Rotel-RA971-int-sm 维修电路原理图.pdf

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1、T echnicalManualSTEREO INTEGRATED AMPLIFIERRA-971Table of ContentsSpecificationSpecification.1Wiring Diagram.2Parts List.3,4Adjustment.4PCB Assembly.5,6Schematic Diagram.7,8Rated power, rms. (20-20,000 Hz, 0.03%, 8 Ohms) 60Watts (20-20,000 Hz, 0.03%, 4 Ohms) 90 watts Total Harmonic Distortion, (THD)

2、 0.03%Intermodulation Distortion, (IMD) 0.03%Signal to Noise ratio, all inputs 95 dB IHF A Frequency response 10-100,000 Hz, +1, -3 dB Tone control response Bass 6 dB 100 HzTreble 6 dB 10 kHzInput overload level, all inputs 5 volts Power Requirement 115 volts 60 Hz 230 volts 50 Hz Power consumption

3、300 watts Dimensions (W x H x D) 440 x 92 x 347 mm 17-3/8 x 3-5/8 x 13-11/16 Weight (net) 6.5 kg, 14.3 lb. BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,TOKYO 150-0045, JAPANSerial. NO.BeginingWiring DiagramQuality UncompromisedY-309A-98061M/S-S2RadioFans.CN 收音机爱 好者资料库SYMBOL PARTS NO.DESCRIPT

4、IONSYMBOL PARTS NO.DESCRIPTIONParts ListSYMBOL PARTS NO.DESCRIPTIONSYMBOL PARTS NO.DESCRIPTIONParts List43EEECCCBBB123456782SAS1016K2SC2362K2SA12082SC29102SA13762SC34782SB631K2SD600K2SA15072SC3902OPA2604APNJM2114D2SB8172SD1047Instruments : DC millivoltmeterNotes : Prior to Bias Adjustment, run about

5、 5minutes with rated output(8ohms) and warm up Power Transistor and Heat Sink. Set input off.StepCouplingPlus LeadTP 1TP 2TP 3TP 4X-1214 PCBX-1214 PCBVR601VR60212Minus LeadLocationAdjustAdjust forDC millivoltmeter reads 8mVAdjustmentE-1214 PCB ASSEMBLYC501,502 041 50BGF10M CAP,ELEC.50V10UFC503,504 0

6、44 LFSC160V470H CAP,STYROL 160V47PFC505,506 041 50BGF10M CAP,ELEC.50V10UFC507-512 044 50MSAN104J CAP,FILM 50V0.1UFC513,514 042 LTP50V472J CAP,MYLAR 50V4700PFC515,516 042 LTP50V152J CAP,MYLAR 50V1500PFC517,518 041 50BGF10M CAP,ELEC.50V10UFC519,520 044 LFSC160V101H CAP,STYROL 160V100PFC521,522 041 50B

7、GF10M CAP,ELEC.50V10UFC523,524 041 ECEA1EFS221 CAP,ELEC.25V220UF C527,528 041 ECEA1EFS221 CAP,ELEC.25V220UFC601,602 041 50BGF4R7M CAP,ELEC.50V4.7UFC603,604 044 LFSC160V331H CAP,STYROL 160V330PFC605,606 044 LFSC160V221H CAP,STYROL 160V220PFC607,608 041 25BGF100M CAP,ELEC.25V100UFC609,610 044 LFSC160V

8、331H CAP,STYROL 160V330PFC611,612 041 50BGF10M CAP,ELEC.50V10UFC613-616 044 LFSC160V221H CAP,STYROL 160V220PFC617,618 044 MKT18-100V104K CAP,FILM 100V0.1UFC901-904 043 LTC500V103 CAP,CERA.500V0.01UFC905,906 041 ALC20S1044DG CAP,ELEC.50V10000UFC907,908 041 ECEA1EFS101 CAP,ELEC.25V100UFC909,910 041 EC

9、EA1EFS471 CAP,ELEC.25V470UFC911 041 UTSS1H100 CAP,ELEC.50V10UFC912 041 UTSS1E221-FB CAP,ELEC.25V220UFC913 044 DE7150F472M SPARK KILLERD601-608034 LT1N4148-86 DIODED609-612034 LT1N4003-TB DIODED901 034 LBR84 POWER DIODED902 034 LT1N4003-TB DIODED903,904034 TRD16JST1 ZENER DIODED905,906034 LT1N4148-86

10、 DIODEF601,602036 5ST6.3 MINI FUSE 250V6.3AF901,902036 5ST6.3 MINI FUSE 250V6.3AIC501 031 OPA2604AP ICIC502 031 NJM2114D ICQ601-604033 LT2SC2362KAA-FG TRANSISTORQ605-610033 LT2SA1016KAA-FG TRANSISTORQ611,612033 LT2SC2362KAA-FG TRANSISTORQ613,614033 LT2SA1208AE-RST TRANSISTORQ615,616033 LT2SC2910AE-R

11、ST TRANSISTORQ619,620033 T2SC3478T-LKU TRANSISTORQ621,622033 T2SA1376T-LKU TRANSISTORQ901 033 L2SD600K-EF TRANSISTORQ902 033 L2SB631K-EF TRANSISTORQ903 032 LT2SC536KAA-FG TRANSISTORR301-304054 LTMK2001KFECZ R,METAL 1% 1KR501,502054 LEE10-151 R,METAL 150RR503,504054 LEE10-104 R,METAL 100KR505,506054

12、LTMK2680RFECZ R,METAL 1% 680RR507,508 054 LTMK203K9FECZR,METAL 1% 3.9KR509,510 054 LTMK2100KFECZ R,METAL 1% 100KR511,512 054 LTMK202K2FECZ R,METAL 1% 2.2KR513,514 054 LTMK2002KFECZ R,METAL 1% 2KR515,516 054 LTMK2022KFECZ R,METAL 1% 22KR517-520 054 LTMK201K5FECZ R,METAL 1% 1.5KR521,522 054 LTMK2015KF

13、ECZ R,METAL 1% 15KR523,524 054 LTMK2100KFECZ R,METAL 1% 100KR525,526 054 LTMK2150RFECZ R,METAL 1% 150RR527,528 054 LTMK201K2FECZ R,METAL 1% 1.2KR529,530 054 LTMK2002KFECZ R,METAL 1% 2KR531,532 054 LTMK2100KFECZ R,METAL 1% 100KR533,534 054 LTMK2470RFECZ R,METAL 1% 470RR601,602 054 LTMK2560RFECZ R,MET

14、AL 1% 560RR603,604 054 LTMK2047KFECZ R,METAL 1% 47KR605-612 054 LTMK201K5FECZ R,METAL 1% 1.5KR613-616 054 LTMK2220RFECZ R,METAL 1% 220RR617,618 054 LTMF1/4-5600F R,MRS25 560RR619,620 054 LTMK2047KFECZ R,METAL 1% 47KR621-624 054 LTMK2100RFECZ R,METAL 1% 100RR625,626 054 LTMF1/4-6801F R,MRS25 6.8KR627

15、,628 054 LTMF1/4-1501F R,MRS25 1.5KR629,630 054 LTMF1/4-3302F R,MRS25 33KR631,632 054 LTMK2001KFECZ R,METAL 1% 1KR633,634 054 LTMK2047RFECZ R,METAL 1% 47RR635,636 054 LTMK2012KFECZ R,METAL 1% 12KR637-644 054 TNIR2-0.22J R,METAL 2W 0.22RR645,646 054 2WS10JF R,METAL 2W 10RR647-650 054 LTMK2680RFECZ R,

16、METAL 1% 680RR651,652 054 LTMF3301 R,METAL 3.3KR901,902 054 LTMK203K3FECZ R,METAL 1% 3.3KR904 053 CR14-564J-A R,CARBON 560KR905 054 1WS5.6KJF R,METAL 1W 5.6KR906 053 CR14-681J-A R,CARBON 680RR907 053 CR14-472J-A R,CARBON 4.7KR908 054 1WS1KJF R,METAL 1W 1KRY901 063 EG2-24NU RELAYS301,302 062 4TR-2781

17、 ROTALY SWITCH(FUNCTION)S501 062 4TR-2780 ROTALY SWITCH(TONE)S601 061 4TR-3302 PUSH SWITCH(SPEAKER)S901 061 LC-4176A01T POWER SWITCHTH901 034 TTC-503 THERMISTORVR501 051 C-4170A17 VARIABLE RESISTOR(VOLUME)VR502,503 051 4TR-2774 VARIABLE RESISTOR(TONE)VR601,602 051 LVM6CKPV1S1K SEMI-FIXED RESISTOR 06

18、5 C-3399#1 PHONE JACK 066 4TR-2408#1 4P PINJACK(AUX,TAPE) 066 4TR-2408#3 4P PINJACK(CD,TUNER)067 4TR-3090 SPEAKER TERMINAL068 LC-3963#1 LED CONNECTORHEAT SINKER ASSEMBLYQ617,618 032 L2SD600K-EF TRANSISTORQ623,624 033 2SC3902-RS TRANSISTORQ625,626 033 2SA1507-RS TRANSISTORQ627-630 033 L2SD1047-DE POW

19、ER TRANSISTORQ631-634 033 L2SB817-DE POWER TRANSISTOR016 TX406111 SUB PCB017 3TQF-6#1 HEAT SINKER BOARD019 TO-220 INSULATION SHEET(S)019 TO-3P INSULATION SHEET(L)OTHERS011 FP-483 FRONT PANEL ASSY012 L4TQF-15 POWER BUTTON 14X14012 L4TQF-18 KNOB 13F012 L4TQF-19 KNOB 24F012 L4TQF-20 KNOB 33F WR012 L4TQ

20、F-21 KNOB 33F WF012 4TQF-16 PUSH BUTTON 5X10014 C-4550A09 UPPER COVER014 L4TR-2797#2 ORNAMENT SIDE BOARD014 1TQF-5 BOTTOM BOARD015 RP-347 REAR CHASSIS019 4TR-2807 PLASTIC FOOT CAP022 TT-311-UR POWER TRANSFORMER072 L4TR-670#4 AC CORD for STD072 LC-3763 AC CORD for AUSTRALIA 072 C-4572A01 AC CORD for UK 072 L4TR-1037 AC CORD for CEE081 LTZ-183 STYROL SIDE MOULDING081 SB4-01A00 INSIDE CARTONRadioFans.CN 收音机爱 好者资料库PCB Assembly56Schematic Diagram78