Rotel-RB1090-pwr-sm 维修电路原理图.pdf

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1、T echnicalManualSTEREO POWER AMPLIFIERRB-1090Table of ContentsSpecificationSpecification.1Parts List.2,3Adjustment.4PCB Assembly.5,6Schematic Diagram.7,8Continuous Power Output380 wats/ch into 8 ohms(20-20kHz, 0.03%)700 wats/ch into 4 ohmsTotal Harmonic Distortion(20-20kHz, 8 ohms) 0.03 % Intermodul

2、ation Distortion(60Hz : 7kHz, 4:1) 0.03 % Frequency Responce (1dB)10 Hz - 100 KHzDampning Factor(20-20,000kHz, 8 ohms) 1000Speaker Impedance(combined load) 4 ohms minimumSignal to Noise Ratio(IHF A network) 125 dBInput Impedance / Sensitivity 33 k ohms / 1.8 volt Power Requirement115 volts 60 Hz or2

3、30 volts 50 HzPower Consumption 800 wattsDimensions(W x H x D) 440 x 240 x 398 mm173/8 x 91/2 x 153/4 inchesWeight (net)38 kg, 83.6 Lb.BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,TOKYO 150-0045, JAPANSerial. NO.BeginingQuality UncompromisedY-316A-99065C/S-SRadioFans.CN 收音机爱 好者资料库2Parts List

4、SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTIONX-1271-01,02 PCB ASSEMBLYC501,502044S50V100PJCAP,STYROL 50V100PFC505-50804125BGF100MCAP,ELEC.25V100UFC601,60204150BGF4R7MCAP,ELEC.50V4.7UFC603,604044TFKP2-2A681HCAP,FILM 100V680PFC607,60804125BGF100MCAP,ELEC.25V100UFC611,61204150BGF10MCAP,ELEC,50

5、V10UFC613-616044FSC160V221HCAP,STYROL 160V220PFC623-626041VX2A102SCAP,ELEC.100V1000UFC627,628044FSC160V471HCAP,STYROL 160V470PFC701,702041UTSS1H220-FBCAP,ELEC.50V22UFC703,704041UTSS1E221-FBCAP,ELEC.25V220UFC705,706041UTSS1H4R7-FBCAP,ELEC.50V4.7UFC707,708041UTSS1E470-FBCAP,ELEC.25V47UFC717,718041UTSS

6、1E100-FBCAP,ELEC.25V10UFD601-608034T1N4148-86DIODED609-612034T1N4003-TBDIODED615,616034T1N4148-86DIODED701,702034T1N4148-86DIODED713,714034T1N4148-86DIODEF601-6040365ST10MINI FUSE 250VT10AIC501,502031AD711JNICIC701,702031MPC1237HAICL601,602021TRL-380SPEAKER COILQ601-606033TC2362-FGTRANSISTORQ607-612

7、033TA1016-FGTRANSISTORQ613,614033A1142-EPQTRANSISTORQ615,616033C2682-EPQTRANSISTORQ619,620032C5174TRANSISTORQ621,622032A1932TRANSISTORQ651-656033TC2362-FGTRANSISTORQ657-662033TA1016-FGTRANSISTORQ667,668033A1142-EPQTRANSISTORQ669,670033C2682-EPQTRANSISTORQ745,746033TC2362-FGTRANSISTORQ747-750033TA101

8、6-FGTRANSISTORR501-504054TMK2022KFECZR,METAL 1% 22KR505-508054TMK2010KFECZR,METAL 1% 10KR509,510054TMK2001KFECZR,METAL 1% 1KR601,601054EE10-152R,METAL 1.5KR603,604054EE10-333R,METAL 33KR607-610054TMK201K5FECZR,METAL 1% 1.5KR611,612054TMK2220RFECZR,METAL 1% 220RR613,614054TMF1/4-5600FR,MRS25 560RR615

9、-618054TMK201K5FECZR,METAL 1% 1.5KR619,620054TMK2220RFECZR,METAL 1% 220RR621,622054TMK2150KFECZR,METAL 1% 150KR623,624054TMK2100RFECZR,METAL 1% 100RR625,626054TMF1/4-6801FR,MRS25 6.8KR627,628054TMF1/4-3901FR,MRS25 3.9KR629,630054TMK2100RFECZR,METAL 1% 100RR631,632054TMK2001KFECZR,METAL 1% 1KR633,634

10、054TMK2047RFECZR,METAL 1% 47RR635-642054MPC74-0.22FR,PLATE 5W 0.22RR643,644054TMK2150KFECZR,METAL 1% 150KR645-652054MPC74-0.22FR,PLATE 5W 0.22RR653,654054MPC71-1FR,PLATE 5W 1RR657,658054TMK2056KFECZR,METAL 1% 56KR659-6620543WS6.8KJFR,METAL 3W 6.8KR663,664054TMK2010RFECZR,METAL 1% 10RR665,666054TMF33

11、00R,METAL 330RR667-670054TMK2220RFECZR,METAL 1% 220RR671-686054TMK2047KFECZR,METAL 1% 47KR687-690054TMK2100KFECZR,METAL 1% 100KR691,692054TMK2001MFECZR,METAL 1% 1MR693-696054TMK2047KFECZR,METAL 1% 47KR697,698054TMK2100KFECZR,METAL 1% 100KR699,700054TMK2022KFECZR,METAL 1% 22KR701,702054TMK2100KFECZR,

12、METAL 1% 100KR703,704054TMK2120KFECZR,METAL 1% 120KR705,706054TMK2100KFECZR,METAL 1% 100KR709,710054TMK2068KFECZR,METAL 1% 68KR711,712054TMK2010KFECZR,METAL 1% 10KR713,714054TMK206K8FECZR,METAL 1% 6.8KR715-730054TMK2010RFECZR,METAL 1% 10RR731,732054TMK2001KFECZR,METAL 1% 1KR733,734054TMK2150KFECZR,M

13、ETAL 1% 150KR771,772054TMK2560RFECZR,METAL 1% 560RR773,774054TMK2033KFECZR,METAL 1% 33KR775,776054TMK2015KFECZR,METAL 1% 15KR777,778054TMK201K2FECZR,METAL 1% 1.2KR779,780054TMK2560RFECZR,METAL 1% 560RR781-784054TMK2047KFECZR,METAL 1% 47KR785,786054TMK201K8FECZR,METAL 1% 1.8KR787,788054TMK204K7FECZR,

14、METAL 1% 4.7KR789,7900541WS330JFR,METAL 1W 330RRY601,602 063DE2TU-24RELAYTH701,702 034TTC-503THERMISTORVR601-604 051SFR001-222SEMI-FIXED RESISTOR 2.2K0174TR-2792#3HEAT SINKER019TO-126INSULATION SHEET069C-3417AFUSE CLIP069C-4446A00SCREW TERMINALX-1271-03 PCB ASSEMBLYDJ1,2066C-4575A01CANON CONNECTORS4

15、01064C-4613A01TOGGLE SWITCHX-1271-04 PCB ASSEMBLYC901044DE1307E472MSPARKKILLERD901034T1N4148-86DIODER901,902054ERF10AJ100R,WIREWOUND 10W 10RRadioFans.CN 收音机爱 好者资料库Parts Rist3SYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTIONRY901063DE2U-24RELAYTH901063UI300BTHERMOSTATTH902034SCK0512THERMISTER069

16、C-4370A00SCREW TERMINALX-1271-05 PCB ASSEMBLYC903,904041UTES1J221CAP,ELEC.63V220UFC910,91104125BGF470MCAP,ELEC.25V470UFD902034W02MBRIDGED DIODED903,904034T1N4003-TBDIODED905,906034TRD16JST1ZENER DIODEQ901033D600-EFTRANSISTORQ902033B631-EFTRANSISTORR707,708054TMK2022KEFCZR,METAL 1% 22KR9030541WS330JF

17、R,METAL 1W 330RR9040542WS1.8KJFR,METAL 2W 1.8KR905054TMK206K8FECZR,METAL 1% 6.8KR908,909054TMK201K5FECZR,METAL 1% 1.5KX-1271-06 PCB ASSEMBLYS901061C-4176A07POWER SWITCHX-1271-07,08 PCB ASSEMBLYC691,692044KT18-2E104JCAP,FILM 250V0.1UFR655,6560543WS10JFR,METAL 3W 10RHEAT SINKER ASSEMBLYQ617,618032D195

18、3TRANSISTORQ623-630033A1295-OYPOWER TRANSISTORQ633,634033A1294-OYDRIVER TRANSISTORQ635,636033C3263-OYDRIVER TRANSISTORQ637-644033C3264-OYPOWER TRANSISTOR017SG4-08A00HEAT SINKER BOARD019TO-3PINSULATION SHEET(S)019TO-3P2INSULATION SHEET(L)OTHERS011FP-499FRONT PANEL ASSY011SG4-02A00H/S SUB PANEL012RV4-

19、09A00PUSH KNOB 14F014SG3-18A00UPPER COVER015RP-354AREAR CHASSIS019C-4418A00PLASTIC FOOT 26F019C-4638A00CASTER0194TSH-19#2PLASTIC FOOT 50F022T-1061U01POWER TRANSFORMER022T-1064U01POWER TRANSFORMER034BR254POWER DIODE034LTL1214APROTECTION IND.LED034SEL1124RPOWER IND.LED041ALS30S1072MFCAP,ELEC.100V22000

20、UF066C-4641A011P PIN JACK0674TR-2744#1SPEAKER TERMINAL(RED)0674TR-2744#2SPEAKER TERMINAL(BLK)069C-4637A00AC INLET072C-4392A02AC CORD SET for STD072C-4393A03AC CORD SET for CEE072C-4423A03AC CORD SET for AUSTRALIA072C-4639A01AC CORD SET for UK081SG4-22A00INSIDE CARTON081SG4-24A00PACKING081Z-200STYROL

21、 MOULDING4AdjustmentInstruments : DC millivoltmeterNotes : Prior to Bias Adjustment, run about 5minutes with rated output(8ohms) and warm up Power Transistor and Heat Sink. Set input off.StepL CH OUTR CH OUTTP1X-1271-01 PCB X-1271-02 PCB X-1271-01 PCB123TP2X-1271-02 PCB VR603VR604VR601VR6024CouplingAdjust LocationAdjust forDC millivoltmeter reads 0mVDC millivoltmeter reads 5mVECBECBB12345678CEBCEBCE123487652SC51742SA1932AD711JN2SA12942SC32632SA1016K2SC2362K2SB631K2SD600K2SA11422SC26822SD1953MPC1237HA2SA12952SC326465PCB AssemblySchematic Diagram78BRNYELORGWHTGRNGRNWHTORGYELBRN