Fisher-DTA100-das-sm维修电路原理图.pdf

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1、Service Manual FILE NO. R REFERENCE No. SM5810251 PRODUCT CODE No. 164 065 06 Desktop Audio System DTA-100 (DE) CONTENTS Specifications .1 Laser beam safety precaution.1 Tuner adjustment .2 Exploded view (cabinet and chassis) .3 Parts list . 4 IC block diagram and description.6 IC & Transistor volta

2、ge .8 Schematic diagram .10 Wiring diagram (CD MAIN A SIDE).12 Wiring diagram (CD MAIN B SIDE).13 Wiring diagram (DISPLAY & HEADPHONE) .14 Wiring connection .rear RadioFans.CN 收音机爱 好者资料库 - 1 - Pickup that emits a laser beam is used on this CD section. CAUTION : USE OF CONTROLS OR ADJUSTMENTS OR PERF

3、ORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. LASER OUTPUT. 0.6 mW Max. (CW) WAVE LENGTH . 790 nm LASER BEAM SAFETY PRECAUTION CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL USYNLIG LASER STR

4、LING VED BNING, NR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDG UDS TTELSE FOR STRLING. VARNING OSYNLIG LASER STRLNING NR DENNA DEL R PPNAD OCH SPRR R URKOPPLAD. STRLEN R FARLIG. VORSICHT UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN DECKEL GEFFNET UND WENN SICHERHEITSVERRIEGELUNG BERBRCKT IST. NICHT,

5、DEM STRAHL AUSSETZEN. VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NKYMTTMLLE LASERSTEILYLLE. L KATSO STEESEEN. SPECIFICATIONS (CD PLAYER SECTION) Channels .2 channels stereo S/N ratio .60 dB Wow & Flutter.Below measurable limits Sampling frequency .44.1 kHz Quantization .16 bits linea

6、r/ch Pickup light source .Semi-conductor laser Pickup wave length .790 nm Laser output .Continuous wave max. 0.6 mW (RADIO SECTION) Tuning range .FM : 87.5 - 108 MHz AM : 522 - 1,611 kHz(9 kHz step) (GENERAL SECTION) Power output .AC : 1.5 W/ch (10% T.H.D) Speaker.8 cm x 2, 4ohm Terminal impedance .

7、PHONES : 32 ohms Power source .DC : 9 V (AC adaptor) Dimensions .430 (W) x 150 (H) x 50 (D) mm Weight (approx.).1.5 kg (Without including batteries) This is a basic specifications. Specifications subject to change without notice. RadioFans.CN 收音机爱 好者资料库 - 2 - TUNER ADJUSTMENTS This is a basic adjust

8、ments. Use a plastic screw driver for adjustments. Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter. Set of unit Supply voltage: DC 12V Speaker: 8 ohms Standard output: 50 mW Function switch: RADIO a.PARTS LOCATION b. AM ADJUSTMENTBand switch : AM AdjustingEquipmentS

9、tepGen.Set RadioTo obtain MAX. output adjust. CircuitConnectionfreq.freq. ToMeasurement IF AMConnect Digital Voltmeter to band Collector of Q404 TrackingConnect VTVM and 4 ohm load across speaker terminals. Signal Generator coupled by a loop antenna. Output level must be belowRepeat steps 4 and 5 ob

10、tain Maximum output. reference output. 4 5 6 450kHz1611kHz 603kHz 1404kHz 603kHz 1404kHz 2 3 L703 ant. Coil. TC702 ANT-TRIMMER. 1T702 522kHz522kHz 1611kHz1611kHz T701 (Adjust the voltage to 1.42 +/- 0.2V) Confirm the voltage to 7.05 +/- 0.3V c. FM ADJUSTMENTBand switch : FM AdjustingEquipmentStepGen

11、.Set RadioTo obtain MAX. output adjust. CircuitConnectionfreq.freq. ToMeasurement FMConnect Digital Voltmeter to band Collector of Q404 TrackingConnect VTVM and 4 ohm load across speaker terminals. Signal Generator to ANT. Output level must be below reference output.5Repeat steps 3 and 4 obtain Maxi

12、mum output. T701 (Adjust the voltage to 4 +/-0.2V) Confirm the voltage to 8.1 +/- 0.2V L702(FM RF coil) TC701 ANT-TRIMMER. 87.5MHz 107.9MHz 90.1MHz 106.1MHz 87.5MHz 107.9MHz 90.1MHz 106.1MHz 1 2 3 4 RadioFans.CN 收音机爱 好者资料库 - 3 - EXPLODED VIEW(CABINET & CHASSIS) 1 Y14 Y14 3 9 10 24 24 25 25 26 27 8 1

13、1 12 13 14 15 16 16 17 17 19 20 20 20 22 22 22 21 21 21 23 16 54 54 55 55 71 72 73 Y02 Y02 Y03 Y04 Y05 Y05 Y06 Y07 Y08 Y08 Y08 Y09 Y10 Y10 Y12 Y12 Y12 Y12 Y13 Y13 Y13 Y13 Y13 Y13 Y10 Y11 Y09 Y06 Y02 30 29 28 RadioFans.CN 收音机爱 好者资料库 - 4 - PARTS LIST CAUTION :Regular type resistors and capacitors are

14、not listed. To know those values, refer to the schematic diagram. Regular type resistors are less than 1/4W carbon type and chip resistors. Regular type capacitors are less than 50V and less than 1000F of Ceramic type and Electrolytic type. PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD

15、 BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL ! ! ! IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATIN

16、GS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT TO THE CUSTOMER. REF.NO.PART NO.DESCRIPTION

17、 PACKING & ACCESSORIES REF.NO. PART NO. DESCRIPTION 645 053 4324INSTRUCTION MANUAL 645 053 4331CARTON INNER 645 031 1703POLYBAG 645 045 5636POLY BAG,I/B 645 045 5629POLY BAG,MAIN UNIT 645 045 6770POLYFOAM,SPEAKER PORTECT 645 051 1639POLYFOAM SHEET 645 051 1646POLYFOAM SHEET 645 053 4355CARTON OUTER

18、FOR 4 SE 645 045 6114GIFT BOX HANDLE ! ! ! 645 051 1547AC ADAPTOR 645 045 6732REMOTE CTL,FISHER 645 045 4646ASSY SPK NET B CABINET & CHASSIS REF.NO. PART NO. DESCRIPTION 1645 045 5346CD DOOR LENS 3645 045 4714ASSY CD LID 8645 045 6015METAL COVER,DISPLAY PCB 9645 045 5544CD LID OPEN SPRING 10645 045

19、4684ASSY CABINET FRONT 11645 045 6008GEAR MOUNTING BKT 12645 045 6053GEAR DAMPER,29TO-E 13645 045 5964CD DOOR OPEN KNOB 14645 045 7548DOOR OPEN HOOK 15645 045 5537OPEN KNOB SPRING 16645 042 1532CUSHION RUBBER,CD MECHA 17645 045 6039MECH MTG PLATE A 19645 045 4707ASSY CABINET REAR 20645 045 5353STAND

20、 ADAPTOR,SPK L/R, UNIT 21645 045 5261STAND REAR CAB UNIT/SPK 22645 045 5698STAND RUBBER FOOT NATURE RUBB 23645 051 1455ASSY MOUNTING BAR,SCREW 24645 045 4639ASSY SPK NET A 25645 045 4653ASSY SPK FRONT 26645 053 4812ASSY SPK REAR L 27645 053 4805ASSY SPK REAR R 28645 045 5926CD MECHA TPP33B,KIT 29645

21、 045 5971TOP FUNCTION KNOB 30645 045 5438SENSOR LENS,W/TAPE FIXING PARTS REF.NO. PART NO. DESCRIPTION Y02645 036 5911TAPPING SCR 1.7X4,DISPLAY BD Y03645 045 5513MACHINE SCR 2X3, GEAR TO GEAR MTG BKT Y04645 042 1563TPP SCR 2X4, GEAR MTG BKT TO F CAB Y05645 045 5520FBIRE WASHER,DOOR OPEN HOOK Y06645 0

22、42 1563TPP SCR 2X4, DOOR OPEN HOOK TO F CAB Y07645 045 5469TAPPING SCR 2X6, MECH MTG PLATE TO F CAB Y08645 045 5469TAPPING SCR 2X6, MAIN PCB TO F CAB Y09645 045 5469TAPPING SCR 2X6, JACK PCBTO REAR CAB Y10645 031 3684TAPPING SCR2X10,REAR CAB Y11645 045 5483TAPPING SCR 2X23,REAR CAB Y12645 045 5490TA

23、PPING SCR 3X6,SPK TO SPK F CAB Y13645 045 5506TAPPING SCR 3X20, SPK REAR CAB TO SPK CAB Y14645 045 5551PHOTO LENS SCR NUT,W/NI-PLATED ELECTRICAL-PARTS REF.NO. PART NO. DESCRIPTION 54645 045 5209SPEAKER 3,W/BLACK CAP 55645 045 5902SPEAKER WIRE, W/MONO PLUG SPK L/R DISPLAY P.W.BOARD ASSY REF.NO. PART

24、NO. DESCRIPTION 71614 316 3459ASSY,PWB,DISPLAY(Only initial) D0901645 031 3653DIODE 1N4148 D0902645 031 3653DIODE 1N4148 D0903645 031 3653DIODE 1N4148 D0904645 031 3653DIODE 1N4148 D0905645 031 3653DIODE 1N4148 D0906645 031 3653DIODE 1N4148 D0907645 031 3653DIODE 1N4148 D0908645 031 3653DIODE 1N4148

25、 D0909645 045 5797LED D0910645 045 5797LED D0911645 045 5797LED D0912645 045 5797LED IC901645 045 4905RPM6938-V4 S0901645 045 5155SW TACT,PLAY S0902645 045 5155SW TACT,STOP S0903645 045 5155SW TACT,TU-DN S0904645 045 5155SW TACT,TU-UP S0905645 045 5155SW TACT,MODE S0906645 045 5155SW TACT,PROG S0907

26、645 045 5155SW TACT,PRESET-DN S0908645 045 5155SW TACT,PRESET-UP S0909645 045 5155SW TACT,BAND 645 045 5278DISPLAY BRACKET,037DTA100240AA 645 045 5322BACK LIGHT LENS,037DTA100470AA 645 045 5919LCD DISPLAY,SDT-A232-TP-O TN POS 645 045 6022LCD BRACKET 645 045 6060PVC SPL SHEET 645 045 6091FLEXIBLE WIR

27、E 18P, TO MAIN BD CN401 645 045 6107FLEXIBLE WIRE 19P, TO MAIN BD CN402 645 036 5942TAPPING SCR1.7X2,DISPLAY 645 045 7678ZEBRA CONNECTOR RadioFans.CN 收音机爱 好者资料库 - 5 - PARTS LIST REF.NO. PART NO. DESCRIPTION CD MAIN P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION 72614 320 9515ASSY,PWB,CD MAIN, DOUBLE SI

28、DE(Only initial) B0101645 045 4783BAND PASS FLTER,BPMB6A FM BAND C0001403 366 9104ELECT 220U M 50V,6.3X7MM CF701645 045 4790CERAMIC FILTER,LPU450B CF702645 045 4806CERAMIC FILTER,L10.7MA5-A CF703645 045 4813CERAMIC DISC,JT10.7MG18 CN101645 042 1761HEADER 6P,B6B-ZR CN201645 036 5645HEADER 16P, FFC/DI

29、P TYPE UP W/O LOCK CN401645 045 5940HEADER 18P,FFC/DIP TYPE CN402645 045 5933HEADER 19P,FFC/DIP TYPE D0001645 031 3646DIODE 1N4001,RECTIFIER D0002645 045 4950ZENER DIODE 6V8,MTZ J6.8B/C D0003645 045 4943ZENER DIODE 5V6,MTZ J5.6B/C D0401645 031 3653DIODE 1N4148 D0406645 031 3646DIODE 1N4001,RECTIFIER

30、 D0407645 031 3653DIODE 1N4148 D0408645 031 3653DIODE 1N4148 D0409645 031 3653DIODE 1N4148 D0410645 031 3653DIODE 1N4148 D0411645 031 3653DIODE 1N4148 D0412645 031 3653DIODE 1N4148 D0413645 031 3653DIODE 1N4148 D0414645 031 3653DIODE 1N4148 D0415645 031 3653DIODE 1N4148 D0601645 031 3653DIODE 1N4148

31、 D0602645 031 3653DIODE 1N4148 D0603645 031 3653DIODE 1N4148 D0604645 031 3653DIODE 1N4148 D0605645 031 3653DIODE 1N4148 D0606645 031 3653DIODE 1N4148 D0701645 045 4967DIODE 1SV101,FM VARICAP D0702645 045 4974DIODE 1SV149 B,FM VARICAP D0703645 045 4967DIODE 1SV101,FM VARICAP D0704645 045 4974DIODE 1

32、SV149 B,FM VARICAP D0705645 031 3653DIODE 1N4148 D0706645 045 4981ZENER DIODE 3V,MTZ J3.0A/B D0707645 031 3653DIODE 1N4148 D0708645 031 3653DIODE 1N4148 D0709645 031 3653DIODE 1N4148 D0710645 031 3653DIODE 1N4148 IC001645 045 4851IC KIA78L05BP-AT, POSITIVE VOLTAGE REGULAT IC002645 045 4851IC KIA78L0

33、5BP-AT, POSITIVE VOLTAGE REGULAT IC101645 045 4868IC TA2092N, PWR DRIVE IC FOR CD PLAY IC201645 045 4875IC TA2065F, CD FOCUS TRACKING SERVO IC301645 045 4882IC TC9284BF, CD SINGLE CHIP PROCESSOR IC302645 036 5782IC BA4510F,OPERATIONAL AMP IC401645 045 4929IC TC9314F 049, SINGLE CHIP DIGITAL TUNI IC5

34、01645 045 4844IC TA8227P, LOW FREQUENCY PWR AMP IC601645 045 4899IC TC4052BFN, DIFF 4 CHANNEL MULTI/DEM IC602645 045 4936IC PT2256, DUAL ELECTRONIC VOL CTL IC701645 045 4912IC TA2104AFN, 3V AM/FM 1 CHIP TUNER IC J0401645 031 1208SW PUSH,CD DOOR L0401645 045 4738FIXED INDUCTOR COIL, AL0305-101K-09-S

35、L0402645 045 4738FIXED INDUCTOR COIL, AL0305-101K-09-S L0701645 045 4752FM COIL,FM OSC L0702645 045 4745FM COIL,FM RF L0703645 045 4769AM COIL L0704645 045 4738FIXED INDUCTOR COIL, AL0305-101K-09-S Q0001645 045 5001TR 2SB892,PNP Q0002645 045 5087TR DTC114ES,NPN Q0003645 045 5094TR KTC3205Y,NPN Q0004

36、645 045 5001TR 2SB892,PNP Q0005645 045 5087TR DTC114ES,NPN Q0006645 045 5049TR 8050C,NPN Q0201645 045 5070TR KTA1266Y,PNP Q0401645 045 5032TR 9014C,NPN Q0402645 045 5032TR 9014C,NPN Q0403645 045 5100TR KTC3199L GR,NPN Q0404645 045 5100TR KTC3199L GR,NPN Q0405645 045 5032TR 9014C,NPN Q0501645 045 503

37、2TR 9014C,NPN Q0502645 045 5032TR 9014C,NPN Q0601645 045 5032TR 9014C,NPN Q0602645 045 5032TR 9014C,NPN Q0603645 045 5087TR DTC114ES,NPN Q0604645 045 5087TR DTC114ES,NPN Q0701645 045 5025TR 9018G,NPN Q0702645 045 5063TR 8550C,PNP Q0703645 045 5087TR DTC114ES,NPN Q0705645 045 5087TR DTC114ES,NPN Q070

38、6645 045 5087TR DTC114ES,NPN Q0707645 045 5087TR DTC114ES,NPN Q0708645 045 5056TR C1815GR,NPN Q0709645 045 5056TR C1815GR,NPN Q0710645 045 5018TR 2SK118,FET S0401645 045 5162SW TACT,TS3100114C POWER S0402645 045 5162SW TACT,TS3100114C FUNCTION S0403645 045 5162SW TACT,TS3100114C CLOCK S0404645 045 5

39、162SW TACT,TS3100114C SLEEP S0405645 045 5162SW TACT,TS3100114C TIMER S0406645 045 5162SW TACT,TS3100114C SNOOZE S0407645 045 5162SW TACT,TS3100114C VOL - S0408645 045 5162SW TACT,TS3100114C VOL + S0409645 045 5162SW TACT,TS3100114C X-BASS T0701645 045 5131AM OSC COIL,AM OSC 005-044P T0702645 045 51

40、24AM IFT COIL,106-088 T0703645 045 5117DC-DC CONVERTER,7E6-1042 TC701645 045 4837TRIMMER 10PF,CVN610 TC702645 045 4837TRIMMER 10PF,CVN610 VR201645 045 5193SEMI-FIXED,EVND8AA03B X0301645 045 4820CERAMIC RESONATOR X0401645 045 5216CRYSTAL 645 045 5957HEAT SINK,FOR IC501 645 045 5759SHIELD WIRE AWG32,2

41、C UL2851 645 045 5780COPPER WIRE,FOR C714 645 045 5414SPONGE,FOR L701, L702 645 045 4592ASSY BAR ANT 645 045 4776FERRITE BAR,FOR L703 645 045 5223ANT BRACKET,037DM9096990AA RadioFans.CN 收音机爱 好者资料库 - 6 - IC BLOCK DIAGRAM & DESCRIPTION IC201 TA2065 (CD FORCUS TRACKING SERVO) 38373635343332313029282726

42、25 24 23 22 21 20 19 18 17 16 15 39 40 41 42 43 44 45 46 47 48 1234567891011121314 3 STATE DET DM FMS TS2 TS1 TS TP ADD BOTTOM PEAK RFRP RF RFBF VR 2VR FE FS FSOSC MD LD TPO TPI TNI TNO FNI FPI LDO MDI RFN RFT DMEO DMEN DMEP SEL Vcc GND OSCI COSC FSO FSN TEL2 TEL1 TSO TS1P TS1N TS2P TS2N TS2D THLD F

43、MSP FMSN FMSO DFCT RFO RFI VRO ZVRO RFRP SBAD DFIN FEP FEN FEO FE1 FHLD FEL1 FEL2 TSN 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 85 64 63 12345678910 11 12 1314 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 31 32 33 34 35 36 37 38 39 40 41424344454647484950515253545556575859606162 30 Correction Syst

44、em Timing Generator Control Date Bus Interface Q Data RAM Subcode Demodulation Clock Generator DA Converter Digital OutCorrection Circuit 16k RAM Servo Status Signal Generating Circuit Address Circuit Sync Separation ACircuit EFM Demodulation Circuit Correction Output Circuit Audio Output Internal S

45、tatus PLL CircuitData slicer Tmax Detection Circuit CLV Servo Circuit AD Converter Forcus/ Tracking Servo Tracking Search Control Circuit TESTX HS GNDD SPDA COFS WDCK CHCK BCK AOUT EMPH DOUT TEST2 VDDX X1 X0 GNDX TGUH2 DMPC DMFC DMON TEST FMFB TEST1 FMON TKIC TGUH1 TGUL TEL1 TEL2 DFCT GNDD VDDD PDCN

46、T VCOF LPFO LPFN TMAX PDO VDDA DTSC1 MONIT DTSC2 GNDA RF1 VREF RFRP SBAD TEOF TESH FE1 FEL1 FEL2 FKIC FCSI SEL 2VREF TEST3 TEST4 TEST5 GNDA SBCK GNDA RO RO VDA LO LO VDDD GNDD BUS0 BUS1 BUS2 BUS3 CCE BUCK PFCK RST SUBSYC SUBD CLCK IC301 TC9248 (CD SINGLE CHIP PROCESSER) PARTS LIST IC302 BA4510F (OPE AMP) IC401 TC9314F (DIGITAL TUNER) IC101 TA2092 (POWER DRIVE) 123456789101112 242322212019181716151413 -+-+ -+-+ PW GNDPW GND VIN1 OUT + 1 PVCC1 OUT - 1 VRI VCI OUT - 2 PVCC2 OUT + 2 VIN