Teac-SR-L250i-Service-Manual电路原理图.pdf

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1、SR-L250i NOTESCONTENTS 1 SAFETYINFORMATION.2 2 SPECIFICATIONS.3 3 ADJUSTMENTANDCHECK.4 4 EXPLODEDVIEWANDPARTSLIST .8 5 PCBOARDSANDPARTSLIST.24 6 WIRINGDIAGRAM.32 7 INCLUDEDACCESSORIES .34 HI-FI TABLE RADIO/CD PC board shown are viewed from parts side. The parts with no reference number or no parts n

2、umber 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

3、exact replacement. Parts of mark can be used only with the version designated. UK - UK; EUR-Europe ! RadioFans.CN 收音机爱 好者资料库 2 SR-L250i 1 SAFETY INFORMATION Optical pickup : Type : DA23SR Manufacturer : SANYO Electric Co.,Ltd. Laser output : Less than 0.5mW on the objective lens Wavelength : 760-800

4、nm RadioFans.CN 收音机爱 好者资料库 3 SR-L250i 2 SPECIFICATIONS TUNER SECTION Frequency Range: FM: 87.50 MHz to 108.0 MHz (EUR) 76.0 MHz to 90.0 MHz, TV1 to TV3 (JP) AM: 522 kHz to 1620 kHz (EUR) 522 kHz to 1629 kHz (JP) SPEAKER SYSTEM Section Type: 60 mm x 2 Impedance: 4 ohms GENERAL Total Output Power 4 W

5、Power Requirement AC 230V.50 Hz (EUR) AC 100V.50/60 Hz (JP) Power Consumption 20 W Dimension (W x H x D ) 310 x 101 x 210 mm Weight (net) 2.2 kg Standard Accessories Remote Control Unit (RC-1150W or RC-1150B) x1 (EUR) (RC-1187W or RC-1187B) x1 (JP) Battey for Remote Control Unit (AAA) x 2 Battey for

6、 Memory Backup (CR2032) x1 AM loop antenna x 1 Dock adapter x 6 (adapter 60GB(color) + photo 40/60GB premounted) Stereo mini plug cable x 1 AC Adapter x 1 Owners Manual x 1 Warranty Card x 1 (EUR) Design and specifications are subject to change without notice. Weight and dimensions are approximate.

7、Illustrations may differ slightly from production models. 4 SR-L250i 3 ADJUSTMENTS AND CHECKS 3-1 TUNER SECTION Use a screwdriver with a plastic or ceramic grip for all adjustment. 3-1-1 AM adjustment 1. Set the function switch to the TUNER position. 2. Set the BAND switch to the AM position. 3. Con

8、nect the test loop antenna across the output of the signal generator. 4. Connect the oscilloscope to the PHONES JACK terminal. 5. Connect the digital multimeter to R430/R453 on TUNER PCB. 6. Set the signal generator as listed in the alignment chart. 3-1-2 FM adjustment 1. Set the function switch to

9、the TUNER position. 2. Set the BAND switch to the FM position. 3. Connect the signal generator output through a 75 ohm dummy antenna to ANT on MAIN PCB. 4. Connect the oscilloscope to the PHONES JACK terminal. 5. Connect the digital multimeter to R450/C404 on TUNER PCB. 6. Set the signal generator a

10、s listed in the alignment chart. 3-2 Adjustment Locations 5 SR-L250i 3-2-1 AM TUNER ITEM SG SETTING TUNER SETTING ADJUSTMENTS MEASURING POINTS. RESULT Audio Modulation Frequency Output 1.VOLTAGE adjustment 1620KHz(EUR) 1629KHz(JP) L402 AM OSC coilVT 8.8-9.2V 522KHzCheck 2.IFT adjustment 1KHz 30% 450

11、KHz 76dBuV 603KHz L401 AM IFT coil Maximun output level 3.ANT Coil adjustment 1KHz 30% 603KHz 76dBuV 603KHz L405 AM ANT coil Maximun output level 4.Adjustment 1KHz 30% 1404KHz 76dBuV 1404KHz Check Maximun output level AC voltmeter AM Signal generator AM LOOP Antenna 60CM AM S1 1K 1K VT voltage SR-L2

12、50i PHONES R453 R430 Digital multimeter 6 SR-L250i 3-2-2 FM TUNER ITEM SG SETTING TUNER SETTING ADJUSTMENTS MEASURING POINTS. RESULT Audio Modulation Frequency Output 1.VOLTAGE 108MHz (EUR) TV3 CH (JP) Check VT 7+/-0.5V 87.5MHz (EUR) 76 MHz (JP) Check 2.ANT Coil 1KHz 22.5kHz 90.1MHz (CUR) 78 MHz (JP

13、) 76dBuV 90.1MHz (EUR) 78 MHz (JP) Check Maximun output level 3.Adjustment 1KHz 22.5kHz 106.1MHz (CUR) 88 MHz (JP) 76dBuV 106.1MHz (EUR) 88 MHz (JP) Check Maximun output level Digital multimeter 75 ohm FM Signal generator AC voltmeter FM SR-L250i PHONES C404 R450 VT voltage 1K 1K 7 SR-L250i 8 SR-L25

14、0i 4 EXPLODED VIEWS AND PARTS LIST EXPLODE VIEW-1 9 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARK 1-1 010-250B0900-R DUCT COVER (COLOR:BLACK) 010-230W0300-R DUCT COVER (COLOR:WHITE) 1-2 010-250B1000-R DUCT COVER (COLOR:BLACK) 010-230W0400-R DUCT COVER (COLOR:WHITE) 1-3 023-23010033-R S

15、CREW 3X10MM BB BLACK HD 023-23010031-R SCREW 3X10MM BB NI HD 1-4 044-R230i051-R SPEAKER PAPER TUBE 18X 22X80MM 1-5 035-R230i102-R DUCT COVER L/R EVA SHEET 1-6 010-230i0100-R SPEAKER BOX L 1-7 010-250i0200-R SPEAKER BOX R 1-8 035-R230i012-R R/L SPEAKER EVA WASHER 1-9 099-39R230i1-R ABSORB COTTON A 1-

16、10 061-230i0400-R SPEAKER 2.5 4 OHM 5-8W 1-11 024-43008033-R SCREW 3X8MM PWA BLACK HD EXPLODED VIEW-1 PARTS LIST 10 SR-L250i EXPLODE VIEW-2 11 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 2-1 039-250i1111-R CD DECK BASE 2-2 039-250i0110-R CD PICK UP:DA23SR 2-3 037-SR350300-R CD RUBBE

17、R 2-4 CD PICK UP HOLDER 1C 2-5 CD PICK UP HOLDER 2A 2-6 CD PICK UP HOLDER 3A 2-7 SCREW 2.0X6MM PWB NI HD 2-8 100-250i1050-R CD PCB ASSY 2-9 023-42606032-R SCREW 2.6X6MM BB ZMC HD EXPLODED VIEW-2 PARTS LIST 12 SR-L250i EXPLODE VIEW-3 13 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 3-1

18、 SPEAKER BOX L ASSY 3-2 SPEAKER BOX R ASSY 3-3 023-23010033-R SCREW 3X10MM BB BLACK HD 3-4 023-23010032-R SCREW 3X10MM BB ZMC HD 3-5 CD DECK ASSY 3-6 023-23008032-R SCREW 3X8MM BB ZMC HD 3-7 100-250i1090-R CD DOOR SWITCH PCB ASSY 3-8 035-R230i022-R SPEAKER BOX EVA SHEET 3-9 035-R230i032-R SPEAKER BO

19、X EVA SHEET 3-10 035-R230i042-R SPEAKER BOX EVA SHEET 3-11 035-R230i052-R SPEAKER BOX EVA SHEET 3-12 035-R230i062-R SPEAKER BOX EVA SHEET 3-13 035-R230i072-R SPEAKER BOX EVA SHEET 3-14 099-39R230i1-R ABSORB COTTON A 3-15 002-250B0100-R BOTTOM CASE PANEL (COLOR:BLACK) 002-250W0100-R BOTTOM CASE PANEL

20、 (COLOR:WHITE) 3-16 023-23006032-R SCREW 3X6MM BB ZMC HD 3-17 100-230i2060-R MEMORY BATTERY PCB ASSY 3-18 020-300i0100-R MEMORY BATTERY SPRING (-VE) 3-19 020-300i0000-R MEMORY BATTERY SPRING (+VE) 3-20 010-250B0600-R MEMORY BATTERY COVER (COLOR:BLACK) 010-230W0600-R MEMORY BATTERY COVER (COLOR:WHITE

21、) 3-21 023-33010033-R SCREW 3X10MM KB BLACK HD 023-33010031-R SCREW 3X10MM KB NI HD 3-22 037-230i0100-R RUBBER FOOT EXPLODED VIEW-3 PARTS LIST 14 SR-L250i EXPLODE VIEW-4 15 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 4-1 007-250B0100-R LCD DISPLAY WINDOW (COLOR:BLACK) EUR/UK 007-250

22、S0100-R LCD DISPLAY WINDOW (COLOR:WHITE) 007-250BJ100-R LCD DISPLAY WINDOW (COLOR:BLACK) JT 007-250SJ100-R LCD DISPLAY WINDOW (COLOR:WHITE) 4-2 001-250B0100-R FRONT PANEL (COLOR:BLACK) 001-250W0100-R FRONT PANEL (COLOR:WHITE) 4-3 CD DOOR LED PCB ASSY 4-4 007-250i0500-R CD DOOR LENS 4-5 035-R250B134-

23、R CD DOOR CUSHION 4-6 010-250i0300-R CD INSERT HOLDER 4-7 023-92605032-R SCREW 2.6X5MM CB ZMC HD 4-8 035-R250i082-R LCD DISPLAY WINDOW EVA 4-9 035-R250i112-R SENSOR EVA CUSHION 4-10 080-R250i001-R LCD DISPLAY 4-11 009-250i0100-R LCD BACK LIGHT HOLDER 4-12 100-250i1030-R LCD DISPLAYER PCB ASSY 4-13 0

24、23-23010032-R SCREW 3X10MM BB ZMC HD EXPLODED VIEW-4 PARTS LIST 16 SR-L250i EXPLODE VIEW-5 17 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 5-1 020-250B0100-R SPEAKER METAL NET (COLOR:BLACK) 020-250S0100-R SPEAKER METAL NET (COLOR:SILVER) 5-2 051-R230i001-R SPEAKER METAL NET HIMERON 5

25、-3 001-250B0200-R TOP CASE PANEL (COLOR:BLACK) 001-250W0200-R TOP CASE PANEL (COLOR:WHITE) 5-4 010-250B0400-R USB COVER (COLOR:BLACK) 010-250W0400-R USB COVER (COLOR:WHITE) 5-5 010-250B0500-R USB BASE (COLOR:BLACK) 010-250W0500-R USB BASE (COLOR:WHITE) 5-6 023-23008032-R SCREW 3X8MM BB ZMC HD 5-7 01

26、0-250B0700-R iPod DOCK LOCK (COLOR:BLACK) 010-230W0700-R iPod DOCK LOCK (COLOR:WHITE) 5-8 023-23006032-R SCREW 3X6MM BB ZMC HD 5-9 100-230i2070-R iPod JACK PCB ASSY 5-10 007-230i0300-R STANDBY BUTTON RING LENS 5-11 007-230i0400-R CD OPEN/CLOSE BUTTON RING LENS 5-12 004-250S0300-R STANDBY BUTTON/CD O

27、PEN/CLOSE BUTTON 5-13 007-230i0200-R SNOOZE BUTTON RING LENS 5-14 010-230i0500-R SNOOZE BUTTON LENS COVER 5-15 023-42606032-R SCREW 2.6X6MM BB ZMC HD 5-16 004-250S0200-R SNOOZE BUTTON 5-17 004-250S0100-R FUNCTION BUTTON 5-18 100-250i1020-R KEY FUNCTION PCB ASSY 5-19 100-250i1040-R TUNER PCB ASSY (EU

28、R version) EUR 100-250i1070-R TUNER PCB ASSY(JP version) JP 5-20 015-250i0100-R TUNER PCB ADIABATIC SHEET 5-21 024-23008032-R SCREW 3X8MM BA ZMC HD 5-22 018-R250i020-R POWER IC HEAT SINK B 5-23 018-R250i010-R POWER IC HEAT SINK A 5-24 100-250i1010-R MAIN PCB ASSY (EUR version) EUR 100-250i1060-R TUN

29、ER PCB ASSY(JP version) JP 5-25 023-23010032-R SCREW 3X10MM BB ZMC HD EXPLODED VIEW-5 PARTS LIST 18 SR-L250i EXPLODE VIEW-6 19 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 6-1 TOP PANEL ASSY 6-2 086-GF290011-R FM ANT JACK TR-0001 6-3 023-13010033-R SCREW 3X10MM PB BLACK HD 6-4 089-00

30、000B23-R UL1007 26AWG 2P P=2.5MM L=2000MM BLACK 089-00000W23-R UL1007 26AWG 2P P=2.5MM L=2000MM WHITE 6-5 010-910B0100-R FM ANT COVER (COLOR:BLACK) 010-910W0100-R FM ANT COVER (COLOR:WHITE) 6-6 025-SD910011-R SPECIAL SCREW 3X10MM NI HD EXPLODED VIEW-6 PARTS LIST 20 SR-L250i EXPLODE VIEW-7 21 SR-L250

31、i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 7-1 TOP PANEL ASSY 7-2 BOTTOM CASE ASSY 7-3 023-23012033-R SCREW 3X12MM BB BLACK HD 023-23012031-R SCREW 3X12MM BB NI HD 7-4 023-23012033-R SCREW 3X12MM BB BLACK HD 7-5 FRONT PANEL ASSY 7-6 023-33010033-R SCREW 3X10MM KB BLACK HD 023-33010031-R S

32、CREW 3X10MM KB NI HD EXPLODED VIEW-7 PARTS LIST 22 SR-L250i EXPLODE VIEW-8 23 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 8-1 015-250B0100-R HANDSET PVC SHEET (COLOR:BLACK) EUR/UK 015-250W0100-R HANDSET PVC SHEET (COLOR:WHITE) 015-250BJ100-R HANDSET PVC SHEET (COLOR:BLACK) JT 015-25

33、0WJ100-R HANDSET PVC SHEET (COLOR:WHITE) 8-2 024-31405033-R SCREW 1.4X5MM KA BLACK HD 8-3 100-230i2080-R REMOTE CONTROL PCB ASSY 8-4 031-230i0110-R BATTERY SPRING (+/-VE) 8-5 031-230i0310-R BATTERY SPRING (-VE) 8-6 031-230i0210-R BATTERY SPRING (+VE) 8-7 003-250B0100-R HANDSET BOTTOM COVER (COLOR:BL

34、ACK) 003-230W0100-R HANDSET BOTTOM COVER (COLOR:WHITE) 8-8 003-250B0200-R HANDSET BOTTOM DOOR (COLOR:BLACK) 003-230W0200-R HANDSET BOTTOM DOOR (COLOR:WHITE) EXPLODED VIEW-8 PARTS LIST 24 SR-L250i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 100-250i1010-R MAIN PCB ASSY (EUR version) EUR 100-2

35、50i1070-R TUNER PCB ASSY(JP version) JP 062-R250i001-R MAIN PCB 167136MM 94V-0 REV:00 D1 077-70SS1201-R DIODE SS12 D3,4,9,10,12 077-10400201-R DIODE 1N4002 D5,6,8,11,13 077-00414801-R DIODE 1N4148 CN1,CN14 082-10700100-R CONNECTOR 7PIN P=2.0MM 180 CN2,CN11 082-10800100-R CONNECTOR 8PIN P=2.0MM 180 C

36、N3 082-20300100-R CONNECTOR 3PIN P=2.0MM 90 CN4 082-10240100-R CONNECTOR 2PIN P=2.5MM 180 CN5 082-20340100-R CONNECTOR 3PIN P=2.5MM 90 CN6 082-20600100-R CONNECTOR 6PIN P=2.0MM 90 CN7 082-32230100-R FPC CONNECTOR 22PIN P=1.0MM 180 CN8 082-20240100-R CONNECTOR 2PIN P=2.5MM 90 CN9 082-10540100-R CONNE

37、CTOR 5PIN P=2.5MM 180 CN13 082-10400100-R CONNECTOR 4PIN P=2.0MM 180 C7 072-30220251-R E/C CAP 2200UF/25V M ( 1632MM) C33,50,78,79,80 072-30100161-R E/C CAP 1000UF/16V M ( 1012MM) C75 072-30470251-R E/C CAP 4700UF/25V M ( 1632MM) IC1 075-00688839-R IC:OTI 6888-G I C2 075-00462712-R IC:LA4627 IC3 075

38、-86FS4931-R IC:TMP86FS49AUG IC4 075-27B51239-R IC:AT27BV512-70NS IC5 075-00780501-R IC:KIA7805API 618 IC6 075-LM324S22-R IC:LM324-S IC7 075-RT970169-R IC:RT9701CB IC8 075-PT231429-R IC:PT2314/SC7314 IC9 075-11175069-R IC:LM1117S-5.0V L1,2,3,7,9,10,12, 052-08356001-R HORIZONTAL FERRITE CORE: 0.8 3.56

39、MM L13,L15 L4 095-00100001-R INDUCTOR 10uH 0.5W L5,L6 052-SRL50010-R HORIZONTAL FERRITE CORE L8,L11,L14,L16 095-01000001-R INDUCTOR 100UH 0.5W Q1,9,21 076-00A73300-R TRANSISTOR:2SA733 Q11,27 076-00D88200-R TRANSISTOR:2SD882 Q13,17 076-00B77200-R TRANSISTOR:2SB772 Q19 076-0A102000-R TRANSISTOR:2SA102

40、0 Q26 076-00B54400-R TRANSISTOR:2SB544 Q2,3,8,10,12,14, 076-00C94500-R TRANSISTOR:2SC945 Q15,16,18,20,22, Q23,24,25 JK1 064-20110102-R DC JACK 2.0MM MODEL: TD0202-20G JK2 064-35020111-R AUX JACK 3.5MM MODEL: E-03506S-05 JK3 064-35020101-R HEADPHONE JACK 3.5MM MODEL: TE-03506S-11 XT1 093-08000002-R X

41、TAL 8MHz XT2 093-A0327682-R XTAL 32.768KHz XT3 093-11431802-R XTAL 14.318MHz ZD2 077-3006B10H-R ZENER DIODE 5.6V 0.5W MODEL: HZ6B1 ZD3 077-3011A30H-R ZENER DIODE 10V 0.5W MODEL: HZ11A3 ZD4 077-3007B10H-R ZENER DIODE 6.8V 0.5W MODEL: HZ7B1 ZD5 077-3004B20H-R ZENER DIODE 3.9V 0.5W MODEL: HZ4B2 ZD6 077

42、-3009B20H-R ZENER DIODE 8.6V 0.5W MODEL: HZ9B2 MAIN PCB ASSY 5 PC BOARDS AND PARTS LIST SR-L250i 25 MAIN PCB 26 SR-L250i REF.NOTEACPARTSNO.PARTSNO.DESCRIPTIONREMARKS 100-250i1040-RTUNERPCBASSY(EURversion)EUR 100-250i1070-RTUNERPCBASSY(JPversion)JP 062-R250i004-RTUNERPCB:204113MM94-HBREV:00 C453072-3

43、0100161-RE/CCAP1000UF/16VM(1012MM) CF401,CF402081-31070201-RFMCERAMICFILTER,L10.7MA5-A3PIN CF403093-11070005-RCERAMICFILTERCDA10.7MG822PIN CF404081-04500000-RAMCERAMICFILTER,SFU450B3PIN D403,404,405,406,077-00414801-RDIODE1N4148 D407,408,409,410 IC401075-TA209901-RIC:TA2099N IC403075-09257F21-RICTC9

44、257F L401079-D2800011-RAMIFTCOILYELLOW(3A007C) L402079-D2930210-RAMOSCCOIL3M005RED L403,L404095-30080002-RINDUCTOR8mH0.5W L405079-R230i010-RAMANTCOIL(MODEL:452B) L408,L409095-00470001-RINDUCTOR47uH0.5W L410095-30390002-RFERRITECORE:39mH JK401082-33070400-RPODCONNECTOR30PINP=0.5MM180 Q401,403,405,406

45、,076-00C94500-RTRANSISTOR:2SC945 Q408,409,410,411 Q402076-09018H00-RTRANSISTOR:9018H Q404076-00A73300-RTRANSISTOR:2SA733 Q414076-2SK19220-RMOSFET:2SK192 VD401,VD402077-50014901-R1SV149(TOSHIBA) X401054-0GP18000-RFMANTFILTERGFMB3 ZD401,ZD402077-3005B10H-RZENERDIODE5.0V0.5WMODEL:HZ5B1 ZD403077-3009A20

46、H-RZENERDIODE8.2V0.5WMODEL:HZ9A2 TURNERPCBASSY 27 SR-L250i TURNERPCB 28 SR-L250i REF.NOTEACPARTSNO.PARTSNO.DESCRIPTIONREMARKS 100-250i1020-RKEYFUNCTIONPCBASSY 062-R250i002-RKEYFUNCTIONPCB:13663MM94-HBREV:00 LED201,203,094-06020501-RBLUELED:3MM LED204,205 Q201076-00C94500-RTRANSISTOR:2SC945 Q202.076-

47、00A73300-RTRANSISTOR:2SA733 SW201,202,203, 063-0GP28020-RTACTSW.H=5.0MM SW204,206,207, SW208,209,210, SW211,212,213, SW214,215 SW205063-SLD90001-RTAA-4PV050-250.(H=5.0MM250g) KEYFUNCTIONPCBASSY REF.NOTEACPARTSNO.PARTSNO.DESCRIPTIONREMARKS 100-250i1030-RLCDDISPLAYERPCBASSY 062-R250i003-RLCDDISPLAYERPCB:16436MM94-HBREV:00 IC301075-HT162139-RIC:HT1621B(SSOP-A) IR301083-00LT1000-RRECEIVESENSOR LCD301080-R250i001-RLCDDISPLAYSIZE:9337.5MMMODEL: LCDDISPLAYERPCBASSY REF.NOTEACPARTSNO.PARTSNO.DESCRIPTIONREMARKS 100-250i1050-RCDPCBASSY 062-R250i005-RCDPCB:116118MMFR-4THK=1.0MMREV:00 CN501082-52230300