Teac-GF-480-Service-Manual电路原理图.pdf

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1、PC boards 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

2、must be replaced with identical components - refer to the appropriate parts list and ensure exact replacement. NOTES Compact Hi-Fi Stereo System For U.S.A and general export version CONTENTS 1 SAFETY INFORMATION 2 SPECIFICATIONS 3 ADJUSTMENT AND CHECKS 3-1 TUNER SECTION 4 EXPLODED VIEWS AND PARTS LI

3、ST 5 PC BOARDS AND PARTS LIST 6 WIRING DIAGRAM 2 3 4 4 3-3 CASSETTE DECK SECTION 6 7 3-2 TURNTABLE SECTION 6 11 15 7 INCLUDED ACCESSORIES 17 GF-480 ! RadioFans.CN 收音机爱 好者资料库 1 SAFETY INFORMATION USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT I

4、N HAZARDOUS RADIATION EXPOSURE. 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 no hazardous inv

5、isible 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 GF-480 2 Optical pickup: Type :SOH-AA-8E15 Manufacturer :SONY CORPORATION Laser outpu

6、t : Less than 0.35mW on the objective lens Wavelength : 79 0 +/-25nm ! CAUTION DO NOT OPEN NE PAS OUVRIR. AVIS RISK OF ELECTRIC SHOCK : RISQUE DE CHOC ELECTRIQUE THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS : (1) THIS DEVICE MAY NOT CAUSE H

7、ARMFUL INTERFERENCE AND (2)THIS DEVICE MUST ACCEPT ANY INTERFER- ENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN ICES-003. CET APPAREL NUMERIQUE DE LA CLASSE B EST CONFORME A LA NORME NMB-003 DU CANADA DOUBLE INSULATION-

8、 WHEN SERVICING USE ONLY IDENTIONAL REPLACEMENT PARTS SERIAL N0. MADE IN CHINA VOLTAGE SELECTOR 120V 230V CERTIFICATION THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J APPLI- CABLE AT DATE OF MANUFACTURE TEAC. CORPORATION 3-7-3, NAKA-CHO, MUSASHINO-SHI, TOKYO, JAPAN MANUFACTURED : LTC CERT

9、IFICATION THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J APPLI- CABLE AT DATE OF MANUFACTURE TEAC. CORPORATION 3-7-3, NAKA-CHO, MUSASHINO-SHI, TOKYO, JAPAN MANUFACTURED : LTC 1 TEACMODEL No GF-480 Compact Hi-Fi STEREO SYSTEM TEAC CORPORATION 65W TOKYO JAPAN RadioFans.CN 收音机爱 好者资料库 2 SPECI

10、FICATIONS GF-480 3 AMPLIFIER Section TUNER Section SPEAKER SYSTEM Section Impedance:8-ohms Type:1-way CD PLAYER Section Frequency Response: Signal-to-Noise Ratio: Wow and Flutter: Channel Separation: 40 to 16,000 Hz +/-5dB 75dB (IEC-A) Unmeasurable 40dB CASSETTE DECK Section Track System: Tape Speed

11、: Wow and Flutter: Frequency Response: Signal-to-Noise Ratio: 4 track, 2 channel stereo 4.8cm/sec 0.15% (WRMS) 125 to 6,300 Hz +/-2dB 45dB GENERAL Power Requirements: Power Consumption: Dimension (W x H x D ): Weight: Standard Accessories:Owners Manual x 1 Warranty Card x 1 Improvements may result i

12、n specification or feature changes without notice. 120V , 60Hz (U.S.A/Canada) 65W Main Unit:386 x 356 x 815 mm (15-3/16 x 14 x 32-1/12)inches Output Power:10W+10W (U.S.A/Canada) Frequency Response : 60 to 30,000 Hz AM Section Frequency Range:530 to 1710 KHz (U.S.A/Canada) Signal-to-Noise Ratio: 55dB

13、 Sensitivity (S/N 20 dB) : 55 dB uV/m FM Section Sensitivity (S/N 30 dB) : 18 dB uV Frequency Range : 88.0 to 108.00 MHz 120V/230V , 50-60Hz (General Export Version only) 16.5 kg 45rpm Adaptor Rubber pad x 4 4 GF-480 Use a screwdriver with a plastic or ceramic grip for all adjustment. 1. Set the fun

14、ction switch to the FM position. 1. Set the function switch to the AM position. 2. Connect the signal generator output through a 75 ohm dummy 2. Connect the test loop antenna across the output of the signal generator. 3. Connect the oscilloscope to the speaker terminal. 3. Connect the oscilloscope t

15、o the speaker terminal. 4. Set the signal generator as listed in the alignment chart. 4. Set the signal generator as listed in the alignment chart. 3-1 TUNER SECTION 3-1-1 FM adjustment 3-1-2 AM adjustment antenna to ANT on MAIN PCB. 3 ADJUSTMENTS AND CHECKS AM ANT COIL PVC C1FC1 GF-480 MAIN PCB L4

16、C2FC2 L6 L3 L2 L5 GF-480 5 3-1-3 FM/AM alignment chart 3-1-4 TURNTABLE alignment chart ITEMADJUSTMENT POINTADJUSTMENTSG SETTINGTUNER SETTING 1. FM band 2. Tracking 3. Tracking 108MHz 104MHz 104MHz Repeat step 2 90MHz 90MHz 108MHz 87.5MHz 87.5MHz 1kHz, +/-22.5kHz dev. 1kHz, +/-22.5kHz dev. 1kHz, +/-2

17、2.5kHz dev. 1kHz, +/-22.5kHz dev. L3 L2 PVC FC1 PVC FC2 FM Adjust for max.output. Adjust for max. output and best waveform. 1. IF adjustment 2. AM band 455kHz 1710kHz 600kHz 1710kHz Repeat step 3 600kHz 600kHz 1400kHz 1400kHz 530kHz 530kHz 1kHz, 30% mod 1kHz, 30% mod 1kHz, 30% mod 1kHz, 30% mod 1kHz

18、, 30% mod L5 L4 AM ANT PVC C1 PVC C2 L6 AM Adjust for max.output. Adjust for max. output. Adjust for max. output and best waveform. 3-1-4 TURNTABLE alignment chart ITEM ADJUSTMENT ADJUSTMENT WOW & Flutter POINT HP - 4005 Number : SPEED 5200MHz NO.3 NO.4 NO.4 3000Hz 3000Hz VR2 VR3 VR4 0.35%33 45 78 T

19、URNTABLE +/- 30Hz +/- 30Hz +/- 30Hz - - 6 3-3-1 Tape speed adjustment 3-3-2 Azimuth adjustment 1. Place the function switch in the TAPE position. 2. Connect the frequency counter to the speaker terminal. 3. Load tape decks with MTT-111N (use the midpoint of side A). 4. Press the PLAY button on tape

20、and adjust MOTOR VR to obtain 3,000Hz +/- 30Hz. 5. Stop tape . 1. Connect the oscilloscope to the speaker terminal. 2. Load a MTT-114N test tape and press the PLAY button. 3. Adjust the azimuth using a screwdriver to maintain the max. L & R out voltage. 4. Secure the azimuth position using locking p

21、aint. 3-3 CASSETTE DECK SECTION 3-2 TURNTABLE SECTION 1. Set function switch to the PHONO position. 2. Connect the oscilloscope to the speaker terminal. 3. Use a HP-4005 record for all adjustment. GF-480 PHONO SPEED PCB VR2VR3VR4 5353 5656 56 56 58 58 6262 1010 1111 12 12 6060 1313 1515 56 56 5757 1

22、616 3030 2121 1717 1818 1919 2020 5858 5858 5858 5757 2929 5757 3131 2626 5959 2121 2424 2525 5454 27 27 28 28 5757 5858 4040 4141 1717 4242 2121 2323 2222 5858 5656 5757 44 44 4343 4343 4646 4747 4848 52 52 5757 5858 5555 50 50 5050 61 61 61 61 6161 5151 4949 5555 5757 5858 3434 4545 5555 3333 3232

23、 3535 38 38 3737 3939 3636 5656 1414 1 1 9 9 7 7 8 8 6 6 5 5 4 4 5 5 4 4 3 3 2 2 GF- 480 4 EXPLODED VIEWS AND PARTS LIST EXPLODED VIEW - 1 7 REF. NO EXPLODED VIEW-1 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-17 1-18 1-19 1-20 1-21 1-22 1-23 1-24 1-25 1-26 1-27 1-28 1-29

24、 1-30 1-31 1-32 1-33 1-34 1-35 1-36 1-41 1-37 1-42 1-38 1-43 1-44 1-45 1-39 1-40 1-46 1-47 1-48 1-49 1-50 GF-480 PARTS NO. 015-F3000300 008-0GP18000 011-02001400 004-F3000000 011-02000100 011-GP180300 011-GF600300 031-02000010 004-F3000200 020-02000200 011-02000000 010-02000300 015-F3000200 004-F300

25、0600 038-102GF600 004-F3000500 031-02000110 005-F3000000 100-GF602030 017-02000000 001-GF600100 011-02001300 004-GF600500 011-GF600100 004-GF600600 001-GF600000 014-GF200000 010-02000200 011-02000600 100-GF602020 011-02000200 015-F3000100 007-F3000000 100-GF602040 004-GF600400 001-GF600200 015-02000

26、000 011-GF600000 100-GF602010 100-98ES3090 004-F3000100 008-0GP18001 025-00018002 100-GF602050 100-GF602000 011-02001800 011-02001600 006-F3000000 011-GF600200 011-GF600400 CD LED WINDOW MASKING F.PANEL SW HOLDER TUNING KNOB MASKING F.PANEL SWITCH NUT PLATE FRONT PANEL PUSH KNOB DIAL DRUM SPRING CD

27、PCB SHIELD PLATE MAIN PCB SUB BKT DIAL DRUM - (B) DIAL SCALE CASSETTE KEY DIAL SHAFT CASSETTE MECH CD CONTROL KNOB FUNCTION PANEL BKT EQ FUNCTION PANEL DESCRIPTION MAIN PCB BKT - L VR BKT TUNING SHAFT FRONT PANEL BKT TONE KNOB DIAL DRUM (A) TUNING DRUM BKT DIAL WINDOW CASSETTE WINDOW CASSETTE OPEN S

28、PRING CASSETTE CASE FUNCTION CONTROL KNOB FUNCTION PANEL CD LENS PLATE AMP PCB BKT DIAL PULLEY FIXING SCREW 3X9MM ZMC HD VOLUME KNOB MAIN PCB BKT - R CD DECK BKT - R CD DECK BKT - BOTTOM CHASSIS PLATE BKT CD DOOR CD DECK BKT - L REF. NOPARTS NO.DESCRIPTION 1-51 1-52 1-53 1-54 1-55 1-56 1-57 1-58 1-5

29、9 1-60 1-61 1-62 022-82608032 024-23008032 021-23010032 024-23010032 021-23008032 022-13014032 SCREW 3X8MM BA ZMC HD SCREW 3X14MM PM ZMC HD 021-12608032 026-23006022 SCREW 2.6X8MM PT ZMC HD SCREW 3X6MMBTT ZMC HD 016-GF600100CENTER BOARD SCREW W/SP2.6X8MM PM ZMC 039-98ES0130 SCREW 3X8MM BT ZMC HD SCR

30、EW 3X10MM BT ZMC HD SCREW 3X10MM BA ZMC HD 026-44014022 013-90000001HEXAGON NUT SCREW 4X14MM PWTT ZMC HD 8 MAIN PCB ASS Y , EQ PCB ASS Y , CD CONTROL PCB ASS Y , GEAR DUMPER ASS Y , POWER & FM ST LED PCB ASS Y , FUNCTION KEY PCB ASS Y , POWER AMP PCB ASS Y , LT-98ES CD PCB ASS Y , CD DECK & PCB ASS

31、Y , 4040 3939 4343 4141 3737 3838 42 42 GF- 480 EXPLODED VIEW - 2 3333 33 33 2929 2828 3333 3434 3030 3636 3232 2626 3232 3232 2929 2828 2929 3333 1111 1313 1212 15 15 16 16 18 18 17 17 19 19 21 21 21 21 21 21 20 20 22 22 23 23 25 25 24 24 27 27 1414 1414 1 1 3 3 5 5 9 9 8 8 6 6 7 7 3131 3535 35 35

32、9 4 4 2 2 1010 REF. NO EXPLODED VIEW-2 PARTS NO. 011-F1800500 040-01000310 063-GF200110 PLAYER ASSY 3 SPEED (DC:9V) AC POWER SLIDE SWITCH (UNI) DESCRIPTIONREMARKS 2-1 2-2 2-3 2-8 2-4 2-9 2-5 2-10 2-11 2-16 2-12 2-17 2-13 2-18 2-14 2-19 2-15 2-20 2-6 2-7 016-GF600200 010-GF600100 BACK BOARD - UPPER 0

33、16-GF600301BACK BOARD - LOWER (UNI) STAY COVER 016-GF600000 010-GF600000 061-GF600800 087-00000007 010-10000700 BADGE SPEAKER 8 OHM AC CORD UL 45 RPM ADAPTOR 030-00000002 011-02001500AC CORD HOLDER AC CORD BUSH 016-GF600300BACK BOARD - LOWER (UL/CSA) POWER TRANSFORMER PLATE SPEAKER GRILL BASE - R SP

34、EAKER GRILL ASSY - R SPEAKER GRILL ASSY - L SPEAKER GRILL BASE - L 011-21500100 009-F3000100 001-F3000400 009-GF600000 001-F3000300 ! POWER TRANSFORMER 120V/60Hz (UL/CSA)084-GF600200 084-GF600201POWER TRANSFORMER 120V/230V 50Hz (UNI) SPEAKER CENTER PANEL001-GF600300 2-21 2-22 2-23 2-24 2-25 NUT PLAT

35、E RUBBER MAT - COFFEE RUBBER FOOT - BLACK WOODEN CABINET LEG 037-F4800100 016-GF600400 037-F4800000 NAME PVC SHEET015-GF600300 2-26 2-27 2-28 2-29 2-30 TOP COVER CUSHION SCREW 4X16MM PWA BLK HD SCREW 3X10MM BT ZMC HD SCREW 3X8MM BT ZMC HD 037-GF600000 024-44016033 021-23008032 021-23010032 SCREW 3X1

36、6MM PWT ZMC HD021-43016032 2-31 2-32 2-33 2-34 2-35 SCREW 3.1X12MM PWA ZMC HD SCREW 4X14MM BTT BLK HD SCREW 4X20MM PWTT ZMC HD SCREW 4X18MM PWTT ZMC HD 024-43112032 026-24014023 026-44018022 026-44020022 SCREW 4X20MM BA ZMC HD024-24020032 2-36SCREW 3X6MM BA BLK HD024-23006033 011-GP180300 ! ! 10 GF-

37、480 2-37 2-38 2-39 2-40 2-41 2-42 004-M9700000 010-M9700000 011-F1001040 022-12604032 SPEED SW KNOB SPEED SW COVER SPEED SW BKT SCREW 2.6X4MM PM ZMC SCREW 3X10MM PT ZMC 2-43 021-13010032 100-M9903090 100-M9903080 SLIDE STAY ASS Y , PHONO SPEED PCB ASS Y , PHONO SPEED SW PCB ASS Y , WOODEN CABINET AS

38、S Y , GF-480 5 PC BOARDS AND PARTS LIST 11 MAIN PCB ASSY REF. NO CF1 CF2,4 CF3 CN7 CN8 CN501 D22-D25 FUSE2 IC1 D1-16,26-29 C88 CN201 L4 IC5 IC2 IC3 L6 L5 L1 L2,3 L8 Q1,2,4,7-10,12, Q15,18,19,21,22, Q3,23,37 Q11,20 Q17 VR1 L7 ZD1 ZD3 ZD2 L9 Q24,25,27-36 Q26 CN5,9 PARTS NO. 062-GF600000 018-05030000 0

39、18-0GF60010 100-GF602000 011-86990000 090-12520022 072-30220251 ! ! ! 081-04550000 081-31070001 093-11070001 082-10500100 077-00414801 077-10400201 075-00211101 082-10510100 053-F300N000 082-10300100 056-10080001 082-10700100 096-GF180010 075-00023300 075-00731609 075-00780901 079-GF100010 079-GF100

40、210 078-08450351 078-08550251 078-05301952 076-00C94500 076-00A73300 076-00B54400 076-00D88200 095-00100001 069-F1002000 077-30003601 077-30005601 077-30012001 079-SW100630 076-0C200100 082-10310100 DESCRIPTION MAIN PCB MAIN PCB ASSY HEAT SINK (FOR KA7809) HEAT SINK (FOR POWER IC) FUSE HOLDER CE, 25

41、V 2200UF AM CERAMIC FILTER SFU455B FM CERAMIC FILTER L10.7MA5-A CERAMIC FILTER CDA10.7MG77-A CONNECTOR 5PIN P=2MM CONNECTOR 5PIN P=2.5MM CONNECTOR 3PIN P=2MM DIODE IN4148 DIODE IN4002 FUSE T2AL/250V TA2111N TUNER PVC FERRITE BAR 10X80MM CONNECTOR 7PIN P=2MM ZENER DIODE GZA3V6 ZENER DIODE GZA5V6 ZENE

42、R DIODE GZA11Y AM ANT COIL 102:10T PT233T AN7316 AN7809 AM IFT COIL (BLACK) AM OSC COIL (RED) FM BPF COIL 0.8MMX4.5X3.5T FM RF/OSC COIL 0.8MMX5.5X2.5T FILTER COIL 0.5MMX3X19.5T TR-2SC945 TR-2SA733 TR-2SB544F TR-2SD882 INDUCTOR 10UH 0.5W VR.50KBX2 W/SW TAPE OSC COIL TR-2SC2001L CONNECTOR 3PIN P=2.5MM

43、 REF. NOPARTS NO.DESCRIPTION FUNCTION KEY PCB ASSY D201077-00414801DIODE 1N4148 LED201-205094-02020201LED(RED) 3MM SW201-205063-8699T000TACT SWITCH H=4.3MM FUNCTION KEY PCB REF. NOPARTS NO.DESCRIPTION POWER & FM ST LED PCB ASSY 100-GF602030 LED501,502094-02060201 POWER & FM ST LED PCB LED(RED) 2MM F

44、UNCTION KEY PCB ASS Y100-GF602040 , POWER & FM ST LED PCB ASS Y , MAIN PCB FUNCTION KEY PCB POWER & FM ST LED PCB GF-480 12 GF-480 13 CD MAIN PCB CD MAIN PCB ASSY CONNECTOR BASE 11PIN CONNECTOR BASE 3PIN CONNECTOR BASE 5PIN CONNECTOR BASE 6PIN CONNECTOR 16PIN CN4,5 CN6 CN1 CN2 REF. NOREF. NOPARTS NO

45、.PARTS NO.DESCRIPTIONDESCRIPTION 062-LT98ES01 100-98ES3090 082-11100100 082-10300100 082-10500100 082-10600100 CN7 L1,2 082-21600305 077-00414801 077-30006201 018-0LT98000HEAT SINK DIODE 1N4148 DIODE ZENER GZA6.2Y 077-30003101COIL CHOKE AXIAL 10UH IC1075-00945731TC9457F-010 IC2 075-00209201TA2092NIC

46、3 075-00210921TA2109F IC4075-00729111TA7291S Q1,2,4076-09014C00TR-9014C Q3,6076-09015B00TR-9015B Q5076-00901300TR-9013G X1093-11693440CRYSTAL 16.9344MHZ EQ PCB ASS Y100-GF602020 JK401064-64020103PHONE JACK D-6.4MM SW401063-0GP60210PUSH SWITCH VR002,003069-05552001ROTARY VR.A100KX2 D1 D2 REF. NOPARTS

47、 NO.DESCRIPTION 100-GF602010 POWER PCB C77,78072-30100161CE, 16V 1000UF C86072-30330501CE, 50V 3300UF CN1082-10300100CONNECTOR 3PIN P=2MM CN2,4082-10310100 CN6082-10400100 D18-21077-10539201DIODE IN5392 FUSE1090-12531522FUSE 3.15A/250V CONNECTOR 3PIN P=2.5MM CONNECTOR 4PIN P=2MM IC4075-00428212LA428

48、2 Q13,14076-00C94500TR-2SC945 EQ PCB VR004069-30011000ROTARY VR. 100KB+C CN10082-10310100CONNECTOR 3PIN P=2.5MM CN3082-10510100CONNECTOR 5PIN P=2.5MM CD MAIN PCB ASSYEQ PCB ASSY REF. NOPARTS NO.DESCRIPTION 100-M9903080 062-0M990000 CN501082-10440100CONNECTOR BASE 4PIN P=2.5MM CN502082-10510100 PHONO SPEED PCB CONNECTOR BASE 5PIN P=2.5MM VR2,3,4092-30100000SFR 1KB RH0612C 13J PHONO SPEED PCB ASSY POWER AMP PCB ASSY SW01063-GF100110PHONO SPEED SW 2P3T REF. NOPARTS NO.DESCRIPTION 100-M9903090 PHONO SPEED PCB PHONO SPEED SW PCB ASSY REF. NOPARTS NO.DESCRIPTION CD CONTROL PCB ASS Y100-