Marantz SR 66 U Service Manual

Page 1

serVice 74 SR66/025

SR-66U

Manual AlV Surround Receiver

TABLE OF CONTENTS
SECTION PAGE

1. TECHNICAL SPECIFICATIONS .I
2. BLOCK DIAGRAM ......
3. WIRING DIAGRAM ..... .................................................................................................. . 7
4. SCHEMATIC DIAGRAM AND PARTS LOCATION (Pattern Side)
5. SERVICE TEST PROGRAM OF THE MICROPROCESSOR.

6. ALIGNMENT PROCEDURES ................................................
7. EXPLODED VIEW AND PARTS LIST ...................................................................................................... 32
8. ELECTRICAL PARTS LIST ........................................................................................................................ 35

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

maranll®

model SR-66

Printed in Japan First Issue 1996.3
188W855080 ACT

Page 2

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 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 pan 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 pans

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- 2330
USA

PHONE Z 708* 307 3100

FAX Z 705* 307 2687

-CANADA
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT.
PICKERING. ONTARIO LIW 3K1
CANADA

PHONE 1 416- 831* 6333

FAX : 418-831>8938

~Pn0FE-I'SIIINAL-USA
SUPERSCOPE TECHNOLOGIES. INC.
MARANTZ PROFESSIONAL PRODUCTS
1000 CORPORATE BLVD.. SUITE D

- Pnortssmivu -cANA DA

Tc ELECTRONICS CANADA LTD
540 FIRING AVE.

BAIE D'URFE. QUEBEC Hex arz

MARANTZ AUSTRALIA

3 Figtree Drive

Australia Centre

Homebush. N$W2140 AUSTRALIA

AURORA.ILL|NOIS 60504 USA CANADA

PHONE: 7ue-azo~4aoo PHONE: 514-45774044

FAX : 708-820-8103 FAX : 514-45775524
-AUSTRALIA -HONG-KONG

FORWARD INTERNATIONAL CORP. LTD
15 TH FLOOR, REGENT CENTRE.

58 QUEEN'S ROAD. CENTRAL. H. K.
PHONE 2 +852 521* 0853

-EUROPE
MARANTZ EUROPE B.V.
P.0.BOX 80002

BUILDING SFFZ

5600 JB EINDHOVEN

THE NETHERLANDS
PHONE: 31-40-2732241
FAX : +31- 40- 2735573

-TRADING
MARANTZ EUROPE B.V.
P.O.BOX 80002

BUILDING SFF2

5500 JB EINDHOVEN

THE NETHERLANDS
PHONE : +31-4Ds2732241
FAX : 13140-2735573

-THAILAND
MRZ STANDARD 00,. LTD.

746- 750 WANGBURAPA BANGKOK
10200 THAILAND

EHONE: +63 2222 9181

PAl- YUING 00.. LTD.

6 TH FL No. MB SUNG KIANG norm.
TAIPEI. 10429. TAIWAN R.0.C.
PHONE: xtears (2) 52213044:

FAX : +886 (2) 5630415

--JAPAN-Technical
MARANTZ JAPN INC.
3571.7- chome. Sagamiono
Sagamihara-shr. Kanagawa

Japan
PHONE . «31427 48 2181
FAX : +8142? 43 0889

PHONE: +612 742.8311 FAX : +852 521 A 7535 FAX 2 +65 2225 8371
FAX : +61 2 7543074
-TAIWAN--- -MALAYSIA -5INGAPORE

W0 KEE HONG ELECTRONICS SDNL BHD.
No.102 JALAN SS 21/35. DAMANSARA
UTAMA. 47900 PETALING .IAYA
SELANGOR DARUL EHSAN.

MALAYSIA

PHONE 1 +60 3-7134666

FAX r 45037173323

W0 KEE HONG (SINGAPORE) PTE. LTD.
29. LENG KEE ROAD

SINGAPORE 159099,

PHONE: +65 47574555

FAX : +65 475- 8623

BIKVEVyHiiY/fiit

'44 11 T 22' filllhlifltmrlilfllfikfifl TEI 35 $11?

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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 Parel 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 aptlied.
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.

95] IOEKI