Marantz PMD 321 Service Manual

Page 1

serVice 74 PMD320/023, u

74 PMD321/023, u

M a n U a I CompaCt disc Player
@fifiifi

.....n.... , A DIGITAL AU mo

TABLE OF CONTENTS

SECTION PAGE

1. TECHNICAL SPECIFICATIONS ...................................................................................................................... 1
CAUTION ...................................................................
NOTES ON BALANCED OUTPUTS CONNECTORS ..
SERVICE MODE ...............................
MICROPROCESSOR AND IC DATA
SERVICING HINTS (Pitch Control) ......
WAVE FORM ..........
BLOCK DIAGRAM
SCHEMATIC DIAGRAMS AND PARTS LOCATION (PATTERN SIDE)
EXPLODED VIEW AND PARTS LIST .................................................... ..
ELECTRICAL PARTS LIST ........................................................................................................................... 24

sowrlsnsneww

-l_
do

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

maranll®

model PMD320 I PMD321 Hrsfissuengm

313K855010

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 pans 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 601727 2330
USA
PHONE : 708' 30741100
FAX : 708 - 307- 2687

[CANADA

LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT.
PICKERING. ONTARIO LIW 3K1
CANADA
PHONE: 415- 331-8333
FAX : 416-531-6930

-PROFESSIONAL-U$A---
SUPERSCOFE TECHNOLOGIES. INC.
MARANTZ PROFESSIONAL PRODUCTS
1000 CORPORATE BLVD., SUITE D

-PROFESSIONAL~CANADA
TC ELECTRONICS CANADA LTD
540 FIRING AVE.

BAIE D'URFE. QUEBEC Hex 3T2

3 Figtree Drive
Australia Centre
Homebush, NSW2I40 AUSTRALIA

AURORA, ILLINOIS 60504 USA CANADA

PHONE: 705-820-4800 PHONE: 514-457-4044

FAX : 703-820-8103 FAX : 51474514524
rrAUSTRALIA -HONG-KONG

MARANTZ AUSTRALIA FORWARD INTERNATIONAL CORP. LTD.

15 TH FLOOR, REGENT CENTRE.
80 QUEEN'S ROAD, CENTRAL, H. K.
PHONE 2 +852 521- 0883

~EUROPE
MARANTZ EUROPE B.V.
ROBOX 80002
BUILDING SFFZ
5600 JB EINDHOVEN
THE NETHERLANDS
PHONE 2 +31 40- 732241
FAX : +31- 40- 735573

--TRADING

MARANTZ EUROPE B,V.
P.O.BOX 80002

BUILDING SFFZ

5600 JB EINDHOVEN

THE NETHERLANDS
PHONE: +31E40s 732241
FAX : +31-40-785573

-THAILAND

MRZ STANDARD (20.. LTD.

746- 750 WANGBURAPA BANGKOK
10200 THAILAND

PHONE : +56 2222 SIEI

PAI- YUING co, LTD.

6 TH FL N0. 148 SUNG KIANG RORD.
TAIPEI. 10429. TAIWAN Roc.
PHONE : #386 (2) 5221304~8

FAX : +333 (2) 5630415

-JAPAN-Technical
MARANTZ JAPN INC.
3571,77 chome. Sagarniono
Sagamihara- shi. Kanagawa

Japan
PHONE: 81 427 482151
FAX : +51 427 45 0559

PHONE : +51 2 742.8311 FAX : +552 521-7335 FAX : +66 2225 8871
FAX : +6127643074
~TAIWAN r-MALAYSIA ~SINGAPORE

N0. 102 JALAN SS 21/35. DAMANSARA
UTAMA. 47400 PETALING JAYA
SELANGOR DARUL EHSAN.

MALAYSIA

PHONE 2 +60 3- 7154555

FAX : +60 3 - 7173828

WO KEE HONG ELECTRONICS SDN, BHD,

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

SINGAPORE 0315.

PHONE : 455 47574555

FAX : +65 475- 8623

-JAPANvPansVOrdeI
MARANTZ JAPN INC.

35-1. 7 A chome. Sagamiono
Sagamihara~shi, Kanagawa

Japan
PHONE: +81427 451013
FAX : +51 427 48 SIQO

B$75>Vifikifié§fi

§¥$§flT I50 fiififiiifiézfiflfifif TE l1 #9?

1i T 220 NfillIfiIfiIilifiiEIQXHT TE 35 $1?

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.

950501 Kl