Teac-MC-DX20-Service-Manual电路原理图.pdf

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1、PC board shown are viewed from parts side. The parts with no reference number or no parts number in the exploded views are not supplied. As regards the resistors and capacitors, refer to the circuit diagrams contained in this manual. Parts marked with this sign are safety critical components. they m

2、ust be replaced with identical ensure exact replacement. ! components - refer to the appropriate parts list and MICRO Hi-Fi SYSTEM 2 SPECIFICATIONS 4 4 EXPLODED VIEW AND PARTS LIST 5 PC BOARDS AND PARTS LISTS 6 WIRING DIAGRAM 7 INCLUDED ACCESSORIES 3 ADJUSTMENT AND CHECKS 3 11 19 21 T/C: USA/CANADA

3、- CD-X8/MC-DX20B Parts of mark can be used only with the version designated. 1 SAFETY INFORMATION . 2 6 EX/M: S. AMERICA - MC-DX20S RadioFans.CN 收音机爱 好者资料库 1 SAFETY INFORMATION 2 CD-X8/MC-DX20 USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY HAZARDOUS

4、RADIATION EXPOSURE.RESULT IN SAFETY INFORMATION This product has been designed and manufactured according to FDA regulations title 21, CFR, chapter 1,subchapter J,based on The Radiation Control for Health and Safety Act of 1968 and is classified as class 1 laser product. There is not hazardous invis

5、ible laser radiation during operation because invisible laser radiation emitted inside of this product is completely confined in the protective housings. The label required in this regulation is shown . 1 CAUTION DO NOT REMOVE THE PROTECTIVE HOUSING USING SCREWDRIVER. IF THIS PRODUCT DEVELOPS TROUBL

6、E, MAKE A CONTACT WITH OUR SERICEMAN, AND DO NOT USE THE PRODUCT A TROUBLED Optical pickup: Type : CMS-M95BG6 Laser output : Less than 0.5 mW on the objective lens Wavelength : 760 -800 nm Manufacturer : Samsung Electro-Mechanic STATE. 1 FOR U.S.A. XXXX AUDIO PRODUCT LISTED R RadioFans.CN 收音机爱 好者资料库

7、 2 SPECIFICATIONS Amplifier Section Output Power (L+R)5W + 5W Tuner Section (FM) Frequency Range87.5 MHz to 108.0 MHz Input Sensitivity300mV Output Power Subwoofer: 15 W Frequency Response :50 to 20,000 Hz Sensitivity (S/N30dB)20dBuV/m Tuner Section (AM) Frequency Range520 to 1710 kHz Sensitivity (S

8、/N20dB)54dBuV/m CD Player Section Frequency Responce20 to 20,000 Hz (+/-1dB) Signa-to-Noise Ratio55 dB L & R speaker : SPEAKER SYSTEM Section Impedance : Subwoofer: 4 ohms Type :Full range flat type 8 ohms Wow and FlutterUnmeasurable Impedance : Design and specifications are subject to change withou

9、t notice. Illustrations may differ slightly from production models. Weight and dimensions are approximate. CD-X8/MC-DX20 3 3 Power Requirements: 120V AC, 60Hz - (USA/Canada model) GENERAL Dimension (W x H x D ): Weight: (net) Standard Accessories: Main Unit 160 x 226 x 86 mm Main Unit 0.96 kg Power

10、Consumption:80 W L & R Speaker 140 x 226 x 61mm Speaker Cable x 2 Subwoofer 160 x 234 x 330mm L & R Speaker 0.6 kg(each) Subwoofer 5.3 kg AM Antenna x 1 FM Antenna x 1 Battery for Remote Control x 1 Wall Mount Adaptor x 3 Remote Control Unit (RC-962) x 1 Wall Mount screw x 10 Subwoofer Cable x 1 Tap

11、e Plastic Wall Anchor x 10 Template for Wall Mounting x 1 Owner s Manual x 1 Warranty Card x 1 120/230V, AC,50-60 Hz (General export model) 3 ADJUSTMENTS AND CHECKS Use a screwdriver with a plastic or ceramic grip for all adjustment. 3-1 TUNER SECTION 1. Set the function switch to the AM position. 2

12、. Connect the test loop antenna across the output of the signal generator. 3. Connect the oscilloscope to the speaker terminal. 4. Set the signal generator as listed in the alignment chart. 3-1-2 AM adjustment 1. Set the function switch to the FM position. 2. Connect the signal generator output thro

13、ugh a 75 ohm dummy 3. Connect the oscilloscope to the speaker terminal. 4. Set the signal generator as listed in the alignment chart. 3-1-1 FM adjustment antenna to ANT on MAIN PCB. 3-2 Adjustment and Test Points 4 CD-X8/MC-DX20 CD-X8/MC-DX20 MAIN(TUNER) PCB T205 L201 T204 SVC202 L202 SVC201 T203 T2

14、06 3-2-1 FM/AM alignment chart ITEMADJUSTMENT POINTADJUSTMENTSG SETTINGTUNER SETTING 2. FM band 3. Tracking 3. Tracking 106MHz 106MHz Repeat step 3 87.5MHz 87.5MHz 1kHz, +/-22.5kHz dev. 1kHz, +/-22.5kHz dev. L202 SVC201 FM Adjust for max. output and best waveform. 1. IF adjustment 2. AM band 455kHz

15、600kHz 1400kHz 1kHz, 30% mod 1kHz, 30% mod 1kHz, 30% mod 1kHz, 30% mod T203 AM Center for max. output. Adjust for max. output and best waveform. 3-3 CD SECTION Auto alignment. AM ant coil (T204) 520kHz 600kHz 1400kHz 1710kHz 90MHz 90MHz 1kHz, +/-22.5kHz dev. L201 T206 Repeat step 3 SVC202 CD-X8/MC-D

16、X20 5 1.IFT adjustment 10.7 MHz 1kHz, +/-22.5kHz dev. T205108MHz With 10.7 MHz at zero crossover 520kHz CD-X8/MC-DX20 1 1 1 1 2 2 3 3 4 4 6 6 7 7 9 9 5 5 11 11 12 12 12 12 12 12 13 13 14 14 15 15 16 16 16 16 17 17 19 19 20 20 18 18 21 21 22 22 23 23 25 25 24 24 26 26 27 27 29 29 30 30 28 28 31 31 32

17、 32 33 33 34 34 35 35 36 36 37 37 3939 4040 3838 41 41 42 42 43 43 43 43 44 44 45 45 46 46 47 47 49 49 50 50 50 50 48 48 51 51 52 52 52 52 52 52 53 53 53 53 53 53 54 54 54 54 55 55 5656 1010 1010 6 4 EXPLODED VIEWS AND PARTS LIST EXPLODED VIEW - 1 8 5858 5757 5959 1-2 1-3 1-4 1-5 REF. NO EXPLODED VI

18、EW-1 PARTS NO.DESCRIPTION 56-78DX0151G000CD DOOR CHROME RING 56-07DX0155A000FULL WALL PLATE-SPEAKER - (SILVER) CD DOOR LENS56-57DX01510000 1-1 7 CD-X8/MC-DX20 61-68DX01500020CD ALUM COVE DIA 68MM REMARKS 19-50DX01500001SPEAKER BOX ASSY (CD-DX8) 19-50DX01500020SPEAKER BOX ASSY (MC-DX20B) T/C 19-50DX0

19、1500030 SPEAKER BOX ASSY (MC-DX20S) EX/M CD DOOR OPEN KNOB (SILVER)56-53DX0150A010 1-7 1-8 1-9 1-10 1-6 1-12 1-13 1-14 1-15 1-11 1-17 1-18 1-19 1-20 1-16 1-22 1-23 1-24 1-25 1-21 1-26 CD KNOB GROUP (SILVER) 56-07DX01539000CD BRACKET 56-24DX01500000CD DOOR GEAR REAR CABINET (SILVER) 56-04DX0150A010FR

20、ONT CABINET - (CD-X8) 56-53DX0151A000 56-14DX0150A010CD DOOR - (CD-X8) 1-27 1-28 1-29 1-30 1-31 1-32 1-33 1-34 POWER KNOB-UNIT (SILVER)56-54DX0151A010 REMOTE LENS56-57DX01532000 DISPLAY LENS56-57DX01540010 KNOB RING-L56-57DX01559000 KNOB RING-R56-57DX01569000 DOOR MOTOR PULLY56-760000000020 56-07DX0

21、1569000REMOTE BRACKET 56-07DX01589000RUBBER HOLDER 56-22DX0151B000LASER COVER 1-35 1-36 1-37 1-38 58-43DX01500020DRIVE BELT DIA 31X1MM 58-44DX01500020MOTOR 3V 58-61EX0M108120SHOCK ABSORBER - GREY 58-61MC23500020SHOCK ABSORBER (GREY) AC112-SI-20C 58-61MC23500120SHOCK ABSORBER- BLACK 61-11DX01500320MO

22、TOR BRACKET 61-80DX01500020FERRM SHAFT 155X3MM 05-05DX01500000KEY/DISPLAY PCB ASSY 05-01DX01500000MAIN(TUNER) PCB ASSY 05-09DX01500000HP/AUX JACK PCB ASSY 05-30DX01500000CD(MP3) PCB ASSY (CD-X8) 05-30DX01510000CD(MP3) PCB ASSY (MC-DX20) 20-70CMSM95B00CD MECH. (SAMSUNG) CMS-M95BG6 56-04DX0150B010FRON

23、T CABINET - (MC-DX20B) T/C 56-05DX0150B010REAR CABINET (BLACK) 56-14DX0150B010CD DOOR - (MC-DX20B) T/C 57-08DX01500020CD DOOR PVC PLATE 68-122301600400FIBRE WASHER 3X6X0.4MM 48-23DX0150022A 58-58DX01500420RUBBER RING D5.4X3X1MM 48-23DX01500220 CLOSE SW PCB ASSY OPEN SW PCB ASSY 68-152402160300PVC WA

24、SHER D4X1.6X0.3MM STRAP GEAR 56-24DX01510000 1-39 1-40 1-41 58-58DX01500620RUBBER RING D5.4X3X1.5MM 56-07DX0155B000FULL WALL PLATE-SPEAKER - (BLACK) 56-14DX0150A020CD DOOR - (MC-DX20S) EX/M 56-04DX0150A020FRONT CABINET - (MC-DX20S) EX/M 56-54DX0151B010POWER KNOB-UNIT (BLACK) 56-53DX0151B000CD KNOB G

25、ROUP (BLACK) 56-53DX0150B010CD DOOR OPEN KNOB (BLACK) 56-05DX0150A020 REF. NO EXPLODED VIEW-1 PARTS NO.DESCRIPTIONREMARKS 56-07DX01579000DISPLAY BRACKET 56-57DX01520000BACK LIGHT LENS-UNIT 57-262392590020FILTER SHEET1-45 1-46 1-47 1-48 1-49 1-50 1-51 1-52 1-53 1-54 1-55 1-56 66-120320130321SCREW MS/

26、PH 2X3MM 66-120526160321SCREW MS/KH 2.6X6MM SCREW TA/BH 2.6X8MM66-140226180321 SCREW TA/PH 2.6X8MM66-140226180321 FERRM PLATE - HOLE (LOWER SIDE)61-11DX01500121 61-11DX01500021FERRM PLATE - SCREW HOLE (UPPER SIDE) 66-140220160321SCREW TA/BH 2X6MM 66-140526210321SCREW TA/KH 2.6X10MM 66-140226210321SC

27、REW TA/BH 2.6X10MM CD-X8/MC-DX20 8 56-07DX0154A000FULL WALL PLATE - UNIT (SILVER) 58-263102300520RUBBER FOOT 1-42 1-43 1-4413-05DX01500020LCD DISPLAY 56-07DX0154B000FULL WALL PLATE - UNIT (BLACK) 1-57 1-58 1-59 66-11DX01500420 66-11DX01500520 FERRM PLATE (C) 33X108X2MM (LOWER SIDE) FERRM PLATE (D) 2

28、7X108X2MM (UPPER SIDE) 66-120226210321SCREW MS/BH 2.6X10MM CD-X8/MC-DX20 EXPLODED VIEW 2 1 1 2 2 3 3 4 4 6 6 7 7 8 8 8 8 9 9 5 5 11 11 12 12 13 13 14 14 15 15 16 16 17 17 19 19 20 20 18 18 21 21 22 22 23 23 23 23 25 25 25 25 24 24 24 24 26 26 27 27 29 29 30 30 28 28 31 31 32 32 33 33 33 33 33 33 33

29、33 34 34 34 34 34 34 34 34 35 35 36 36 37 37 3939 3939 3939 3939 4040 3838 3838 1010 9 41 REF. NO EXPLODED VIEW-2 PARTS NO.DESCRIPTIONREMARKS 2-4 2-5 2-6 2-7 2-8 2-9 2-11 2-12 2-13 2-14 2-15 2-16 2-17 2-18 2-1 61-48DX01500020HEAT SINK - A 2-2 2-3 2-10 2-19 2-20 05-07DX01500000SUBWOOFER POWER PCB ASS

30、Y - T/C 05-08DX01500000RCA/D-S JACK PCB ASSY 61-11V820010020PCB FIX BRACKET 41-193220000010POWER SWITCH 43-500000002020AC CORD BUSHING 05-07DX01500001SUBWOOFER POWER PCB ASSY - EX/M 56-78DX0150G000CHROME RING-SUBWOOFER BOX 56-58EX0M500010BADGE LOGO (M01241802A) BADGE LOGO (3M01241801A)56-58EX0M11800

31、0 56-85DX0150B010SUBWOOFER PANEL - BLACK 56-85DX0150A010SUBWOOFER PANEL - SILVER 56-57DX01509000LIGHT LENS-SUBWOOFER BOX 48-16DX01500220LED PCB 56-54DX0150A000POWER KNOB-SUBWOOFER BOX 56-07DX01508000BRACKET A-SUBWOOFER BOX 58-58V820000020WOOFER RUBBER 56-07DX01518000BRACKET B-SUBWOOFER BOX 56-07DX01

32、528000BRACKET C-SUBWOOFER BOX 56-22DX01508000PCB COVER 61-11V600000020PCB BRACKET SCREW TA/BH 3X12MM66-140230212321 66-120230160121SCREW MS/BH 3X6MM HARDEN SCREW BT/TB 3X8MM66-150230180123 67-021400000020NUT M4MM 66-140230210321SCREW TA/BH 3X10MM METAL WASHER 4X10X1MM68-112403101000 66-120240212121S

33、CREW MS/BH 4X12MM 66-140226210321SCREW TA/BH 2.6X10MM 2-21 SCREW TA/PH 3.6X16MM66-141136216121 19-033153300120SUBWOOFER 5.25 -INCHES 30W 56-87DX0150B010PLASTIC TUBE 58-73DX01500020SUBWOOFER BOX - SILVER 2-22 2-23 2-24 2-25 2-26 2-27 2-28 2-29 2-30 58-263253150020RUBBER FOOT 18-203DX0150120TRANSFORME

34、R E166 120V T/C 18-208DX0150120TRANSFORMER E166 120/230V EX/M 61-33DX01500021SUBWOOFER REAR PANEL (CD-X8) 61-33DX01500520SUBWOOFER REAR PANEL (MC-DX20B) T/C 61-33DX01500320SUBWOOFER REAR PANEL (MC-DX20S) EX/M 58-58DX01500120CUSHION - LONG 58-58DX01500220CUSHION - SHORT 58-58DX01500520CUSHION SPEAKER

35、 2-31 2-32 2-33 2-34 2-35 2-36 66-140230212321SCREW TA/BH 3X12MM 2-37 2-38 2-39 2-40 66-141430220121SCREW TA/BWH 3X20MM ! ! ! 10 CD-X8/MC-DX20 58-58DX01500320CUSHION 106X40X1MM 45-114180310061AC LINE CORD CUL APP 41-171512000010VOLTAGE SELECTOR SL-15-12AJC31A2-41 58-73DX01500120SUBWOOFER BOX - BLACK

36、 5 PC BOARDS AND PARTS LIST MAIN (TUNER)PCB ASSY REF. NOPARTS NO. 48-01DX01500221 MAIN(TUNER) PCB ASSY DESCRIPTION CF205 CF203 CF201 CF206 FILTER CDA10.7MG46-A31-038107020110 FILTER SFU450B31-026450010110 31-028107000120FILTER LT10.7MA5 31-046456000220RESONATOR ZTB456F15 05-01DX01500000 MAIN(TUNER)

37、PCB D8 IC202 D708 IC201 IC501 D201,202,705 IC702 IC203 IC703 RECTIFIER DIODE 1N5822 IC - LA1832 12-1N5822000021 16-LA1832000021 12-1N4001000021DIODE 1N4001 IC - TA8176SN16-TA8176SN0021 IC - LC7534216-LC7534200021 DIODE 1N414812-1N4148000021 16-MC34063A0021IC - MC34063A 16-LC7213100021IC - LC72131 16

38、-SC1308000021IC - SC1308-01 L201,20340-351500135020FM COIL 5X3.5TX0.8MM 40-351500125020FM COIL 5X2.5TX0.8MML202 L20438-014100050020AXIAL INDUCTOR 100UH L404,40638-013100050220AXIAL INDUCTOR 10UH L70138-104230050020CHOKE COIL 230UH L70238-103200050020CHOKE COIL 20UH T20340-02A049004020IFT 7MM A049 -

39、YELLOW T20540-027400003120IFT 7MM 740 - ORANGE T20440-023120000020IFT 7MM 312A - BLACK T20640-02660R002020IFT 7MM 660R - RED Q201-203,501,502, Q705,706,715 11-9014C0000021TR - 9014C Q204,70111-9015C0000021TR - 9015C Q401,703,71611-8050C0000021TR - 8050C Q70411-KSB772YS0021TR - KSB772SY Q712,71311-85

40、50C0000021TR - 8550C SVC201,20227-501802201020TRIMMER 20PF VD201,20212-1SV101000021VARICAP DIODE 1SV-101 VD203,20412-1SVC14900021VARICAP DIODE 1SV-149 ZD20112-011560320121ZENER DIODE 5.6W ZD40112-011470320121ZENER DIODE 4.7V ZD70112-012110320121ZENER DIODE 11V ZD70212-011910320121ZENER DIODE 9.1V CN

41、20343-022250120120WAFER 2.5MM 2PIN 43-012200160120WAFER 2MM 6PINCN201 CN504 CN505B 43-012200180120WAFER 2MM 8 PIN 43-012200140120WAFER 2MM 4 PIN CN501,505A,70243-012200130120WAFER 2MM 3 PIN CN50343-012200150120WAFER 2MM 5 PIN 43-462103003120D-S TERMINAL #DSW-07CN1 Q70216-LM78L05A0021IC - LM78L05A X2

42、0131-017450002010CRYSTAL 4.5 MHZ REMARKS 11 CD-X8/MC-DX20 CD-X8/MC-DX20 12 MAIN(TUNER) PCB IC703 CD(MP3) PCB ASSY - TOP REF. NODESCRIPTIONPARTS NO. 05-30DX01500010CD(MP3) PCB ASSY (CD-X8) CD(MP3) PCB ASSY (MC-DX20) 48-30DX01501321CD(MP3) PCB (CD-X8) IC216-S1L9226X0021IC - S1L9226X01 IC416-S5L9279000

43、21IC - S5L9279X01 IC716-S3P825A00421IC - S3P825A (CD-X8) IC916-KA9259D00021IC - KA9259D CD(MP3) PCB ASSY - BOTTOM REF. NODESCRIPTIONPARTS NO. D712-1N5819000021RECTIFIER DIODE 1N5819 D1-5,9,10,55,56, D66,67,71-73,80 12-1N4148000021DIODE 1N4148 D59,7012-1N4148000021DIODE 1N4148 (CD-X8) D6,8,1212-01139

44、0320121ZENER DIODE 3.9V Q1,7,9,1011-9015C0000021TR - 9015C Q2,3,4,811-9014C0000021TR - 9014C Q511-8550C0000021TR - 8550C X131-018169302220CRYSTAL 16.9344MHZ. X231-015320003310CRYSTAL 32.768KHZ X331-017800002120CRYSTAL 8.000MHZ L1,2,338-013100050020AXIAL INDUCTOR 10UH ! CN243-022100216020F.F.C WAFER

45、1MM 16 PIN CN343-012150160320WAFER 1.5MM 6 PIN CN443-022200120120WAFER 2MM 2 PIN CN5,943-022200130120WAFER 2MM 3 PIN C5626-017220650121E.CAP 2200UF/10V ! IC8IC - SDRAM16M (MC-DX20) 05-30DX01510000 16-M12L16160021 48-30DX01500321CD(MP3) PCB (MC-DX20) REMARKS REMARKS 16-S3P825A00221IC - S39825AXZZ (MC

46、-DX20) 13 CD-X8/MC-DX20 CD-X8/MC-DX20 14 CD(MP3) PCB - TOP CD(MP3) PCB - BOTTOM REF. NOPARTS NO.DESCRIPTION SUBWOOFER POWER PCB ASSY 05-07DX01500000SUBWOOFER POWER PCB ASSY (CD-X8) (MC-DX20B) T/C 48-07DX01500121SUBWOOFER POWER PCB CN143-012250130120WAFER 2.5MM 3 PIN CN243-012200190120WAFER 2MM 9 PIN

47、 CN443-012250150120WAFER 2.5MM 5 PIN CN543-012250140120WAFER 2.5MM 4 PIN CN643-012250120120WAFER 2.5MM 2 PIN C70126-017470850121E.CAP - 4700UF/25V C718,71926-017100750121E.CAP - 1000UF/16V C40626-017470950111E.CAP - 4700UF/35V D401-40412-1N5401000021RECTIFIER DIODE 1N5401 D701-70412-RL2020000021RECT

48、IFIER DIODE RL-202 D70512-1N4148000021DIODE 1N4148 D70612-1N4001000021RECTIFIER DIODE 1N4001 FU2,346-055350200010GLASS FUSE 3.5A/125V (CD-X8) (MC-DX20B) T/C GLASS FUSE T4A/125V (CD-X8) (MC-DX20B) T/C46-055400200010FU4 Q301,70911-9014C0000021TR - 9014C Q707,70811-2SD1936T0021TR - 2SD1936T U116-TA8216H00021IC - TA8216H U2 16-BA4558N00021IC - BA4558N U316-BA5417000021IC - BA5417 ZD1,212-011910320121ZENER DIO