Rotel-RA972-int-sm维修电路原理图.pdf

T echnical Manual STEREO INTEGRATED AMPLIFIER RA-972 Table of Contents Specification Specification.1 Parts List.2,3,4 Adustment.4 Case Outlines.4 PCB Assembly.5,6 Schematic Diagram.710 Continuous Power Output60 watts/ch (20 - 20 kHz, <0.03 %, 8 ohms) Total Harmonic Distortion (20 Hz - 20k Hz)<0.03 % at rated power, 1/2 power or 1 watt Intermodulation Distortion (60 Hz : 7 kHz, 4:1)95 dB Power Requirements USA Version115 volts, 60 Hz European version230 volts, 50 Hz Dimensions(W x H x D) 440 x 92 x 347 mm 173/8 x 55/8 x 1311/16 Weight 6.5 kg / 14.3 lbs. SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Beginning Quality Uncompromised Y-323A-00015C/S-S RadioFans.CN 收音机爱 好者资料库 2 SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTION Parts List-1 X-1289-01PCBASSEMBLY C401041UTES1J220-FBCAP,ELEC.63V22UF C501,50204150BGF10MCAP,ELEC.50V10UF C503,504044FSC160V470HCAP,STYROL 160V47PF C505,50604150BGF10MCAP,ELEC.50V10UF C507-51204450MSAN104JCAP,FILM 50V0.1UF C513,514042TP50V472JCAP,MYLAR 50V4700PF C515,516042TP50V152JCAP,MYLAR 50V1500PF C517,51804150BGF10MCAP,ELEC.50V10UF C519,520044FSC160V101HCAP,STYROL 160V100PF C521,52204150BGF10MCAP,ELEC.50V10UF C523,524041ECEA1EFS221CAP,ELEC.25V220UF C527,528041ECEA1EFS221CAP,ELEC.25V220UF C52904450MSAN104JCAP,FILM 50V0.1UF C613-616044FSC160V561HCAP,STYROL 160V560PF C617,618044KT18-2A104KCAP,FILM 100V0.1UF C701,702043TC50VCH330CAP,CERA.50V33PF C703041UTSS1H010-FBCAP,ELEC.50V1UF C704044KT18-2A104KCAP,FILM 100V0.1UF C705041UTSS0J222CAP,ELEC.6.3V2200UF C707-709043TC50V103CAP,CERA.50V0.01UF C710041UTSS1E470-FBCAP,ELEC.25V47UF C901-904043TC500V103CAP,CERA.500V0.01UF C905,906041ALN20S1073DDCAP,ELEC.50V10000UF C907,908041ECEA1EFS101CAP,ELEC.25V100UF C909,910041ECEA1EFS471CAP,ELEC.25V470UF C914,915043TC500V103CAP,CERA.500V0.01UF C916,917041UTES1J471CAP,ELEC.63V470UF C918,919041UTSS1V101-FBCAP,ELEC.35V100UF C920041UTSS1A101-FBCAP,ELEC.10V100UF C921,922041UTSS1E101-FBCAP,ELEC.25V100UF D401-406034T1N4148-86DIODE D609-612034T1N4003-TBDIODE D615-617034T1N4148-86DIODE D722034T1N4148-86DIODE D723034TRD5.6JST1ZENER DIODE D724034T1N4148-86DIODE D726-729034T1N4148-86DIODE D901034BR84BRIDGE DDIODE D902,903034T1N4003-TBDIODE D904-906034T1N4148-86DIODE D907,908034TRD16JST1ZENER DIODE D909034TRD12JST1ZENER DIODE F601-6040365ST6.3MINI FUSE 250VT6.3A IC501031OPA2604APIC IC502031NJM2114DIC IC701 031 TMP47C400BN-1 IC TMP47C400BN-1A57 IC702031TC74HC595APIC IC703031LB1641IC IC901031NJM7805FAIC PJ1-40664TR-2408#34P PINJACK PJ50664TR-2166#42P PINJACK Q401-406032TA1345TRANSISTOR Q407-412032TC3399TRANSISTOR Q619,620033TC3478A-LKUTRANSISTOR Q621,622033TA1376A-LKUTRANSISTOR Q623,624033C3902-RSTRANSISTOR Q625,626033A1507-RSTRANSISTOR Q639032TC536-FGTRANSISTOR Q901033D600-EFTRANSISTOR Q902033B631-EFTRANSISTOR Q903033D600-EFTRANSISTOR Q904032TD863-EFTRANSISTOR Q905032TC536-FGTRANSISTOR Q906033TA1016-FGTRANSISTOR Q907,908032TC3708-STTRANSISTOR Q909032TC536-FGTRANSISTOR R401-404054TMK2001KFECZR,METAL 1% 1K R405054CR14-332J-AR,CARBON 3.3K R501,502054EE10-151R,METAL 150R R503,504054EE10-104R,METAL 100K R505,506054TMK2680RFECZR,METAL 1% 680R R507,508054TMK203K9FECZR,METAL 1% 3.9K R509,510054TMK2100KFECZR,METAL 1% 100K R511,512054TMK202K2FECZR,METAL 1% 2.2K R513,514054TMK2002KFECZR,METAL 1% 2K R515,516054TMK2022KFECZR,METAL 1% 22K R517-520054TMK201K5FECZR,METAL 1% 1.5K R521,522054TMK2015KFECZR,METAL 1% 15K R523,524054TMK2100KFECZR,METAL 1% 100K R525,526054TMK2150RFECZR,METAL 1% 150R R527,528054TMK201K2FECZR,METAL 1% 1.2K R529,530054TMK2002KFECZR,METAL 1% 2K R531,532054TMK2100KFECZR,METAL 1% 100K R533,534054TMK2470RFECZR,METAL 1% 470R R631,632054TMK2001KFECZR,METAL 1% 1K R633,634054TMK2047RFECZR,METAL 1%47R R637-644054NIR2-0.22RR,METAL 2W 0.22R R645,6460542WS10JFR,METAL 2W 10R R653-656054TMK2220RFECZR,METAL 1% 220R R678053CR14-332J-AR,CARBON 3.3K R680053CR14-104J-AR,CARBON 100K R701,702053CR14-472J-AR,CARBON 4.7K R703,704053CR14-104J-AR,CARBON 100K R705053CR14-124J-AR,CARBON 120K R706053CR14-473J-AR,CARBON 47K R707053CR14-102J-AR,CARBON 1K R709053CR16-100J-AR,CARBON 10R R711,712053CR16-104J-AR,CARBON 100K R713,714053CR14-104J-AR,CARBON 100K R715053CR14-472J-AR,CARBON 4.7K RadioFans.CN 收音机爱 好者资料库 3 SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTION Parts List-2 R716053CR16-104J-AR,CARBON 100K R901,902054TMK203K3FECZR,METAL 1% 3.3K R9030541WS820JFR,METAL 1W 820R R9040541WS1.2KJFR,METAL 1W 1.2K R905053CR14-472J-AR,CARBON 4.7K R906053CR14-103J-AR,CARBON 10K R9070541WS820JFR,METAL 1W 820R R9080541WS68JFR,METAL 1W 68R R909053CR14-333J-AR,CARBON 33K R910053CR14-223J-AR,CARBON 22K R911053CR14-104J-AR,CARBON 100K R9120541WS10KJFR,METAL 1W 10K R913053CR14-473J-AR,CARBON 47K R914053CR14-683J-AR,CARBON 68K R915,916053CR14-223J-AR,CARBON 22K R917053CR14-332J-AR,CARBON 3.3K R918053CR14-103J-AR,CARBON 10K R919053CR14-562J-AR,CARBON 5.6K R920053CR14-154J-AR,CARBON 150K R921053CR14-104J-AR,CARBON 100K RY401-406 063V23106-24RELAY RY601,602 063DH2TU-24RELAY RY603063V23106-24RELAY RY901063DG1U-24RELAY RY902063DH2U-24RELAY S401062C-4174A17ROTARY SWITCH(RECORDING) S5010624TR-2780ROTARY SWITCH(TONE) SP1,2067C-4493A00SPEAKER TERMINAL TH901034TTC-503THERMISTOR VR501051C-4170A27VARIABLE RESISTOR(VOLUME) VR502,503 0534TR-2774VARIABLE RESISTOR(TONE) X701023CSA4.19MHZCERAMIC RESONATOR 069C-3417AFUSE CLIP X-1289-02,03PCBASSEMBLY C601,60204150BGF4R7MCAP,ELEC.50V4.7UF C603,604044FSC160V331HCAP,STYROL 160V330PF C605,606044FSC160V471HCAP,STYROL 160V470PF C607,60804125BGF100MCAP,ELEC.25V100UF C609,610044FSC160V331HCAP,STYROL 160V330PF C611,61204150BGF10MCAP,ELEC.50V10UF C619,620044FSC160V221HCAP,STYROL 160V220PF D601-608034T1N4148-86DIODE Q601-604033TC2362-FGTRANSISTOR Q605-610033TA1016-FGTRANSISTOR Q611,612033TC2362-FGTRANSISTOR Q613,614033TA1208-RSTTRANSISTOR Q615,616033TC2910-RSTTRANSISTOR R601,602054TMK2560RFECZR,METAL 1% 560R R603,604054TMK2047KFECZR,METAL 1% 47K R605-612054TMK201K5FECZR,METAL 1% 1.5K R613-616054TMK2220RFECZR,METAL 1% 220R R617,618054TMF1/4-5600FR,MRS25 560R R619,620054TMK2047KFECZR,METAL 1% 47K R621-624054TMK2100RFECZR,METAL 1% 100R R625,626054TMF1/4-6801FR,MRS25 6.8K R627,628054TMF1/4-1001FR,MRS25 1K R629,630054TMF1/4-3302FR,MRS25 33K R635,636054TMK2012KFECZR,METAL 1% 12K R651,652054TMF3300R,METAL 330R VR601,602 051SFR001-222SEMI-FIXED RESISTOR 2.2K X-1289-04 PCB ASSEMBLY D707-712034T1N4148-86DIODE D714-720034T1N4148-86DIODE S701062C-4174A13ROTARY SWITCH(LISTENING) X-1289-05 PCB ASSEMBLY D701-706034LN38GCPPLED R710053CR16-102J-AR,CARBON 1K X-1289-06 PCB ASSEMBLY HJ1065C-3399#1PHONE JACK R647-650054TMK2680RFECZR,METAL 1% 680R R667,6680541WS1.2KJFR,METAL 1W 1.2K S601062C-4174A19ROTARY SWITCH(SPEAKERS) X-1289-07 PCB ASSEMBLY C706041UTSS1E470-FBCAP,ELEC.25V47UF IC704031SBX1810-52IC R708053CR16-101J-AR,CARBON 100R X-1289-08 PCB ASSEMBLY HJ2065YKB21-5103AMINI JACK X-1289-09 PCB ASSEMBLY C911044DE1307E472MSPARK KILLER S901061C-4176A08POWER SWITCH X-1289-14 PCB ASSEMBLY ACO1069C-4497A00AC OUTLET HEAT SINKER ASSEMBLY Q617,618032D600-EFTRANSISTOR Q627-630033D1047-DEPOWER TRANSISTOR Q631-634033B817-DEPOWER TRANSISTOR OTHERS 011FP-514FRONT PANEL ASSY 012QT4-09A00TKNOB 25F (LISTENING) 012SD4-16A00PUSH KNOB 12F 0123TQU-5KNOB ASSY 33F 0124TR-3134KNOB 25F (RECORDING) 0124TR-3136KNOB 13F 0124TSA-7KNOB 11F 014C-4550A09UPPER COVER 014SZ3-08A00BOTTOM BOARD 4 Instruments : DC millivoltmeter Notes : Prior to Bias Adjustment, run about 5minutes with rated output(8ohms) and warm up Power Transistor and Heat Sink. Set input off. Step X-1289-01 PCB R639 X-1289-01 PCB R640 X-1289-03 PCB VR601 X-1289-02 PCB VR602 1 2 CouplingLocationAdjust for DC millivoltmeter reads 5mV SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTION Parts List-3 Adjustment Case Outlines 2SC536K 2SA1345 2SC3399 2SA1376A 2SC3478A 2SC3708 NJM7805FA 2SB631K 2SD600K 2SC3902 2SA1507 2SB817 2SD1047 LB1641 TC74HC595AP TMP47C400BN-1 NJM2114D OPA2604AP 015RP-376PRINTED REAR CHASSIS 0194TSH-19#2PLASTIC FOOT 022TT-311-URPOWER TRANSFORMER 034SEL1124RLED 069C-4629A01AC INLET 072C-4620A01AC CORD SET for STD 072C-4622A01AC CORD SET for AUSTRALIA 072C-4623A01AC CORD SET for UK 072C-4624A01AC CORD SET for CEE 081SZ4-21A00INSIDE CARTON 081TZ-183STYROL MOULDING 092RR-A91REMOTE UNIT 56 PCB Aassembly 6.3 Amp, 20mm,250 Volt Speaker fuses. 78 Schematic Diagram 910 Schematic Diagram