Arcam-P7-pwr-sch(1)维修电路原理图.pdf
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1、ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL924C1_1.1.schP7 Amplifier ModuleContact Engineer:L924CT7-Mar-2002 INITIALSPrinted:13SheetofNotes:Contact Tel:(01223) 203200Jonny RecklessA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeachEMC1NFSK103PHONO2GC1041N0 SM0V
2、_SIG0V_LSTHERMPROTVIPROTDCPROTRLY101ARLY G2R-1E-24DC 16A SPDTRLY101BRLY G2R-1E-24DC 16A SPDT+24V_DIGMUTEOUT RLY12345678910SK10410WAY-H-0.1-FFAULTD101BAS16W SMC103100N SML1012U2 AIR COREDR1032R2 MFR104100R SM0V_DIG+24V_DIGOUT RLYINPUTNFBOUTPUTEMITTER1EMITTER2BASE1BASE2L924C2L924C2_1.1.schVIPROTDCEMIT
3、TER1EMITTER2OUTPUTBASE1BASE2THERMFAULTL924C3L924C3_1.1.schVIPROTDCPROTFAULTSP101STAR_80V_PSU0V_LS0V_ZOB0V_SIG0V_HFTHERMPROTSK1054MM 2W HORTP100TP101TP112TP111TP103TP102TP104TP105TP106TP107TP108TP109TP11012PL1002WVERTJUMPERNB: Nets +24V_DIG and 0V_DIG are isolated from amplifier circuitZ100L924PBPCBH
4、EATSINKINSULATORM3 TAPTITEM3 TAPTITEM3 TAPTITEM3 TAPTITESUB PANELSCREWSCREWSCREWSUB PANELSUB PANELSUB PANELZ102E915HKZ107HB3B12AZ108HB3B12AZ109HB3B12AZ110HB3B12AZ101E107AYZ103HF4V09BZ104HF4V09BZ105HF4V09BZ106E950MC02_E055JR4/3/2002FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK1.1Electrical ground s
5、tar pointInputsAmplifier circuitProtection and suppliesTo microprocessor PCBNB: Feedback around relay not fittedMicroprocessor GNDMicroprocessor +24VMUTE not usedOutput relay controlNot usedThermal protectionSOA protectionDC offset protectionOverall fault signal NB: Signals THERMPROT, VIPROT, DCPROT
6、 and FAULT are open collector outputs, active low, referenced to 0V_DIG with no pull up resistorsNot usedTRANSISTORRadioFans.CN 收音机爱 好者资料库Downloaded from http:/receiverfaq.ru/ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL924C2_1.1.schP7 Amplifier ModuleContact Engineer:L924C
7、T7-Mar-2002 INITIALSPrinted:23SheetofNotes:Contact Tel:(01223) 203200Jonny RecklessA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeachR2231K0 SMTR200FMMT597TR201FMMT597R21447R SMR21647R SMTR205FMMT497TR207FMMT497R21747R SMR21847R SMC212470N PE0V_SIGINPUT0V_HF0V_HFDZ20015V 350MW SMDZ20115V
8、 350MW SMC201100N SMC200100N SMC202100N SM0V_SIG0V_SIGD2051N4003FD2041N4003FR22822K SMRV200100R PSET12PL200BIASR2251K0 SMR2271K0 SMTrim output stage IqD201BAS16W SMR21127K SMR21327K SMTR210SAP15NTR215SAP15PDZ2024V7 350MW SMDZ2034V7 350MW SMR2314K7 SM0V_SIGTR204FMMT497TR203FMMT597+C203100U EL+C204100
9、U ELR247150R SMR249150R SMR2401M0 SMR2213K3 SMR2223K3 SMC210470P PPW+C21510U EL+C213100U EL 100V+C214100U EL 100VTR211SAP15NTR216SAP15PR250150R SMR248150R SMTR212FMMT497R2571K SMR2556K8 SMR2411K CF 2WR2421K CF 2W32184IC200ATL072CD567IC200BTL072CDNFBR22922R MFR23022R MFR21227K SMR21027K SM0V_HFC21747
10、P/200VC21847P/200VC22047P/200VC22147P/200VC205100P/250VC207100P/250VC209100N X7R 1812 500VC208100N X7R 1812 500VD203BAV99WR219220R MFR220220R MFR232560R MFR234680R MFR233560R MFR235680R MFR236R237R238R239+C21610U ELD200BAS16W SMD202BAS16W SMR2241K0 SMR2261K0 SMOUTPUT+55V-55V+C22510U ELEMITTER1EMITTE
11、R2BASE1BASE2R24522R SMR24622R SMR207100R SMR208100R SMTR208FMMT497TR213FMMT5970V_ZOBR2544R7 W2 CFC22347N PETR214TR PNP 2SA1740TR209TR NPN 2SC4548TR202TR PNP 2SA1740TR206TR NPN 2SC4548TP200TP201TP202TP204TP205TP203R236 THRU R239 NOT FITTED02_E055JR4/3/2002FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBA
12、CK1.1NFNFNFNFInput FilterV to I converterIntegrating DC servoPNP current mirrorNPN current mirrorPre driverPre driverBootstrapOutput stageOutput stagePre driver biasMeasure IqRadioFans.CN 收音机爱 好者资料库ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL924C3_1.1.schP7 Amplifier Modul
13、eContact Engineer:L924CT7-Mar-2002 INITIALSPrinted:33SheetofNotes:Contact Tel:(01223) 203200Jonny RecklessA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeachR338330R SMR339330R SMR300100R SMR301100R SMTR309FMMT497TR305FMMT597TR311FMMT497VIPROTDCR33222K SMR32122K SMR302100R SMR310100R SMR3
14、11100R SMTR302FMMT597TR310FMMT497R32022K SMR31622K SMD30822V 350MW SMD30922V 350MW SMR34110K SMR34010K SM0V_DIGR3371K SMIC300AOPTO-PC3Q66-QUAD-SMIC300BOPTO-PC3Q66-QUAD-SMD307BAS16W SMD300BAS16W SMC300100N SMTR313FMMT497TR312FMMT497R314100R SMR315100R SMR33322K SMD303BAS16W SM0V_HF0V_HFC321100U NPR33
15、44K7 SM0V_DIGEMITTER1EMITTER2OUTPUT+55V-55VBASE1BASE2R33522R SMR33622R SM+12-43BR300BRGBU8D0V_PSU+55V+12-43BR301BRGBU8D12SK300MOLEXPWR2WAY_R/A12SK301MOLEXPWR2WAY_R/A-55V+C323C AM 71V 10000U +C322C AM 71V 10000U R343100K SMIC300DOPTO-PC3Q66-QUAD-SM0V_DIGR342120K SMTH300PTH 110DEG SM0V_HFTHERMIC300COP
16、TO-PC3Q66-QUAD-SMFAULTC305100N SMC306100N SMC320100U NP+C318100U EL+C319100U ELTP300TP302TP303TP304TP305TP306TP307R30739K SMR304270R SMR30510K SMR30322K SMTR301FMMT597TR300FMMT497R30610K SMD30115V 350MW SM+C301100U EL02_E055JR4/3/2002FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK1.1Instant SOA limi
17、tingInstant SOA limitingDC offset detectionOver temperature sensingPower suppliesAC from transformerAC from transformerISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL925CT0_1.2.SchP7 Amp ControllerContact Engineer:L925CT18-Apr-2002INITIALSPrinted:14SheetofNotes:Contact Tel:(0
18、1223) 203252Kevin LambA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeach23425Control PCBL925CT1_1.2.SCHInterface PCBL925CT2_1.2.SCHMain Switch and LED DisplayL925CT3_1.2.sch1.07/02/02KAL02_E041PRODUCTION ISSUE PCB CHANGES ONLY1.17/03/02KAL02_E054CHANGED C121 VALUE. REMOVED SOFT START PRO
19、TECTION1.220/03/02KAL02_E061CHANGED R200 VALUE. CORRECTED SK301 & SK302 TO 8K2402JP100 ADDED ON SK112 PIS 1 & 2 , F102 PART CORRECTED TO 315mAISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL925CT1_1.2.schP7 Amp ControllerContact Engineer:L925CT18-Apr-2002INITIALSPrinted:24Shee
20、tofNotes:Contact Tel:(01223) 203252Kevin LambA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeach23425F100T315MA123456SK103MOLEXPWR612345678910111213141516SK111FFC16V123456SK105MOLEXPWR6123456SK104MOLEXPWR6123456SK106MOLEXPWR6230V230V115V115VPOWER TO MAIN TRANSFORMERS230V115VPOWER TO AUX T
21、RANSFORMER1234SK107MOLEXPWR4D1071N4003D1081N4003D1031N4003D1041N4003VinIGNDGVoutOREG1007805C103100N PEGND1+22VD+5VDDATAS0S1S2DATAS0S1S2DATAS0S1S2SEL_RELAY*RED1RED2RED3RED4RED5RED6RED7GRN1GRN2GRN3GRN4GRN5GRN6GRN7GND1RED1RED2RED3RED4RED5RED6RED7GRN1GRN2GRN3GRN4GRN5GRN6GRN7SEL_RED*SEL_GRN*SEL_RELAY*FAU
22、LT1*TR108BC547BTR111BC547BD1151N4148D1191N4148MSOFT_ST*MPOWERGND112SK110IDC2S12SK109IDC2SR1314K7 MFGND1+5VDTX_OVTEMPR1364K7 MFMAINS_SWTRIG/RC5THERMAL TRIPSFROM POWERTRANSFORMERSC105100N PEX100CST4.00R137100K MFGND1+C11510U ELGND1+5VDMAINS_SWRELAY1RELAY2RELAY3D13Q04Q15S01Q26S12Q37S23Q49Q510G14Q611CLR
23、15Q712IC101AIC 74HC259RELAY4D13Q04Q15S01Q26S12Q37S23Q49Q510G14Q611CLR15Q712IC102AIC 74HC259RELAY5RELAY6D13Q04Q15S01Q26S12Q37S23Q49Q510G14Q611CLR15Q712IC103AIC 74HC259RELAY7VDD16GND8IC101BIC 74HC259VDD16GND8IC102BIC 74HC259VDD16GND8IC103BIC 74HC259C117100N CDGND1+5VDC118100N CDGND1+5VDC119100N CDGND1
24、+5VDRESET*MSOFT_ST*MPOWER12SK108IDC2S+C107220U EL 50VPWM_OUT+5VDGND1C106100N PERESET*FAULT2*FAULT3*FAULT4*FAULT5*FAULT6*FAULT7*DATAS0S1S2SEL_RED*SEL_GRN*MAINS_SWS0S1GND1PWM_OUTTREFTTEMP23467815SK100TR101BC547BD1091N4148R10910K MF+C10910U EL+5VDGND1PWROK*PWROK*R1324K7 MFR1202K2 MFR1212K2 MFTR116BD180
25、 PNP TO-126TR103BC547BR11910K MFR10810K MF+22VD+22VD_SWFLT_VI*FLT_DC*FLT_TEMP*FLT_VI*FLT_DC*FLT_TEMP*R1354K7 MFR1344K7 MFR1334K7 MF+5VDC_DISCHGND1321IC104ALM393A567IC104BLM393A84IC104CLM393AC120100N CDR10622K MFR10722K MFR10547K MF+C11110U EL+C11647U EL 35V+C11010U ELR114100K MFWATCHDOGWATCHDOGGND1G
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