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3

GF-450K7

2  SPECIFICATIONS

Amplifier Section

   

 

 

 

Output power  

3.5 W + 3.5 W   

 

 

 

Frequency response 

60 Hz to 20 kHz   

 

 

 

Audio input sensitivity/Impedance 

AUX: -6dBV(0.5V)/20kΩ   

 

 

 

Maximum iutput level 

AUX:+6dBV(2.0V)   

 

 

 

CD Recorder Section

   

 

 

 

Media type 

CD-RW and CD-R for Digital audio   

 

 

 

(record and playback), CD (playback only)     

 

 

Recording sampling frequency 

44.1kHz   

 

 

 

Frequency response 

20Hz to 20kHz   

 

 

 

(playback:±2dB, recording:±3dB)   

 

 

 

Signal to noise ratio 

More than 90dB (playback)     

 

 

More than 80dB (recording)   

 

 

 

Total harmonic distortion  

Less than 0.05% (playback)     

 

 

Less than 0.07% (recording)   

 

 

 

Tuner Section

   

 

 

 

Frequency range(FM) 

87.5MHz to 108.0 MHz (100 kHz step) [USA]

Frequency range(AM) 

530 kHz to 1,720 kHz (10 kHz step) 

Frequency range(FM) 

76.0 MHz to 90.0 MHz (100 kHz step) [JPN]

Frequency range(AM) 

522 kHz to 1,620 kHz (9 kHz step) 

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 0.35% (WDT)   

 

 

 

Cartridge type 

Ceramic Stereo Cartridge   

 

 

 

Stylus 

STL-103   

 

 

 

Output level  

158 -348mV    

 

 

Cassette tape section

   

 

 

 

Tracking system 

4-track, 2-channel stereo   

 

 

 

Tape speed 

4.8 cm/sec     

 

 

Wow&flutter  

0.3%   

 

 

 

Frequency characteristic 

125 to 10,000 Hz   

 

 

 

S/N ratio  

45 dB   

 

 

 

Speaker System Section  

 

 

 

 

Unit 

70 mm (3”)     

 

 

Impedance  

4 ohms   

 

 

 

GENERAL

   

 

 

 

Power requirements  

120V, 60Hz [USA]

Power requirements  

100V, 50~60Hz [JPN]   

 

 

Power consumption 

55 W   

 

 

 

Dimensions (W x H x D)  

480 x 230 x 380 mm     

 

 

(18 7/8” x 9 1/16” x 14 15/16”)   

 

 

 

Weight 

11 kg (24 1/4 lb)   

 

 

 

 

 

 

 

 

Standard Accessories

   

 

 

 

 

Owner’s manual x 1   

 

 

 

Warranty card x 1   

 

 

 

45 RPM adaptor x 1   

 

 

 

Remote control unit (RC-992) x 1 [USA]
Remote control unit (RC-1069) x 1 [JPN]  

 

 

 

Battery (AA, R6, SUM-3) x 2   

 

 

  

Quick Start Guide for recording x 1   

 

 

 

Stereo RCA pin cable x 1   

 

 

 

Design and specifications are subject to change without notice. 
Weight and dimensions are approximate.
Illustrations may differ slightly from production models.

Summary of Contents for GF-450K7

Page 1: ...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 P...

Page 2: ...ICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulate...

Page 3: ...ion Motor DC servo motor Drive system Belt Drive Speed 33 1 3 rpm 45 rpm 78 rpm Wow and Flutter less than 0 35 WDT Cartridge type Ceramic Stereo Cartridge Stylus STL 103 Output level 158 348mV Cassett...

Page 4: ...or all adjustment 3 2 Adjustment and Test Points Spec Limit 1 2 3 UNIT z H K 0 1 5 2 5 d n E w o L z H K 0 3 0 3 7 1 d n E h g i H z H K 5 5 5 4 m v u B d 8 5 2 5 z H K 0 0 6 m v u B d 8 5 2 5 z H K 0...

Page 5: ...5 4 2 1 W 5 3 6 3 0 3 0 1 z H 0 5 1 0 5 z H K 4 5 4 V M 5 1 db b d 5 2 8 1 b d 6 2 0 3 b d 3 1 b d 4 3 ITEM 01 Tuning Range 02 Intermediate Frequency 03 MAX Sens 04 Sen For 30db S N 05 I F Rejection 0...

Page 6: ...2 Connect a SCOPE and VTVM across the speaker output STEP SET SIGNAL SET DIAL ADJUST ADJUST FOR 1 515KHz GANG CLOSED L6 MAXIMUM OUTPUT 2 1640KHz GANG OPEN PVC D 3 600KHz 1400KHz L4 4 1400KHz 1400KHz...

Page 7: ...GF 450K7 MAIN PCB MAIN PCB...

Page 8: ...GF 450K7 8 4 EXPLODED VIEWS AND PARTS LIST EXPLODE VIEW...

Page 9: ...ACKLIGHT LENS PMMA 24 56 57GF35030010 TUNING BACKLIGHT LENS PMMA 25 56 69GF3500B000 WOODEN BOX COVER PLATE ABS BLACK 931289 26 56 75GF3500G000 POINT ABS CHROME 27 56 76ST1500B000 DIAL PULLEY POM 28 56...

Page 10: ...74 67 021300000120 NUT WASHER DIA M3mm 75 67 021400000020 NUT M4mm 76 68 112403101000 METAL WASHER 4x10x1mm 77 68 412400000000 RING E TYPE 4mm 78 06 200GF3501001 CD MECH ASSY CRD RA2A 205010 79 18 20...

Page 11: ...SCREW RoHS TC BH 3x35mm 100 66 140326180321 SELF TAPPING SCREW RoHS TA PH 2 6x8mm 101 66 140530210121 SELF TAPPING SCREW RoHS TA KH 3x10mm BLACK 102 66 140826210321 SELF TAPPING SCREW TA WH 2 6x10mm 1...

Page 12: ...12 GF 450K7 MAIN PCB HP PCB AUX PCB MAIN PCB HP PCB AUX PCB MAIN PCB 5 PC BOARDS AND PARTS LIST...

Page 13: ...38 013100050120 AXIAL INDUCTOR 10UH 10 350mA EC 24 IC1 16 SA2111000021 IC SILAN SA2111N IC2 16 BA5417000021 IC ROHM BA5417 IC3 16 TC4052BP0021 IC TOSHIBA TC4052BP DIP IC4 16 HEF4066B0121 IC PHILIPS HE...

Page 14: ...14 GF 450K7 DISPLAY PCB...

Page 15: ...LA304B2MA 2C 05 D507 12 1N4148000021 DIODE 1N4148 D508 13 011292121020 LED LAMP MICRO MSC32D C 2 94mm RED FB1 2 3 4 5 6 7 8 9 32 03M352000120 SMD FERRITE BEAD 800 25 1608 FB10 11 12 15 16 Q501 11 DTA...

Page 16: ...16 GF 450K7 CASS PCB CASS PCB SWITCH PCB CASS PCB SWITCH PCB...

Page 17: ...55520 5P WIRE L 150mm HSG 2 x1 UL1007 26 J003 44 315325057520 7P WIRE L 250mm HSG 2 x1 UL1007 26 Q2 11 2SD882P000P1 TRANSISTORS 2SD882P Q0324 11 MMBT85500021 SMD TRANSISTORS MMBT8550D SOT23 Q013 0315...

Page 18: ...18 GF 450K7 MAIN PCB 6 WIRING DIAGRAM TO CD TO CD TO DISPLAY PCB TO CASS PCB TO HP PCB TO CASS PCB TO CD TO CD TO PHONO TO TRANSF ORMER TO DISPLAY PCB TO SPEAKER R TO SPEAKER L TO AUX PCB...

Page 19: ...19 GF 450K7 CASS PCB TO MAIN PCB TO MAIN PCB TO MAIN PCB TO MAIN PCB TO DECK TO DECK...

Page 20: ...20 GF 450K7 DISPLAY PCB TO MAIN PCB TO MAIN PCB TO MAIN PCB...

Page 21: ...35000621 INSTRUCTION MANUAL GF450 K7 JPN 77 20GF45000021 INSTRUCTION MANUAL UL E F S USA 77 21GF35000620 INSTRUCTION SHEET GF450 K7 JPN 77 21GF45000021 INSTRUCTION SHEET UL E F S USA 77 23ST15000121 P...

Page 22: ...3 TEAC CANADA LTD 5939 Wallace Street Mississauga Ontario L4Z 1Z8 Canada Phone 905 890 8008 TEAC MEXICO S A De C V TEAC UK LIMITED Unit 19 20 The Courtyards Hatters Lane Watford Hertfordshire WD18 8TE...

Page 23: ...MAIN PCB GF 450K7 Micro Hi Fi system...

Page 24: ...DISPLAY PCB GF 450K7 Micro Hi Fi system...

Page 25: ...C609 0 1u 1 A18 2 A16 3 A15 4 A12 5 A7 6 A6 7 A5 8 A4 9 A3 10 A2 11 A1 12 A0 13 D00 D01 14 D02 15 VSS 16 D03 17 D04 18 D05 19 D06 20 D07 21 CE 22 A10 23 DE 24 A11 25 A9 26 A8 27 A13 28 A14 29 32 VCC...

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