Teac-LT-1-Service-Manual电路原理图.pdf

上传人：cc518

文档编号：87694

上传时间：2020-10-11

格式：PDF

页数：28

大小：6.67MB

《Teac-LT-1-Service-Manual电路原理图.pdf》由会员分享，可在线阅读，更多相关《Teac-LT-1-Service-Manual电路原理图.pdf（28页珍藏版）》请在收音机爱好者资料库上搜索。

1、LT-1/LT-1B 1 SAFETY INFORMATION 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 sa

2、fety critical components. they must be replaced with identical ensure exact replacement. ! components - refer to the appropriate parts list and 2 SPECIFICATIONS 4 EXPLODED VIEW AND PARTS LIST 5 PC BOARDS AND PARTS LISTS 6 WIRING DIAGRAM 7 INCLUDED ACCESSORIES 2 3 7 12 22 24 3 ADJUSTMENT AND CHECKS 4

3、 WITH REMOTE CONTROL Parts of mark can be used only with the version designated. T/C: UL/CSA (LT-1) EX/T: UNI (LT-1) CD / RADIO EUR: VDE (LT-1B) RadioFans.CN 收音机爱好者资料库 1 SAFETY INFORMATION 2 LT-1/LT-1B USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY

4、HAZARDOUS RADIATION EXPOSURE.RESULT IN 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 not hazar

5、dous 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 . 1 CAUTION DO NOT REMOVE THE PROTECTIVE HOUSING USING SCREWDRIVER. IF THIS PRODUCT DEVEL

6、OPS TROUBLE, MAKE A CONTACT WITH OUR SERICEMAN, AND DO NOT USE THE PRODUCT A TROUBLED 1 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 SERIAL NO. FOR U.S.A.

7、Optical pickup: Type : KSM-213CDM Laser output : Less than 0.5 mW on the objective lens Wavelength : 770 -795 nm Manufacturer : SONY Corporation STATE. CERTIFICATION THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J APPLI- CABLE AT DATE OF MANUFACTURE. TEAC CORPORATION 3-7-3, NAKA-CHO, MUSAS

8、HINO-SHI, TOKYO, JAPAN MANUFACTURED : LTC THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN ICES-003. CET APPAREIL NUMERIQUE DE LA CLASS B. EST CONFORM A LA NORME NMB-003 DU CANADA. THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS:(1) THIS

9、DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE,AND (2) THIS DEVICE MUST ACCEPT ANY INTERFER- ENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION. SERIAL NO. LABEL MODEL NO . LT-1 CD RADIO WITH REMOTE CONTROL TEAC CORPORATION 40W120V60Hz MADE IN CHINA ! CAUTION DO NOT OPEN NE PAS OUVR

10、IR. AVIS RISK OF ELECTRIC SHOCK : RISQUE DE CHOC ELECTRIQUE FM ANT RadioFans.CN 收音机爱好者资料库 2 SPECIFICATIONS LT-1/LT-1B TUNER Section Frequency Range (FM):87.5MHz to 108.00 MHz (100kHz step) - U.S.A 3 Power Requirements: 120V AC,60Hz (U.S.A/Canada Model) CD PLAYER Section Frequency Response:20 Hz to

11、20 kHz (+/- 1dB) Wow and Flutter:Unmeasurable SPEAKER SYSTEM Section Type:1-way Impedance:8 ohms (L & R) GENERAL 120/230V AC,50-60Hz (General Export Model) 8 ohms (subwoofer) Design and specifications are subject to change without notice. Illustrations may differ slightly from production models. Dim

12、ension (W x H x D ): Weight: Standard Accessories: Warranty Card x 1 357 x 205 x 247.5 mm 5.8 kg (12-13/16 lb) Power Consumption:40 W Owner s Manual x 1 , (14-1/18 x 8-1/16 x 9-3/4) inches Remote Control (RC-910) x 1 Total Output Power :15 W Frequency Range (AM): 520kHz to 1710 kHz (10kHz step) - U.

13、S.A 522kHz to 1620 kHz (9kHz step) - EUR 87.5MHz to 108.00 MHz (50kHz step) - EUR 230V AC,50Hz (EUR) 4 LT-1/LT-1B 3 ADJUSTMENTS AND CHECKS Use a screwdriver with a plastic or ceramic grip for all adjustment. 3-1 TUNER SECTION L3 AM ANT COIL L4 TC1 LT-1 TUNER PCB L5 1. Set the function switch to the

14、TUNER position. 3. Connect the signal generator output through a 75 ohm dummy 3. Connect the oscilloscope to the PHONE JACK terminal. 4. Set the signal generator as listed in the alignment chart. 3-1-2 FM adjustment antenna to ANT on TUNER PCB.CN8. 2. Set the BAND switch to the FM position. CN8 TUNE

15、R 1. Set the function switch to the TUNER position. 2. Connect the test loop antenna across the output of the signal generator. 3. Connect the oscilloscope to the PHONE JACK terminal. 4. Set the signal generator as listed in the alignment chart. 3-1-1 AM adjustment 2. Set the BAND switch to the AM p

16、osition. 3-2 Adjustment and Test Points Fig. 3-2-1 3-2-2 AM Tuner LT-1/LT-1B 5 60 cm AM Loop AM Signal Generator Antenna PHONES LT-1 Fig. 3-2-3 1 k ohm 1 k ohm AC Voltmeter AM ITEMADJUSTMENT POINTADJUSTMENTSG SETTINGTUNER SETTING AM 2. IFT450kHz 600kHz (USA) 1kHz, 30% mod L5 Adjust for max.output. 3

17、. ANT COIL Repeat step 3 600kHz 1400kHz 1kHz, 30% mod 1kHz, 30% mod L3 TC1 Adjust for max. output. Adjust for max. output and best waveform. AM ant coil 600kHz (USA) 603kHz (EUR) 1400kHz (USA) 1404kHz (EUR) 603kHz (EUR) 1. VOLTAGE adjustment 1710kHz (USA) 1620kHz (EUR) L4 Check VT 8.0V VT 1.5V 522kH

18、z (EUR) 520kHz (USA) adjustment 4. TC1 adjustment adjustment repeat srep 3 and 4 3-2-4 FM Tuner 6 LT-1/LT-1B 75 ohm FM LT-1 PHONES Fig. 3-2-5 1 k ohm 1 k ohm AC Voltmeter FM Signal Generator adjustment 1. VOLTAGE 90.1MHz 106.1MHz Check Check VT 5.5-5.9V VT 1.2-1.6V ITEMADJUSTMENT POINTADJUSTMENTSG S

19、ETTINGTUNER SETTING FM LT-1/LT-1B 4 EXPLODED VIEWS AND PARTS LIST EXPLODED VIEW - 1 1 1 2 2 3 3 4 4 6 6 7 7 7 7 8 8 8 8 9 9 5 5 11 11 11 11 11 11 12 12 12 12 12 12 12 12 13 13 13 13 14 14 15 15 16 16 17 17 17 17 19 19 20 20 18 18 21 21 22 22 23 23 23 23 25 25 24 24 26 26 27 27 27 27 29 29 29 29 30 3

20、0 28 28 31 31 31 31 31 31 31 31 33 33 32 32 34 34 34 34 1010 7 011-0LT10100HEAT SINK BKT 061-0LT10800SPEAKER 2 INCHES 8 OHM 099-39SLD901ABSORB COTTON - A 021-13008032SCREW 3x8MM PT ZMC 100-LT1B1000MAIN PCB ASSY EUR ABSORB COTTON-C099-39SLD902 024-43010033SCREW 3X10MM PWA BLK 035-SLD90052 1-1 1-2 1-3

21、 1-4 1-5 1-7 1-8 1-9 1-10 1-6 1-12 1-13 1-14 1-15 1-11 1-17 1-18 1-19 1-20 1-16 1-22 1-23 1-24 1-25 1-21 1-27 1-28 1-29 1-30 1-26 1-32 1-33 1-34 1-31 REMARKSREF. NO EXPLODED VIEW-1 PARTS NO.DESCRIPTION 035-SLD90022EVA SHEET (A) EVA SHEET (D) TUNER PCB ASSY EUR 011-SD900100CD PCB SHIELD PLATE 010-0LT

22、10200RIGHT SPEAKER BOX COVER 100-0LT12100CD PCB ASSY T/C, EX/T 010-0LT10100LEFT SPEAKER BOX COVER 087-00000007AC CORD UL T/C 087-00000027 001-0LT10100BOTTOM CABINET T/C , EUR 035-SLD90032EVA SHEET (B) 010-SD900600CORD STOP 021-23014033SCREW 3X14MM BT BLK 022-23008033SCREW 3x8MM BM BLK 021-13010032SC

23、REW 3x10MM PT ZMC 100-0LT02000MAIN PCB ASSY T/C, EX/T 023-13006032SCREW 3x6MM PB ZMC 021-44010032SCREW 4x10MM PWT ZMC 035-00LT1052WOOFER SPEAKER EVA WASHER 044-SLD90040SPEAKER PAPER TUBE (BOTTOM) 011-SD900401TRANSFORMER BKT TRANSFORMER UL 120V/60HZ T/C084-SD900200 084-SD900100 035-SD900082R/L SPEAKE

24、R EVA WASHER 100-LT1B1010CD PCB ASSY EUR TUNER PCB ASSY T/C, EX/T100-0LT12020 100-LT1B1020 035-00LT1042EVA SHEET (G) 010-0LT10300WOODEN BOX TRANSFORMER VDS 230V/50HZ EUR AC CORD UL EX/T 011-0LT10200TUNER PCB SHIELD PLATE 061-0LT10801SPEAKER 3 INCHES 8 OHM ! ! SCREW 4x15MM PWT ZMC021-44015032 SCREW 4

25、x18MM PWT ZMC021-44185032 8 LT-1/LT-1B 001-0LT10300BOTTOM CABINET EX/T 084-SD900700TRANSFORMER 120/ 230 EX/T 087-00000001AC CORD UL EUR ! ! ! ! ! LT-1/LT-1B EXPLODED VIEW - 2 1 1 2 2 3 3 4 4 6 6 7 7 8 8 9 9 5 5 5 5 11 11 11 11 12 12 12 12 13 13 13 13 14 14 15 15 16 16 17 17 19 19 20 20 18 18 21 21 2

26、2 22 23 23 25 25 24 24 26 26 27 27 27 27 29 29 30 30 28 28 31 31 32 32 33 33 34 34 35 35 36 36 37 37 3939 4040 3838 41 41 42 42 43 43 44 44 45 45 45 45 46 46 46 46 47 47 47 47 47 47 47 47 49 49 50 50 48 48 51 51 56 56 52 52 53 53 54 54 54 54 71 71 55 55 5959 5959 57 57 6060 6060 6060 6060 6060 5858

27、6161 6161 62 62 6363 63 63 6363 64 64 66 66 6666 6666 6666 6565 6565 6767 6767 6868 7070 6868 6868 6868 6868 6868 6868 68 68 6969 6969 1010 9 54 54 54 54 73 73 7272 031-0LT10010 010-0LT10800 039-SD901210CD MECHA - SONY 002-0LT10000CD TRAY TUNER LENS - R007-0LT10200 010-SD900500 009-00800000CD PICK U

28、P COVER 010-SD901200CD DOOR LOCK 004-0LT10500BASS VOLUME KNOB 011-0LT10600BBS KNOB BRACKET SW COVER - R 011-0LT10300CD BRACKET 100-0LT12050SNOOZE PCB ASSY 100-0LT12030CD SWITCH PCB ASSY 008-0GP18000GEAR DUMPER ASSY SW COVER - L CD CONTROL KEY 004-0LT10100SELECTOR KEY 007-0LT10000LCD LENS 009-0LT1020

29、0LCD BACK LIGHT HOLDER 010-SD900700VOLUME SPRING COVER 2-1 REF. NO EXPLODED VIEW-2 PARTS NO.DESCRIPTION 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 2-12 2-13 2-14 2-15 2-16 2-17 2-18 2-19 2-20 2-21 2-22 2-23 2-24 2-25 2-26 2-27 2-28 2-29 2-30 2-31 2-32 2-33 2-34 2-36 2-37 2-38 2-39 2-40 2-41 2-42 2-43

30、 2-44 2-45 2-46 2-47 2-48 037-0LT10100CD RUBBER CUSHION - BLACK 037-0LT10200CD RUBBER CUSHION - PINK 010-0LT10000FRONT GRILL 051-00LT1000SPEAKER NET NIMERON 001-0LT10000FRONT CABINET 007-0LT10300RC SENSOR COVER PVC WASHER 12x6.1x0.2MM 012-02120612 VOLUME SPRING 007-0LT10100VOLUME LENS - L 010-0LT107

31、00 100-0LT12010CONTROL PCB ASSY REMARKS CD DOOR SPRING WOOFER VR PCB ASSY 2-35 TUNER/VOLUME SWITCH LEVER009-28000000 004-0LT10400SNOOZE KNOB 100-0LT12040HEAD PHONE JACK PCB ASSY 004-0LT10300 100-0LT12090 031-28000010 010-SD900800TUNER SPRING COVER 011-0LT10400SIDE PANEL BRACKET - A 016-0LT10100SIDE

32、BOARD - L T/C ,EX/T SIDE PANEL BRACKET - B 016-LT1B0100SIDE BOARD - L 011-0LT10500 EUR 035-00LT1032SIDE PANEL CUSHION - B 035-00LT1022SIDE PANEL CUSHION - A 011-0LT10000CABINET BKT 010-0LT10500LCD LENS RING 080-00LT1021LCD DISPLAY 006-0LT10000CD DOOR 052-SLD90000CD MIGNET 051-SLD90000CD CLAMPER HIME

33、RON (A) CD CLAMPER 010-0LT10400CD DOOR CATCH 010-0LT10900CD DOOR COVER LT-1/LT-1B 10 039-LT980130CD MECHA - SAMSUNG REF. NO EXPLODED VIEW-2 PARTS NO.DESCRIPTIONREMARKS 11 LT-1/LT-1B 2-50 2-51 2-52 2-53 2-54 2-55 2-56 2-57 2-58 2-59 2-60 2-61 2-62 2-63 2-64 2-65 2-66 2-69 2-70 SCREW 3x6MM KB BLK HD02

34、3-33006033 004-0LT10000VOLUME/TUNER KNOB SCREW 3x6MM PB ZMC023-13006032 021-13010032SCREW 3x10MM PT ZMC 023-42606032SCREW 2.6x6MM PWB ZMC 024-23008033SCREW 3x8MM BA BLK 021-23020033SCREW 3x20MM BT BLK 021-23014033SCREW 3x14MM BT BLK STAND - L009-0LT10000 009-0LT10100STAND - R 016-LT1B0200SIDE BOARD

35、- R EUR SIDE BOARD - R T/C,EX/T016-0LT10200 021-23010031SCREW 3x10MM BT NI 003-0LT10200HANDSET HOLDER REAR CABINET PVC SHEET 037-0LT10000RUBBER FOOT 015-0LT10100 022-93008033SCREW 3x8MM CM BLK SCREW 3x8MM PT ZMC021-13008032 023-43008033SCREW 3x8MM PWB BLK 021-43010032SCREW 3x10MM PWTZMC 2-67 2-68 02

36、2-23008033SCREW 3x8MM BM BLK 023-24012033SCREW 4x12MM BB BLK 2-71023-32606031SCREW 2.6x6MM KB ZMC 2-49001-0LT10200REAR CABINET T/C 001-0LT10400REAR CABINET EX/T 001-LT1B0100REAR CABINET EUR 2-72 2-73 100-0LT12070TUNER LED PCB ASSY VOLUME LED PCB ASSY100-0LT12080 5 PC BOARDS AND PARTS LIST MAIN PCB A

37、SSY REF. NOREMARKSPARTS NO. 100-LT1B1000 MAIN PCB ASSY T/C ,EX/T DESCRIPTION C64,67,68 C12 C9 D5-8 CN1 D1-4 CN3,9 CN2 ! CN4 CN15 CN6 CN11,19 D9-15,22 IC3 IC8 IC4 IC5,6 IC7 IC12 ZD1 Q3 L1 Q1,2,4,5,8, Q12-18 Q6,9 Q7 FUSE01,02 MAIN PCB CE, 25V 1000UF CE, 25V 4700UF DIODE IN4002 072-30100251 072-3047025

38、1 077-10400201 062-SLD90000 072-30220251CE, 25V 2200UF CONNECTOR 4P P=2.5MM082-10440100 DIODE IN5392077-10539201 CONNECTOR 3PIN P=2MM082-10300100 CONNECTOR 3PIN P=2.5MM082-10340100 082-10240100CONNECTOR 2PIN P=2.5MM 082-21250100FPC CONNECTOR 12PIN P=1.25MM 082-20500100CONNECTOR 5PIN P=2MM 082-205401

39、00CONNECTOR 5PIN P=2.5MM 077-00414801DIODE IN4148 075-00405201IC-TC4052BP 075-00780801IC-AN7808 075-00926001IC-TC9260P 075-01521808IC-BA15218 075-00821841IC-TA8218AH 075-00780501IC-KIA7805PI ZENER DIODE 10V HZ11B2077-3011B20H 076-C2001L00TR-2SC2001L 078-06301952FM COIL D3x19.5Tx0.5MM 076-00C94500TR-

40、2SC945 TR-2SA733076-00A73300 076-00B54400TR-2SB544F 090-22520022 090-22520023 FUSE T2AL 250V EX/T, EUR FUSE SLA 2A 250V T/C ! ! ! ! ! 100-0LT02000 MAIN PCB ASSY EUR 12 LT-1/LT-1B ! LT-1/LT-1B 13 R1 R121 C12 Q4 T2AL/250V FUSE01 T2AL/250V FUSE02 CN1 C32 CN15 R120 R119 J21 J38 C9 J11 J13 J12 J17 CN11 C

41、N19 C65 J37 R17 J8 J9 C62 J3 C56C57C55C51 C61 R59 R58 C59 C64 C52 C77 R130 J6 J4 J5 R2 D22 C28 R70 R112 J35 J36 Q32 Q31 C139 R177 R171 R175 R173 R176 R174 R172 R127 R128 R60 C35 R87 C80 J28 J27 Q15 R55 J25 R32 J18 J15 J14 J16 D11 Q6 D15 R44 C33 C29 R46 R47 R49 R48 C30 R51 R50 C36 R53 R52 R61 R57 R56

42、 R54 C42C41 R65 R64 R62 R63 C38C40C39 C37 D12 J20 J10 C83 C79 C18 L1 C17 C16 C15 C14 C13 C11 C10 ZD1 D10 D9 R18 R16 R14 R13 R12 R11 R10 R9 R7 R6 R5 R4 R3 D1 D2 D4 D3 IC3 IC5 IC4 CN6 CN7 C3 C6 D6 C5 C8 C7 D8 D7 C4 C2 C1 D5 R107 R108 R109 R110 R111 R113 R115 R116 R117 R118 R124 R125 R126 R123 C70 R103

43、 R106 R105 C71 C72 R101 R99 R97 C84 R122 R96 C78 R94 R89 C75 C73 J34 J30 J31 R104 R95 R93 R91 C76 C74 R88 R86 R100 R102 C81 R90 R98 R92 J33 J29 Q1 Q3 Q5 Q7 Q9 J2 R84 R82 R83 C60 C63 CN2 CN3 C54 C53 C50 R80 R74 C48 R73 C44 R71 R72 R77 C46 C49 R79 R75 C47 R69 C43 R67 R68 R76 C45 Q12 Q13 Q14 Q16 Q17 Q1

44、8 R26 R27 R28 R29 R31 R33 R34 R35 R36 R38 R39 R41 R42 R43 C22 C23 C24 C25C26 C27 R40 R37 CN9 31C C68 C67 D13 C19 C20 J24 R78 J23 R66 C82 J32 J26 IC6 C86 R114 Q8 R15 J39 Q2 R8 D14 R132 R131 R135 R134 C58 R129 CN4 J22 J19 J1 R25 C141 C88 C87 C140 C69 C85 2002.09.06 G.F.KOU 5.7V +8V CD-P GND POW MUTE V

45、-CE V-CL V-DA FU-A FU-B TU-P WOOFERSPEAKER-L SPEAKER-R R R G L - + TUNER IN OUT G IN MG LR L G CD IN AUX INPUT L G R SL-D90 MAIN PCB 8V G IC12 IC8 062-SLD90000 REV.02 94-V0 E193177 SL-D90 MAIN PCB MAIN PCB IC7 TUNER PCB ASSY REF. NO Q27 D16-21 IC1 IC2 ZD3 F001 Q28,29,30 XT1 CF1,2 L2 L3 CF3 CF5 DESCR

46、IPTION TUNER PCB ASSY T/C,EX/T TUNER PCB TR-2SA733 DIODE - 1N4148 IC-TA2057N IC-TC9257F CONNECTOR 6PIN P=2MM ZENER DIODE 5.2V FM ANT FILTER GFMB3 CER.FILTER SFU450B FERRITE BAR 10X80MM INDUCTOR 220UH TR-2SC945 CER.FILTER L10.7MA5-A RESONATOR B456F16 REMARKS CF4 PARTS NO. 100-0LT12020 062-00LT1005 07

47、6-00A73300 077-00414801 075-00205701 075-09257F21 082-10600100 077-3005B20H 054-0GP18000 093-04500000 081-04500000 056-10080001 095-10220001 076-00C94500 096-D2930010 081-31070001 093-A4560001 093-11070003CERAMIC FILTER JT10.7MG57-A 100-LT1B1020TUNER PCB ASSY EUR CN10 AM COIL 68:20T L4 L5 AM OSC COIL - RED079-D2930210 079-D2800011AM IFT COIL - YELLOW VD1,VD2VAR-DIODE ISV149077-50014901 CRYSTAL 4.500MHZ TC1TRIMMER CAP 20PF073-00020022 T001TUNER PACK - 88-108MHZ055-SLD90000 14 LT-1/LT-1B TUNER PCB LT-1/LT-1B 15 LT-1/LT-1B REF. NOPARTS NO.DESCRIPTION CD PCB ASSY REMARK 100-0LT12100 CD PCB