Teac-T-1D-Service-Manual电路原理图.pdf

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1、T T- -1 1D D SERVICE MANUAL AM/FM Stereo Tuner Effective : December, 2002S-0075A CONTENTS 1 SPECIFICATIONS 2 2 ADJUSTMENTS AND CHECKS 3 3 EXPLODED VIEWS AND PARTS LIST 6 4 PC BOARDS AND PARTS LIST 8 NOTES PC boards shown are viewed from parts side. The parts with no reference number or no parts numb

2、er 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 must be replaced with identical components - refer to the appropriate parts list and ensure exa

3、ct replacement. RadioFans.CN 收音机爱好者资料库 1 SPECIFICATIONS 2 FM Tuner Section (Without notes 98 MHz, 65 dBf) Tuning Range: 87.5 MHz 108.0 MHz (50 kHz steps) Usable Sensitivity (IHF): Mono: 11.2 dBf 50 dB Quieting Sensitivity: Mono: 15 dBf Stereo: 20 dBf Total Harmonic Distortion (1 kHz): Mono: 0.4% St

4、ereo: 0.5% Frequency Response: 30 Hz 15 kHz, +1/ 1.5 dB Stereo Separation (1 kHz): 40 dB Signal-to-Noise Ratio: Mono: 72 dB Stereo: 70 dB AM Tuner Section Tuning Range: 522 kHz 1,620 kHz (9 kHz steps) Usable Sensitivity: 55 dB/m Total Harmonic Distortion: 0.8% at 85 dB/m Signal-to-Noise Ratio: 45 dB

5、 at 85 dB/m General Power Requirements: 230 V AC, 50 Hz Power Consumption: 8 W Dimensions (W x H x D): 435 x 102 x 270 mm Weight (net): 3.6kg Standard Accessories: AM Loop Antenna x 1 FM Lead-type Antenna x 1 Power Control Cord x 1 Improvements may result in specifications and features changing with

6、out notice. RadioFans.CN 收音机爱好者资料库 2 ADJUSTMENTS AND CHECKS 3 ALIGNMENT INSTRUCTIONS EQUIPMENT NEEDED: AM Signal Generator FM Signal Generator Oscilloscope VTVM(AC, DC) Test loop antenna (AW Adjustment) Dummy antenna (FM Adjustment) Stereo signal modulator Frequency counter Distortion analyser IMPO

7、RTANT 1. Check power-source voltage. 2. Set the function switch to band aligned. 3. Keep the signal input as low as possible to adjust accurately. 4. Modulation and modulation frequency. Item ModulationModulation frequency Band AM30%400Hz FM100%(75KHz Dev.)400Hz ADJUSTMENT POINT MAIN PCB T2 T3-2 T4

8、T5 TVR5 TVR4 TVR2 TVR1 TVR3 T1 TVC1 TVC2 TP1 L2 RF1 P5 P6 T1 T3-1 4 1.AM TRACKING VOLTAGE ADJUSTMENTS DC VOLTMETER. CONNECT TO TEST POINT P5 and GND NO.BandFrequencyAdjust forAdjustment 1AM603KHz2.2VT1 2AM1620KHz9.0VTVC1 2.AM RF ADJUSTMENT Signal Generator. Connects to the AM ANT. Coil through the l

9、oop antenna. Adjust for the indication of VTVM of the wave form of scope to be maximum. BANDStepFrequencyAdjust forAdjustment 1630KHzMaximum sensitivityL2, T2 21422KHzMaximum sensitivityTVC2 3Repeat steps 1 and 2 several times. AM NO.FrequencyAdjust forAdjustment 197.8MHzL rejectionT4 2 P5 GND 397.8

10、MHz 97.8MHz TVR3 T5 L, R rejection R rejection 3.FM 19kHz REJECTION ADJUSTMENT 5 4.FM MONO DISTORTION ADJUSTMENT DC VOLT METER.Connect to TP1(-), TP1(+) Through the choke coll (100 H) Signal Generator.Connect to FM ANT Jack (FM IN) through the dummy. Distortion Meter.Connect to the output. NO.Freque

11、ncyAdjust forAdjustment 197.8MHzDC Voltmeter 0VT3-1 297.8MHzMinimum T.H.DT3-2 3 5.FM/AM AUTO STOP LEVEL ADJUSTMENT FM SIGNAL GENERATOR .Connect to FM ANT Jack (FM IN) through the dummy AM SIGNAL GENERATOR.Connect to AM ANT, Coil through the Loop antenna BANDSTEPSIGNAL GENERATORAdjust forAdjustment 1

12、97.8MHz 16dBDisplay ONTVR1 1630KHz 74dBDisplay ONTVR2AM FMTUNED TUNED 4Repeat steps 1 and 2 Several times. 97.8MHzMinimum T.H.DT1 TP1(-) TP1(+) NO.FrequencyAdjust forAdjustment 197.8MHzL separationTVR5 297.8MHzTVR4R separation 6.FM SEPARATION ADJUSTMENT 6 1 2 3 4 5 6 7 8 9 0 q w e r t y u i o p a s

13、d f g 3 EXPLODED VIEWS AND PARTS LIST 7 EXPLODED VIEW LIST REF.NO.PARTS NO.DESCRIPTIONREMARKS 1 9A09523500FACE PLATE 75L950W0269* 2 9A09503000WASHER,POWER85A716* 3 9A09524400WASHER85A717* 4 9A09523900KNOB,POWER PUSH 80KB456* 5 9A09230300ACRY 85A398* 6 9A09524000KNOB,PUSH 11P 80KB457* 7 9A09230200ACR

14、Y 85A636* 8 9A09524100KNOB,PUSH 6P 80KB458* 9 9A09524200KNOB,PUSH 80KB459* 10 9A09524300KNOB,PUSH 80KB460* 11 9A09523600FRONT PLATE 78C287200000 12 9A09525250KEY PCB ASSY T1DB4230* 13 9A09503700FOOT CUSHION 81AD289* 14 9A09230000BOTTOM PLATE78C266200000 15 9A09231700BRACKER,U-TYPE 78C206000000 16 9A

15、09525150POWER PCB ASSY T1DB3852* 17 9A09523800UPPER COVER 78C287300000 18 9A09525050TUNER PCB ASSY T1DB3850* 19 9A09529600B4231 PCB ASSY 60B4231* 20 9A09231500BUSHING,SB4F-4 98BSB4F4* 21 9A09503900AC CORD654H2E20B21S 22 9A09231300HOLDER,ANT 85A271* 23 9A09523700REAR PLATE 78C2839W0350 24 9A09502600E

16、ND CAP LIFT 76H670000000 25 9A09502700END CAP RIGHT 76H671000000 F1,F2 9A09231900FUSE,0.5A/250V T 265200P521TQ F3 9A09232000FUSE,0.1A/250V T 265200P121TQ INCLUDED ACCESSORIES REF.NO.PARTS NO.DESCRIPTIONREMARKS 9A09146800OWNERS MANUAL 9904T1D* 9A09525500FM 75 OHM ANT 64T0005* 9A09233800LOOP ANT 64LA7

17、5* 8 4 PC BOARDS AND PARTS LIST B4230/B4231 PCB B3850 PCBB3852 PCB KEY PCB ASSY REF.NO.PARTS NO.DESCRIPTION 9A09525250KEY PCB ASSY B4230 9A09529500KEY PCB B4230 9A09529300CONNECTOR,ED-G14 2P 9A09529400CONNECTOR,ED-G15 2P D1,D2 9A09237300DIODE,1N4148 IR1 9A09247100INFERRED RECEIVER,IR-9G J1 TO J2 9A0

18、9247800CONNECTOR,ED-491 7P J2 TO J3 9A09247700CONNECTOR,ED-E67 8P J3 TO J8 9A09528500CONNECTOR,ED-F25 2P Q3 9A09240800TR,2SA965 Q4 9A09240500TR,2SC1815BL Q5 9A09511100TR,2SC2240 R2 9A09246800R,NETWORKS 10KX4 5P4R R9 9A09528600R,NETWORKS 10KX6 7P6R R25,R26 9A09246700R,NETWORKS 10KX7 8P7R SW1-SW19 9A0

19、9247000TACT SW,SKHVBK3710 SW21-SW23 9A09247000TACT SW,SKHVBK3710 U1 9A09528800IC,BU1923 U2 9A09246500IC,TMP87PM78F U3 9A09528900IC,74HC74DT U4 9A09246900IC,93C66 U6 9A09518900IC,TMP87CH47U U7 9A09529000IC,74HC04DT U45 9A09247200FL TUBE,25U39167TAN X1 9A09529100CRYSTAL,8MHZ 49US X3 9A09529200CRYSTAL,

20、4.332MHZ 49US B4231 PCB ASSY REF.NO.PARTS NO.DESCRIPTION 9A09529600B4231 PCB ASSY 9A09529500KEY PCB B4230 J5 9A09244800WAFER,5045-2P J6 9A09529700PHONE JACK J7 9A09244600TERMNAL GND,K-15 TUNER PCB ASSY REF.NO.PARTS NO.DESCRIPTION 9A09525050TUNER PCB ASSY B3850 9A09245200PCB,B3850/B3852/B3853 C95 9A0

21、9241800C,ELEC 2200UF/25V C97 9A09240000C,ELEC 100UF/100V C98 9A09240300C,ELEC 47UF/63V NP D1,D2 9A09237300DIODE,1N4148 D4 9A09237300DIODE,1N4148 D5 9A09237500ZENER DIODE,5.6V 0.5W D6 9A09237600ZENER DIODE,22V 0.5W D7-D10 9A09237400DIODE,1N4007 F1,F2 9A09241200FUSE HOLDER J1 9A09244500RCA JACK J2 9A0

22、9245000WAFER,5045-7P J3 9A09525900WAFER,5045-8P J4 9A09244900WAFER,5045-6P TUNER PCB ASSY REF.NO.PARTS NO.DESCRIPTION J8,J10 9A09244800WAFER,5045-2P JP1 9A09526000ANT TERMINAL L1 9A09242600CHOKE,2.2UH L2 9A09242800I.F.T,LA-003 P2 9A09244600TERMNAL GND P5,P6 9A09244700PIN,1.5x3.5x9 Q1,Q2 9A09240500TR

23、,2SC1815BL Q3 9A09240600TR,2SA1015 Q4 9A09240500TR,2SC1815BL Q5 9A09241600TR,2SK192A Q6-Q8 9A09240500TR,2SC1815BL Q10 9A09240500TR,2SC1815BL Q12,Q13 9A09240700TR,2SC3327A Q14 9A09240500TR,2SC1815BL Q15 9A09240600TR,2SA1015 Q16,Q17 9A09240700TR,2SC3327A Q19 9A09240500TR,2SC1815BL Q20 9A09242700TR,2SB

24、633 Q21,Q22 9A09240500TR,2SC1815BL Q23 9A09240800TR,2SA965 R35 9A09241500NTC THERMISTORS,300 OHM R41 9A09527300R,CARBON 1/2W T 10 R82 9A09527600R,CARBON 1/2W T 47 R90 9A09241400R,M.O.F 1W 4K7 RF1 9A09243300FM TUNER,TFFJ4E570A SW2 9A09243400TACT SW,SFKHHLU1714 T1 9A09242900IFT,LO-O03 T2 9A09527700IFT

25、,A-8B C02-8072 T3 9A09243100IFT,0203-W009 T4,T5 9A09243200IFT,10DF01 TP1 9A09244400PIN,2541-2P TVC1,2 9A09243500TRIMMER,CTY-112B 8P TVR1 9A09241000TVR,6 H-TYPE 30K TVR2 9A09240900TVR,6 H-TYPE 10K TVR3 9A09241000TVR,6 H-TYPE 30K TVR4,5 9A09241100TVR,6 H-TYPE 1M U1 9A09241900IC,AN278 U2 9A09242000IC,L

26、A1266 U3 9A09242100IC,LA3450 U4 9A09242200IC,TC9257P U5,U7 9A09242300IC,AN7805 U8 9A09242400IC,AN7812 U8 9A09244300HEAT SINK VD1,2 9A09243600VARICAP,1SV149 W37 9A09527800CHOKE,15MH X1 9A09243700CRYSTAL,7.2MHZ Z1 9A09243800CERAMIC FILTER,SFZ10.7MS2 Z2 9A09243900CERAMIC FILTER,SFZ10.7MS3 Z3 9A09244000

27、CERAMIC FILTER,SFZ450B Z4 9A09244200CERAMIC FILTER,BFU450CN Z5 9A09244100CERAMIC FILTER,CSB456F11 9 POWER PCB ASSY REF.NO.PARTS NO.DESCRIPTION 9A09525150POWER PCB ASSY B3852 9A09245200PCB,B3850/B3852/B3853 9A09527900KIT,B3582 F3 9A09241200FUSE HOLDER J5 TO J4 9A09245600CONNECTOR,ED-488 6P J9 9A09245400WAFER,3963-3P2T T6 9A09245500TRANSFORMER 10 86745231 E D C B A SCHEMATIC DIAGRAMT-1D AM/FM Stereo Tuner T T- -1 1D D 1 st Issue; August 2002 86745231 E D C B A SCHEMATIC DIAGRAMT-1D AM/FM Stereo Tuner T T- -1 1D D 1 st Issue; August 2002