Teac-SR-L250i-Service-Manual(1) 电路图 维修手册.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. RadioFans.CN 收音机爱 好者资料库 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
8、 the AM position. 3. Connect 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
9、 the function switch to 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. Se
10、t the signal generator as 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
11、 adjustment 1KHz 30% 450KHz 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 S
12、1 1K 1K VT voltage SR-L250i 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
13、90.1MHz (CUR) 78 MHz (JP) 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 1
14、K 1K 7 SR-L250i 8 SR-L250i 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:WHI
15、TE) 1-3 023-23010033-R SCREW 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 1-9 099-39R23
16、0i1-R ABSORB COTTON A 1-10 061-230i0400-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
17、 037-SR350300-R CD RUBBER 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.
18、 DESCRIPTION REMARKS 3-1 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 0
19、35-R230i032-R SPEAKER BOX 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) 002-250W
20、0100-R BOTTOM CASE PANEL (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 BA
21、TTERY COVER (COLOR:WHITE) 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 (COL
22、OR:BLACK) EUR/UK 007-250S0100-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 DOO
23、R LENS 4-5 035-R250B134-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 D
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