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1、Service Manual Please use this service manual with referring to the user guide (D.F.U) without fail. 286W855010 AO 3120 785 22012 First Issue:1999.08 SD4050 /N1B, /U1B, /F1B Cassette Deck - SD4050 - TABLE OF CONTENTS 1.TECHNICAL SPECIFICATION .1 2.BLOCK DIAGRAM .2 3.WIRING DIAGRAM.3 4.ADJUSTMENT PRO
2、CEDURE .5 5.SCHEMATIC DIAGRAM AND PARTS LOCATION .10 6.MICROPROCESSOR AND IC DATA .17 7.EXPLODED VIEW AND PARTS LIST.19 8.ELECTRICAL PARTS LIST.22 Printed in Japan SD4050SD4050 RadioFans.CN 收音机爱 好者资料库 MARANTZ DESIGN AND SERVICE Using superior design and selected high grade components, MARANTZ compan
3、y 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 : P
4、arts 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 nu
5、mber 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. SHOCK, FIRE HAZARD SERVICE TEST : CAUTION : After servicing this appliance and prior to returning to customer, measure the resistanc
6、e 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 app
7、lied, 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. 990729A.O USAUSA MARANTZ AMERICA, INCMARANTZ AMERICA, INC. 440 MEDINAH ROAD ROSELLE, ILLINOIS 60172 USA PHO
8、NE : 630 - 307 - 3100 FAX : 630 - 307 - 2687 BRAZILBRAZIL MARANTZ BRAZILMARANTZ BRAZIL CAIXA POSTAL 21462 CEP 04698-970 SAO PAULO, SP, BRAZIL PHONE : 0800 - 123123(Discagem Direta Gratuita) FAX : +55 11 534. 8988 JAPANJAPAN Technical MARANTZ JAPAN, INC.MARANTZ JAPAN, INC. 35- 1, 7- CHOME, SAGAMIONO
9、SAGAMIHARA - SHI, KANAGAWA JAPAN 228-8505 PHONE : +81 42 748 1013 FAX : +81 42 748 9190 EUROPE / TRADING EUROPE / TRADING MARANTZ EUROPE B.V.MARANTZ EUROPE B.V. P.O.BOX 80002, BUILDING SFF2 5600 JB EINDHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2732241 FAX : +31 - 40 - 2735578 CANADACANADA LENBROOK IN
10、DUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936 AUSTRALIAAUSTRALIA JAMO AUSTRALIA PTY LTDJAMO AUSTRALIA PTY LTD 1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - 3 - 9543 - 1522 FA
11、X : +61 - 3 - 9543 - 3677 THAILANDTHAILAND MRZ STANDARD CO.,LTDMRZ STANDARD CO.,LTD 746 - 754 MAHACHAI ROAD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +66 - 2 - 222 9181 FAX : +66 - 2 - 224 6795 TAIWANTAIWAN PAI- YUING CO., LTD.PAI- YUING CO., LTD. 6 TH FL NO, 148 SUNG KIANG ROAD
12、, TAIPEI, 10429, TAIWAN R.O.C. PHONE : +886 - 2 - 25221304 FAX : +886 - 2 - 25630415 MALAYSIAMALAYSIA WO KEE HONG ELECTRONICS SDN. BHD.WO KEE HONG ELECTRONICS SDN. BHD. NO. 102 JALAN SS 21/35, DAMANSARA UTAMA, 47400 PETALING JAYA SELANGOR DARUL EHSAN, MALAYSIA PHONE : +60 3 - 7184666 FAX : +60 3 - 7
13、173828 AMERICASAMERICAS SUPERSCOPE TECHNOLOGIES, INC.SUPERSCOPE TECHNOLOGIES, INC. MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX : 630 - 820 - 8103 KOREAKOREA MK ENTERPRISES LTD.MK ENTERPRISES LTD. ROOM 604/605, ELECTRO-OFFICETEL
14、, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOUL KOREA PHONE : +822 - 3232 - 155 FAX : +822 - 3232 - 154 SINGAPORESINGAPORE WO KEE HONG (S) PTE LTDWO KEE HONG (S) PTE LTD WO KEE HONG CENTRE NO.23, LORONG 8, TOA PAYOH SINGAPORE 319257 PHONE : +65 2544555 FAX : +65 2502213 RadioFans.CN 收音机爱 好者资料库 1. TECHNI
15、CAL SPECIFICATION 1 Track System :4-track, 2-channel stereo Heads :Deck I ; 1 Playback (Rotating) Deck II ; 1 Erase and 1 Record/ Playback (Rotating) Type of Tape :Cassette tape C-60 and C-90 (Philips type) Tape Speeds :4.8 cm/sec, 4.9 cm/sec (When high speed dubbing) Motors :DC servo motor x 2 Wow
16、and Flutter :0.09 % RMS, +/- 0.1 %w. peak Frequency response (Overall, -20 dB) : 25-18,000Hz +/- 3 dB (at -20 dB, metal tape) Signal-to-Noise Ratio (Overall) : More than 74 dB (CCIR/ARM); Dolby C NR on Fast Winding Time : Appopox. 110sec with a C60 cassette Inputs :100 mV/50k ohm input level at maxi
17、mum Outputs :460 mV/47k ohm maximum (0 dB : 200 nWb/mm) Power Requirements : 120 V AC, 60 Hz (U.S.A./Canada model) 230 V AC, 50 Hz (Europe model) Power Consumption : 0.16 A Dimensions (W x H x D) : 440 x 124 x 286 m/m (W x H x D) Weight :4.0 kg Standard Accessories : Remote control unit (RC455SD) x
18、1 (U.S.A. /Canada model only), Battery (SUM-3, “AA”, “R6” type) x 2 (U.S.A. / Canada model only), Input-output connection cord x 1 Remote control cable x 1 Recording Bias :Apporox. 100 kHz Channel Separation :More than 40 dB (at 1 kHz) Phones :0.95 mW (load impedance 8 ohm to 1.2k ohm) Improvements
19、may result in specification or feature chang- ing without notice. Dolby noise reduction and HX Pro headroom extension manufactured under license from Dolby Laboratories Licensing Corporation. HX Pro originated by Bang R11/R21) 0dB is referenced to 0.775V. The AC voltmeter used in the procedures must
20、 have an input impedance of 1M or more. Unless specified otherwise, adjustments and checks are made in FWD direction. 4. ADJUSTMENT PROCEDURE 7 4-2-3 Playback performance Deck settings : Mode : PLAY DOLBY NR Switch : OFF TEAC test tapes : MTT-150C : For Dolby lavel calibration MTT-25702 : For playba
21、ck frequency response check NORMAL tape MTT-5513: For S/N check NORMAL tape 1. Head azimuth adjustment 2. DOLBY level 4. Meter level 3. Playback output level 7. Playback S/N ratio 6. Playback frequency response 5.PHONES output level PHONES PLAYBACK REC/PLAY Connection:Fig. 2-4 Check and adjust in FW
22、D, REV respectively Connection:Fig. 2-2 FWD, PLAY MTT-150CCheck REV azimuth FWD azimuth (Fig. 2-5) R11/R21 R12/R22 Check Check 46dB min. 2501k +4dB -4dB 12.5k (Hz) Check Check Check Azimuth screws MTT-150C MTT-150C MTT-150C MTT-150C MTT-25702 (12.5kHz) Connection:Fig. 2-3 FWD/REV PLAY Connection:Fig
23、. 2-3 Connection:Fig. 2-3 MTT-25702 MTT-5513 Playback the leader tape portion ITEMREMARKSSETTINGINPUT SIGNALADJUSTMENTS MEASURING POINTS, RESULT LINE OUT: Phase: within 45 LINE OUT: Maximum output level at L upper 2 bits are for outputs. (8 pins) (Port F) 4-bit output port, operating as N-ch open dr
24、ain output for large current (12mA). (4 pins) External event inputs for timer/counter. Inputs for external interruption request. (4 pins) Non-maskable interruption request input. Remote control reception circuit input. Carrier output of remote control transmission circuit. Output for the timer/count
25、er 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/Input I/O/Output PB0 PB1/CS0 PB2/SCK0 PB3/SI0 PB4/SO0 PB5/SCK1 PB6/SI1 PB7/SO1 (Port B) 8-bit I/
26、O port. I/O can be set in a unit of single bits. Incorporation of pull-up resistor can be set through the software in a unit of 4 bits. (8 pins) Chip select input for serial interface (CH0). Serial clock I/O (CH0). Serial data input (CH0). Serial data output (CH0). Serial clock I/O (CH1). Serial dat
27、a input (CH1). Serial data output (CH1). (Port A) 8-bit I/O port. I/O can be set in a unit of single bits. Incorporation of pull-up resistor can be set through the software in a unit of 4 bits. (8 pins) (Port C) 8-bit I/O port. I/O can be set in a unit of single bits. Capable of driving 12mA sync cu
28、rrent. Incorporation of pull-up resistor can be set through the software in a unit of 4 bits. (8 pins) Output/Output PD0/S0 to PD7/S7 (Port D) 8-bit output ports. (8 pins) FDP segment signal outputs. (8 pins) OutputS8 to S11FDP segment signal outputs. (4 pins) Output/Output T8/S12 to T15/S19 Outputs
29、 for FDP timing signals/segment signals. (8 pins) I/OPG0 to PG3 (Port G) 8-bit I/O port. I/O can be set in a unit of single bits. Incorporation of pull-up resistor can be set through the software in a unit of 4 bits. (4 pins) VFDP EXTAL XTAL TEX TX RST NC AVREF AVSS VDD VSS Input Output Input Output
30、 Input Input FDP voltage supply when incorporated resistor is set by mask option. T0 to T7FDP timing signal outputs. Crystal connectors for system clock oscillation. When the clock is supplied externally, input to EXTAL; opposite phase clock should be input to XTAL. Crystal connectors for 32kHz time
31、r/counter clock oscillation. Set 32kHz crystal oscillator between TEX and TX. For usage as event input, attach clock source to TEX, and open TX. Low-level active, system reset. NC. Under normal operation, connect to VDD. AVDDPositive power supply for A/D converter. Reference voltage input for A/D co
32、nverter. A/D converter GND. Positive power supply. GND. Output 18 U42 : CXT82940 Note) NC (Pin 75) must be connected to VDD. 1. Pin Functions 3. Pin Configuration 1213141516171819202122 2345678910111 IREF MOA SSKREC AMP SSKREC AMP KLSHDETLDETLLS KLSHDETLDETLLS VCC VEE Mode Control MOA 2. Block Diagr
33、am U305 : CXA1561S U310 : PC1297CA VCCVR2VIN(R)2PH2CIN2COUT2VOUT21VOUT22VIN(O) VSTVR1VIN(R)1PH1CIN1COUT1VOUT11VOUT12GND 10111213141516 ABSO DET PEAK DET ABSO DET PEAK DET V C A PRE. DRIVER POWER REGULATOR THERMO DETECT V C A 1718 123456789 POS. NO VERS. COLOR PART NO. (FOR PCS) DESCRIPTION PART NO.
34、(MJI) (VERS. :VERSION, U:U.S.A., F:JAPAN, K:FAR EAST, N:EUROPE) 1 nspBONNETnsp 2 9965 000 01104MECH ASSY,PB CMAL2Z093A286W304500 3 9965 000 01105HOOK,EJECT (L)286W258110 4 9965 000 01106SPRING,HOOK L286W115110 5 9965 000 01107SPRING EJECT W-790R286W115120 6 9965 000 01108KNOB,SLIDE286W154020 8 9965
35、000 01109DAMPER,GEAR 001P-O-L NF286W130110 13 9965 000 01110BUTTON,EJECT L (B)286W270140 14 9965 000 01111SPRING,L286W115130 15 9965 000 01112BUTTON,MAIN A286W270110 16 9965 000 01113BUTTON,MAIN B286W270120 21 9965 000 01114BUTTON,EJECT R (B)286W270130 22 9965 000 01115SPRING,R286W115140 23 9965 000
36、 01116SPRING,HOOK R286W115150 24 9965 000 01117HOOK,EJECT (R)286W258120 25 9965 000 01118PANEL,FRONT286W248010 26 4822 454 11825MZ BADGE185J251012 27 9965 000 01119LEAD185W271110 28 9965 000 01120BUTTON,POWER286W270010 29 9965 000 01121BUTTON,RESET286W270050 30 9965 000 01122WINDOW,FL286W158010 31 9
37、965 000 01123PLATE,REFLECT286W274110 33 9965 000 01124MECH ASSY,R/P CMAL2Z094A 286W304510 34 9965 000 01125KNOB,REC VOLUME286W154010 35 9965 000 01126KNOB,M (B)286W154030 36 9965 000 01127LID,CASSETTE286W053010 47 9965 000 01128MAINS TRANSFORMER W0020B *TS001060R 48 9965 000 01129LINKAGE,POWER286W12
38、1110 52 nspFOOT ASSY, SD455nsp 61 nspSCREW J, S M3X6 BLKnsp 62 nspSCREW VPC M3X8 BLKnsp 63 nspSCREW BPP M3X8nsp 64nspSCREW 2.6X4.5nsp 65 nspSCREW BPS M3X6nsp 66 nspSCREW BPS M3X6 BLKnsp 67 nspSCREW BPP M3X8 BLKnsp 68 nspSCREW J, S M3X6nsp 69 nspSCREW BPAW M4X8nsp 70 nspSCREW BPS M3X8nsp PACKING Fnsp
39、USER GUIDE (JPN)286W851110 UnspUSER GUIDE (USA)286W851250 N9965 000 01130USER GUIDE (EUR)286W851310 F UnspREMOTE CONTROL UNIT RC455SD ZK240W0010 NOT STANDARD SPARE PARTS nspCUSHION TOP286W809010 nspCUSHION BOTTOM286W809020 nspCARTON BOX INNER286W801010 1920 7. EXPLODED VIEW AND PARTS LIST POS. NO VE
40、RS. COLOR PART NO. (FOR PCS) DESCRIPTION PART NO. (MJI) (VERS. :VERSION, U:U.S.A., F:JAPAN, K:FAR EAST, N:EUROPE) DM1A 9965 000 01131PCB CONTROL (PB)*ZZ001340R DM1B 9965 000 01132PCB CONTROL (REC/PB)*ZZ001350R DM2 9965 000 01133MOTOR MAIN*MM000940R DM3 9965 000 01134CLUTCH ASSY286W061500 DM4 4822 52
41、8 11202POLLER PINCH (L)240W255010 DM5 4822 528 11203POLLER PINCH (R)240W255020 DM6A 9965 000 01135PLATE HEAD (PB)*LH200110R DM6B 9965 000 01136PLATE HEAD (REC/PB)*LH400170R DM7 4822 358 31201BELT MAIN240W264010 DM8 4822 528 11204CAPSTAN ASSY240W061020 DM9 4822 358 31124F/R BELT240W264020 ASSIGNMENT
42、OF COMMON PARTS CODES. RESISTORS R1) GD05 x x x 140, Carbon film fixed resistor, 5% 1/4W R2) GD05 x x x 160, Carbon film fixed resistor, 5% 1/6W 1 Resistance value Examples 1 Resistance value 0.1. 00110.1001k.102100k. 104 0.5. 00518.1802.7k.272680k. 684 1. 010100.10110k.1031M. 105 6.8. 068 390.39122
43、k.2234.7M. 475 Note : Please distinguish 1/4W from 1/6W by the shape of parts used actually. CAPACITORS C : CERAMIC CAP. 3) DD1 x x x x 370, Ceramic capacitor Disc type Temp.coeff. P350N1000, 50V 3 Capacity value 2 Tolerance Examples 2 Tolerance (Capacity deviation) 0.25 pF .0 0.5 pF .1 5 % .5 Toler
44、ance of COMMON PARTS handled here are as follows : 0.5 pF - 5 pF . 0.25 pF 6 pF - 10 pF . 0.5 pF 12 pF - 560 pF . 5 % 3 Capacity value 0.5 pF . 0053 pF. 030100 pF. 101 1 pF . 01010 pF. 100220 pF. 221 1.5 pF . 01547 pF. 470560 pF.561 C : CERAMIC CAP. 4) DK16 x x x 300, High dielectric constant cerami
45、c capacitor Disc type Temp.chara. 2B4, 50V 4 Capacity value Examples 4 Capacity value 100 pF .1011000 pF . 10210000 pF . 103 470 pF .4712200 pF . 222 C: 5) ELECTROLY CAP.( ), 6)FILM CAP ( ) 5) EA x x x x x x 10, Electrolytic capacitor One-way lead type,Tolerance 20% 6 Working voltage 5 Capacity valu
46、e Examples 5 Capacity value 0.1F . 1044.7F . 475 100F .107 0.33F . 334 10F . 106330F .337 1F . 10522F . 2261100F .118 2200F . 228 6 Working voltage 6.3 V .00625 V . 025 10 V .01035 V . 035 16 V .01650 V . 050 6) DF15 x x x 350Plastic film capacitor DF15 x x x 310 One-way type, Mylar 5% 50V DF16 x x x 310Plastic film capacitor One-way type, Mylar 10% 50V 7 Capacity value Examples 7 Capacity value 0.001F (1000 pF) . 102 0.1 F.104 0.0018F. 1820.56 F.564 0.01F. 103 1 F.105 0.015F.
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