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DOLBY NR
DOLBY NR
B
B
OFF
OFF
TIMER
TIMER
REC
REC
OFF
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REV. MODE
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CONT PLAY
SECTION
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
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
CASSETTE DECK SD4051
COUNTER
COUNTER
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RESET
DUBBING SPEED
DUBBING SPEED
SYNC REV
SYNC REV
NORMAL
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HIGH
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AUTO REVERSE
AUTO REVERSE
STOP
STOP
PLAY
PLAY
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO TAPE SELECT/HIGH SPEED DUBBING
EJECT
EJECT
A
A
POWER
POWER
ON/OFF
ON/OFF
PLAY
PLAY
TABLE OF CONTENTS
SD4051
COUNTER
COUNTER
RESET
RESET
REC LEVEL
REC LEVEL
REC
PAUSE
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REC MUTE
REC MUTE
AUTO REVERSE
AUTO REVERSE
STOP
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PLAY
PLAY
AUTO TAPE SELECT/HIGH SPEED DUBBING
AUTO TAPE SELECT/HIGH SPEED DUBBING
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MAX
PHONES
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EJECT
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SD4051 /
F B/N1B
Cassette Deck
PAGE
Part no. 90M16CW855010
First Issue 2006.07
MZ
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Summary of Contents for Marantz SD4051
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Page 1: Table Of Contents
Service SD4051 / F B/N1B Manual Cassette Deck CASSETTE DECK SD4051 COUNTER COUNTER COUNTER COUNTER RESET RESET RESET RESET DOLBY NR DOLBY NR DUBBING SPEED DUBBING SPEED REC LEVEL REC LEVEL TIMER TIMER SYNC REV SYNC REV NORMAL NORMAL HIGH... - Page 2 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 specifi ed.
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Page 3: Technical Specifications
1. TECHNICAL SPECIFICATIONS ........... 4 Type Vertical tape loading; 4-track 2-channel トラツク型式 トラック チャンネル ............stereo double cassette deck 録音方式 交流バイアス方式 ............Heads Playback head × 1 ヘッド 録音・再生ヘッド× Recording/Playback head × 1 再生ヘッド× Erase head (Double-gap ferrite) × 1 消去ヘッド×... -
Page 4: Adjustment Procedure
2. ADJUSTMENT PROCEDURE 機構部の調整 2-1 MECHANICAL ADJUSTMENT 2-1-1 ワラ・フラッタ（再生法） 2-1-1 Wow and flutter (playback method) FWD, REV 両方向でテープの巻始め、中間、巻終りを測定 In both FWD and REV play modes, these measurements する。 should be made at the beginning, middle, and the end of the 端子にワラ・フラッタメーターを接続する。... - Page 5 アンプ部の調整 2-2 ELECTRICAL ADJUSTMENT 2-2-1 注意 2-2-1 Precautions • Before performing adjustments and checks clean and • アンプ部の調整・確認の前に、テープ走行系の消磁と清掃 demagnetize the entire tape parh. を行なってください。 • ln general, adjustments and checks are made in the order • 特に指定のない限り、調整は 、 の順序で行なってく of Lch then Rch. Double REF. Nos. indicate Lch/Rch. ださい。尚、...
- Page 6 2-2-3 Playback performance 再生系 TEAC test tapes : Deck settings : MTT-150C : For Dolby lavel calibration Mode : PLAY MTT-25702 : For playback frequency response check DOLBY NR Switch : OFF NORMAL tape MTT-5513 : For S/N check NORMAL tape ...
- Page 7 2-2-4 Recording performance 録音系 TEAC recording test tapes: Deck settings : MTT-5513 : For NORMAL Mode : REC/PLAY MTT-5563 : For HIGH position DOLBY NR Switch : OFF REC LEVEL Control : Specified position (ltem8) MEASURING ITEM SETTING INPUT SIGNAL ADJUSTMENTS REMARKS POINTS, RESULT...
- Page 8 Rch 125Hz / portion. クロストーク - 9 dB テープを反転して再 生した時の 出力 レベルの比 Distortion Analyzer Oscilloscope Oscillater SD4051 1 kHz Filter CASSETTE DECK SD4051 COUNTER COUNTER COUNTER COUNTER RESET RESET RESET RESET DOLBY NR DOLBY NR DUBBING SPEED DUBBING SPEED REC LEVEL...
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Page 9: Wiring Diagram
3. WIRING DIAGRAM MECH I (A) J307 P307 J319 CONTROL PWB MAIN PWB DECK I (A) PLAY HEAD PLAY P301 PLAY HEAD CrO2 6A : HEAD + PWB J308 P308 TAPE DECK II (B) MECH II (B) R/P HEAD P302 J320 R/P HEAD E HEAD... -
Page 10: Block Diagram
4. BLOCK DIAGRAM PB AMP DECK I (A) METER AMP FL DISPLAY PLAY HEAD PB EQ HI SPEED PB AMP DECK II (B) DOLBY NR B OUTPUT R/P HEAD PHONES AMP PB EQ PLAY PHONES REC AMP INPUT REC EQ HX PRO BIAS ADJ. -
Page 11: Schematic Diagram
5. SCHEMATIC DIAGRAM MAIN PWB -1/3 R106 C106 R121 R122 R149 R150 R119 C303 0.001u C311 R388 R105 6.2K 22u16V U101 C104 10K(B) 100K 100u16V DTC124ES R107 R120 REC AMP L 220u10V 6.8K C102 330P C103 L101 R104 R148 1K C140 100P 0.027u... - Page 12 MAIN PWB -2/3 R152 U102 REC AMP L (MAIN -1/3) DTC124ES REC AMP R U103 R252 DTC124ES PB AMP II_GND C123 C143 R370 R157 150P 0.0056u C144 L104 3.3K TC4052BP L102 8.2mH R=158 0.0033u C146 22mH CrO2 Q304 METAL CTR. 0.0027u TAPE R156 360...
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Page 13: P309
MAIN PWB -3/3 RCA JACK R126 LINE OUT R226 R138 PLAY OUT L R124 R132 C134 C136 R139 R123 100K C135 C119 4.7u50V (TO MAIN 1/3) 220P 2.7K 0.001u 0.01u R127 33K U307A D101 MTER L R140 LINE IN NJM4558D 1SS133T R227 33K METER R... - Page 14 KEY PWB FL1 BJ185GK SW15 STOP I SW FWD I SW REV I SW 1SS133T 1SS133T 1SS133T FF I SW REW I SW 1SS133T 1SS133T SW10 SW17 SW24 STOP II SW FWD II SW REV II SW REC II SW 1SS133T 1SS133T 1SS133T...
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Page 15: Pwb
R410 MECH I (A) 8.2K P503 J304 S401 CONTROL PWB W172 J401 POWER SW MAIN PWB SW27 5K(B) DOLBY NR MAIN PWB MAINS CORD PITCH CONTROL P305 R411 8.2K AC230V CONTROL PWB 50Hz CONTROL PLAY J501 J318 POWER SW26 TRANS. TIMER TRANSF. -
Page 16: Parts Location
6. PARTS LOCATION U52 U51 Q2 U47 U48 U49 U50 U54 U53 U55 (U42) CONTROL PWB SLIDE PWB KEY PWB VR PWB PHONE PWB 鉛フリー半田 鉛フリー半田 半田付けには、鉛フリー半田 (Sn-Ag-Cu) を使用してください。 Lead-free Solder When soldering, use the Lead-free Solder (Sn-Ag-Cu). - Page 17 Q106 U103 Q302 Q303 Q102 Q202 Q304 Q203 Q103 U308 Q206 U203 U343 Q301 U306 REMOTE PWB U310 U303 U323 U102 U332 U304 U335 U202 U309 U325 U311 U351 U342 U341 U340 U339 U338 U336 U307 U312 Q307 U324 U346 U337 U330 U331...
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Page 18: Microprocessor And Ic Data
7. MICROPROCESSOR AND IC DATA 2. Block Diagram U42 : CXT82940 1. Pin Functions U310 : µPC1297CA Pin code Functions (Port A) 8-bit I/O port. I/O can AN0 to AN7 A/D CONVERTER CLOCK PA0 to PA7 be set in a unit of SPC 700 GENERATOR CPU CORE... -
Page 19: Exploded View And Parts List
SCREW SCREW, BPS M3X8 G 3B0000108A /N1B 90M-FC500080R 90M-FC500080R FERRITE CORE FER.CORE B18T 25X12X15 G 3E010000 /N1B 90M-FC500100R 90M-FC500100R FERRITE CORE FER.CORE K5AT18.3X10X10 G 3E002720 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS. - Page 20 00M16CW061020 00M16CW061020 CLUTCH CAPSTAN ASSY 00M240W264020 00M240W264020 BELT F/R BELT 3M002940 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.
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Page 21: Electrical Parts List
9. ELECTRICAL PARTS LIST NOTE ON SAFETY FOR FUSIBLE RESISTOR : PARTS INFORMATION The suppliers and their type numbers of fusible resistors RESISTORS 1) 00MGD05 × × × 140, Carbon fi lm fi xed resistor, ±5% 1/4W are as follows; 2) 00MGD05 ×... -
Page 22: Main Pwb
3C008752G MAIN C232 CER. CAP. CC, SL 50V 100PF J CER TPG 3C005722 MAIN C234 00MOA47405020 ELECT CAP. CE, 50V 0.47UF M TP G 3C000092 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS. - Page 23 90M-LC107430R COIL COIL, 8.2MH EC46-822J-T5G 3E004421G MAIN L301 90M-TC000420R 90M-TC000420R TRANSF. COIL BIAS SM-10F G 3E007790G MAIN L302 90M-LC107440R 90M-LC107440R COIL COIL, 220UH EC36-221K-T5G 3E004411G NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 24 00MGD05102160 RES. 1/8W 1.0K OHMJ26MM G R0155051 MAIN R149 00MGD05473160 RES. 1/8W 47K OHMJ26MM G R0155451 MAIN R150 00MGD05333160 RES. 1/8W 33K OHMJ26MM G R0155411 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 25 00MGD05473160 RES. 1/8W 47K OHMJ26MM G R0155451 MAIN R308 00MGD05473160 RES. 1/8W 47K OHMJ26MM G R0155451 MAIN R309 00MGD05473160 RES. 1/8W 47K OHMJ26MM G R0155451 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
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Page 26: Dta124Es
00MBA10016210 00MBA10016210 TRS. DTA124ES TP G 3S000301 MAIN U336 00MBA10016210 00MBA10016210 TRS. DTA124ES TP G 3S000301 MAIN U337 00MBA10016210 00MBA10016210 TRS. DTA124ES TP G 3S000301 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS. - Page 27 JUMPER WIRE, 10MM G E0123301 MAIN CORD JUMPER WIRE, 10MM G E0123301 MAIN CORD JUMPER WIRE, 5MM G E0123241 MAIN CORD JUMPER WIRE, 10MM G E0123301 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 28 E0123241 MAIN W126 CORD JUMPER WIRE, 12.5MM G E0123331 MAIN W127 CORD JUMPER WIRE, 10MM G E0123301 MAIN W128 CORD JUMPER WIRE, 10MM G E0123301 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 29 90M-HT200450R TRS. ! 2SB1375(F, M) 3S004920G 00MHC3890509F 00MHC3890509F IC ! NJM7805FA G S0066600 SLIDE PWB (E90288500A) SLIDE J304 CONN. HARNESS ASSY, 3P DBY 865 G E01282200A NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 30 JUMPER WIRE, 10MM G E0123301 W183 CORD JUMPER WIRE, 10MM G E0123301 W184 CORD JUMPER WIRE, 10MM G E0123301 W185 CORD JUMPER WIRE, 10MM G E0123301 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 31 J319 CORD 10P CTL WIRE ASSY G 3E0030200A CRTL J320 CORD 13P CTL WIRE ASSY G 3E0030100A CRTL J503 CONN. CONNECTOR, B 3B-PH-K-S G E0119740 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 32 E0123301 CRTL W215 CORD JUMPER WIRE, 10MM G E0123301 CRTL W216 CORD JUMPER WIRE, 17.5MM G E0123391 CRTL W217 CORD JUMPER WIRE, 10MM G E0123301 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 33 C406 CER. CAP. CC, YE 50V 0.1UFMTPG C0058472 PHONE C408 CER. CAP. CC, YE 50V 0.1UFMTPG C0058472 PHONE CORD PHONE JACK GND WIRE G 3E0082600B NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
- Page 34 90M-YT001800R TERMINAL JACK, RCA 2P ORANGE G 3E010890 REMOTE J504 CORD 2P REMOTE WIRE G 3E0108701A REMOTE R450 00MGD05470160 RES. 1/8W 47 OHMJ26MM G R0154731 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
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Page 35: About Replace The Microprocessor With A New One
10. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE When replaced of the U-PRO (Microprocessor) or the Flash ROM, confirm contents of the following. Pos. After Description Remark Name replaced CRTL U42 CXP82940-102Q G After replaced A : Mask ROM (With software). No need write-in of software to the microprocessor. B : Flash ROM (With software).