Teac-SR-L230i-Service-Manual电路原理图.pdf
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1、SR-L230i 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 component
2、s. 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. T/C-USA ! NOTESCONTENTS 1 SAFETYINFORMATION.2 2 SPECIFICATIONS.3 3 ADJUSTMENTANDCHECK.4 4 EXPLODEDVIEWANDPARTSLIST .8 5 P
3、CBOARDSANDPARTSLIST.20 6 WIRINGDIAGRAM.30 7 INCLUDEDACCESSORIES .31 RadioFans.CN 收音机爱 好者资料库 2 SR-L230i 1 SAFETY INFORMATION RadioFans.CN 收音机爱 好者资料库 3 SR-L230i 2 SPECIFICATIONS TUNER SECTION Frequency Range: FM: 87.50 MHz to 108.0 MHz AM: 530 kHz to 1,710 kHz SPEAKER SYSTEM Section Type: 60 mm x 2 Im
4、pedance: 4 ohms GENERAL Total Output Power 3 W + 3 W Power Requirement AC 120V, 60 Hz Power Consumption 23 W Dimension (W x H x D ) 12 3/16 x 7 11/16 x 4(310 x 196 x 101 mm) Weight (net) 4 3/16 Ib (1.9 kg) Standard Accessories Remote Control Unit (RC-1151W or RC-1151B) x1 Battey for Remote Control U
5、nit (AAA) x 2 Battey for 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 Design and specifications are subject to change without notice. Weight and dimensions
6、 are approximate. Illustrations may differ slightly from production models. 4 SR-L230i 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 A
7、M 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 R1/R13/R44/R47 on MAIN PCB. 6. Set the signal generator as listed in the alignment chart. 3-1-2 FM adjustment 1. Set t
8、he 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 R1/R13/R44/R47 on MAIN PCB. 6.
9、Set the signal generator as listed in the alignment chart. 5 SR-L230i 3-2 ADJUSTMENT and TEST POINTS 6 SR-L230i 3-2-1 AM TUNER ITEM SG SETTING TUNER SETTING ADJUSTMENTS MEASURING POINTS. RESULT Audio Modulation Frequency Output 1.VOLTAGE adjustment 1720KHzL4 AM OSC coilVT 8.8-9.2V 530KHzCheck 2.IFT
10、adjustment 1KHz 30% 450KHz 76dBuV 610KHz T1 AM IFT coil Maximun output level 3.ANT Coil adjustment 1KHz 30% 610KHz 76dBuV 610KHz L3 AM ANT coil Maximun output level 4.Adjustment 1KHz 30% 1400KHz 76dBuV 1400KHz Check Maximun output level AC voltmeter AM Signal generator AM LOOP Antenna 60CM AM S1 1K
11、1K VT voltage SR-L230i PHONES R13 R1 Digital multimeter 7 SR-L230i 3-2-2 FM TUNER ITEM SG SETTING TUNER SETTING ADJUSTMENTS MEASURING POINTS. RESULT Audio Modulation Frequency Output 1.VOLTAGE adjustmen 108MHzL2 FM OSC coil VT 7.8-8.2V 87.5MHzCheck 2.ANT Coil adjustment 1KHz 22.5kHz 90.1MHz 76dBuV 9
12、0.1MHz L1 FM RF coil Maximun output level 3.TC1 adjustment 1KHz 22.5kHz 106.1MHz 76dBuV 106.1MHz TC1 Repeat step 2 and 3 Maximun output level Digital multimeter 75 ohm FM Signal generator AC voltmeter FM SR-L230i PHONES R13 R1 VT voltage 1K 1K 8 SR-L230i 4 EXPLODED VIEWS AND PARTS LIST EXPLODE VIEW-
13、1 9 SR-L230i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARK 1-1 010-230B0300-R DUCT COVER (COLOR:BLACK) 010-230W0300-R DUCT COVER (COLOR:WHITE) 1-2 010-230B0400-R DUCT COVER (COLOR:BLACK) 010-230W0400-R DUCT COVER (COLOR:WHITE) 1-3 023-23010033-R SCREW 3X10MM BB BLACK HD 023-23010031-R SCREW 3X1
14、0MM BB NI HD 1-4 044-R230i051-R SPEAKER PAPER TUBE 18X22X80MM 1-5 035-R230i102-R DUCT COVER L/R EVA SHEET 1-6 010-230i0100-R SPEAKER BOX L 1-7 010-230i0200-R SPEAKER BOX R 1-8 035-R230i012-R R/L SPEAKER EVA WASHER 1-9 099-39R230i1-R ABSORB COTTON A 1-10 061-230i0400-R SPEAKER 2.5 4 OHM 5-8W 1-11 024
15、-43008033-R SCREW 3X8MM PWA BLACK HD EXPLODED VIEW-1 PARTS LIST 10 SR-L230i EXPLODE VIEW-2 11 SR-L230i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 2-1 SPEAKER BOX L ASSY 2-2 SPEAKER BOX R ASSY 2-3 023-23010033-R SCREW 3X10MM BB BLACK HD 2-4 021-43008032-R SCREW 3X8MM PWT ZMC HD (PW= 11.5MM)
16、2-5 020-230i0200-R PIG IRON BLOCK (200g) 2-6 035-R230i022-R SPEAKER BOX EVA SHEET 2-7 035-R230i032-R SPEAKER BOX EVA SHEET 2-8 035-R230i042-R SPEAKER BOX EVA SHEET 2-9 035-R230i052-R SPEAKER BOX EVA SHEET 2-10 035-R230i062-R SPEAKER BOX EVA SHEET 2-11 035-R230i072-R SPEAKER BOX EVA SHEET 2-12 099-39
17、R230i1-R ABSORB COTTON A 2-13 002-230B0100-R BOTTOM CASE PANEL (COLOR:BLACK) 002-230W0100-R BOTTOM CASE PANEL (COLOR:WHITE) 2-14 023-23006032-R SCREW 3X6MM BB ZMC HD 2-15 100-230i2060-R MEMORY BATTERY PCB ASSY 2-16 020-300i0100-R MEMORY BATTERY SPRING (-VE) 2-17 020-300i0000-R MEMORY BATTERY SPRING
18、(+VE) 2-18 010-230B0600-R MEMORY BATTERY COVER (COLOR:BLACK) 010-230W0600-R MEMORY BATTERY COVER (COLOR:WHITE) 2-19 023-33010033-R SCREW 3X10MM KB BLACK HD 023-33010031-R SCREW 3X10MM KB NI HD 2-20 037-230i0100-R RUBBER FOOT EXPLODED VIEW-2 PARTS LIST 12 SR-L230i EXPLODE VIEW-3 13 SR-L230i REF.NO TE
19、AC PARTS NO. PARTS NO. DESCRIPTION REMARKS 3-1 001-230B0100-R FRONT PANEL (COLOR:BLACK) 001-230W0100-R FRONT PANEL (COLOR:WHITE) 3-2 100-230i2050-R AUX JACK PCB ASSY 3-3 100-230i2040-R PHONE JACK PCB ASSY 3-4 021-43010032-R SCREW 3X 10MM PWT ZMC HD(PW=11.5MM) 3-5 007-230i0100-R LCD DISPLAY WINDOW 3-
20、6 023-42606032-R SCREW 2.6X6MM BB ZMC HD 3-7 080-R230i001-R LCD DISPLAY SIZE:93X37.5MM 3-8 009-230i0100-R LCD BACK LIGHT HOLDER 3-9 035-R250i082-R LCD DISPLAY WINDOW EVA SHEET 3-10 035-R230i112-R SENSOR EVA CUSHION 3-11 100-230i2030-R LCD DISPLAYER PCB ASSY 3-12 023-23010032-R SCREW 3X10MM BB ZMC HD
21、 EXPLODED VIEW-3 PARTS LIST 14 SR-L230i EXPLODE VIEW-4 1 2 3 6 4 8 11 12 14 15 19 9 10 75 13 18 1716 20 15 SR-L230i REF.NO TEAC PARTS NO. PARTS NO. DESCRIPTION REMARKS 4-1 020-230i0100-R SPEAKER METAL NET 4-2 051-R230i001-R SPEAKER METAL NET HIMERON 4-3 001-230BU200-R TOP CASE PANEL (COLOR:BLACK) 00
22、1-230WU200-R TOP CASE PANEL (COLOR:WHITE) 4-4 007-230i0300-R STANDBY BUTTON RENG LENS 4-5 007-230i0400-R DISPLAYER BUTTON RENG LENS 4-6 004-230B0300-R STANDBY BUTTON/DISPLAYER BUTTON (COLOR:BLACK) 004-230W0300-R STANDBY BUTTON/DISPLAYER BUTTON (COLOR:WHITE) 4-7 007-230i0200-R SNOOZE BUTTON RENG LENS
23、 4-8 010-230i0500-R SNOOZE BUTTON LENS COVER 4-9 023-42606032-R SCREW 2.6X6MM BB ZMC HD 4-10 004-230B0200-R SNOOZE BUTTON (COLOR:BLACK) 004-230W0200-R SNOOZE BUTTON (COLOR:WHITE) 4-11 010-230B0700-R iPod DOCK LOCK (COLOR:BLACK) 010-230W0700-R iPod DOCK LOCK (COLOR:WHITE) 4-12 023-23006032-R SCREW 3X
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