Marantz SD-4051 Service Manual Download Page 1

SD4051

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

Service
Manual

S

D

4

0

5

1

Cassette Deck

SD4051 /

F  B/N1B

Part no. 90M16CW855010

First Issue 2006.07

MZ

TABLE OF CONTENTS

SECTION 

PAGE

 1. TECHNICAL SPECIFICATIONS 

........................................................................................... 1

 2. ADJUSTMENT PROCEDURE 

.............................................................................................. 2

 3. WIRING DIAGRAM 

............................................................................................................... 7

 4. 

BLOCK DIAGRAM ............................................................................................................. 9

 5. SCHEMATIC DIAGRAM ......................................................................................................11

 6. PARTS LOCATION ..............................................................................................................21

  7.  MICROPROCESSOR AND IC DATA .................................................................................. 25

  8.  EXPLODED VIEW AND PARTS LIST ................................................................................ 27

  9.  ELECTRICAL PARTS LIST ..................................................................................................31

 10.  ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .................................. 45

RESET

MIN

PHONES

CONTROL

PITCH

PLAY

+

RESET

COUNTER

COUNTER

REC/PLAY

EJECT

A

PLAY

PLAY

HIGH

PAUSE

NORMAL

REC MUTE

REC LEVEL

SYNC REV

STOP

POWER

ON/OFF

STOP

CONT PLAY

B

OFF

PLAY

OFF

REC

B

REV. MODE

DOLBY NR

CASSETTE DECK SD4051

EJECT

TIMER

MAX

DUBBING SPEED

AUTO TAPE SELECT/HIGH SPEED DUBBING

AUTO REVERSE

AUTO TAPE SELECT/HIGH SPEED DUBBING

AUTO REVERSE

RESET

MIN

PHONES

CONTROL

PITCH

PLAY

+

Ð

RESET

COUNTER

COUNTER

REC/PLAY

EJECT

A

PLAY

PLAY

HIGH

PAUSE

NORMAL

REC MUTE

REC

REC LEVEL

SYNC REV

STOP

POWER

ON/OFF

STOP

B

OFF

PLAY

OFF

REC

B

REV. MODE

DOLBY NR

EJECT

TIMER

MAX

DUBBING SPEED

AUTO TAPE SELECT/HIGH SPEED DUBBING

AUTO REVERSE

AUTO TAPE SELECT/HIGH SPEED DUBBING

AUTO REVERSE

Summary of Contents for SD-4051

Page 1: ...NEW ONE 45 RESET MIN PHONES CONTROL PITCH PLAY RESET COUNTER COUNTER REC PLAY EJECT A PLAY PLAY HIGH PAUSE NORMAL REC MUTE REC LEVEL SYNC REV STOP POWER ON OFF STOP CONT PLAY B OFF PLAY OFF REC B REV...

Page 2: ...t at above mentioned address 060607MZ USA MARANTZ AMERICA INC 100 CORPORATE DRIVE MAHWAH NEW JERSEY 07430 USA EUROPE TRADING MARANTZ EUROPE B V P O BOX 8744 BUILDING SILVERPOINT BEEMDSTRAAT 11 5653 MA...

Page 3: ...230V 50Hz N Power Consumption 16 W Dimensions 440 W 124 H 286 D mm Weight 4 0 kg 8 58 lbs Dolby noise reduction and HX Pro headroom extension manufactured under license from Dolby Laboratories Licens...

Page 4: ...thin 120 Hz HIGH speed Within 60 Hz LOW speed 2 1 3 Reel torque Load the cassette torque meter on the deck and read the pointer indication on the dial scale for each tape transport operation The measu...

Page 5: ...xample R11 R21 0dB is referenced to 0 775V The AC voltmeter used in the procedures must have an input impedance of 1 M or more Unless specified otherwise adjustments and checks are made in FWD directi...

Page 6: ...imuth MTT 25702 12 5 kHz Azimuth screws LINE OUT Maximum output level at L R ch Lch Rch 2 DOLBY level Connection Fig 2 2 FWD PLAY MTT 150C R11 R21 TP1 W29 TP2 W56 6 dB PLAYBACK DECK I R12 R22 REC PLAY...

Page 7: ...2 dB L101 L201 30 dB min Ratio of ref level to signal 13 Record level Connection Fig 2 3 TAPE MTT 5513 LINE IN 400 Hz 12 dB R13 R23 LINE OUT 7 5 1 dB TAPE MTT 5563 Check LINE OUT 7 5 1 dB 14 Total har...

Page 8: ...BBING AUTO REVERSE AUTO TAPE SELECT HIGH SPEED DUBBING AUTO REVERSE RESET MIN PHONES CONTROL PITCH PLAY RESET COUNTER COUNTER REC PLAY EJECT A PLAY PLAY HIGH PAUSE NORMAL REC MUTE REC REC LEVEL SYNC R...

Page 9: ...4 5 6 7 8 9 P308 1 2 3 4 5 P302 1 2 3 4 5 6 1 2 3 4 5 6 L R P HEAD DECK II B E HEAD R R P HEAD 1 2 P303 1 2 3 4 5 6 1 2 3 4 5 6 J311 1 2 3 4 5 6 P309 1 2 3 J503 1 2 3 1 2 3 P503 470 1 2 3 4 5 6 7 8 9...

Page 10: ...CK DIAGRAM PB AMP DECK I A PLAY HEAD PB EQ METER AMP FL DISPLAY OUTPUT CPS PB AMP HI SPEED DECK II B R P HEAD REC PLAY PB EQ DOLBY NR B PHONES AMP PHONES INPUT REC AMP REC EQ V BIAS ADJ HX PRO E HEAD...

Page 11: ...EAD 1 2 U303B UPC4570C 6 5 7 R113 1M C109 220u10V U336 DTA124ES 2 3 1 R308 47K U331 DTA124ES 2 3 1 R149 47K R108 2 2K R107 6 8K C104 220u10V C103 0 027u C106 0 001u C206 0 001u C105 2 2u50V C213 10u16...

Page 12: ...2K Q304 2SC2240GR 1 2 3 C122 10u16V C223 150P R230 12K L202 22mH C143 0 0056u U202 DTC124ES 2 3 1 C244 0 0033u R256 360 R301 4 7K R361 47K Q203 2SC2240GR 1 2 3 R231 2 2K D302 1SS133T C329 0 01u R130 1...

Page 13: ...100u16V U7 NJM7805FA 1 2 3 Q306 2SA1015GR 1 2 3 D1 LED 1 2 C325 100u10V R373 470 R374 470 P305 3P 1 2 3 R223 2 7K U307B NJM4558D 6 5 7 R224 100K R123 2 7K C135 0 001u R124 100K R125 33 R126 1K R226 1...

Page 14: ...24ES 2 3 1 C5 10u16V C4 0 047u U54 DTC124ES 2 3 1 D1 MTZJ22C D3 1N4003 D51 1N4003 IN OUT GND U41 TA78L005AP 3 2 1 C7 220u25V U47 DTC124ES 2 3 1 Q7 2SC1815GR C9 0 022u J308 9P 1 2 3 4 5 6 7 8 9 U56 RPM...

Page 15: ...B A B MECH I A MECH II B TAPE METAL PLAY SOL CrO2 TAPE 470 470 PLAY SOL CrO2 F REC R REC 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 CONTROL PWB CONTROL PWB REC VR PHONES PWB VR PWB SLIDE PWB R...

Page 16: ...RTS LOCATION CONTROL PWB KEY PWB U3 Q3 U47 U48 Q4 U43 U54 U53 U55 U45 U52 U51 Q2 Q5 Q6 U49 U50 U41 Q7 Q1 U42 VR PWB PHONE PWB SLIDE PWB Sn Ag Cu Lead free Solder When soldering use the Lead free Solde...

Page 17: ...er Sn Ag Cu Q102 Q202 Q304 Q203 Q103 Q302 Q303 U343 Q301 U308 Q106 U103 Q206 U203 U102 U306 U351 U311 U312 U307 U310 U303 U304 U332 U335 U325 U202 U323 U309 U342 U341 U340 U339 U7 Q307 U101 Q306 U301...

Page 18: ...rectangular waves and 32kHz oscillation dividing frequency Transfer clock I Os for I2C bus interface Transfer data I Os for I2C bus interface I O I O Input I O I O I O Input I O Output I O I O I O In...

Page 19: ...UTTON POWER SD4050 G 3M0076700A 29 00M286W270050 00M286W270050 BUTTON BUTTON RESET SD4050 G 3M0077200A 30 00M286W158010 00M286W158010 WINDOW WINDOW FL SD4050 G 3M0077000A 31 00M286W274110 00M286W27411...

Page 20: ...NN CORD PIN CODE 1P ORANGE G 3E0109000A NOTE nsp PART IS LISTED FOR REFERENCE ONLY MARANTZ WILL NOT SUPPLY THESE PARTS NOTE nsp PART IS LISTED FOR REFERENCE ONLY MARANTZ WILL NOT SUPPLY THESE PARTS P...

Page 21: ...Disc type Temp chara 2B4 50V Examples Capacity value 100pF 101 1000pF 102 10000pF 103 470pF 471 2200pF 222 ELECTROLY CAP 5 00MEA 10 Electrolytic capacitor One way lead type Tolerance 20 Examples Capac...

Page 22: ...C136 nsp nsp CER CAP CC SL 50V 220PF J CER TPG 3C001982 MAIN C139 nsp 00MOA10601620 ELECT CAP CE 16V 10UFMTPG C0051322 MAIN C140 nsp nsp CER CAP CC SL 50V 100PF J CER TPG 3C005722 MAIN C141 nsp 00MOA1...

Page 23: ...00PF K CER TPG 3C005852 MAIN C340 nsp 00MOA22701020 ELECT CAP CE 10V 220 UF M TP G 3C000752 MAIN C342 nsp 00MOA47505020 ELECT CAP CE 50V 4 7UF M TP G 3C000272 MAIN C344 nsp 00MOA10701620 ELECT CAP CE...

Page 24: ...0155471 MAIN R103 nsp 00MGD05124160 RES 1 8W 120K OHMJ26MM G R0155551 MAIN R104 nsp 00MGD05472160 RES 1 8W 4 7K OHMJ26MM G R0155211 MAIN R105 nsp 00MGD05105160 RES 1 8W 1 0M OHMJ26MM G R0155751 MAIN R...

Page 25: ...1 8W 10K OHMJ26MM G R0155291 MAIN R223 nsp 00MGD05272160 RES 1 8W 2 7K OHMJ26MM G R0155151 MAIN R224 nsp 00MGD05104160 RES 1 8W 100K OHMJ26MM G R0155531 MAIN R225 nsp 00MGD05330160 RES 1 8W 33 OHMJ26...

Page 26: ...S 1 8W 4 7K OHMJ26MM G R0155211 MAIN TP3 nsp nsp CORD JUMPER WIRE 5MM G E0123241 MAIN TP4 nsp nsp CORD JUMPER WIRE 5MM G E0123241 MAIN U101 00MBA20024210 00MBA20024210 TRS DTC124ES TP G 3S000291 MAIN...

Page 27: ...D JUMPER WIRE 10MM G E0123301 MAIN W20 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN W21 nsp nsp CORD JUMPER WIRE 5MM G E0123241 MAIN W22 nsp nsp CORD JUMPER WIRE 7 5MM G E0123271 MAIN W23 nsp nsp COR...

Page 28: ...W91 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN W92 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN W93 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN W94 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN...

Page 29: ...R WIRE 10MM G E0123301 MAIN W161 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN W162 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN W163 nsp nsp CORD JUMPER WIRE 10MM G E0123301 MAIN W165 nsp nsp CORD J...

Page 30: ...23160 RES 1 8W 22K OHMJ26MM G R0155371 KEY R82 nsp 00MGD05223160 RES 1 8W 22K OHMJ26MM G R0155371 KEY R83 nsp 00MGD05223160 RES 1 8W 22K OHMJ26MM G R0155371 KEY SW1 90M SP001370R 90M SP001370R SW SW T...

Page 31: ...UMPER WIRE 10MM G E0123301 KEY W305A nsp nsp CORD JUMPER WIRE 5MM G E0123241 KEY W306A nsp nsp CORD JUMPER WIRE 5MM G E0123241 KEY W307A nsp nsp CORD JUMPER WIRE 5MM G E0123241 KEY W308 nsp nsp CORD J...

Page 32: ...8W 82K OHMJ26MM G 3R001181 CRTL R78 nsp 00MGD05823160 RES 1 8W 82K OHMJ26MM G 3R001181 CRTL R84 nsp 00MGD05223160 RES 1 8W 22K OHMJ26MM G R0155371 CRTL R85 nsp 00MGD05223160 RES 1 8W 22K OHMJ26MM G R...

Page 33: ...UMPER WIRE 10MM G E0123301 CRTL W251 nsp nsp CORD JUMPER WIRE 17 5MM G E0123391 CRTL W252 nsp nsp CORD JUMPER WIRE 10MM G E0123301 CRTL W253 nsp nsp CORD JUMPER WIRE 10MM G E0123301 CRTL W254 nsp nsp...

Page 34: ...E 10MM G E0123301 TRANS B PWB E90288900A TRANS B C901 N1B nsp nsp CER CAP CC YF 50V 0 10UFZ CER TPG 3C006122 TRANS B J401 nsp nsp CORD 5P POWER WIRE G 3E0076201A TRANS B L901 nsp nsp CORD JUMPER WIRE...

Page 35: ...ash ROM With software Usually no need write in of software But when the software was updated you should be write in of the new software to the microprocessor or flash ROM Please check the software ver...

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