Rotel-RT1080_1-tun-sm 维修电路原理图.pdf

T echnicalManual AM/FM STEREO TUNERRT-1080- 1Table of ContentsSpecificationSpecification.1Parts List.27Adjustment.816PCB Assembly.1718Schematic Diagram .1921SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,TOKYO 150-0045, JAPANSerial. NO.BeginningQuality UncompromisedY-353B-0804/pdfFM TunerUsable Sensitivity:12.2 dBf50dB Quieting Sensitivity:20.2 dBf (mono)45.3 dBf (stereo)Signal to Noise Ratio (at 65 dBf):75 dBf (mono)72 dBf (stereo)Harmonic Distortion (at 65 dBf):0.2% (mono)0.3% (stereo)Frequency Response:10 Hz-15 kHz, 3 dBCapture Ratio:2.0 dBAlternate Channel Selectivity:47 dB ( 400 kHz)Spurious Response Ratio:90 dBImage Rejection Ratio:80 dBIF Rejection Ratio:80 dBAM Suppression Ratio:55 dBStereo Separation (100Hz/1 kHz/10 kHz):40 dB/45 dB/35 dBOutput level:1.2VAntenna Input:75 ohms unbalancedAM TunerUsable Sensitivity:300 V/mSelectivity:25 dBHarmonic Distortion:0.5%Image Rejection Ratio:45 dBSignal to Noise Ratio:48 dBOutput level:165 mVAntenna Input:Loop AntennaGeneralPower Consumption:10 wattsPower Requirements (AC):115 volts, 60 Hz (USA version)230 volts, 50 Hz (European version)Weight:4.7 Kg/10.4 lb.Dimensions (W x H x D):432 x 92 x 340 mm16 15/16 x 3 5/8 x 13 7/6RadioFans.CN 收音机爱 好者资料库LEFTRIGHTOUTPUTSCOMPUTER I/OFMABAMGANTENNAEXT REM.INANTAT TANTA/BTAPTYTPAFDISPLAYFM IFNARROWFMMONOPOWERDOWNUP1234567890BANDMEMORYAUTOTUNINGPRESETSCANTUNE/PRESET12V TRIGGER IN OUTAM/FM STEREO TUNERMODEL NO. RT-1080POWER CONSUMPTION: 10 WRT-1080AVIS: RISQUE DE CHOC ELECTRIQUENE PAS OUVRIRWARNING:SHOCK HAZARD DO NOT OPENAppearanceRT-1080RT-1080/ -1RadioFans.CN 收音机爱 好者资料库 2Parts List 1/5RT-1080-1SYMBOLPARTS NO.DESCRIPTION501 X-1304PCB ASSY (MAIN)017 C-4755A10HEAT SINK for IC501C540019 C-4357A03COVER CAPL207021 2648601430MICRO INDUCTOR 20.8mHL201-206, L500021 LF160A00MICRO INDUCTOR TL301021 RLV155A00 COIL 072 (RED)LFL200,LFR200021 RLV156A00COIL 01 (BLACK) TL303021 RLV159A00 COIL 713 (YELLOW)TL302021 RLV162A00COIL 5232 (GRN)TL304021 RLV163A00COIL 5908 (BLACK)TL201021 RLV164A00COIL 5053 (WHITE) TL202021 RLV165A00COIL 5054 (BLUE) CF205023 CSBLA456KE2ZF11B0 CERAMIC RESONATORXTL401023 CSB456F15CERAMIC RESONATORXTL201023 HC49U-004 CRYSTAL 7.2MHZCF203023 SFELF10M7JAA0B0CERAMIC FILTER (FM)CF201,202,204023 SFELF10M7GALM-BOCERAMIC FILTER (FM)CF301023 SFPS450HCERAMIC FILTER (AM)IC202,203031 LA1235ICIC301031 LA1245ICIC401031 LA2230ICIC204031 LA3450ICIC201031 LC72191MICIC501031 NJM317FICICM101031 PC817X2ICIC205031 TL072CPICQ223032 2K117YTRANSISTORQ212,301032 2K192A-GRTRANSISTORQ213-216032 C1674-KLTRANSISTORQ502032 TA608-FGTRANSISTORQ209,211032 TC174OS-RTRANSISTORQL201,QR201032 KTD1303-ATTRANSISTORQ503032 TC3708-STTRANSISTORQ201,202,219,506032 TC536-FGTRANSISTORQ204,206,207,225,302,505032 TDTA114YSTRANSISTORQ222,501,504032 TDTC114YSTRANSISTORD201,501-505, D511034 1N4004DIODED301,302034 SVC323S-3VARACTOR DIODED202-205,210-212,303-305,307,034 T1N4148-86DIODE308,509,D209034 T1N4148-86DIODED508034 TRD12JST1ZENER DIODE D506034 TRD22EBT1ZENER DIODE D208,401034 TRD5.1JST1ZENER DIODE D510034 TRD5.6JST1ZENER DIODE D507034 TRD6.2JST1ZENER DIODE C204,216,252,282-284,321041 TUTES1C101-7TFELECTROLYTIC CAPACITOR 16V100uFC512041 TUTES1C221-7TFELECTROLYTIC CAPACITOR 16V220uFC218,222,313,402-404,511,513,514041 TUTES1C470-7TFELECTROLYTIC CAPACITOR 16V47uFC247,249,254,262,264,265041 TUTES1H010-7TFELECTROLYTIC CAPACITOR 50V1uFC274,278,279,409,412,508041 TUTES1H100-7TFELECTROLYTIC CAPACITOR 50V10uFCL201,202,CR201,202041 TUTES1H220-7TFELECTROLYTIC CAPACITOR 50V22uFC516041 TUTES1H2R2-7TFELECTROLYTIC CAPACITOR 50V2.2uFC281041 TUTES1H330-7TFELECTROLYTIC CAPACITOR 50V33uFC214,325041 TUTES1H3R3-7TFELECTROLYTIC CAPACITOR 50V3.3uF 016 X-1304A01-05 PCB ASSY 3Parts List 2/5RT-1080-1SYMBOLPARTS NO.DESCRIPTIONC327,502,515041 TUTES1H470-7TFELECTROLYTIC CAPACITOR 50V47uFC270,326,411,413,504041 TUTES1H4R7-7TFELECTROLYTIC CAPACITOR 50V4.7uFC261,268,269041 TUTES1HR47-7TFELECTROLYTIC CAPACITOR 50V0.47uFC501041 TUTES1V332-7TSELECTROLYTIC CAPACITOR 35V3300uFC330,414042 TP50V223JMYLAR CAPACITOR 0.022uFC415,416042 TP50V332JMYLAR CAPACITOR 3300PFCL203,CR203042 TP50V392JMYLAR CAPACITOR 3900PFC417042 TP50V682JMYLAR CAPACITOR 6800PFC213,266,272,322,407,408,C201,202043 TC16V103-ACERA CAPACITOR AXIAL 0.01uFC405, C406043 TC16V332-ACERA CAPACITOR AXIAL 3300PFC203,211,212,215,217,219,221,043 TC25V223-ACERA CAPACITOR AXIAL 0.022uF223-236,243,C245,246,248,250,251,253,043 TC25V223-ACERA CAPACITOR AXIAL 0.022uF257,267,273,285,C306-308,311,312,043 TC25V223-ACERA CAPACITOR AXIAL 0.022uF314,319,323,324,401,C506,507,509043 TC25V223-ACERA CAPACITOR AXIAL 0.022uFC503,505043 TC500V103CERAMIC CAPACITOR 500V0.01uFCL277,CR277, C237043 TC50V101-ACERA CAPACITOR AXIAL 100PF C316,CL204,CR204, C207-210043 TC50V102-ACERA CAPACITOR AXIAL 1000PFCL273, CR273043 TC50V121-ACERA CAPACITOR AXIAL 120PFC242043 TC50V151-ACERA CAPACITOR AXIAL 150PFC309043 TC50V221-ACERA CAPACITOR AXIAL 220PFC280,CL271,CR271043 TC50V271-ACERA CAPACITOR AXIAL 270PFC276043 TC50V331-ACERA CAPACITOR AXIAL 330PFC328043 TC50V471-ACERA CAPACITOR AXIAL 470PFC238-241,255,259,263,271,304,329043 TC50V473-ACERA CAPACITOR AXIAL 0.047uFC275043 TC50V680-ACERA CAPACITOR AXIAL 68PFC260043 TC50V681-ACERA CAPACITOR AXIAL 680PFC302043 TC50VCH180CERA CAPACITOR AXIAL 18PFC205,206043 TC50VCH330CERA CAPACITOR AXIAL 33PFC317044 50MSAN473JSF CAPACITOR 0.047uFC318044 50MSAN563JSF CAPACITOR 0.056uFC540044 DE1307E472MSPARK KILLER C301044 S50V470PJSTYROL CAPACITOR 47PFTC301045 TZ03N100TRIMMER (WHT)TC302045 TZ03R200TRIMMER (RED)VR401051 TRH063MC14RSEMI-FIXD RESISTOR VOLUME 100KVR204051 TRH063MC16RSEMI-FIXD RESISTOR VOLUME 1MVR203,VR301051 TRH063MCJ4RSEMI-FIXD RESISTOR VOLUME 22KVR206051 TRH063MCS3RSEMI-FIXD RESISTOR VOLUME 4K7VR201051 TRH063MCS4RSEMI-FIXD RESISTOR VOLUME 47KVR205051 TRH063MCS5RSEMI-FIXD RESISTOR VOLUME 470KR277054 2WS10JFMETAL FILM RESISTOR 10RR509054 2WS270JFMETAL FILM RESISTOR 270RR507054 1WS680JFMETAL FILM RESISTOR 680RR230054 MSR1/2W4M7JMETAL FILM RESISTOR 4.7MJR303,311,515054 TMF16-1000 MF RESISTOR MF16 100RR214-218,233,276,404,406,511054 TMF16-1001MF RESISTOR MF16 1K R312, R282, R205054 TMF16-1001MF RESISTOR MF16 1K R224,278,283,289,308,319,321054 TMF16-1002MF RESISTOR MF16 10KR409,412,502,514,517, R508054 TMF16-1002MF RESISTOR MF16 10KR203,204,207,272,273,291,301,302,R309054 TMF16-1003MF RESISTOR MF16 100K 320,RL205,RL295,RR205,RR295,R292,R208054 TMF16-1003MF RESISTOR MF16 100K R299054 TMF16-1004MF RESISTOR MF16 1MR284,285054 TMF16-1200 MF RESISTOR MF16 120RR516054 TMF16-1202MF RESISTOR MF16 12KR240054 TMF16-1500 MF RESISTOR MF16 150RR300054 TMF16-1501MF RESISTOR MF16 1.5K 4Parts List 3/5RT-1080-1SYMBOLPARTS NO.DESCRIPTIONR243054 TMF16-1502MF RESISTOR MF16 15KR506054 TMF16-1801MF RESISTOR MF16 1.8KR274, R281054 TMF16-1802MF RESISTOR MF16 18KRL294,RR294054 TMF16-1803MF RESISTOR MF16 180KR505054 TMF16-2000 MF RESISTOR MF16 200RR314054 TMF16-2001MF RESISTOR MF16 2K R222,231,232,306,307, R316,317054 TMF16-2200 MF RESISTOR MF16 220RR211-213054 TMF16-2200 MF RESISTOR MF16 220RR413, R513054 TMF16-2202MF RESISTOR MF16 22KR247,298054 TMF16-22R0 MF RESISTOR MF16 22R R504, RM101054 TMF16-2700MF RESISTOR MF16 270RR238054 TMF16-2702MF RESISTOR MF16 27KR405,410054 TMF16-3004MF RESISTOR MF16 3MR236,239,242,249,257,258,263,054 TMF16-3300MF RESISTOR MF16 330R265,266,271,R226054 TMF16-3300MF RESISTOR MF16 330RR246,260,279,286,408,RL201,054 TMF16-3301MF RESISTOR MF16 3.3KRL206,RR201,RR206054 TMF16-3301MF RESISTOR MF16 3.3KR411054 TMF16-3302MF RESISTOR MF16 33KR244,248,262054 TMF16-3900MF RESISTOR MF16 390RR261054 TMF16-39R0 MF RESISTOR MF16 39RR241,305,RL204,RR204054 TMF16-4700MF RESISTOR MF16 470RR201,250,264,313,518054 TMF16-4701MF RESISTOR MF16 4.7KR297,400, R501054 TMF16-4701MF RESISTOR MF16 4.7KR275,520054 TMF16-4702MF RESISTOR MF16 47KR223,401,402054 TMF16-5600MF RESISTOR MF16 560RR225,288,407054 TMF16-5601MF RESISTOR MF16 5.6KR519054 TMF16-5602MF RESISTOR MF16 56KR245,259,RL202,RR202054 TMF16-6801MF RESISTOR MF16 6.8KR403054 TMF16-6803MF RESISTOR MF16 680KR304054 TMF16-8200MF RESISTOR MF16 820RRL203,RR203054 TMF16-8201MF RESISTOR MF16 8.2KR503054 TMF16-8202MF RESISTOR MF16 82KR202,318054 TMF16-82R0 MF RESISTOR MF16 82RSW201061 C-4176A08POWER SWITCHRLY201,202063 G5A-237PRELAYJACK1065 YKB21-5103A3.5F JACK ANT200065 YKD31-0432TERMINAL ANTNNAJACK2066 C-4764A01 2P PIN JACK ANT201067 SC021058KNTERMINAL ANTNNACP201068 00-8370-211CONNECTOR POSTCP502,503068 B2P3-VHCONNECTOR POSTCP204068 B7B-PH-KSCONNECTOR POSTCN501068 C-4652A05CONNECTOR W/WIRECN503068 C-4695A03CONNECTOR W/WIRE (BLK)JL200,JR200,068 DM-2GM-OMINI JUMPER PLUG (US)JL201,JR201068 DM-2GM-OMINI JUMPER PLUG (EU)CP501068 MO5267-07CONNECTOR POSTJL200,201,JR200,201068 TD02SG-2BASE/POSTCN203072 C-4750A01CONNECTOR W/WIRE (BLK)FFE200092 KST-F724HAFRONT-END501 X-1305PCB ASSY (TERMINAL)IC601031 HIN232CPICIC602031 PC817BICRMC201031 RPM7138H9IC016 X-1305C01-02 PCB ASSY 5Parts List 4/5RT-1080-1SYMBOLPARTS NO.DESCRIPTIONQM101032 TC536-FGTRANSISTORD601-604034 TRD12JST1ZENER DIODE C601-605041 TUTES1H010-7TFELECTROLYTIC CAPACITOR 50V1uFCM101041 TUTES1H100-7TF ELECTROLYTIC CAPACITOR 50V10uFRM102054 TMF16-1000 METAL MILM RESISTOR 100RR601,602054 TMF16-1001 METAL MILM RESISTOR 1KRM103054 TMF16-1500 METAL MILM RESISTOR 150RR603054 TMF16-2200 METAL MILM RESISTOR 220RRM104054 TMF16-4701 METAL MILM RESISTOR 4.7KJACK5065 YKB21-5103A3.5F JACK WITH SWITCHJACK4065 YKB21-5111A3.5F JACK WITH SWITCHJACK3066 SY010-8P/KMODULAR JACKCP604068 B7B-PH-KSCONNECTOR POSTCPM100068 S2B-PH-KSCONNECTOR POSTCPM103068 S4B-PH-KSCONNECTOR POST501 X-1302PCB ASSY (FRONT) XT101023 CSTLS10MOG53-BOCERAMIC RESONATORIC102031 AT24C16A10PU-2.7ICIC101031 CXP82832-346QICQ101032 TC536-FGTRANSISTORD101-108034 T1N4148-86DIODE FL101035 SVR12MM18FL TUBEC112041 TUTES1H220-7TFELECTROLYTIC CAPACITOR 50V22uFC101-108043 TC50V101-ACERAMIC CAPACITOR 100PFC118043 TC50V102-ACERAMIC CAPACITOR 1000PFC109,113,116043 TC50V104-ACERAMIC CAPACITOR 0.1uFC110,111043 TC50V473-ACERAMIC CAPACITOR 0.047uFC117043 TC50V821-ACERAMIC CAPACITOR 820PFR136,152-159,160054 TMF16-1002METAL FILM RESISTOR 10KR137-143,145054 TMF16-1201METAL FILM RESISTOR 1.2KR150,151054 TMF16-2R20METAL FILM RESISTOR 2.2RR144,146-149054 TMF16-4702METAL FILM RESISTOR 47KSW101-126061 C-4679A01TACT SWITCHFPC201068 00-8370-217FPC WIRE CONNECTOR 21PCN103068 C-4692A06PH/SAN W/WIRE L=80CN102068 C-4692A26PH/SAN W/WIRE L=200CN101068 C-4692A29PH/SAN W/WIRE L=300011 FP-537-BBLACK PANEL ASSY011 FP-537-SSILVER PANEL ASSY015 RP-387PRINTED REAR CHASSIS019 4TSH-19#2PLASTIC FOOT 50F021 RLA145A00AM LOOP ANTENNATF201022 T-1065N01POWER TRANSFORMER 034 SEL1124RLED (RED) 1X5 034 SEL1E24WLED (BLUE) 1X5069 C-4629A01AC INLET072 4TR-24893.5MM PLUG SHIELD CORD072 4TR-2875RCA PIN CORD072 4TR-3228T TYPE ANTENNA072 C-4621A03AC CORD SET for USA072 C-4622A02AC CORD SET for AUSTRALIA072 C-4623A02AC CORD SET for UK072 C-4624A03AC CORD SET for CEE016 X-1302B00 PCB ASSYOTHERS 6Parts List 5/5RT-1080-1SYMBOLPARTS NO.DESCRIPTION081 TN3-09B00INSIDE CARTON081 ZE-204ETHAFORM MOULDING082 OMRT-1080-2OWNERS MANUAL (EFGISD)092 RR-T92 / RR-T93REMOTE UNIT 7RT1080/ -1SYMBOLPARTSDESCRIPTION011 FP-537-BBLACK PANEL ASSY011 FP-537-SSILVER PANEL ASSY011 TF3-01A00H/S PANEL H80012 RV4-09A00PUSH BUTTON 14F (BLK)012 RV4-09A01PUSH BUTTON 14F (SLV)012 SK3-05A00TACT BUTTON 9KEY(BLK) 012 SK3-05A01TACT BUTTON 9KEY(SLV)012 TN2-08A00TACT BUTTON 15KEY(BLK) 012 TN2-08A01TACT BUTTON 15KEY(SLV) 012 TN3-07A00TACT BUTTON 2KEY(BLK) 012 TN3-07A01TACT BUTTON 2KEY(SLV) 034 SEL1124RLED (RED) 1X5034 SEL1E24WLED (BLU) 1X5Addendum List for Black and Silver312Panel Assy is included:Panel WindowSide CapKnob RingTact buttonsLED 8AdjustmentI FM* Necessary measurement equipmentRDS/STEREO Multiplexer 1 unitFM/AM Signal Generator 1 unitAudio Signal Analyzer 1 unitOscilloscope 1 unitDigital Volt Meter (DVM) 1 unit(A) Center adjust RDS/STEREO Multiplexer Setting MODE : MONO Audio Frequency : 1KHz FM Signal Generator Setting Deviation : 75KHz Radio Frequency : 98.0MHz Output Level : 66dB RT1080 Setting FM Frequency : 98.0MHz Antenna Selection : A FM MODE : MONO IF MODE : WIDEq Turn FM Signal Generator Modulation onw Connect DVM (+)(-) terminals to both ends of resistor R282 and measure the volt.e Make this measured volt 0 by adjusting TL201(FM-DET-A Coil). (The adjustment should be within 2mV)r After this adjustment, measure THD(Total Harmonic Distortion) with Audio Signal Generator.t Adjust THD to minimum point with TL202(FM-DET-B Coil). (THD should be within 0.5%)OscilloscopeMonitorAudioSignalAnalyzerL-CH(or R-CH)Jack 2Ant-B(ANT 201)Ant-A(ANT 200)FMSignalGeneratorStereoMultiplexerDVM(+)(-)IC 203BACKFRONT(FM-DET-B)TL 202TL 201(FM-DET-A)R 282 9(B) Channel Separation adjust RDS/STEREO Multiplexer Setting MODE : STEREO (ONLY L-CH Signal OUT) Audio Frequency : 1KHz FM Signal Generator Setting Deviation : 75KHz Radio Frequency : 98.0MHz Output Level : 66dB RT1080 Setting FM Frequency : 98.0MHz Antenna Selection : A FM MODE : STEREO IF MODE : WIDEq Turn FM Signal Generator Modulation on after modulating only L-CH at STEREO Multiplexer.w Confirm if STEREO indicator is turned ON on the display in the WIDE MODE.e Measure output level via Audio Signal Analyzer and make the level as standard.r Turn FM Signal Generator Modulation on after modulating only R-CH at STEREO Multiplexer.t Measure output level via Audio Signal Analyzer (measure per a dB)y Adjust output level to minimum position with VR204 (WIDE MODE CH-SEPA. ADJ.). (lower than -40dB)u Change RT1080 IF MODE to NARROW.i Repeat the above qto Adjust output level to minimum point with VR205(NARROW MODE CH-SEPA. ADJ). (lower than -38dB)OscilloscopeMonitorAudioSignalAnalyzerL-CH(or R-CH OPEN)Jack 2Ant-B(ANT 201)Ant-A(ANT 200)SignalGeneratorStereoMultiplexerVR 204(Wide)VR 205(Narrow)IC 204BACKFRONT10(C) TUNED Level adjust RDS/STEREO Multiplexer Setting MODE : STEREO Audio Frequency : 1KHz FM Signal Generator Setting Deviation : 75KHz Radio Frequency : 98.0MHz Output Level : 26dB RT1080 Setting FM Frequency : 98.0MHz Antenna Selection : A FM MODE : STEREO IF MODE : WIDEq Turn FM Signal Generator Modulation ON (confirm if output level is 26dB)w measure volt while connecting DVM (-) terminal to GND (or Chassis) & connecting (+) terminal to Jumper J615(S-METER).e Adjust volt to 1.2V with VR201 (FM-ADJ1).r Adjust VR206(FM-ADJ2) up to the moment where STEREO & TUNED indicator turns OFF & ON again. t Confirm if STEREO & TUNED turn OFF when decreasing the output level slowly from 26dB to 25dB, 24dB. (Repeat the above er if not OFF in lower than 24dB.)y Set RT1080s Search by MODE to AUTO at Signal Generator Output Level 26dB and start Auto search Tuning Encoder. Confirm if search stops at FM Frequency 98.0MHz. (Examine both of High Freq. 98.0MHz search, Low Freq. 98.0MHz search)OscilloscopeMonitorAudioSignalAnalyzerL-CH(or R-CH)Jack 2Ant-B(ANT 201)Ant-A(ANT 200)SignalGeneratorStereoMultiplexerVR 206(FM-ADJ 2)VR 201(FM-ADJ 1)S-METERCP 201J 615DVM(+)(-)GND(or Chassis)IC 203IC 202BACKFRONT11(D) RDS Level adjust RDS/STEREO Multiplexer Setting MODE : STEREO Audio Frequency : 1KHz RDS