Marantz CD 38 Service Manual

Page 1

S e rv i c e 74 CD38/o1 B/OZBIOSB
M a II U 3' Compact disc player

E fiOMPACT
DIGITAL AUDIO
A TABLE OF CONTENTS ,
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ................................................................................................................. 3

2. WARNINGS ............................
3. SERVICING HINTS - TOOLS .
4. DISMANTLING INSTRUCTIONS
K 5. SERVICE TEST PROGRAM ......
6. CDM 12.1 START UP DIAGRAM ..
. 7. FAULTFINDING GUIDE CDM 12.1
r 8. FAULTFINDING GUIDE.................
9. SPECIFICATIONS MEASUREMENT
10. BLOCK DIAGRAM.....
11. WIRING DIAGRAM
12. CIRCUIT DIAGRAM and PRINTED BOARDS
12.1. POWER SUPPLY and TRANSFORMER CONNECTIONS ..
'T " 12.2. SERVO CIRCUIT DIAGRAM .................................................
12.3. DECODER CIRCUIT DIAGRAM .
12.4. DAC CIRCUIT DIAGRAM ..
12.5. MONO BOARD LAYOUT ..
12.6. MAIN PANEL SOLDER SID
12.7. DISPLAY & KEYBOARD ......
13. EXPLODED VIEW LOADER & PARTS LIST ..........................
14. EXPLODED VIEW CABINET & MECHANICAL PARTS LIST.
15. ELECTRICAL PARTS LIST

, Please use this service manual with referring to the user guide (D.F.U) withouI fail.

maranll®

PCS 89146 mOdeI CD'38

4822 725 51151
Firsx Issue 1997.9
225111855010 ACT

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MAFANTZ 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 0r 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 numberlor 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.

rUSA rCANADA I- EUROPE
IIIIARANTz AMERICA, INc. LENBROOK INDUSTRIES LIMITED MARANTz EUROPE e.v.
440 MEDINAH ROAD 633 GRANITE COURT, Posox 30002
ROSELLE, ILLINOIS 60172- 2330 PICKERING, ONTARIO L1w 3K1 BUILDING SFFZ
USA CANADA 5600 JB EINDHOVEN
PHONE : 630 - 307 - 3100 PHONE : 4143-3310333 THE NETHERLANDS
FAX :630 - 307 - 2687 FAX 1416-831 5936 PHONE : +31 - 40 - 2732241
FAX : +31 - 40 - 2735573
- PMFESSIDN USA - - PRDFESSIDNAL CANADA TRADING -- E
SUPERSCOPETECHNOLOGIES. me. To ELECTRONICS CANADA LTD MARAN'TZ EUROPE e,v,
MARANTz PROFESSIONAL PRODUCTS 540 FIRING AVE. P.O,BOX 80002
1000 CORPORATE BLVD. SUITE D BAIE D'URFE, QUEBEC ng 312 BUILDING SFF2
AURORA, ILLINOIs 60504 USA CANADA 5600 JB EINDHOVEN
PHONE : 630 ~ 020 - 4000 PHONE : 514 - 457 - 4044 THE NETHERLANDS
FAx : 630 - 320 - 2103 FAX : 514 »457 » 5524 PHONE :+31 - 40 - 2732241
FAx : +31 - 40 » 2735573
-BRAZIL - -THAILAND - - HONG KONG-
MARANH BRAZIL MR2 STANDARD co LTD. FORWARD INTERNATIONAL CORRLTD.
Caixa Postal 21462 746 » 750 WANGBURAPA BANGKOK 15 TH FLOOR, REGENT CENTRE,
CEP 04698-970 10200 THAILAND 88 QUEENS ROAD, CENTRAL. H. K.
Sao Paulo, SP, BRAZIL PHONE : +66 2222 51131 PHONE : +052 521 » 0883
PHONE : 0800 - 123123ioscagem Direra GtamIIB) FAX : +66 2225 8871 FAX : +552 521 - 7835 -
FAX : +55 11 534. 9933
-TAIWAN - - MALAYSIA
PAI-VUING co,, LTD. wo KEE HONG ELEcTRONIcs SDN. BHD.
6TH FL No, 143 SUNG KIANG ROAD, No. l 02 JALAN ss 21/35, DAMANSARA
TAIPEI, 10429. TAIWAN R.o.c. UTAMA, 47400 PETALING JAYA
PHONE : +886 (2) 5221304 - a SELANGOR DARUL EHSAN, A
FAX : +886 (2) 5630415 MA LAYS IA
PHONE : +60 3 - 7134666
FAX :+60 3 - 7173828
JAPAN Technical - SINGAPORE
MARAN'IZ JAPAN INC. El IIS 7 7 / J HE it 2: ii FORWARD MARKETING (SINGAPORE) PTE. LTD.
35- | ,7- chome, Sagamiono _ 29. LENG KEE ROAD
Sagamlhara - snr, Kanagawa 2F #1 1- 228 SINGAPORE I 59099,
Japan w§lllfiet-��l§l§fifitfil§x§ 7 - 35 -1 PHONE : +65 475 -4555
PHONE :451 427 44 7950 seam T 150 FAx :+65 475 - 8623
FAX :+81 427 4a 0589 eeeeseertss 1 ~ 11 -9

SHOCK, FIFtE 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.

970408ACT

PCS 89 147