Rotel-RSX972-ssr-sm 维修电路原理图.pdf

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1、T echnicalManual SURROUND SOUND RECEIVERRSX-972Table of ContentsAppearance.2Wiring Diagram.3 Chassis Layout.15Adjustment.16 - 17Conversion.18Case Outlines.19 - 20PCB Assembly.21 - 25Schematic Diagram.26 - 34Disassembly Diagram.4 Disassembly Diagram List.5 Specifications.6 Parts List.7 - 14SHINSEN-BL

2、D. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,TOKYO 150-0045, JAPANSerial. NO.Beginning Quality UncompromisedY-331B-0009/W4THE ROTEL CO., LTD. RadioFans.CN 收音机爱 好者资料库See Page 22 for Backup Memory Cap Location2VIDEO INTAPEINPUT1435INCDOUT2LRVIDEO OUT2DIGITAL INPUT1132COAXIALOPTICALCOAXIALOPTICALDIGITAL OUPUT13

3、32COMPOSITE IN14352COMPOSITE OUT132S-VIDEO IN14352S-VIDEO OUT13LRCENTERSUBWOOFERZONEOUTZONEREMIROUT12EXTREM12VTRIGGEROUTREARFRONTLRMONITOROUTCENTERSUBWOOFERREARFRONTLR5.1 CH INPUTANTENNAOUTPUTCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENAVIS: RISQUE DE CHOC ELECTRIQUENE PAS OUVRIRWARNING:SHOCK HAZARD DO

4、NOT OPENWARNING:TO REDUCE THE RISK OF FIRE OR ELECTICAL SHOCK,DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.Manufactured under license from Digital Theater System, Inc. US Pat. No. 5,451,242 and other world-wide patents, issues and pending. DTS, DTS Digital surround, are trademarks of Digital The

5、ater System, Inc. Copyright 1996 Digital Theater System, Inc. All rights reserved.This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:(1) This device may not cause harmful interference, and(2) this device must accept any interference received,inclu

6、ding interference that may cause undesired operation.21YCRCBCOMPONENT VIDEOINMONITOROUTPOWERSURROUND SOUND RECEIVER RSX-9721234567890MEMORYDIRECTBANDTUNINGMONOBASSTREBLEVOLUMECDTUNERTAPE 1 VIDEO1 VIDEO2 VIDEO3 VIDEO4 VIDEO52CH3STEREOPROLOGICDSP5.1CHINPUTDYNAMICRANGERECZONEManufactured under license

7、from Dolby Laboratories Licensing Corporation. Dolby, Pro Logic and the double-D symbol are trademarks of Dolby Laboraties Licensing Corporation. Confidential unpublished works 1992-1997 Dolby Laboraties, Inc. All rights reserved.SPEAKERSFRONTRREARLRCENTERAMLOOPSURROUND SOUND RECEIVERMODEL NO. RSX-9

8、72POWER CONSUMPTION: 300 WATTSRSX-972LIN12SPEAKER IMPEDANCE8 OHMS MINIMUMCOAXIALOPTICALO S D21345.1chMEMORYMODEAUTODSPdtsTUNEDPTYTPEONRTPRESETRDSD.RANGEDIGITALTAST3StereoPro LogicAppearanceRadioFans.CN 收音机爱 好者资料库23Disassembly Diagram4DISASSEMBLY PARTS LIST 18645000211KNOB ROTARY, AL A6063S-T55524082

9、18001OPTO JACK RX-8A28543000211KNOB MAIN, AL A6063S-T5564438100530JACK RCA 3P(B)38602000611FRONT PANEL, AL A6063S-T5574438100920JACK RCA 2P(B,B WOOFER)48545000511BEZEL RING(47F), ABS RED SPRAY584408101010SPEAKER TERMINAL 4P58523000210CAP SIDE, ABS BLACK594408101110SPEAKER TERMINAL 2P8555000510604438

10、101220JACK RCA 9P(GR,BL,R)(019 C-4525A00T)614438300210JACK MINIATURE 2P(3.5mm) BLACK8543000510624438100120JACK RCA 2P(W,R)(012 TB3-18A00)634408000320TERMINAL ANT(GND),SC0210586N88555000411WINDOW DISPLAY. ACRYL 5.0t646102000611CH.BACK,SECC1.0t854500011065436302200047ASSY INLET(012 RV4-09A00)662028416

11、122TR NPN 2SC3519A W/ACC8545000710672008622110TR NPN 2SC4137 FOR BIAS(019 C-4525A00T)682028116108TR PNP2SA1386A W/ACC6555600110692381851712LED RED1X5 (034SEL 1124R)(019 4TR-1988A#2)6305000110(019 4TTL-15)136725000110FELT VR(TONE)F20146725000120FELT VR(TONE)F52156122200110CH FRONT, SECC1t168535000310

12、FILTER FL ,ACRYL1.0t WINE 174628000110POWER SWITCH, TV-5184658000210SW TACT SKHVBHD010S18109430083SCREW #B BTT 3X8B192408000190REMOCON SENSOR SBX3010-52BS28129430083SCREW #2FTC 3X8B206515000110HOLDER FIP, ABS BLACKS38159430061SCREW #B WPTT 3X6Y212328000302FIP SVR08LM02S48069130064SCREW #WPMS 3X6NI22

13、3218000410VR ENCODER WITH DETENT EC16B2420431S58159440083SCREW #WSAM 4X8B233218000310VR ENCODER WITHOUT DETENT,EC16B243040HS68179430121SCREW HEAT SINK246133100110FOOT, ABS BLACKS78199430103SCREW G.N.D256715000110BUMPONS88159430181SCREW #B WPTT 3X18Y266121600120MAIN CHASSIS, SECC1.2t276515000210SPACE

14、R PCB, ABS BLACK286505000120BKT H/SINK(M3 TAP), SECC1.0t296528000210CLAMP WIRE306505000310BKT PCB,SECC 1.0t317502000110POWER HEAT SINK, AL A6063S-T59007000710INSTRUCTION MANUAL FOR RSX972326505000110BKT H/SINK, SECC1.0t2608207360AM ANT LOOP33436102102031ASSY POSISTOR4348000110FM ANT347505000610H/SIN

15、K SPRING9087000010WARRANTY CARD356122000110TOP COVER, VCM 0.95t4428400110MATCHING TRANS366715000210SPONGE, 260X20X1t9705000110POLY BAG376122600120FRAME T/F, SECC 1.0t9057000010FUSE LABEL382828000107T/F MAIN9057000020GRAPHIC LABEL396715000310SPONGE, 50X40X5t9722000110CUSHION POLY402828000097T/F STAND

16、BY 9605000115BOX CARTON(INNER)416535000310STUD SPACER(H:35mm),MBsBE19625000115BOX CARTON(OUT)426535000110STUD SUPPORT(H:35mm),MBsBE19715000110FILM SOFT PE (BAG TYPE)436535000120STUD SUPPORT(H:45mm),MBsBE19057000110LABEL UL(30X27 )447505000410BRIDGE DIODE H/SINK9057000210LABEL 120V60Hz457505000310H/S

17、INK REG TR(46X12X30), AL9057000220LABEL 230V50H z (CE) 467505000330H/SINK REG TR(46X12X60), AL476715000520SPONGE PCB BTM, 70X30X12t486715000810SPONGE, 10X5X3t494438100520JACK RCA 3P(Y), VIDEO504438100320JACK RCA 6P(WWW,RRR)514438100220JACK RCA 4P(W,R)524438500210JACK RCA 3P, S-VHS534438100730JACK RC

18、A 1P (B)542408008001OPTO JACK TOTX178APARTS NO.DESCRIPTIONNO.PARTS NO.DESCRIPTIONNO.6WINDOW SENSOR ,ACRYL WINE7BUTTON 16KEY, ABS BLACKSCREWPACKING & LABELS9BUTTON F14, ABS BLACK12BTN CONNECTOR PUSH, ABS BLACKBUTTON POWER RING, ABS BLACK1011SPRING BTN,SUS5AM TunerSensitivity500 uV/mmSignal to Noise R

19、atio40 dBfOutput level500 mVAntenna InputLoop AntennaGeneralPower Consumption:850 wattsPower Requirements (AC)115 volts, 60Hz (USA)230 volts, 50Hz (CE)Weight15 Kg/33 lb.Dimensions (W x H x D)445 x 160 x 400 mm171/2 x 61/4 x 153/4All specifications are accurate at the time ofprinting.SpecificationsAu

20、dioContinuous Amplifier Power(all channels driven)75 watts/ch (20-20k Hz, 0.09% THD, 8 ohms)100 watts/ch (1kHz, 1.0% THD, 8 ohms, DIN)Total Harmonic Distortion0.09%Intermodulation Distortion (60 Hz:7kHz) 98.1MHz search , Low Freq. - 98.1MHz search)16AM Section* Necessary measurement equipment :AM Si

21、gnal Generator, Audio Signal Analyzer, Dummy Load, Oscilloscope, Digital Volt Meter (DVM)(A) VT adjustAM Signal Generator Setting 1. Adjust AM Frequency of RSX-972 to 522KHz. (or 520KHz)2. Connect (-) terminal of DVM with GND ( or chassis ) and connect (+) terminal with Jumper J3 ( VT CHECK ) and me

22、saure voltage. ( Low Freq. VT)3. Adjust VT to 1.1V with T02 (AM-OSC Coil).* In case of USA version, AM freq. range is 520KHz 1710KHz. So, adjust as below. at 520KHz, VT = 1.1V ( Low Freq. VT)(B) Output Level adjustAM Signal Generator Setting - Modulation : 30%- Audio Frequency : 400Hz- Output Level

23、: 100dB- Radio Frequency : 603KHz (or 600KHz )RSX-972 Setting - AM Frequency : 603KHz/1404KHz/999KHz (or 600KHz/1400KHz/1000KHz)1. Turn AM Signal Generator Modulation ON2. Adjust RSX-972 AM Freq. to 603KHz (or 600KHz) and measure output level with Audio Signal analyzer.3. Adjust output level to maxi

24、mum point with T01 ( AM-ANT ).4. Adjust AM Signal Generator & RSX-972 AM Frequency to 1404KHz (or 1400KHz) and measure output level.5. Adjust output level to maximum point with TC01 (White Trimmer).6. Repeat above 2. 5. steps 2 3 times until adusting to best output level.7. Adjust AM Signal Generato

25、r & RSX-972 AM Frequency to 999KHz (or 1000KHz) and measure output level.8. Adjust level to maximum position with T03 (AM-IFT).(C) TUNED Level adjustAM Signal Generator Setting - Modulation : 30%- Audio Frequency : 400Hz- Radio Frequency : 999KHz (or 1000KHZ)- Output Level : 84dBRSX-972 Setting - AM

26、 Frequency : 999KHz (or 1000KHz)1. Turn AM Signal Generator Modulation ON ( Make sure if Output level is 84dB )2. If TUNED indicator does not turn on at higher than 8086dB(Generator output), Adjust VR01 ( AM-ADJ ) up to the moment where TUNED indicator tunrs OFF & ON again3. Confirm if TUNED turns O

27、FF when decreasing the output level of AM Signal Generator slowly from 84dB to 80dB.4. Push RSX-972 TUNE UP or DOWN button long at AM Signal Generator Output Level 84dB and start AUTO search. Confirm if search stops at AM Frequency 999KHz (or 1000KHz). 999KHz(or 1000KHz) search , Low Freq. - 999KHz(

28、or 1000KHz) search 17RSX972 Conversion FOR 01 VERSION (USA)- INSERT FOLLOWING PARTS115V JUMPER 3POINT(435502042147)F901 FUSE (7A/250V)F902 FUSE (315mA/250V)USA/TAIWANFOR 24 VERSION (EUROPE)- INSERT FOLLOWING PARTS230V JUMPER 2POINT (435502042147)F901FUSE (T4A/250V)F902FUSE (T250mAL/250V)EUROPE/AUSTR

29、ALIA/CHINA10KH H H H9KHz z z z200KH H H H50KH H H HVERSION SELECTOR10KH H H H200KH H H H9KHz z z z50KH H H HVERSION SELECTORH551CPUUSAEUROPE/AUSTRALIA/CHIFM : 200KHz /STEPSTEPSTEPSTEPAM : 10KHz /FM : 50KHz /AM : 9KHz /DIGITALJLU100JLE100JRE100JRU100JLU100JLE100JRE100JRU100JLU100JLE100JRE100JRU100TUN

30、ERFRONT-ENDANT-TERMINAL230VFIL901T901R901115V115V230V115V18Case OutlinesKBPC2504W2SA1386A2SC3519AKIA7905KIA7915KIA7906KIA7805KIA7815KIA78062SA1859A2SC4883A2SA13602SC34232SC4137DTC323DTC107DTA107KTA1268KTA1271BTKA1266KTC3198KTC3200KTC3203NJM5532FPC817NJM5532DKS5520TSH94INNJU7311ABA03374HCT12574HCU047

31、4VHC15774VHC574LM7001BU1920FAK5351VFAK4324VFAK4110VFTC9154FTC9184APLA3401LA1266CXP81960-573QCXP82832-309QCS4926AT27020 (PROM)TC9459NTC9163ANNJU7312AL19Meno20FRONT LSURROUND LCENTERSURROUND RFRONT RAmplifier Circuit Locations for RSX972PCB Assembly40020002004002002710TOP VIEWBOTTOM VIEW400200270021PC

32、B Assembly4002002800TOP SIDEBOTTOM SIDE22Stand-By Memory Cap 0.1F, 5.5 VoltsPCB Assembly400200250023PCB Assembly4002002460400200240040020024204002002410400200243040020024404002002450244002002620400200261040020026004002002300TOP SIDEBOTTOM SIDEPCB Assembly25Block Diagram264002000200Power Amplifier Bo

33、ar27Schematic Diagram4002002800 (1/2) Digital Board3K33K328SCHMATIC DIAGRAM (Revised)4002002800 (2/2) Digital BoardNote: RED marked for increase Output levelDeleteDelete1K88201K81K829SCHMATIC DIAGRAM4002002410 KEY Board4002002400 Control Board4002002420Power SW4002002460 S-Video Board30SCHEMATIC DIA

34、GRAM4002002500 (1/2) Main Board31SCHEMATIC DIAGRAM4002002500 Power Supply4002002500 Zone 24002002500 (1/2) Main Board4002002500 Composite Video & OSD32SCHEMATIC DIAGRAM4002002620 Terminal BoardComponent Video4002002600 Speaker Board4002002610 Center Speaker Board4002002710 Capacitor Board4002002700 Standby BoardStandby Trans33SCHEMATIC DIAGRAM4002002300 Tuner Board34