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1、SERVICE MANUALCOPYRIGHT 2005 Victor Company of Japan, LimitedNo.MB3522005/3AUDIO/VIDEO CONTROL RECEIVERMB35220053RX-5050B,RX-5052STABLE OF CONTENTS1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2、. . 1-32SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3、 . 1-34ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-35TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4、. . . . . . . 1-3TA/NEWS/INFODISPLAY MODEArea suffixB - U.K E - Continantal EuropeEN - Northern Europe EV - Eastern EuropeEX-5052SArea suffixE - Continantal EuropeRX-5050BRadioFans.CN 收音机爱 好者资料库1-2 (No.MB352)SPECIFICATION* Corresponding to Linear PCM, Dolby Digital, and DTS Digital Surround (with sa
5、mpling frequency -32 kHz, 44.1 kHz, 48 kHz)Designs and specifications are subject to change without notice.AmplifierOutput PowerAt Stereo operationFront channels100 W per channel, min. RMS, driven into 8 , at 1 kHz with no more than 0.8% total harmonic distor-tion (IEC268-3/DIN).At Surround operatio
6、nFront channels100 W per channel, min. RMS, driven into 8 , at 1 kHz with no more than 0.8% total harmonic distor-tion.Center channel100 W, min. RMS, driven into 8 , at 1 kHz with no more than 0.8% total harmonic distortion.Surround channels100 W per channel, min. RMS, driven into 8 , at 1 kHz with
7、no more than 0.8% total harmonic distor-tion.AudioAudio Input Sensitivity/Impedance (1 kHz)CD, TAPE/CDR, VCR, TV SOUND, DVD : 220 mV/47 kAudio Input (DIGITAL IN)*Coaxial DIGITAL 1 (DVD) : 0.5 V(p-p)/75 Optical DIGITAL 2 (CD) : -21 dBm to -15 dBm (660 nm 30 nm)Recording Output LevelTAPE/CDR, VCR : 22
8、0 mVSignal-to-Noise Ratio (66 IHF/DIN)CD, TAPE/CDR, VCR, TV SOUND, DVD : 87 dB/62 dBFrequency Response (8 )CD, TAPE/CDR, VCR, TV SOUND, DVD : 20 Hz to 50 kHz (+1 dB, -3 dB)Equalization (5 bands)63 Hz, 250 Hz, 1 kHz, 4 kHz, 16 kHz : 8 dB (in 2 dB steps)VideoVideo Input Sensitivity/Impedance : Composi
9、te video DVD, VCR : 1 V(p-p)/75 Video Output Level : Composite videoVCR, MONITOR OUT : 1 V(p-p)/75 SynchronizationNegativeSignal-to-Noise Ratio45 dBFM tuner (IHF)Tuning Range87.50 MHz to 108.00 MHzUsable SensitivityMonaural17.0 dBf (1.9 V/75 )50 dB Quieting Sensitivity Monaural21.3 dBf (3.2 V/75 )St
10、ereo41.3 dBf (31.8 V/75 )Stereo Separation at OUT (REC)35 dB at 1 kHzAM (MW) tunerTuning Range522 kHz to 1 629 kHzGeneralPower RequirementsAC 230 V , 50 HzPower Consumption210 W (at operation)1.5 W (in standby mode)Dimensions (W H D)435 mm 146.5 mm 369.5 mmMass7.5 kgRadioFans.CN 收音机爱 好者资料库(No.MB352)
11、1-3SECTION 1PRECAUTIONPlease refer to RX-5042S (No.MB185) about this section.SECTION 2SPECIFIC SERVICE INSTRUCTIONSPlease refer to RX-5042S (No.MB185) about this section.SECTION 3DISASSEMBLYPlease refer to RX-5042S (No.MB185) about this section.SECTION 4ADJUSTMENTPlease refer to RX-5042S (No.MB185)
12、about this section.SECTION 5TROUBLESHOOTINGPlease refer to RX-5042S (No.MB185) about this section.(No.MB352)AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,JapanVictor Company of Japan, LimitedVPTPrinted in JapanSCHEMATIC DIAGRAMSAUDIO/VIDEO CON
13、TROL RECEIVERNo.MB352SCH2005/3RX- 5050B, RX- 5052SCOPYRIGHT 2005 Victor Company of Japan, Limited.TA/NEWS/INFODISPLAY MODEArea suffixB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - U.K E - - - - - - - - - - - - - Continantal EuropeEN - - - - - - - - - - - - - - Northern Europe EV
14、 - - - - - - - - - - - - - - - Eastern EuropeEX- 5052SArea suffixE - - - - - - - - - - - - - Continantal EuropeRX- 5050BContentsBlock diagramStandard schematic diagramsPrinted circuit boards2- 12- 2 2- 8 to 11CD- ROM No.SML200503In regard with component parts appearing on the silk- screen printed si
15、de (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the mark nearby are critical for safety. 2-1D201- D204Q203Q711TunerPrimary sectionDSP_CLK,DSP_STATUS,DSP_READYDSP_RESET,DSP_COMMANDVOL_CLKVOL_DAKEY_IN1KEY_
16、IN2KEY_IN3KEY_IN4KEY_IN5RY_LR1, RY_CRY_S,RY_HPPOWERSURR L/RCENTERFR/FLCN411CN481CN471CN472CN473CN272CN273CN171FW303FW141AMFMMainplugVIDEO1VIDEO2DSP_L/R,DSP_SL/SRDSP_C,DSP_LFEL,R,SL,SRC,LFE+VH,+VL- VH,- VLB+5VF1, F2IC402SOURCESELECTORIC423SELECTORIC4286CHMASTERVOLUMERY302RY203Q206Q208Q209IC701SYSTEMC
17、ONTROLD1701FL DISPLAYQ202RY202T202TRANS.D1101- D1108D206- D209T201POWERTRANS.IC101L/RchPOWERAMPFLFRL/RFW301FW301LchRchSLchSRchCchST301IC102C/SL/SRchPOWERAMPSURR LSURR RCENTERFW302FW302SLSRCRY303RY304CN421CN401VCROUT_L/RCD_L/RVCRIN_L/RTV_L/RTAPEOUT_L/RTAPEIN_L/RSIG_L/RTUNER_L/RDVD_L/RDVD_L/RSW_OUTSW_
18、OUTJ406DVDJ404J402CDTAPE_PLAYTAPE_RECJ403TV_SOUNDVCR_PLAYVCR_RECCN431IN_L/RCN482CN402CN702DVD_L/RSW_OUTDIGITAL IN1J681DIGITAL IN2UN682IC601,IC602FILTERIC661DSPIC667CODECwithS/PDIFIC611,IC612,IC613IC615,IC621,IC622IC632,IC633,IC634FILTERIC671DSP, CODECCONTROLLERLIN+/-RIN+/-A1+/- ,B1+/-A2+/- ,B2+/-A3+
19、/- ,B3+/-CN683CN681S727D719CN714CN704STB_LEDKEY_IN2S721 to S726S728 to S732S734,S735,S737S740 to S743S745,S746,S756S750 to S752SEG1 to 16GRID1 to 16JS701JS702JOG1JOG2JOG_1JOG_2CN701CN201FW251CN101J101CN241CN203FW201FW201POWERHP_L/RPrimary section(Powertransformer 2)Primary section(Powertransformer 1
20、)Primary section(Power/Fuse)Primarysection(Headphonejack)Audio amp section(Speaker terminal)RX0RX1Power switchsectionUser control keys /System control LSI /FL display sectionCN251CN151Surround IC / Digital signalinput terminal sectionCN451TU_DATAINTU_DATAOUTTU_CLKTU_CEIC501SELECTORJ501DVDMONITORPRJ5
21、02CN441CN501Audio/Video signal inputterminal section (Video)Audio/Video signal input terminal section(Audio)TUNER_L/RAudio/Videosignal inputterminalsection (DVD)Audio amp sectionVolume / Regulator / Source select IC sectionCN291+B2,- B25.6VRY_SRY_CRY_LR1RY_HPCN292Primary section(Relay)CN492CN491Q140
22、1 to Q1405Q1407,Q1408Q1434,Q1435REG+B2,- B2,5.6V+12V,- 12V,5.6V+7V,- 7V,A+5V,D+5VVIDEO1VIDEO2SW_DATASW_STBSW_CLKSW_DATASW_STBSW_CLKQ1420Q1427Q1428Q1429TU_MUTEQ1413 Q1414Q1418 Q1419Q1417S_MUTEFRONT_ACENTERSURRFRONT_ACENTERSURRDSP_IN_L/RDSP.LDSP.RDSP.LSDSP.RSDSP.CDSP.SWCDIN,CDOUTCCLK,INTD_RST,D_CSD/A0
23、 to D/A3DATA,MCK,XTALS_BCK,S_LRCKC_BCK,C_LRCKDSP_RSTSS,HREQMOSI,MISOGPIO1 to GPIO4IC703REMOTECONTROLRECEIVERRM_INIC403IC427IC422Block diagram2-2SHEET 1Parts are safety assurance parts.When replacing those parts makesure to use the specified one.RY_SRY_CRY_SRY_CRY_LR1POWERRY_LR1POWERRY_HPPROTECTOR_IN
24、RY_SURROUNDPOWERPROTECTOR_INRY_SRY_CRY_LR1RY_HPRY_HPPROTECTOR_INRY_SURROUNDPOWERPROTECTOR_INRY_SRY_CRY_LR1RY_HP470PC221B170QGD2504C1- 03ZCN101123B170F205QGD2504C1- 03ZCN101123330PC102330PC101FW20112345FW20112345QGA3901F2- 05CN251123455A- 125VF206!5A- 125VF207!FW20112345FW20112345QGA3901F2- 05CN25112
25、345T5ALF206!T5ALF207!QGD2504C1- 04ZCN2031234QDG2504C1- 04ZCN2031234J101123470R102OMF470R101OMF3.3MR1QGD2504C1- 05ZCN24112345KRC105MQ210EP1GNDQGB2510J1- 04CN2911234QGB2510K1- 04CN4921234QGB2510K1- 04CN2921234KRC105MQ2061SS133D21868R210UNFQSK0109- 001RY203125643FW251123KRC105MQ208KRC105MQ20910R208UNF1
26、A3G- T1D2122200/6.3C2131A3G- T1D2191A3G- T1D220QGF1205C1- 14CN2011413121110987654321014PW311820R204UNF1SS133D22110R221!KTC3200/GLQ2051/50C218MTZ8.2JCD217100kR2090.1C2030.1C2020.047C2070.047C2062200/35C2041000/35C2050.1C2011A3G- T1D202!PG4003- F21D203!PG4003- F21D201!1A3G- T1D204!KTC3203/OY/Q203!KRC1
27、05MQ2021A3G- T1D207!1A3G- T1D208!470/25C2091A3G- T1D206!1A3G- T1D209!MTZ6.8JCD2111SS133D210470/16C2120.0047C210!QQT0478- 001T202!1111QSK0128- 001RY202!2341PW104PW205PW204PW2030.0047/100C2082A- 125VF202!2A- 125VF203!2.2R201!PW105EP201PW101PW103PW3026.3A- 125VF201!TA201TA202PW1020101141121101111131211
28、201221301310.001C1020.001C101J101123470R102OMF470R101OMFQGD2504C1- 05ZCN24112345KRC105MQ210EP1GNDT100mALF205QGB2510J1- 04CN2911234QGB2510K1- 04CN4921234QGB2510K1- 04CN2921234KRC105MQ2061SS133D21868R210UNFQSK0109- 001RY203125643FW251123KRC105MQ208KRC105MQ20910R208UNF1A3G- T1D2122200/6.3C2131A3G- T1D2
29、191A3G- T1D220QGF1205C1- 14CN2011413121110987654321014PW311820R204UNF1SS133D22110R221!KTC3200/GL Q2051/50C218MTZ8.2JCD217100kR2090.01C2030.01C2020.047C2070.047C2062200/35C2041000/35C2050.1C2011A3G- T1D202!PG4003- F21D203!PG4003- F21D201!1A3G- T1D204!KTC3203/OY/Q203!KRC105MQ2021A3G- T1D207!1A3G- T1D2
30、08!470/25C2091A3G- T1D206!1A3G- T1D209!MTZ6.8JCD2111SS133D210470/16C2120.0047C210!QQT0478- 002T202!1111QSK0128- 001RY202!2341PW104PW205PW204PW2030.0047/100C208T2ALF202!T2ALF203!2.2R201!PW105EP201PW101PW103PW302T2.5ALF201!TA201TA202PW102010114112110111113121120122130131*4*- 24.9V(6.3A- 125V)(2A- 125V
31、)GND6.9V5.1V0V0V0V0V4.4V5.1V4.8V0V- 24.9V- 29VR2035.0V5.1V0VB/E/EN/EVVERSION CODES23V0V- 24.9V5.7V- 24.9V- 29.0V- 29.8VEVJCBEENUSS1UT0V0VS1;S1;J/CB/E/EN/EVUS/UT(2.5A- 250V)R1,EP1R211,R212D222,D223Q211R221UP/ANONET202470/25NONEUSEUSEGND*QQT0433- 001QQT0434- 001C101USEUSEUSEQQT0281- 004NONEQQT0281- 00
32、4470/25USEC209470/63470/63R2012.74.75.65.6C102330PEASTERN EUROPEUP ; KOREAAB170F205F204F202,F203F201QMF51U1- 6R3- J8QMF51U1- 2R0- J8QMF51W2- 2R5- J8QMF51W2- 2R0- J8QMF51E2- R10- J1QMF51W2- 5R0- J8QMF51W2- 2R0- J8QMF51W2- 2R5- J8QMF51E2- R10- J1J/CB/E/EN/EV/UP/AUS/UT23.4V0VNONE; AUSTLARIA330P0.0010.0
33、01330P330PNONENONE330PNONE330PVS201(J/C/B/E/EN/EV)NONE*0V5.1V- 29.0V23.4V23.5V4.5VS20V0V0V0VNONENONES20V24.1V24.2VCOM0V23V0V0V0V0V*6.4V5.8V0V4.8V0VNONE*NONENONEUSENONENONENONEAC20.3V0VAC20.3V- 15.0V- 15.0V(2A- 250V)(2A- 250V)(2.5A- 250V)*(5A- 250V)*+B2(2W)FRONT_ALVA10472- 1SURRCENTERHP_LHP_R(1/4W)(2
34、W)GNDUNF.O.M.F.FL- B5.6V5.6VF1- VPPF2B+5V+B2- B2HP_R*HP_LUNF.O.M.F.T201J/CU.S.A.SHEETCIRCUIT DISCRIPTION1UNF.RES*23*56F206,F207QMF51U1- 5R0- J8QMF51W2- 5R0- J8QMF51W2- 5R0- J8PRIMARY*CANADAU.K.CONTINENTAL EUROPENORTHERN EUROPEVOLUME / REGULATOR / SOURCE SELECT ICSINGAPORE(5A- 125V)AUDIO AMPAUDIO / V
35、IDEO SIGNAL INPUT TERMINAL TAIWAN(100mA- 250V)USER CONTROL KEYS / SYSTEMCONTROL LSI / FL DISPLAYSURROUND IC / DIGITAL SIGNAL INPUT TERMINAL(5A- 250V)(100mA- 250V)NONEUSEC221NONENONENONEUSE*(5A- 250V)LVA10472- 2LVA10472- 3LVA10472- 4(1/4W)LVA10464- 6To FW303(LVA10471- 2)To FW141(LVA10471- 1)To CN491(
36、LVA10464- 1)To CN701(LVA10464- 2)LVA10472- 8LVA10472- 1TH.FUSELVA10472- 2UNF.M.F. (1/4W)LVA10472- 3S4S4S3S3COMLVA10472- 4LVA10464- 6S2S2COM(100V)(100V)(100V)POWERTRANSFORMERUNF.RES(1/4W)D.GNDA.GNDLVA10472- 8+B2(2W)FRONT_ATo CN151(LVA10471- 1)SURRCENTERHP_LHP_R(1/4W)(2W)GNDUNF.O.M.F.FL- B5.6V5.6VF1-
37、VPPF2B+5V+B2- B2HP_RTo CN151(LVA10471- 1)HP_LUNF.O.M.F.T201UNF.RES*(1/4W)To FW303(LVA10471- 2)To FW141(LVA10471- 1)To CN491(LVA10464- 1)To CN701(LVA10464- 2)TH.FUSEUNF.M.F. (1/4W)S3S3S2S2COMS1(100V)(100V)(100V)POWERTRANSFORMERUNF.RESD.GNDA.GNDMAINSPLUGMAINSPLUG(SHEET 6)(SHEET 2)(SHEET 3)(SHEET 2)(SH
38、EET 2)Standard schematic diagramsPrimary section2-3SHEET 2Parts are safety assurance parts.When replacing those parts makesure to use the specified one.MTZJ15CD1121STK413- 430IC102!12345678910111213141516171819202122STK412- 430IC101!1817161514131211109876543214700/63C11134700/63C11146800/71C11126800
39、/71C1111MTZJ15CD1122MTZJ15CD1221MTZJ15CD122233R1269UNF33R1241UNF33R1242UNF33R1141UNF33R1142UNF0.45uL12690.45uL12410.45uL12420.45uL11410.45uL11421.5kR1223OMF!1.5kR1224OMF!1.5kR1123OMF!1.5kR1124OMF!100/100C1121100/100C1122100/100C1221100/100C122210R1243OMF!10R1270OMF!10R1244OMF!10R1144OMF!10R1143OMF!0
40、.047C11420.047C11440.047C11430.047C1141QUM215- 25Z4Z4FW30112345QUM216- 25Z4Z4FW302123456QUM214- 26DGZ4FW3031234QQLZ005- R45L1351B1005QQLZ005- R45L1352QQLZ005- R45L1353B1007B1008B1009B1006100pC1124100pC1123100pC1223100pC1265100pC12240.047C12420.047C12440.047C12430.047C12410.047C1267100kR1175100R12101
41、00kR1174100kR1173QQLZ005- R45L1354KTA1268/GLQ1185QJP002- 021601CN27221QJP001- 031001CN2733210.047C12661kR11271kR1128QQLZ005- R45L1355QSK0109- 001RY3031SS119D13521kR11021kR1101750R1106UNF!750R1105UNF!33kR1109100kR1108100kR1107100kR1104100kR1103100kR1208100kR120462kR126462kR1262300R1263UNF!100kR12071k
42、R12021kR12011kR1261100kR1203QJP001- 032101CN1713213.3pC11073.3pC1108470pC1101470pC1102470pC12013.3pC1264470pC1202470pC12613.3pC1208100/10C1205100/10C1206100/10C1263PW601PW602220/10C1105220/10C11064.7/50C1262N4.7/50C1203N3.3pC120733kR120968R1352UNFKTC3200/GLQ1131QJK012- 051903CN15112345KTC3200/GLQ117
43、182kR1172100kR1171QSK0109- 001RY302QNB0188- 001ST3010.22R1226FMR!0.22R1225FMR!0.22R1265FMR!0.22R1126FMR!0.22R1125FMR!QSK0109- 001RY3041SS119D13531SS119D1354470R1121UNF!470R1122UNF!470R1221UNF!470R1222UNF!1SS119D11291SS119D113018kR112918kR113047kR113147kR11321kR12661kR12271kR1228KTC3200/GLQ1261KTC320
44、0/GLQ1231KTC3200/GLQ123247kR126847kR123147kR123218kR126718kR122918kR12301SS119D12301SS119D12291SS119D126110kR117810kR117910/25C1171KTA1268/GLQ1172KTC3199/GLQ11731SS119D117147/16C1172100kR1177100kR1176220pC13773.9R1372UNF3.9R1373UNF220pC1363KTC3200/GLQ11324.7/50C1103N0.047C1361220pC136468R1353UNF68R1
45、354UNF0.047C13623.9R1374UNF220pC1366220pC1373220pC13740.047C13700.047C13690.047C1365220pC1376220pC1375220pC1372220pC1371220pC1368220pC1367220pC13592.2R1235UNF!2.2R1135UNF!2.2R1137UNF!100R1133UNF!2.2R1134UNF!2.2R1237UNF!100R1233UNF!2.2R1234UNF!220pC1360100KR118610KR118510/100C11852.2R1136UNF!2.2R1236
46、UNF!3.9R1370UNF4.7/50C1104N3.9R1371UNF12345612345750R1206UNF!750R1205UNF!68R1191UNF5.6kR1192UNF47/50C1191220pC1378UF304G- F82D1101!MTZJ36CD1141KTA1046/Y/Q1175QUM215- 16DGZ4FW14112345UF304G- F82D1103!UF304G- F82D1102!UF304G- F82D1104!UF304G- F82D1105!UF304G- F82D1107!UF304G- F82D1106!UF304G- F82D1108
47、!0.1/160C11150.1/160C11160.1/160C11170.1/160C11190.1/160C11200.1/160C1118EP101GND4.7/50C1204NC12680.022+VH- VH+VL- VL+VH+VH+VL+VL+COMPARATOR- COMPARATOR- COMPARATOR+COMPARATOR- VL- VL- VH- VHSUB GNDSUB GNDRch +OUTRch - OUTLch - OUTLch +OUT- PRE- PRE+PRE+PRERch INRch NFBIASBIASLch NFLch INSRch +OUTSR
48、ch - OUTSLch - OUTSLch +OUTSRch INSRch NFSLch NFSLch INCch INCch NFCch +OUTCch - OUTLVA10471- 2LHP_R*(1/4W)CENTERSURR RSURR LGNDS1*S2S2(2W)S1GNDGND(1W)(1W)(1/4W)(1/4W)(1/4W)(1W)(1W)(1/4W)(5W)(5W)(5W)(5W)(5W)(2W)(2W)(2W)(2W)CchSLchSRchSPEAKERTERMINALGND(1/4W)To CN203(LVA10472- 1)(1/4W)To CN471(LVA104
49、64- 1)(1/4W)GNDRLVA10471- 1(1/4W)CSLSR+B2FRONT_ATo CN472(LVA10464- 1)To CN473(LVA10464- 1)To CN241(LVA10472- 1)(1/4W)(1/4W)(1/4W)(1/4W)GND(1/4W)(1/4W)SURRCENTERHP_L(1/4W)(1/4W)(1/4W)0V0V0V0V0V0V24.5V0V24.5V24.5V2.3V0VPROTECTOR_INFL- B*To CN251(LVA10472- 1)57.1V27.5V0V- 27.4V- 56.9V57.1V57.1V13.0V27.
50、5V- 12.7V- 27.4V- 56.9V0V0V0V0V0V0V0V0V0V- 55.5V- 56.4V(1/4W)(1/4W)(1/4W)(1/4W)57.1V27.5V13.0V- 12.7V- 27.4V- 56.9V0V0V0V0V0V0V0V0V0V0V0V0V0V- 56.4V57.1V- 55.4V(1/4W)(1/4W)(1/4W)(1/4W)(1/4W)(1/4W)(1/4W)(1/4W)(1/4W)- 58.0V- 57.5V4.9V0V0V0V0V- 55.5V0V0V0V0V*C1366*C1367*C1368*NONE*B1005*B1006B1007B1008
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