Teac-GF-350-Service-Manual电路原理图.pdf
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1、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 m
2、ust be replaced with identical ensure exact replacement. ! components - refer to the appropriate parts list and 2 SPECIFICATIONS 2 4 EXPLODED VIEW AND PARTS LIST 5 PC BOARDS AND PARTS LISTS 6 WIRING DIAGRAM 7 INCLUDED ACCESSORIES 1 SAFETY INFORMATION 3 Compact Hi-Fi Stereo System 6 15 17 3 ADJUSTMEN
3、T AND CHECKS4 GF-350 9 RadioFans.CN 收音机爱 好者资料库 1 SAFETY INFORMATION 2 GF-350 USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY HAZARDOUS RADIATION EXPOSURE.RESULT IN SAFETY INFORMATION This product has been designed and manufactured according to FDA reg
4、ulations 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 not hazardous invisible laser radiation during operation because invisible laser radiation emitted inside of this product is completely
5、 confined in the protective housings. The label required in this regulation is shown . 1 CAUTION DO NOT REMOVE THE PROTECTIVE HOUSING USING SCREWDRIVER. IF THIS PRODUCT DEVELOPS TROUBLE, MAKE A CONTACT WITH OUR SERICEMAN, AND DO NOT USE THE PRODUCT A TROUBLED STATE. Optical pickup:Type : SF-W36FR La
6、ser output : Less than 1 mW (Play) on the objective lens Wavelength : 783 nm Manufacturer : SANYO Electric Co.,Ltd. SERIAL NO. MADE IN CHINA ! CAUTION DO NOT OPEN NE PAS OUVRIR. AVIS RISK OF ELECTRIC SHOCK : RISQUE DE CHOC ELECTRIQUE FM ANTENNA TEAC MODEL NO . GF-350 COMPACT HI-FI SYSTEM TEAC CORPOR
7、ATION 55W 120V 60Hz TOKYO JAPAN THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE,AND (2) THIS DEVICE MUST ACCEPT ANY INTERFER- ENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPE
8、RATION. 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 2005 1 FOR U.S.A. : Less than 5 mW (Record) on the objective lens : Less than 10 mW (Erase) on the obj
9、ective lens RadioFans.CN 收音机爱 好者资料库 2 SPECIFICATIONS GF-350 3 TUNER Section Frequency Range (FM):87.5MHz to 108.00 MHz CD PLAYER Section Frequency Response:50 Hz to 20 kHz (+/- 1dB) Wow and Flutter:Unmeasurable Frequency Range (AM):530kHz to 1710 kHz SPEAKER SYSTEM Section Type:1-way Impedance:4 ohm
10、s AMPLIFIER Section Out Power:3.5W + 3.5W Frequency Response60 Hz to 20 kHz Record Player Section Motor:DC servo motor Driver System:Belt Drive Speed:33-1/3 rpm, 45 rpm, 78 rpm Power Requirements: 120V AC,60Hz GENERAL Dimension (W x H x D ): Weight: Standard Accessories: Warranty Card x 1 480 x 230
11、x 380 mm 10.5 kg Power Consumption: Owner s Manual x 1 , 55 W Wow and flutter: Less than 0.15% (WDT) Cartridge type:Ceramic Stereo Cartridge Stylus:STL-153 Design and specifications are subject to change without notice. Illustrations may differ slightly from production models. Weight and dimensions
12、are approximate. Remote Control x 1 Battery 1.5V SS/UM-3 GF-350 4 3 ADJUSTMENTS AND CHECKS Use a screwdriver with a plastic or ceramic grip for all adjustment. 3-1 TUNER SECTION 3-1-2 AM adjustment 1. To turn on the power. 2. Set the FUNCTION SELECTOR to RADIO & FM BAND. 3. Connect a SWEEP SCOPE OUT
13、PUT to pin21 of IC1 through a 20pF capacitor and ground. 3-1-1 FM adjustment 4. Connect a SWEEP SCOPE INPUT to pin13 or 14 of IC1through a 1uF capacitor and ground. 5. Connect an RF generator to the FM antenna terminal and ground. 6. Connect a SCOPE & VTVM across the speaker output. 1. To turn on th
14、e power. 2. Set the FUNCTION SELECTOR SWITCH to RADIO & AM BAND. 3. Connect a SWEEP SCOPE OUTPUT to AM antenna terminal. 4. Connect a SWEEP SCOPE INPUT to pin13 or 14 of IC1through a 1uF capacitor and ground. 5. Connect an RF generator to a standard radiating loop. 6. Connect a SCOPE & VTVM across t
15、he speaker output. 3-2 Adjustment and Test Points MAIN PCB L3 L2 PVC1 L6 C1 C2T3 T2 C3 C4 AM ANT COIL 5 ITEMADJUSTMENT POINTADJUSTMENTSG SETTINGTUNER SETTING 3. Tracking 3. Tracking 108MHz 106MHz 106MHz Repeat step 3 to obtain max adjust. 90MHz 90MHz 108MHz 87.5MHz 87.5MHz 1kHz, +/-22.5kHz dev. 1kHz
16、, +/-22.5kHz dev. 1kHz, +/-22.5kHz dev. 1kHz, +/-22.5kHz dev. L2 ( FM RF COIL) PVC (C2) Adjust for max.output. Adjust for max. output 1. IF adjustment 2. AM band 450 kHz 1710kHz 1710kHz 1710kHz Repeat step 3 to obtain best tracking. 600kHz 600kHz 1400kHz 1400kHz 530kHz 530kHz 1kHz, 30% mod 1kHz, 30%
17、 mod 1kHz, 30% mod 1kHz, 30% mod 1kHz, 30% mod L6 (AM OSC COIL) AM ANT COIL PVC (C4) T2 (AM IF) AM Center & max.output. Adjust for max. output. Adjust for max. output 3-2-1 FM/AM alignment chart 2. FM band FM 3-2-2 CD alignment Auto alignment. 1. IF adjustment10.7MHz108MHzT3 (FM ORG) With 10.7 MHz a
18、t zero crossover L3 (FM OSC COIL) PVC (C1) PVC (C3) GF-350 FM 69 58 32 30 12 62 17 1 13 13 21 70 18 20 86 70 43 8 73 62 62 42 73 62 73 62 73 62 78 71 66 7 3 59 82 14 19 15 16 69 34 26 10 5 33 23 22 9 24 6 66 28 27 66 85 66 69 36 27 2 65 45 27 4 66 71 50 11 57 52 51 84 52 72 67 65 31 65 77 27 67 65 6
19、7 65 80 30 69 30 30 89 92 95 94 96 93 91 29 88 90 35 79 70 41 72 36 36 69 69 58 55 30 72 58 80 30 55 55 72 36 69 70 74 6174 61 54 25 70 70 63 68 61 70 61 68 63 75 70 X4 81 61 68 35 68 68 49 40 64 54 53 44 47 38 76 X4 47 83 46 56 87 56 64 64 54 53 53 60 44 74 60 64 60 64 54 37 60 64 74 48 54 44 39 74
20、 48 74 61 61 48 62 74 74 74 61 61 44 74 GF-350 6 4. EXPLODED VIEWS AND PARTS LIST EXPLODED VIEW 1 1-2 1-3 1-4 1-5 1-7 1-8 1-9 1-10 1-6 1-12 1-13 1-14 1-15 1-11 REMARKSREF. NO EXPLODED VIEW-1 PARTS NO.DESCRIPTION GF-350 57-26GF35000020FILTER PLATE - 1 1-1 56-79GF3500B000TUNING SHAFT WOODEN TOP COVER5
21、8-71GF35000120 56-54GF3506B010OPEN/CLOSE KNOB PULLEY BRACKET (1)56-07GF3501B000 56-07GF3505B000LAMP BRACKET 56-80S16800B000SPEAKER PANEL STUD 56-14GF3500B010CD DOOR 56-54GF3504B000TRACK/RECORD KNOB 61-11GF35000020CD MACHINE BRACKET - L 58-73GF35000020WOODEN BOX 58-70GF35000020REAR BOARD 56-04GF3500B
22、010FRONT PANEL 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 1-30 1-31 1-32 1-33 1-34 1-35 1-36 1-37 1-38 1-39 1-40 1-41 1-42 1-43 1-44 1-45 1-46 56-07GF3500B000DIAL BRACKET DIAL DRUM56-25GF3500B000 58-263202600120HARD RUBBER FOOT 56-76ST1500B000DIAL PULLEY 56-86GF3501B000 56
23、-54GF35008000TUNING KNOB STOP/PLAY/PAUSE KNOB56-54GF3505B010 7 56-07GF3502B000PULLEY BRACKET (2) 56-07GF35039000LCD HOLDER 56-07GF35049000DIAL BACK LIGHT LENS HOLDER DIAL BACK LIGHT LENS COVER - L 56-54GF35018000VOLUME/REC. LEVEL KNOB 56-54GF3502B000POWER KNOB 56-54GF3503B000PHONE/AUX, FM/AM, CD KNO
24、B 56-54GF3507B000ERASE/FINALIZE KNOB 56-54GF3508B000MUSIC SKIP KNOB 56-57GF35000010DISPLAY LENS 56-57GF35019000REC KNOB LENS 56-57GF35020000LCD BACK LIGHT LENS 56-57GF35030010 WOODEN BOX COVER PLATE 56-75GF3500G000POINTER 56-79GF3501B000SHAFT ADAPTOR 56-86GF3500B000SPEAKER FRAME - L 57-26GF35000120
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