Teac-GF-600-Service-Manual电路原理图.pdf

SERVICE MANUAL GF-600 Compact Hi-Fi Stereo System NOTES CONTENTS PC boards shown are viewed from parts side. 1 SAFETY INFORAMTION2 Parts marked with * require longer delivery time. 2 SPECIFICATIONS3 3 ADJUSTMENT AND CHECKS.4 The parts with no reference number or no parts number in the exploded views are not supplied. 3-1 AMPLIFIER SECTION.4 3-2 TUNER SECTION.5 As regards the resistors and capacitors, refer to the circuit diagrams contained in this manual. 3-3 CD PLAYER SECTION.7 Parts marked with this sign are safety critical 3-4 CASSETTE DECK SECTION.8 components. They must be replaced with identical 3-5 TURNTABLE SECTION.10 components refer to the appropriate parts list and 4 EXPLODED VIEWS AND PARTS LIST11 ensure exact replacement. 5 PC BOARDS AND PARTS LIST21 Parts of mark can be used only with the version designated. 6 WIRING DIAGRAM.28 US:U.S.A.C:CANADASA:SOUTH AMERICA RadioFans.CN 收音机爱 好者资料库 GF-600 1 SAFETY INFORMATION 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 1986” and is classified as class 1 laser product. There is no hazardous invisible 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 below. CAUTION USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HERE IN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE. Optical pickup: Type : SLD104u Manufacturer : SONY Corporation Laser output : Less than 0.5mV on the objective lens Wavelength 760 800 nm 2 RadioFans.CN 收音机爱 好者资料库 GF-600 2 SPECIFICATIONS AMPLIFIER Section SPEAKER SYSTEM Section Output Power.15W+15W Type.2-way bass reflex Input Sensitivity.220mV Impedance.6 ohms Frequency Response.50 to 20,000 Hz GENERAL Power Requirements.120V, 60Hz (U.S.A./Canada model) TUNER Section (FM) 120V/230V AC, 50-60Hz (General export model) Frequency Range.87.50 to 108.00 MHz Power Consumption.50W Sensitivity (S/N30dB).20dBV Dimension ( W x H x D ) Main Unit.395 x 379 x 277 mm (15-9/16” x 14-15/16” x 14-13/16”) TUNER Section (AM) Speaker.20 x 172 x 377 mm (7-7/8” x 6-3/4 x 14-13/16”) Frequency Range.530 to 1710 kHz Weight Sensitivity (S/N20dB).60dBV/m Main Unit.11.6 kg (25-1/2 lb) Speaker.2.8 kg (6-3/16 lb ) x 2 CD PLAYER Section Frequency Response.20 to 20,000Hz (1dB) Standard Accessories Signal-to-Noise Ratio. 55dB Remote Control Unit (RC-905) x 1 Wow and Flutter.Unmeasurable 45 RPM adaptor x 1 Owners Manual x 1 Warranty Card x 1 CASSETTE DECK Section Track System.4 track, 2 channel Stereo Tape Speed.4.8cm/sec Design and specifications are subject to change without notice. Wow and Flutter.0.35% (WRMS) Illustrations may differ slightly from production models Frequency Response.100 to 8,000 Hz Signal-to-Noise Ratio.35dB RECORD PLAYER Section Motor.DC servo motor Drive System.Belt Drive Speed.33-1/3 rpm, 45 rpm, 78 rpm Wow and Flutter.less than 2.5% (WRMS) S/N ratio.More than 50dB Cartridge type.Ceramic Stereo Cartridge 3 GF-600 3 ADJUSTMENT AND CHECKS 0 dB is referenced to 1.0V. Load impedance: SPEAKERS: 6 ohm (40W or more) PHONES: 1k ohm (1/4W) Specified input level: -3dB (AUX) VOLUME position: VOL 20 Unless specified otherwise,measurements are made in PHONES jack 3.1 3.1 AMPLIFIER SECTION AMPLIFIER SECTION ITEM INPUT SIGNAL (AUX IN) SPECIFICATIONS REMARKS 1.AUX input sensitivity 1KHz /-3dB -4 +/-3dB Reference output level 2.Harmonic distortion 1KHz /-3dB 1.0% or less 3.Frequency response 40Hz,100Hz,20kHz 40Hz: 9 +/-3dB 100Hz: 7 +/-3dB 20kHz: 3 +/-3dB Reference level:1kHz 4.S/N ratio No signal 50dB or better Ratio of reference output level to noise 5.Maximum output power 1KHz THD:10% or less VOLUME: MAX 4 Oscillator AUX IN L R GF-600GF-600 PHONES SPEAKERS 6 ohm 1k ohm 1k ohm S1 Distorion Analyzer AC voltmeter Oscilloscope Fig.3-1 Basic test setup 6 ohm GF-600 3-2 TUNER SECTION 3-2-1 AM TUNER SIGNAL GENERATOR SETTING ITEM Audio Modulation Frequency Output GF-600ADJUSTMENTS MEASURING POINTS,RESULT 1710kHzL5 VT 8.0V 1.Voltage adjustment 530kHz Check VT 0.9V 2.IFT adjustment 1kHz 30% 600kHz 76 dBuV600kHz L4 Maximum output level 1kHz 30% 600kHz 76 dBuV600kHz Ant coil Maximum output level 3.Tracking adjustment 1kHz 30% 1400kHz 76 dBuV1400kHz TC2 Repeat step 3 Maximum output level 5 SPEAKER JK2 SW1 AUX INPUT JK1 IC6 IC5 IC IC3 IC2 VR1 IC1 L1 L2 L5 FIG 3-2 Adjustment locations L3 L8 A M A N T IC7 C304 C303 Q31 TC4 TC2 GF-600 MAIN PCBGF-600 MAIN PCB L4 GF-600 3-2-2 FM TUNER SIGNAL GENERATOR SETTING ITEM Audio Modulation Frequency Output GF-600 ADJUSTMENTS MEASURING POINTS,RESULT 108.0MHz L2 VT 8.0V 1.Voltage adjustment 87.5MHz Check VT 2.4V 2.IFT adjustment 1kHz 22.5kHz 90.1MHz 22.5 dBuV90.1MHz L1 Maximum output level 1kHz 22.5kHz 90.1MHz 76 dBuV 90.1MHz L3 Maximum output level 3.Tracking adjustment 1kHz 22.5kHz 106.0MHz 76 dBuV 106.0MHz TC4 Repeat step 3 Maximum output level 6 AM signal generator AM GF-600GF-600 PHON 1k ohm 1k ohm S1 Fig.3-3 AM Loop Antenna 60cm AC voltmeter FM signal generator FM GF-600GF-600 PHONES 1k ohm S1 AC voltmeter 75 ohm Fig.3-4 1k ohm GF-600 3-3 CD PLAYER SECTION 3-3-1 ADJUSTMENT Set all of the adjustment volumes to the center position. Use an oscilloscope that has a bandwidth greater than 40MHz. Use MCD-111 test disc. A. EF balance adjustment 1. Connect the probe to P1 or J126(TE) and the probe ground to P2 or J154(VC). 2. In the search mode,and adjust VR101 so that the upper and lower. amplitudes of the waveform become equal above and below 0V. B. RF level adjustment 1. Connect the probe to P3 or J143(RF) and the probe ground to P2 or J154(VC). 2. In the play mode,and adjust VR102 so that the waveform on the oscilloscope becomes maximum. 7 A B 0V A=B IC105 IC10 IC10 J154 IC10 VR101 P2 P1 J126 IC10 P3 J143 VR102 IC10 Maximum GF-600 3-3-2 Audio performance DISC ITEM TRACK No. FREQUENOY/LEVEL SPECIFICATIONSREMARKS 1.Output level 2 1KHz/0dB 6 3dB 2.Harmonic distortion 2 1KHz/0dB 0.5% or less 3.Frequency response 4,6 100Hz,20KHz/0dB +1, -3dB Reference level: 1KHz 4.S/N ratio 7 -dB 50dB or better 3-4 CASSETTE DECK SECTION Before performing adjustments and checks clean and demagnetize the entire tape path. 3-4-1 Mechanical performance 8 ITEM TEST TAPESPECIFICATIONS 1.Wow and flutter (playback method) MTT-111N 0.35% or less (JIS WTD) 2.Tape speed deviation MTT-111N 3000 120Hz (Adjustment points: VR1) 3.Tape speed drifting MTT-111N Within 90Hz GF-600GF-600 PHONE Wow & Flutter Meter Frequency counter L R Fig.3-6 GF-600 3-4-2 PLAYBACK PERFORMANCE ITEM TEST TAPE PLAYBACK FREQUENCY ADJUSTMENTS MEASURING POINTS,RESULT REMARKS MTT-25702 8KHz Azimuth screw Maximum output level at L/R-ch 1.Head azimuth adjustment MTT-25702 250Hz Check Phase:within 45 (Fig.3-8) Fig.3-7 2.Playback output level MTT-150C Dolby B type tone Check -4 3dB Reference output level 3.Playback frequency response MTT-25702 8KHz Check 5dB Reference level:250KHz 4.Playback S/N ratio MTT-5513 Playback the leader tape portion Check 40dB min Ratio of reference level to noise (in phase)ter 3-4-3 Recording performance ITEM TEST TAPE INPUT SIGNAL (AUX in) ADJUSTMENTS MEASURING POINTS,RESULT REMARKS 1.Bias osc frequency MTT-5513 Check 85KHz 2.Total harmonic distortion MTT-5513 MTT-5563 400Hz/-6dB Check 3.0% or less MTT-5513 Check +3 to 4dB 3.Overall frequency response MTT-5563 8KHz/-28dB Check 7dB Reference level: 250Hz 4.Overall S/N Ratio MTT-5513 NO signal Check 35dB min Ratio of reference level to noise 9 GF-600 PHONES S1 AC voltmeter Oscilloscope Fig.3-7 Test setup for azimuth check HOR VER Fig.3-8 Confirming phase relationship 0 (in phase) 4590135 180 (out of phase) GF-600 3-5 TURNTABLE SECTION TURNTABLE HP-4005 ITEM Number. Adjustment point Speed Adjustment Wow & Flutter 33 NO.3 SFR502 3000Hz 30Hz < 0.35% 45 NO.4 SFR501 3000Hz 30Hz - 78 NO.4 SFR503 5200Hz 30Hz - 10 SPEAKER JK2 SW1 AUX INPUT JK1 IC6 IC5 IC IC3 IC2 VR1 IC1 L1 L2 L5 FIG 3-9 Adjustment locations L3 L8 A M A N T IC7 C304 C303 Q31 TC4 TC2 GF-600 MAIN PCBGF-600 MAIN PCB L4 VVV CN501 CW503 CN502 SFRN503SFRN501SFRN502 FIG 3-10 11 GF-600 EXPLODED VIEW-1 REF. NO PARTS NO. DESCRIPTIONREMARKS 1 1 010-G6000000 NAME PLATE 1 2 001-G6000000 FRONT PANEL 1 3 007-G6000100 CASS WINDOW(A) 1 4 005-G6000000 CASS DOOR(A) 1 5 005-28000001 CASS HOLDER 1 6 007-G6000200 CASS WINDOW(B) 1 7 005-G6000100 CASS DOOR(B) 1 8 100-G6002030 HEAD PHONE/SENSOR PCB ASSY 1 9 007-G6000300 REMOTE COVER LENS 1 10 021-43010033 SCREW 3x10MM,PWT BLK HD(=11.5MM) 1 11 010-G6000200 KEY RING(L) 1 12 008-0GP18000 GEAR DUMPER ASSY 1 13 007-G6000000 LCD DISPLAY WINDOW 1 14 001-G6002040 LCD ORNAMENT PANEL 1 15 021-13008032 SCREW 3x8MM PT ZMC HD 1 16 004-G6000700 CD OPEN/CLOSE KNOB 1 17 100-G6002040 CD OPEN/CLOSE PCB ASSY 1 18 021-13010032 SCREW 3x10MM PT ZMC HD 1 19 038-201831C0 CASSETTE MECHA 1 20 021-43008052 SCREW 3x8MM PWB ZMC HD 1 21 010-G6000100 KEY RING(R) 1 22 031-28000110 CASS SPRING 1 23 004-G6000200 CD CONTROL KNOB 1 24 004-G6000600 FUNCTION KNOB 1 25 004-G6000500 BBS/DOUBLE SPEED KNOB 1 26 004-G6000100 DISPLAY KNOB 1 27 004-G6000300 DISC KNOB 1 28 100-G6002020 FRONT PCB ASSY 1 29 004-G6000400 POWER KNOB 1 30 004-G6000000 VOLUME/TUNER KNOB 1 31 012-02120612 PVC WASHER 12x 6.1xT0.2MM 1 32 009-28000000 SWITCH LEVER 1 33 031-28000010 VOLUME SPRING 1 34 010-SD900800 TUNER SPRING COVER 1 35 010-SD900700 VOLUME SPRING COVER 1 36 021-42606032 SCREW 2.6x6MM PWT ZMC HD 1 37 004-29301801 CASS KNOB 5 R 1 38 004-29301701 CASS KNOB 4 R 1 39 004-29301601 CASS KNOB 3 R 1 40 004-29301500 CASS KNOB 2 R 1 41 004-29301401 CASS KNOB 1 R 1 42 004-29301301 CASS KNOB 6 L 1 43 004-29301201 CASS KNOB 5 L 1 44 004-29301101 CASS KNOB 4 L 1 45 004-29301001 CASS KNOB 3 L 1 46 004-29300901 CASS KNOB 2 L 1 47 004-29300801 CASS KNOB 1 L 1 48 009-28000100 LCD HOLDER 12 13 GF-600 EXPLODED VIEW-2 REF. NO PARTS NO. DESCRIPTIONREMARKS 2 1 FRONT PANEL ASSY 2 2 011-28000600 PANEL BKT 2 3 006-G6000000 CD DOOR 2 4 022-44022033 SCREW 4x22MM PWM BLK HD 2 5 022-92006033 SCREW 2x6MM CM BLK HD 2 6 015-G6001000 OBSTRUCT PVC 2 7 024-23010032 SCREW 3x10MM BA ZMC HD 2 8 011-G6000100 CD FRONT BKT R 2 9 022-43010033 SCREW 3x10MM PWM BLK HD 2 10 039-29303330 CD DECK ASSY 2 11 011-G6000200 CD FRONT BKT L 2 12 018-OLT98000 HEAT SINK (FOR CD PCB) 2 13 100-29302060 CD PCB ASSY 2 14 021-13008032 SCREW 3x8MM PT ZMC HD 2 15 011-G6000300 CD BACK BKT 2 16 021-13010032 SCREW 3x10MM PT ZMC HD 2 17 011-28000200 HOLDER LEG A 2 18 016-G6000100 INNER BOTTOM BOARD 2 19 011-28000300 HOLDER LEG B 2 20 011-28000401 HOLDER BAR 2 21 022-23006032 SCREW 3x6MM BM ZMC HD 2 22 100-G6002010 10W MAIN PCB ASSY 2 23 011-28000500 PCB HOLDER BKT 2 24 018-G6000000 POWER IC HEAT SINK 2 25 011-28001100 STRONG BKT 14 15 GF-600 EXPLODED VIEW-3 REF. NO PARTS NO. DESCRIPTIONREMARKS 3 1 FRONT PANEL ASSY 3 2 016-G6000000 WOODEN CABINET ASSY 3 3 004-M9700000 SPEED SW. KNOB 3 4 010-M9700000 SPEED SW. COVER 3 5 100-F1802030 PHONO SPEED SW. PCB ASSY 3 6 022-12604032 SCREW 2.6x4MM PM ZMC 3 7 010-G6000300 PLAYER COVER 3 8 024-33012033 SCREW 3x12MM KA BLK HD 3 9 021-24014033 SCREW 4x14MM BT BLK HD 3 10 011-F1800500 SIDE STAY ASSY 3 11 024-33012033 SCREW 3x10MM KA NI HD 3 12 024-23008031 SCREW 3x8MM BA NI HD 3 13 084-G6000200 POWER TRANSFORMER 10W 120V/60Hz 084-G6000700 POWER TRANSFORMER 10W 120V/230V 50 Hz 3 14 011-02000800 POWER TRANS PLATE 3 15 011-02001500 AC CORD HOLDER 011-G6000400 AC CORD HOLDER ( NEW ) 3 16 022-44022033 SCREW 4x22MM PWM BLK HD 3 17 037-KRA20100 RUBBER FOOT 3 18 024-24010033 SCREW 4x10MM BA BLACK HD 3 19 087-00000007 AC CORD “UL”,L=2000MM. 3 20 016-G6000200 BACK BOARD 3 21 021-43012033 SCREW 3x12MM PWT BLK HD 3 22 011-28000000 WOODEN BKT 3 23 048-0G600010 SPEAKER BOX ASSY 3 24 037-F3000100 TOP COVER CUSHION 3 25 010-G6000500 SPEAKER NAME PLATE 3 26 022-44014033 SCREW 4x14MM PWM BLK HD 3 27 022-44010033 SCREW 4x10MM PWM BLK HD 3 28 022-44018033 SCREW 4x18MM PWM BLK HD 3 29 040-01000311 PLAYER ASSY( 3 SPEED DC=9V ) 3 30 024-43112033 SCREW 3.1x12MM PWA BLK HD 3 31 011-F1001040 SPEED SW. BKT 3 32 021-13010032 SCREW 3x10MM PT ZMC HD 16 17 GF-600 EXPLODED VIEW-4 REF. NO PARTS NO. DESCRIPTIONREMARKS 4 1 020-10000200 E-RING ( 5.0M/M ) 4 2 037-10000000 RUBBER A 4 3 010-10000300 PLATTER 4 4 033-17001006 BELT 170 x 0.6 x 5MM 4 5 014-01000000 PLATTER SHAFT 4 6 012-02116782 PVC WASHER 7.8 x 11.6 x T0.2 4 7 020-10000000 SHAFT SET 4 8 014-01000001 SHAFT A 4 9 010-10000400 TONE ARM SET 4 10 011-10000200 TONE ARM 4 11 021-22005031 SCREW 2 x 5 BT ZMC HD 4 12 011-10000100 GROUND SHEET 4 13 010-10000500 HEAD SHELL 4 14 055-01000000 STYLUS ASSY 4 15 010-10000100 LIFTER 4 16 010-10000200 PICK-UP CRAMPER 4 17 004-10000000 AXLE KNOB 4 18 014-01000002 CUTTING LEVER 4 19 015-10000000 COVER ( BLACK ) 4 20 021-43005012 SCREW 3x5MM PWT ( W=8 ) ZMC 4 21 031-10000320 SPRING C ZMC 4 22 063-01000400 LEAF SWITCH 4 23 021-12008012 SCREW 2x8 PT ZMC 4 24 010-10000600 CAPSTAN 4 25 100-F1802020 PHONO SPEED PCB ASSY 4 26 021-13008012 SCREW 3x8 PT ZMC 4 27 031-10000010 SPRING ( Ni ) 4