Rotel-RX975-rec-sm 维修电路原理图.pdf
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1、TechnicalAM/FM STEREO RECEIVERManualRX-975Table of Contents Specification.2 Wiring Diagram.3Disassembly Diagram.4 Disassembly Diagram List.5Parts List.6-14 Chassis Layout.15 Adjustment.16-17 PCB Assembly.18-20 Schematic Diagram.21-26 THE ROTEL CO., LTD. SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
2、 TOKYO 150-0045, JAPAN Serial No. Beginning RROTELQuality uncompromised Y-319A-99092C/R-R RadioFans.CN 收音机爱 好者资料库Specification Audio Continuous Amplifier Power: 100 watts/channel (20-20 kHz, 0.05%, 8ohms) Total Harmonic Distortion: 0.05 % at rated power Intermoduration Distortion (60 Hz : 7 kHz): 12
3、0 mV Preamplifier Output Voltage: 1.1 V Input Sensitivity / Impedance: Line Level: 200 mV / 47kohms Phono: 3.1 mV / 47 kohms Tone Controls ( Bass / Treble): 8 dB at 100Hz /10 kHz Video Frequency Response: 3 Hz-10 MHz, 3dB Signal to Noise Ratio: 92 dB Input Impedance: 75kohms Output Level: 1 volt FM
4、Tuner Usable Sensitivity: 14.2 dBf 50 dB Quieting Sensitivity: 20.2 dBf (mono) 45.3dBf (stereo) Signal to Noise Ratio (at 65 dBf): 70 dBf (mono) 65 dBf (stereo) Harmonic Distortion (at 65 dBf): 0.3% (mono) 0.5% (stereo) Frequency Response: 30 Hz- 14kHz, 1.5dB Capture Ratio: 2.0 dB Alternative Channe
5、l Selectivity 47 dB ( 400kHz) Spurious Response Ratio: 80 dB Image Response Ratio: 65 dB IF Response Ratio: 80 dB AM Suppression Ratio: 52 dB Stereo Separation (100Hz/ 1 kHz/ 10 kHz): 40 dB/ 45 dB/ 35 dB Output Level: 550 mV Antenna Input: 75 ohms unbalanced AM Tuner Sensitivity: 500 uV/m Selectivit
6、y: 25 dB Image Response Ratio: 35 dB Signal to Noise Ratio: 40 dB Output Level: 160 mV Antenna Input: Loop Antenna General Power Consumption: 350 watts Power Requirements (AC): 115Volts, 60 Hz (USA version) 230 Volts, 50 Hz (European version) Weight: 11.5 Kg / 25.4 lb. Dimensions (W x H x D): 450 x
7、158 x 400 mm 173/4” x 61/4” x 153/4” 2RadioFans.CN 收音机爱 好者资料库Wiring Diagram3Disassembly Diagram4Disassembly Diagram List18553000211WINDOW DISPLAY. ACRYL 3.0t522168602114IC KIA7915P REG.28545000211KNOB ROTARY, AL A6063S-T5532168602019IC KIA7815P REG.38543000211KNOB MAIN, AL A6063S-T5542028316100TRANS
8、ISTOR 2SC4833A-Y48602000311FRONT PANEL, AL A6063S-T5552028016100TRANSISTOR 2SA1859A-Y58535000110FILTER, ACRYL 1.0t562028416122TRANSISTOR 2SC3519A W/ACC68545000311BEZEL RING, ABS BLACK572028116108TRANSISTOR 2SA1386A W/ACC78521000110FRONT BODY, ABS BLACK582008622110TRANSISTOR 2SC4137 FOR BIAS885450001
9、10POWER BUTTON, ABS BLACK98523000120SIDE CAP(RIGHT), ABS BLACK108523000110SIDE CAP(LEFT), ABS BLACK114628000110POWER SWITCH, TV-5124438000210PHONE JACK 9P(GOLD)136505000210PHONE BRAKET 0.6t144658000110TACT SWITCH152408000180REMOCON SENSOR CRV1M352-B166515000110HOLDER FIP, ABS BLACK172328000304FIP SV
10、R-12MM18(35S/12G)183218000210VR ROTARY, ENCODER193218000110VR MAIN, ENCODER207502000210POWER HEAT SINK, AL A6063S-T5216505000110BRAKET HEAT SINK, SECC1.0t22436102101535ASSY POSISTOR236133100110FOOT, ABS BLACK246715000110BUMPON256121600110MAIN CHASSIS, SECC1.2t266515000210SPACER PCB, ABS BLACK2767150
11、00410SPONGE, 80 x20 x9t286528000210CLAMP WIRE296122000110TOP COVER, VCM 0.95t306715000210SPONGE, 260X20X1t316715000510SPONGE, 90 x40 x12t322828000067POWER TRANS(022 T-1068N01)336122600110FRAME T/F, SECC 1.0t347505000210REG TR HEAT SINK(24X30), AL354438101120RCA JACK 4P(WR,WR)364438300110JACK RCA(MIN
12、I)374448000110AC OUTLET382828000037STANDBY TRANS(120V/60Hz)394408100910SPEAKER TERMINAL 8P(RBRB,RBRB)404438100720RCA JACK 1P(Y), VIDEO414438100520RCA JACK 3P(Y), VIDEO424438100320RCA JACK 6P(WWW,RRR)434438100120RCA JACK 2P(W,R)444438100220RCA JACK 4P(WW,RR)454408000310ANT TERMINAL(SCREW)466102000211
13、BACK CHASSIS, SECC1.0t474448000310AC INNET484308000410INNET CORD AC POWER494408200110TERMINAL G.N.D504428000110JUMPER PLUG517505000110REG TR HEAT SINK(15X30), ALNO.PARTS NO.DESCRIPTIONNO.PARTS NO.DESCRIPTION5Parts ListPART NO.DESCRIPTIONSYMBOL NO.AMP PCB 4002001200 ASSEMBLY4002001200Assembled PCB200
14、8207101TRANSISTOR 2SA1360(O/Y)QL207,QR2072008607106TRANSISTOR 2SC3423(O/Y)QL209,QR2092028016100TRANSISTOR 2SA1859A-YQL212,QR2122028316100TRANSISTOR 2SC4883A-YQL211,QR2112648601470COIL INDUCTOR 0.5UHLL201,LR2013049259573RES WW 0.25 2W JRL235,RL245-247,RR235,RR245-2473479347181CAP E SG 470UF/63VCL208,
15、CL209,CR208,CR209436502102167 CTJ 0210 201,210 DL #18 P7.92CN203436502252166 CTJ 0225 201,210 DL #18 P3.96CN202436502302166 CTJ 0230 201,210 DL #18 P3.96CN2014428502526CNT PLUG ST MO 5267-02CP204,CP6024428505526CNT PLUG ST MO 5267-05CP2017505000110H/SINK REG TR 15X302058322101DIODE 1N4148D206,DL201,
16、DL202,DR201,DR2022208206104TRANSISTOR KTA1268(GR/BL)Q,Q,Q,Q,Q,Q52208206105TRANSISTOR KTA1266YQ218,QL203,QL204,QR203,QR2042208606104TRANSISTOR KTC3198Y-ATQ219,Q220,QL217,QR2172208606108TRANSISTOR KTC3200(GR/BL)QL206,QL208,QR206,QR2082238006104TRANSISTOR KRC107MQ2212258128002DIODE 1N4004DL203,DL204,DR
17、203,DR2042258599919DIODE ZENER T-72 UZ9V1ZD2013029100470RES MF 10 1W JRL243,RR2433029102970RES MF 1K 1/8W JR249,RL201,RR2013029103970RES MF 10K 1/8W JRL210,RR2103029104970RES MF 100K1/8W JR2463029122970RES MF 1K2 1/8W JRL223,RR2233029150970RES MF 15 1/8W JRL203,RL204,RR203,RR2043029151970RES MF 150
18、1/8W JRL209,RR2093029152970RES MF 1K5 1/8W JR252,RL212,RR2123029154970RES MF 150K 1/8W JR2533029222970RES MF 2K2 1/8W JRL237-240,RR237-2403029223970RES MF 22K 1/8W JRL221,RL222,RR221,RR2223029243970RES MF 24K 1/8W JRL242,RR2423029332970RES MF 3K3 1/8W JR2483029333970RES MF 33K 1/8W J,93029339970RES
19、MF 3R3 1/8W JRL231-234,RR231-2343029392970RES MF 3K9 1/8W JRL225,RR2253029470470RES MF 47 1W JRL227,RL228,RR227,RR2283029471970RES MF 470 1/8W JRL224,RR2243029472970RES MF 4K7 1/8W JRL217,RR2173029561970RES MF 560 1/8W JRL213-216,RL218-219,RR213-216,RR218-2193029680970RES MF 68 1/8W JRL208,RR2083029
20、681970RES MF 680 1/8W JRL205,RL241,RR205,RR241?6Parts ListPART NO.DESCRIPTIONSYMBOL NO.3029682970RES MF 6K8 1/8W JR250,RL244,RR2443029683970RES MF 68K 1/8W JR2473029751970RES MF 750 1/8W JRL206,RL207,RR206,RR2073029820970RES MF 82 1/8W J,03479310071CAP E SG 10uF/50VCL210,CL216,CR210,CR2163479310971C
21、AP E SG 1uF/50VC2183479310991CAP E SG 1UF/100VCR212,CR2133479322031CAP E SG 22UF/16VCL205,CR2053479333061CAP E SG 33UF/35VCL204,CR2043479347111CAP E SG 470UF/6.3VC219,CL207,CR2073479347971CAP E SG 4.7uF/50VCL201,CR201,CL211,CR2113519033935CAP C AXIAL 3.3PF/50V JCL206,CR2063519680935CAP C AXIAL 68PF/
22、50V JCL202,CR2023519681935CAP C AXIAL 680PF/50V JCL203,CR2033679104250CAP MYLAR 0.1UF/250V JCL214,CR214FRONT PCB 4002001000 ASSEMBLY4002001000Assembled PCB2138322102IC CPU CXP82832-180Q RX975U6012328000304FIP SVR-12MM18(35S/12G)FL6012408000180REMOCON SENSOR CRV1M352-BRMC13218000110VR ENCODER EC16B24
23、3040F3218000210VR ENCODER EC16B242040A3439210415CAP BACK-UP 0.1F/5.5VC6143938124010RESONATOR CST10.0MTW-TF01XT601436102233535 CTM 0223 5263,5394 DL #26 P2.5CN602436210433524 CTG 1043 S04,T04 DL #26 P2.0CN8564428617265CNT FPC PLUG EL AN 00-8370-177CP6012058322101DIODE 1N4148D601-610,618-6202208606104
24、TRANSISTOR KTC3198Y-ATQ601-6032238006104TRANSISTOR KRC107MQ604,6052371140711LED SLR56VR3FLD614-6163029101970RES MF 100 1/8W JR6283029102970RES MF 1K 1/8W JR601-610,644-6473029103970RES MF 10K 1/8W JR617,623,624,626,634-6413029104970RES MF 100K1/8W JR6223029331970RES MF 330 1/8W JR612,614,616,6253029
25、333970RES MF 33K 1/8W JR6183029472970RES MF 4K7 1/8W JR611,613,615,619,627,629,642,6433029473970RES MF 47K 1/8W JR630-6333029479970RES MF 4R7 1/8W JR620-6213479322871CAP E SG 0.22UF/50VC6163479333971CAP E SG 3.3UF/50VC6153479347971CAP E SG 4.7uF/50VC6123519101935CAP C AXIAL 100PF/50V JC601-609,623,6
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