Arcam-DivaP75-pwr-sm(1)维修电路原理图.pdf

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1、A65/75DiVA A65, A75 & P75 PlusAmpli ers Service Manual ARCAMIssue 1.0RadioFans.CN 收音机爱 好者资料库Contents List Contents list Circuit description Service guide Circuit diagrams Component overlays Circuit board parts list General assembly parts list RadioFans.CN 收音机爱 好者资料库A65, A75 & P75 Service Guide Fault

2、 diagnostics Fault Action No power Check mains fuse Check transformer connections Check power supply rails Stuck in protection Check power supply rails Check protection circuit voltages Check for dry joints on o/p devices Intermittent audio on one channel Check for dry joints around o/p devices Fail

3、s to respond to commands Check supply to remote circuit Check IC Z900 Check remote flex foil cable Check for dry joints on selector pcb Volume control rubs on front panel Pull knob out from fascia Audio crackles on o/p Check for component break down using hot air gun & freezer spray Check transforme

4、r connections Power supply test points Position Voltage LK125 +37 volts DC LK126 -37 volts DC LK271 or black speaker terminal 0 volts LK303 +15 volts DC LK301 - 15 volts DC Q300 emitter +38 volts DC Q304 emitter +38 volts DC Q302 emitter -38 volts DC Q305 emitter -38 volts DC D910 emitter +5 volts D

5、C remote supply IQ settings Model IQ setting Comments - (22/01/02) A65 37mV A75 37mV P75 37mV A85 12mV Set for 8.5mV cold, reset for 12mV when warm P85 12mV Set for 8.5mV cold, reset for 12mV when warm A65 plus 12 to 15mV A75 plus 12 to 15mV P75 plus 12 to 15mV Hints & tips To isolate a fault betwee

6、n pre and power stage remove C602 (left channel) or C702 (right channel). Always check and re-solder o/p device SAP15N and SAP15P pin connections. Replace Z900 IC if software version is below version 3 ( note version 82 is also ok ). Make sure R127 is not touching LK130. When replacing the top cover

7、 with a new top it may be necessary to re-drill the fixing holes. ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL942C1_1.0.PRJA65 PLUS AMPContact Engineer:L942C111-Dec-2001INITIALSPrinted:17SheetofNotes:Contact Tel:(01223) 203 200Travis PierceA & R Cambridge Ltd.Pembroke Aven

8、ueCambridge CB5 9PBWaterbeachPWRLEFTPROTECTIONA1SP2_SEND_LSP2_RETN_LOP_LA1LEFT CHANNELL942C5_1.0.SCHACLT1MUTEAVCONTROLTAPECONTROLMUX1MUX2MUX3PREMUTEPROT SENSEREMOTE CONTROLL942C7_1.0.SCHSELOPRSELOPLMUX1MUX2MUX3TAPECONTROLACSENSEPROT_OP_LPROT_OP_RPROTECTIONMUTEHPSW2HPSW1TAPOLTAPORPROT SENSEPHONO & IN

9、PUTSL942C3_1.0.SCHACSENSEACLT1POWER SUPPLYL942C2_1.0.SCHPWRRIGHTA1SP2_RETN_ROP_RSP2_SEND_RA1RIGHT CHANNELL942C6_1.0.SCHPWRLEFTPWRRIGHTSELOPRSELOPLHPSW2AVCONTROLHPSW1SP2_SEND_LSP2_RETN_LOP_LOP_RSP2_SEND_RSP2_RETN_RPREMUTETAPORTAPOLPROT_OP_RPROT_OP_LTONE CONTROLL942C4_1.0.SCHTGP12/12/01PRODUCTION RELE

10、ASE1.0USE exlude A65 FILTER FOR BOM01_E020TOP SHEET FOR A65 L942AYISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL942C5_1.0.SCHA65 PLUS AMPContact Engineer:L942C511-Dec-2001INITIALSPrinted:57SheetofNotes:Contact Tel:(01223) 203 200Travis PierceA & R Cambridge Ltd.Pembroke Aven

11、ueCambridge CB5 9PBWaterbeachQ600BC556BQ601BC556BQ6042SA970GRQ606BC546BQ607BC546BR617680R MFR61910K MFR61810K MFR61347R MFR61447R MFR612100K MFR6001K0 MFPWRLEFTQ6112SC2240GRQ6102SC2240GRR62010K MFQ6032SA970GRQ608BC546BQ609BC546B+C601100U EL 100V+C600100U EL 100V0V_HF+C61610U ELL6002U2H LAC SMALLR631

12、2R2 CFR6304R7 W2 CFD6031N4003F+37V-37VC621470P CDRLY1ARLY G5Z-2A-EC620470P CDC6221N0 CDSPLD600SPLS600PD6OP_LSP2_SEND_LSP2_RETN_LR6162K7 MFR611100K MFC603100P PPW0V_SIG0V_HF0V_SIG0V_HFQ6122SC2240GRR627430R MFR606100R MFR605100R MFR6256K8 MFR62210K MFR621680R MFR62947K MF+C61710U ELQ605BC556BA1PROTECT

13、IOND6041N4003FR628430R MFR6266K8 MF+C61810U ELR608100R MFR607100R MFA1D6051N4148D6061N41480V_LS_L0V_LS_LQ602BC556BR61547R MFR601100R MFR602100R MFR603100R MFR604100R MFSPLE600Left Channel Power AmplifierQ614SAP15NQ615SAP15PD6004V7 400MWISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF

14、CHANGEL942C7_1.0.SCHA65 PLUS AMPContact Engineer:L942C711-Dec-2001INITIALSPrinted:77SheetofNotes:Contact Tel:(01223) 203 200Travis PierceA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeachWARNING SAFETY CRITICAL COMPONENTREPLACE WITH IDENTICAL PARTuC, Volume Drive & Remote ControlC91210N

15、CDC90010N CDR9001R0 FUD9061N4003FD9071N4003F+C9201M0 25VC91310N CDMOTE900P900+5vVOLUME DRIVEMOTOR DRIVER+5VGND1MD12CC13REF4MC15MC26VCC17VCC28CC29MD210Z905BA610912VOLMOT9001Y271ACLT1MUTEMUX1MUX2MUX3AVCONTROLTAPECONTROLR915220R MFA01A12A23VSS4SDA5SCL6WP7VDD8Z90624C01C917100N CDX900CST4.00C918100N CD+C

16、914220U EL+5v+5v+5vC919100N CD123SW900A2PCO_NON_LAT456SW900B2PCO_NON_LATR912100K MF+ C92110U ELD9101N4148R91310K MF+5v+5VR9144K7 MF0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIG0V_DIGVDD16GND8Z907B74HC4051R90410R MF+C915100U ELPREMUTE0V_DIG+5VMOTSUP900VOLM901VOLM900REMO900C

17、916100N CD123LK9033WAY CABLE HOLDERD9111N414812345678910SK900FFC10VR902100R MFR903100R MFISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL942C3_1.0.SCHA65 PLUS AMPContact Engineer:L942C311-Dec-2001INITIALSPrinted:37SheetofNotes:Contact Tel:(01223) 203 200Travis PierceA & R Camb

18、ridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeach321Z100ANE5532C119100P PPR10047K MFR108470R MFC12447P CD+C12522U ELR110680K MFR11256K MFC1274N7 PPC1291N3 PPC120100P PPR10147K MFR109470R MFC12347P CD+C12622U ELR111680K MFR11356K MFC1284N7 PPC1301N3 PP567Z100BNE5532-15V+15VCDTUNERVCRAV/DVDTAPE INT

19、APE OUTEMC1NFSK100APHONO4GBOT56TOP4NFSK100BPHONO4GEMC1NFSK103APHONO4GNFSK103BPHONO4GEMC1NFSK102APHONO4GNFSK102BPHONO4GEMC1NFSK101APHONO4G84Z100CNE5532Phono Stage & Input SelectionD1041N4148D1061N4148D1051N4148D1071N4148D1081N4148D1121N4148D1131N4148D1091N4148D1141N4148D1101N4148D1151N4148D1111N4148D

20、1241N4148D1201N4148D1211N4148D1251N4148D1221N4148D1261N4148D1231N4148D1271N4148D1011N4148D1031N4148D1001N4148D1021N4148R1181K0 MFR1191K0 MFR1221K0 MFR1231K0 MFR1241K0 MFR1251K0 MFR1261K0 MFR1271K0 MFR1281K0 MFR1211K0 MFR130100K MFR131100K MFR133100K MFR134100K MFR135100K MFR136100K MFR137100K MFR142

21、100K MFR143100K MFR144100K MF+15v+15v+15v+15v+15v+15v+15v+15v+15v+15v+15v+15v-15v-15v-15v-15v-15v-15v-15v-15v-15v-15v-15v-15vVCROLVCRORTUNOLTUNORCDOLCDORDVDOLDVDORTAPEOLTAPEORAUXOLVCROLTUNOLCDOLDVDOLAUXORVCRORTUNORCDORDVDORTAPECONTROLMUX1MUX2MUX3MUX1MUX2MUX3+5v+5v+15v+15v+15v-15v-15v-15vTAPECONTROLR

22、1201K0 MFR1171K0 MFR129100K MFR132100K MFAUXOLAUXORTAPEOLTAPEORC134470P PPWC144470P PPWC143470P PPWC142470P PPWC141470P PPWC140470P PPWC139470P PPWC138470P PPWC137470P PPWC135470P PPWC136470P PPWC133470P PPW+5vR15447R MFR15547R MFC122100P PPC121100P PPD1161N4148D1181N4148D1171N4148D1191N4148-15v-15v

23、+15v+15v+15v+15v+15v-15v-15v-15v567Z104BTL072321Z104ATL07284Z104CTL072SELOPLSELOPRR140100K MFR141100K MFMUX3MUX2MUX1TAPECONTROL+15V-15VRLY1CRLY G5Z-2A-EPWR1IN12IN230V4V-5O6FB7RC8V+9Z101TA7317PR10547K MFR10347K MFR10247K MFR10447K MF+C1481U0 ELR149100K MFD1281N4003FR10647K MFQ1002SC2240GRR1531K0 1W C

24、FD1301N4003FR14510K MFR150100K MF+C149100U EL+37VR15118K MF-37VR15233K MFR10747K MFD1291N4003FR1472K7 1W CF+37VR1462K7 1W CFRGLED100LED RED/GRN 3MMD1315V6 400MW132LK100L856CAR148470R FUACSENSEPROT_OP_LHPSW1MUTEPROT_OP_RC112100N CDC113100N CDC109100N CDC114100N CDC110100N CDC118100N CDC107100N CDC108

25、100N CDC101100N CDC102100N CD+C14510U EL+C14610U ELC115100N CDC116100N CDR139100K MFR138100K MFPROTECTION0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_SIG0V_

26、SIG0V_SIG0V_SIG0V_SIG0V_HF0V_HF0V_HF0V_HF0V_HF0V_HF0V_SIG0V_SIGR1148K2 MFR1158K2 MFR11618K MF+C1501U0 ELHPSW2TAPECONTROLMUX1MUX2MUX3C147100U NPCDLCDRTUNLTUNRVCRLVCRRDVDLTAPLTAPRTAPOLTAPORTAPOLTAPORPHINLPHINRDVDR123LK100A3WAY CABLE HOLDER+C151100U SILMIC 2+C152100U SILMIC 2R157100K MFR1561K5 MFC15310

27、N CDTH100PTH90DEGD1321N4148PROT SENSE12LK10110MM LINK12LK10210MM LINK12LK10410MM LINK12LK10310MM LINKThermAC DetProtRC+15v-15vD1345V6 400MWC117470P CD0V_HF+C13122U EL+C13222U ELX04X15X26X37X412X511X610X79EN2A01A116A215V-3D8GND14V+13Z102DG408DJX04X15X26X37X412X511X610X79EN2A01A116A215V-3D8GND14V+13Z1

28、03DG408DJSEL11S214D12V+13S13S311V-4GND5VL12S46D310D47SEL39D215SEL48 SEL2 16Z105DG413DJTGP12/12/01PRODUCTION RELEASE1.001_E020C154100N PE 100VUSE exlude A65 FILTER FOR BOMISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL942C2_1.0.SCHA65 PLUS AMPContact Engineer:L942C211-Dec-2001

29、INITIALSPrinted:27SheetofNotes:Contact Tel:(01223) 203 200Travis PierceA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeachLNENELSK300IEC3FS300AS1A25+C30810M EL 50V+C30910M EL 50V+300-300+15V-15V+37V-37VSW300BA1007SW300AA1007SELECT VOLTAGEBY FITTING FS201OR FS202MAINS INPUTMAINS SWITCHFIT

30、ONLY ONE FUSEChassis Earth Point,Use correct screw and washer.R300100R MFT300T301PD300TOOLINGFS301AS2A5_115VBlue1Dark Grey2Orange3SK301CAGECLAMP3Green1SK302CAGECLAMP1Grey1Grey2SK303CAGECLAMP2Orange1Blue2Orange3SK304CAGECLAMP3AGREEN300OR300OR301BLUE301BLUE300POWER SUPPLYACSENSEACLT1C3013N3 MAINSC3003

31、N3 MAINSC3023N3 MAINS0V_DIG0V_HFPSUP300NSUP300MAINS_N300MAINS_E300MAINS_L300WARNING SAFETY CRITICAL COMPONENTREPLACE WITH IDENTICAL PARTPD301TOOLINGPD302TOOLINGPD304TOOLINGPD305TOOLINGY300TX WIRE CLIPPD311TARGET1PD312TARGET1Y301TX WIRE CLIPPD306TOOLINGPD307TOOLINGC3031N0 CDPhoto StripPS300PHOTO_STRI

32、PSpare Fuse ClipEL300FUSE CLIPPD303TOOLINGPD308TOOLINGPD309TOOLINGPD310TOOLINGPaper MarkerA1 HorizontalDD302DD_A1HCEM1, 2 OZ CuPCB MATERIALDD300CEM1_20Z0V_DIGPCBPCB1L940PB_A+12-43BR300BRGBU8DQ300BC546BQ302BC556BD3031N4003FD3001N4003FD3011N4003FD3021N4003F+C310100U EL 100V+C311100U EL 100VD304ZENER 5

33、00MW 39VD305ZENER 500MW 39V+ C312220U EL 50V+ C313220U EL 50V+C30447U EL 100V+C30547U EL 100VR3014K7 MFR3024K7 MF+38V_R-38V_RQ304BC546BQ305BC556B+38V_L-38V_LR31110R FUR31210R FUAC+38V_R+37V_L-37V_R-37V_LLK1LINK10NPLK6LINK10NPLK11LINK10NPLK16LINK10NPLK21LINK10NPLK26LINK10NPLK31LINK10NPLK36LINK10NPLK4

34、1LINK10NPLK46LINK10NPLK51LINK10NPLK56LINK10NPLK61LINK10NPLK66LINK10NPLK71LINK10NPLK96LINK10NPLK76LINK10NPLK81LINK10NPLK86LINK10NPLK91LINK10NPLK2LINK10NPLK7LINK10NPLK12LINK10NPLK17LINK10NPLK22LINK10NPLK27LINK10NPLK32LINK10NPLK37LINK10NPLK42LINK10NPLK47LINK10NPLK52LINK10NPLK57LINK10NPLK62LINK10NPLK67L

35、INK10NPLK72LINK10NPLK97LINK10NPLK77LINK10NPLK82LINK10NPLK87LINK15NPLK92LINK10NPLK3LINK10NPLK8LINK10NPLK13LINK10NPLK18LINK10NPLK23LINK10NPLK33LINK10NPLK38LINK10NPLK43LINK10NPLK48LINK10NPLK53LINK10NPLK58LINK10NPLK63LINK10NPLK68LINK10NPLK73LINK10NPLK98LINK10NPLK78LINK10NPLK83LINK10NPLK88LINK10NPLK93LIN

36、K10NPLK4LINK10NPLK9LINK10NPLK14LINK10NPLK19LINK10NPLK24LINK10NPLK29LINK10NPLK34LINK10NPLK39LINK10NPLK44LINK10NPLK49LINK10NPLK54LINK10NPLK59LINK10NPLK64LINK10NPLK69LINK10NPLK74LINK10NPLK99LINK10NPLK79LINK10NPLK84LINK10NPLK89LINK10NPLK94LINK10NPLK5LINK10NPLK10LINK10NPLK15LINK10NPLK20LINK10NPLK25LINK10

37、NPLK30LINK10NPLK35LINK10NPLK40LINK10NPLK45LINK10NPLK50LINK10NPLK55LINK10NPLK60LINK10NPLK65LINK10NPLK70LINK10NPLK75LINK10NPLK80LINK10NPLK85LINK10NPLK90LINK10NPLK95LINK10NPLK106LINK10NPLK111LINK10NPLK116LINK10NPLK121LINK10NPLK131LINK10NPLK136LINK10NPLK141LINK10NPLK151LINK10NPLK156LINK10NPLK161LINK10NP

38、LK166LINK10NPLK196LINK10NPLK181LINK10NPLK186LINK10NPLK191LINK10NPLK107LINK10NPLK112LINK10NPLK117LINK10NPLK122LINK10NPLK127LINK10NPLK132LINK10NPLK137LINK10NPLK142LINK10NPLK152LINK10NPLK157LINK10NPLK162LINK10NPLK167LINK10NPLK197LINK10NPLK182LINK10NPLK187LINK10NPLK192LINK10NPLK108LINK10NPLK113LINK10NPL

39、K118LINK10NPLK123LINK10NPLK128LINK10NPLK133LINK10NPLK138LINK10NPLK143LINK10NPLK148LINK10NPLK153LINK10NPLK158LINK10NPLK163LINK10NPLK198LINK10NPLK178LINK10NPLK183LINK10NPLK188LINK10NPLK193LINK10NPLK109LINK10NPLK114LINK10NPLK119LINK10NPLK124LINK10NPLK129LINK10NPLK134LINK10NPLK139LINK10NPLK149LINK10NPLK

40、154LINK10NPLK159LINK10NPLK164LINK10NPLK199LINK10NPLK179LINK10NPLK189LINK10NPLK194LINK10NPLK105LINK10NPLK110LINK10NPLK115LINK10NPLK120LINK10NPLK130LINK10NPLK135LINK10NPLK140LINK10NPLK145LINK10NPLK150LINK10NPLK155LINK10NPLK160LINK10NPLK165LINK10NPLK180LINK10NPLK185LINK10NPLK190LINK10NPLK195LINK10NPLK2

41、01LINK10NPLK202LINK10NPLK203LINK10NPLK204LINK10NPLK205LINK10NPLK206LINK10NPLK207LINK10NPLK208LINK10NPLK209LINK10NPLK210LINK10NPLK211LINK10NPLK212LINK15NPLK213LINK15NPLK214LINK15NPLK215LINK15NPLK216LINK15NPLK217LINK15NPLK218LINK15NPLK219LINK15NPLK220LINK20NPLK221LINK20NPLK222LINK20NPLK223LINK20NPLK22

42、4LINK20NPLK225LINK20NPLK226LINK20NPLK227LINK20NPLK228LINK20NPLK229LINK20NPLK246LINK20NPLK247LINK20NPLK248LINK20NPLK249LINK20NPLK250LINK20NPLK251LINK20NPLK254LINK20NPLK230LINK15NPLK231LINK15NPLK232LINK15NPLK233LINK15NPLK234LINK15NPLK235LINK15NPLK236LINK15NPLK237LINK15NPLK238LINK15NPLK240LINK15NPLK241

43、LINK15NPLK242LINK15NPLK243LINK15NPLK244LINK15NPLK245LINK15NPLK265LINK15NPLK257LINK15NPLK256LINK15NPLK267LINK17.5NPLK270LINK17.5NPLK268LINK17.5NPLK271LINK15NPLK269LINK15NPLK272LINK17.5NPLK277LINK10NPLK278LINK10NPLK279LINK10NPLK280LINK10NPLK281LINK10NPLK252LINK10NPLK253LINK10NPLK255LINK10NPVinIGNDGVou

44、tOZ3007805VinIGNDGVoutOZ3017905ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL942C6_1.0.SCHA65 PLUS AMPContact Engineer:L942C611-Dec-2001INITIALSPrinted:67SheetofNotes:Contact Tel:(01223) 203 200Travis PierceA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeachQ700BC

45、556BQ701BC556BQ7042SA970GRQ706BC546BQ707BC546BR717680R MFR71910K MFR71810K MFR71347R MFR71447R MFR712100K MFR7001K0 MFQ7112SC2240GRQ7102SC2240GRR72010K MFQ7032SA970GRQ708BC546BQ709BC546B+C701100U EL 100V+C700100U EL 100V0V_HF+C71610U ELR7312R2 CFR7304R7 W2 CFD7031N4003F+37V-37VC721470P CDRLY1BRLY G5

46、Z-2A-EC720470P CDC7221N0 CDSPLD700SPLS700PD6OP_RSP2_RETN_RR7162K7 MFR711100K MFC703100P PPW0V_SIG0V_HF0V_SIG0V_HFQ7122SC2240GRR727430R MFR706100R MFR705100R MFR7256K8 MF+C71710U ELA1D7041N4003FR728430R MFR7266K8 MF+C71810U ELR708100R MFR707100R MFA1D7051N4148D7061N41480V_LS_R0V_LS_RQ702BC556BR71547R

47、 MFR701100R MFR702100R MFR703100R MFR704100R MFSPLE700Q714SAP15NQ715SAP15PD7004V7 400MW0V_HF0V_HF0V_HF0V_HFQ7162SA970GRD701ZENER 400MW 27VD702ZENER 400MW 27VR710100R MFR709100R MFR72310K MFQ713BC546BR72410K MFC708100P PPWC707 100P PPWQ719BC546BQ718BC546BR73312K MFR73212K MF+C70222U SILMIC 2+C705100U

48、 SILMIC 2+38V_R-38V_RC704100P PPWSP2_SEND_RPWRRIGHT0V_LS_RBias-R +Bias-R -21mm x 32mmSELF ADHESIVEE852MCQ2 PADSP700Q2-PAD-SAP21mm x 32mmSELF ADHESIVEE852MCQ2 PADSP701Q2-PAD-SAPRight Channel Power AmplifierQ717ZTX653L7002U2H LAC SMALL+C724100U 25V ZA ELR721470K MF+C72510U ELSET BIAS TO 12mVTGP12/12/0

49、1PRODUCTION RELEASE1.001_E020C723100N PE 100VC710100N PE 100VC713100N PE 100VC711100N PE 100VC712100N PE 100VC714100N PE 100VC715100N PE 100VC719100N PE 100V+C706100U 50V YXF LOW Z+C709100U 50V YXF LOW Z Top+ Top-SK700ASPKSKT_G Bot+ Bot-SK700BSPKSKT_G CHASSSK700CSPKSKT_GRV700220R PSETUSE exlude A65

50、FILTER FOR BOMISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL942C4_1.0.SCHA65 PLUS AMPContact Engineer:L942C411-Dec-2001INITIALSPrinted:47SheetofNotes:Contact Tel:(01223) 203 200Travis PierceA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9PBWaterbeachR2034K7 MFR2064K7 MFR21