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NOTES
PC board 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 must be replaced with identical
components - refer to the appropriate parts list and
ensure exact replacement.
Parts of [ ] mark can be used only with the version
designated.
[USA] - U.S.A.; [JPN] - Japan
GF-450K7
Micro Hi-Fi system
CONTENTS
1 SAFETY INFORMATION
2 SPECIFICATIONS
................. ................................... ................. ...
3 ADJUSTMENT AND CHECK
4 EXPLODED VIEW AND PARTS LIST
5 PC BOARDS AND PARTS LIST
6 WIRING DIAGRAM
7 INCLUDED ACCESSORIES
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Related Manuals for Teac GF-450K7
Summary of Contents for Teac GF-450K7
- Page 1 GF-450K7 Micro Hi-Fi system NOTES CONTENTS 1 SAFETY INFORMATION PC board shown are viewed from parts side............2 SPECIFICATIONS The parts with no reference number or no parts number ................ in the exploded views are not supplied.
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Page 2: Safety Information
GF-450K7 1 SAFETY INFORMATION CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER- SERVICEABLE 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 uninsulated “dangerous voltage”... -
Page 3: Specifications
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... -
Page 4: Adjustment And Check
GF-450K7 3 ADJUSTMENTS AND CHECKS ALIGNMENT PROCEDURES 3-1 TUNER SECTION Use a screwdriver with a plastic or ceramic grip for all adjustment. 3-1-1 FM adjustment 1.Set the function switch to the FM position. 2.Connect the signal generator output through a 75 ohm dummy antenna to "ANT" on MAIN PCB. - Page 5 GF-450K7 120 V UL model Tuner adjustments ITEM Spec. Limit UNIT 01. Tuning Range 02. Intermediate Frequency 03.MAX. Sens. 04. Sen. For -30db S/N 05. I.F.Rejection 06.Image Rejection at 106MHz 07.-3db limiting Sens . at98MHz 1mV 08. A.M.Suppression at 98MHz 1mV 09.
- Page 6 GF-450K7 100 V JPN model Tuner adjustments AM I.F. ALIGNMENT 1. Set the POWER BUTTON to POWER "ON". 2. Set the Radio and band button to Radio and AM BAND. 3. Connect a SWEEPSCOPE OUTPUT to AM antenna terminal. 4. Connect a SWEEPSCOPE INPUT to pin17 of IC2 through a 1uf capacitor and ground.
- Page 7 GF-450K7 MAIN PCB MAIN PCB...
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Page 8: Exploded View And Parts List
GF-450K7 4 EXPLODED VIEWS AND PARTS LIST EXPLODE VIEW... -
Page 9: Exploded View
RUBBER FOOT(PORON) DIA10mm T=2mm 58-263182600020 RUBBER FOOT DIA18 T=6mm (AC619) 58-70GF35000420 REAR BOARD 100V "TEAC GF-450-K7" [JPN] 58-70GF35000621 REAR BOARD 120V "TEAC GF-450-K7" R1 [USA] 58-71GF35000220 WOODEN PLATE 230x292x3mm 58-71GF35000420 WOODEN BOARD 449.6x58x9mm (BLACK)"GF450-K7 58-71GF35000520 WOODEN TOP COVER (BLACK) "GF450-K7"... - Page 10 GF-450K7 EXPLODED VIEW REF. NO. PARTS NO. DESCRIPTION REMARKS 66-120230210321 MACHINE SCREW RoHS MS/BH 3x10mm 66-120930214121 MACHINE SCREW RoHS MS/CH 3x14mm (BLACK) 66-120240222321 MACHINE SCREW RoHS MS/BH 4x22mm 66-120330160321 MACHINE SCREW RoHS MS/PH 3x6mm 66-120526140321 MACHINE SCREW RoHS MS/KH 2.6x4mm (H:4mm)
- Page 11 GF-450K7 EXPLODED VIEW REF. NO. PARTS NO. DESCRIPTION REMARKS 66-120230216121 MACHINE SCREW RoHS MS/BH 3x16mm (BLACK) 66-140230180321 SELF-TAPPING SCREW RoHS TA/BH 3x8mm 66-180230235121 SCREW RoHS TC/BH 3x35mm 66-140326180321 SELF-TAPPING SCREW RoHS TA/PH 2.6x8mm 66-140530210121 SELF-TAPPING SCREW RoHS TA/KH 3x10mm (BLACK) 66-140826210321 SELF-TAPPING SCREW TA/WH 2.6x10mm...
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Page 12: Pc Boards And Parts List
GF-450K7 5 PC BOARDS AND PARTS LIST MAIN PCB AUX PCB HP PCB MAIN PCB MAIN PCB HP PCB AUX PCB... - Page 13 GF-450K7 MAIN PCB ASSY REF. NO. PARTS NO. DESCRIPTION REMARKS 05-GF4500100000 PCBA-MAIN -JAPAN "GF450-K7"［JPN］ 05-GF4500100010 PCBA-MAIN -UL "GF450-K7"［USA］ 48-01GF35001121 MAIN PCB 94V0 "GF450-K7" C41,42 26-017220760121 E.CAP 2200UF 16V +-80% -20% 105C C43,81,83 26-017100750121 E.CAP 1000UF 16V +-20% 105C C87,102 26-017470850121 E.CAP 4700UF 25V +-20% 85C...
- Page 14 GF-450K7 DISPLAY PCB...
- Page 15 GF-450K7 DISPLAY PCB ASSY REF. NO. PARTS NO. DESCRIPTION REMARKS 05-GF4500400000 PCBA-DIS-JAPAN "GF450-K7" 48-04GF35000223 DISPLAY PCB 94HB 13-05GF35000120 LCD DISPLAY SDT-DA1746-TP-1 CN501 44-315312052620 2P WIRE L=120mm HSG(2)x1 (UL1571#28) J002 CN502 43-012100190530 SMD FFC.WAFER 1MM 9P 90C W/LOCK (BY CEC) CN503...
- Page 16 GF-450K7 CASS PCB CASS PCB SWITCH PCB CASS PCB SWITCH PCB...
- Page 17 GF-450K7 CASS PCB ASSY REF. NO. PARTS NO. DESCRIPTION REMARKS 05-GF4502000000 PCBA-CASS -JAPAN "GF450-K7" 48-20GF35000121 CASS PCB 94V0 110x50x1.6mm "GF450-K7" D0301 12-1N4001000021 RECTIFIER DIODE 1N4001 1A 50V J002 43-012200130120 WAFER 2mm 3P 180C J001 43-022200140120 WAFER 2mm 4P 90C J007...
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Page 18: Wiring Diagram
GF-450K7 6 WIRING DIAGRAM MAIN PCB TO DISPLAY PCB TO CASS PCB TO CD TO CASS PCB TO HP PCB TO CD TO CD TO CD TO PHONO TO DISPLAY PCB TO SPEAKER L TO AUX PCB TO TRANSF ORMER... - Page 19 GF-450K7 CASS PCB TO MAIN PCB TO DECK TO MAIN PCB TO MAIN PCB TO DECK TO MAIN PCB...
- Page 20 GF-450K7 DISPLAY PCB TO MAIN PCB TO MAIN PCB TO MAIN PCB...
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Page 21: Included Accessories
GF-450K7 7 INCLUDED ACCESSORIES INCLUDED ACCESSORIES PARTS NO. DESCRIPTION REMARKS 02-170GF4501700 REMOTE CONTROL RC-992 [USA] 02-170GF3501100 REMOTE CONTROL RC-1069 [JPN] 51-011150300010 BATTERY 1.5V AA/UM-3x2 77-20GF35000621 INSTRUCTION MANUAL "GF450-K7" [JPN] 77-20GF45000021 INSTRUCTION MANUAL (UL) (E/F/S) [USA] 77-21GF35000620 INSTRUCTION SHEET "GF450-K7" [JPN]... - Page 22 7733 Telegraph Road, Montebello, California 90640 Phone: (323) 726-0303 TEAC CANADA LTD. 5939 Wallace Street, Mississauga, Ontario L4Z 1Z8, Canada Phone: (905) 890-8008 TEAC MEXICO, S.A. De C.V Río Churubusco 364, Colonia Del Carmen, Delegación Coyoacán, CP 04100, México DF, México Phone:(5255)5010-6000 TEAC UK LIMITED Unit 19 &...
- Page 23 MAIN PCB GF-450K7 Micro Hi-Fi system...
- Page 24 DISPLAY PCB GF-450K7 Micro Hi-Fi system...
- Page 25 FLASH-ROM AT49F002 TP316 J301 D3.3V A3.3V 1 A18 D03 17 U603 C621 C316 SUA16 R306 2 A16 VSS 16 0.1u 0.01 SUA15 TP321 C314 3 A15 D02 15 C310 SUA12 22U/16V 4 A12 D01 14 C623 GF-450K7 Micro Hi-Fi system...