAM ..
4. SCHEMATIC DIAGRAM AND PARTS LOCATION (Pattern Side).
) 5. SERVICE TEST PROGRAM .......................................................
6. ALIGNMENT PROCEDURES ...............
7. EXPLODED VIEW AND PARTS LIST
8. ELECTRICAL PARTS LIST ...................

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

marantl®

model SR670

Printed in Japan First Issue 1997.3
192W855010 ACT

Page 2

MARANTZ DESIGN AND SERVICE .1

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. ' L '

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 i

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.

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440 MEDINAH ROAD 033 ORANrrE COURT. Posox 00002
ROSELLE, ILLINOIs 00172. 2300 PIOKERINO. ONTARIO L1w 3K1 surname sen
USA CANADA 5600 .re EINDHOVEN
PHONE : 0:10 - 007 4 0100 PHONE 2418-1131-6333 THE NETHERLANDS
FAX :530 - 307 - 2507 FAX :416-831-8938 PHONE : +31 - 40- 2732241
FAX : +01 - 4o » 2705570 * >
1* PHDI'EISIGNAL USA ---- - PHOEISIUNIL CANADA "TRADING
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MARANTz PROFESSIONAL PRODUCTS 540 FIRING AVE. P.o.aox 00002
1000 CORPORATE BLVD. SUITE O we DURFE. QUEBEC Hex 3T2 BUILDING SFF2
AURORA. ILLINOIS 00504 USA OANAOA 5300 JB EINDHOVEN
PHONE : 600 - 020 - 4000 PHONE : 514 - 457 - 4044 THE NETHERLANDS
FAX :530 - 020 ~ 0105 FAX :014 - 457 - 5524 PHONE : .31 - 40 . 2752241
FAX : +31 - 40 - 2705570
"AUSTRALIA BRAZIL "HONG KONG ---"'-
uIAnANrz AusrnALIA RANT! own. FORWARD INTERNATIONAL scum).
a Flgtree Drive Oaixa Postal 21402 15 TH FLOOR, REGENT CENTRE.
Australia Centre OEP 04500970 00 QUEENS ROAD. CENTRAL. H. K, )
Homebush, Nsw2140 AusrnALlA Sao Paulo. SP. BRAZIL PHONE : ~052 521 - 0003
PHONE : +01 2 742 0311 PHONE '. 0000 -123123(mseagen 0110106151010 FAX : ~05: 521 . 7005
FAX :+01 2 754 3074 FAX :055 11 534. 0000 1
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TAIPEI, 10420, TAIWAN R.o.c. 10200 THAILAND UTAMA, 47400 PETALING .IAYA
PHONE ; +300 (2) 5221304 . a PHONE : .50 2222 0101 SELANeOR DARuL EHSAN,
FAX : +000 (2) 5030415 FAX : +00 2225 0071 MA LAYs IA
PHONE : +00 3 . 7104090
FAX : +00 0 - 7175020 2
"JAPAN Technical SINGAPORE '-_-_- )
IIAAIIAN'rz JAPAN Inc. B it 7 5 2 7 1% it a? $1; FORWARD MARKETING (sINcAPonz) we. LTD.
35- l , 7. chome. sagamiono 29. LENG KEE ROAD
Sagamlhara - shl, Kanagawa t a T228 SINGAPORE t 590%.
Japan menimatlmmatfi 7 - as - 1 PHONE : +55 475 » 4555
PHONE : +31 427 44 7950 smear 7150 FAX : +05 475 - 0523
FAX : +01 427 4a 0509 madman: 1 -11 ~ 9

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 cennected 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 difiiculties. do not hesitate to contact the Technical
Department at above mentioned address.

9102mm