Denon-AVR550SD-avr-sm维修电路原理图.pdf

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1、SERVICE MANUALAV SURROUND RECEIVERMODELAVR-550SDTOKYO , JAPANS-1147V.01 DE/CDM 0407Some illustrations using in this service manual areslightly different from the actual set.Please use this service manual with referring to theoperating instructions without fail.For purposes of improvement, specificat

2、ions anddesign are subject to change without notice.本文中使用、説明都合上現物多少異場合。修理際、必取扱説明書参照上、作業行。前、必読。本機、火災、感電、対安全性確保、配慮、法的電気用品安全法、所定許可得製造。従際、安全性維持、記載注意事項必守。本機仕様性能改良、予告変更。補修用性能部品保有期間、製造打切後8年。注意For Japan & Europe modelVer. 1RadioFans.CN 收音机爱 好者资料库2AVR-550SDSAFETY PRECAUTIONSThe following check should be perf

3、ormed for the continued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance

4、 from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.(1)(2)500V1M(1)(2)RadioFans.CN 收音机爱 好者资料库3AVR-550SDLEVEL DIAGRAM4AVR-550SD5AVR-550SDBLOCK DIAGRAM6AVR-550SDSEMICONDUCTORSOnly major semiconductors are shown, general semiconductors etc. are omitted to list.主半

5、導体記載。汎用半導体記載省略。 1. ICsNote: Abbreviation ahead of IC No. indicates the name of P.W.B., etc.注 ):IC No. 前記号、基板名称表。 MAIN: AUDIO DIGITAL P.W.B.FRONT: FRONT P.W.B.SMPS: SMPS P.W.B.VIDEO: VIDEO P.W.B.I/O: INPUT/OUT PUT P.W.B.ICE1QS01 (SMPS:IC1)Pin AssignmenBlock Diagram12345678N.C.PCSRZISRCVCCOUTGNDOFCRZI

6、UVLOQQSETCLRSRReferenceVoltageandCurrentGNDOUTPowerDriverRingingSuppressionTime1V25mVOFCPCSSRCVCC1V2VBurst-Mode+-+-+-+-+-+-+-3.5V4.4V+-4.8V+-20VOvervoltageProtectionStartDigital Processing50s Timer50ms TimerZC-CounterUP/DO-CounterLatchPrimaryRegulation+-5VQQSETCLRDL1V+-FoldbackPoint Corr.1.5V+-5.7V5

7、V5V20k7AVR-550SDICE2B265 (SMPS:IC2)ICE2B0565 (SMPS:IC3)Pin AssignmenBlock Diagram16784325VCCFBIsenseDrainSoftSN.CGNDDrainThermalShutdownTj140CInternalBiasVoltageReferenceLeading EdgeBlanking200nsUndervoltageLockoutOscillatorDuty CyclemaxCurrent-LimitComparatorx3.65Soft-StartComparatorCurrent Limitin

8、gPWM OPImproved Current ModeSoft Start13.5V8.5V6.5VC2C116.5V4.0VRFB6.5VProtection UnitPower-DownResetPower-UpResetPower ManagementCSoft-Start21.5-100kHzCoolSET-F2SpikeBlanking5 sPWMComparatorRSQQError-LatchC45.3VC34.8VRSoft-StartGateDriverG3G2G1G4T1VcsthPropagation-DelayCompensationRSQQPWM-Latch0.72

9、ClockUFBfosc100kHz21.5kHzStandby UnitFBRSense0.8VC50.3V10kD15.6VCoolMOSIsenseGNDSoftSVCCDrain6.5V5.3V4.8V4.0V8AVR-550SDTAS5076 (MAIN: IC100)Pin AssignmentBlock Diagram22 23VREGB_CAPDVDD_RCLDVSS_RCLDVDD_PWMDVSS_PWMPWM_AP_4PWM_AM_4VALID_4PWM_BM_4PWM_BP_4PWM_AP_5PWM_AM_5VALID_5PWM_BM_5PWM_BP_5PWM_AP_6P

10、WM_AM_6VALID_6PWM_BM_6PWM_BP_66059585756555453525150494847464544434241241234567891011121314151617181920NCNCMCLK_INAVDD_PLLPLL_FLT_OUTPLL_FLT_RETAVSS_PLLNCVREGA_CAPDVSS1NCRESETERR_RCVRYMUTEPDNSDASCLCS0NCNC25 26 27 2879 78 77 76 75807472 71 707329 30 31 32 3369 682167 66 65 6434 35 36 37 38 39 4063 62

11、 61NC No internal connectionAVDD_OSCXTL_INXTL_OUTAVSS_OSCDVSSPWM_AP1PWM_AM_1VALID_1PWM_BM_1PWM_BP_1PWM_AP_2PWM_AM_2VALID_2PWM_BM_2PWM_BP_2PWM_AP_3PWM_AM_3VALID_3PWM_BM_3PWM_BP_3NCNCNCDBSPDCLIPSDIN1SDIN2SDIN3MCLK_OUTSCLKLRCLKDVDDDVSSVREGC_CAPDEM_SEL2DEM_SEL1M_SDVSS1DVSS1NCPWM Ch.Output ControlAVDD_PL

12、LAVSS_PLLVREGA_CAPVREGB_CAPVREGC_CAPDVDD_RCLDVSS_RCLDVDD_PWMDVSS_PWMPower SupplyPLL_FLT_OUTPLL_FLT_RETSCLKLRCLKMCLKOUTSDIN1SDIN2SDIN3MCLK_INXTAL_OUT XTAL_INDBSPDSDASCLCSOPWM_AP_1PWM_BP_1PWM_AM_1Clock,PLLandSerialDataI/FPDNRESETMUTECLIPERR_RCVYSerialControlI/FReset,Pwr DwnandStatusAuto MuteDe-emphasi

13、sSoft VolumeError RecoverySoft MuteClip DetectSignalProcessingPWMSectionPWM Ch.PWM Ch.PWM Ch.PWM Ch.PWM Ch.M_SDM_SEL1DM_SEL2VALID_1PWM_BM_1PWM_AP_2PWM_BP_2PWM_AM_2VALID_2PWM_BM_2PWM_AP_3PWM_BP_3PWM_AM_3VALID_3PWM_BM_3PWM_AP_4PWM_BP_4PWM_AM_4VALID_4PWM_BM_4PWM_AP_5PWM_BP_5PWM_AM_5VALID_5PWM_BM_5PWM_A

14、P_6PWM_BP_6PWM_AM_6VALID_6PWM_BM_69AVR-550SDTAS5182 (MAIN: IC102,103,104)Pin assignmentsBlock Diagram1234567891011121314151617181920212223242526272856555453525150494847464544434241403938373635343332313029NCNCDVDDDVSSNCDTC_HSDTC_LSOC_HIGHVRFILTAPAMRESET_ABBMBPCPCMRESET_CDDMDPSHUTDOWNERR0ERR1LOW/HIZDV

15、SSNCNCOC_LOWTEMPGVSSGVDDGLS_ASLS_ASHS_AGHS_ABST_ADHS_AGLS_BSLS_BSHS_BGHS_BBST_BDHS_BGLS_CSLS_CSHS_CGHS_CBST_CDHS_CGLS_DSLS_DSHS_DGHS_DBST_DDHS_DGVDDGVSSDPDMBST_DDHS_DGHS_DSHS_DGLS_DSLS_DCPCMBST_CDHS_CGHS_CSHS_CGLS_CSLS_CBPBMBST_BDHS_BGHS_BSHS_BGLS_BSLS_BPWMReceiverTimingandControlHSGateDriveLSGateDr

16、iveAPAMBST_ADHS_AGHS_ASHS_AGLS_ASLS_AProtection CircuitryStatusBandgapReferenceVRFILTDTC_HSDTC_LSOC_HIGHTEMPLOW/HIZA Half-Bridge DriverPWMReceiverTimingandControlHSGateDriveLSGateDrivePWMReceiverTimingandControlHSGateDriveLSGateDrivePWMReceiverTimingandControlHSGateDriveLSGateDriveB Half-Bridge Driv

17、erC Half-Bridge DriverD Half-Bridge DriverRESET_ABRESET_CDSHUTDOWNERR0ERR1DVDDDVSSGVDDGVSSGVDDGVDDGVDDGVDDGVDDGVDDGVDDOC_LOW10AVR-550SDAK4588 (MAIN: IC219)Pin assignmentsBlock Diagram (Top View)CCLK/SCLCDTI/SDACSNDAUX1SDTI4SDTI3SDTI2SDTI1XTL1XTL0PDNMASTERDZF2DZF1LOUT4NCROUT4NCLOUT3NC2122232425262728

18、2930313233343536373839406059585756555453525150494847464544434241807978 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 611234567891011 121314151617181920INT1BOUTTVDDDVDDDVSSXTOXTITEST3MCKO2MCKO1COUTUOUTVOUTSDTO2BICK2LRCK2SDTO1BICK1LRCK1CDTOTEST1 RX1 NC RX0 AVSS AVDD VREFH VCOM RIN LIN NC ROUT1 NC LO

19、UT1 NC ROUT2 NC LOUT2 NC ROUT3 INT0 TX1 TX0 MCLK VIN DAUX2 I2C RX7 CAD1 RX6 CAD0 RX5 TEST2 RX4 PVDD RPVSS RX3 NC RX2 Input SelectorClockRecoveryClock GeneratorDAIFDecoderAC-3/MPEGDetectDEM?P I/F Audio I/F XtalOscillatorPDNINT0LRCK2BICK2SDTO2DAUX2MCKO2XTOXTIRPVDDPVSS CDTICDTOCCLKCSNDVDD DVSS TVDD MCK

20、O1I2CRX0 RX1 RX2 RX3 RX4 RX5 RX6 RX7 DITTX0 Error &DetectSTATUSINT1Q-subcode bufferTX1 B,C,U, VOUT 8 to 3 VIN AudioI/FLPF LPF LPF LPF LPF LPF LOUT1 ROUT1 LOUT2 ROUT2 LOUT3 ROUT3 DAC DATTDEMADC HPFADC HPFRIN LIN LRCK1BICK1 SDTI1 SDTI2 SDTI3 DAUX1MCLKLRCKBICKSDOUTSDIN1SDIN2SDIN3MCLKSDTO1Format Convert

21、erSDTI4 SDIN4LPF LPF LOUT4 ROUT4 DAC DATTDEMDAC DATTDEMDAC DATTDEMDAC DATTDEMDAC DATTDEMDAC DATTDEMDAC DATTDEMAVDD AVSS 11AVR-550SDFunctions12AVR-550SDNo. Pin Name I/O Function 55 AVDD - Analog Power Supply Pin, 4.5V?5.5V 56 AVSS - Analog Ground Pin, 0V 57 RX0 I Receiver Channel 0 Pin (Internal bias

22、ed pin) This channel is default in serial mode. 58 NC - No Connect This pin should be connected to PVSS. 59 RX1 I Receiver Channel 1 Pin (Internal biased pin) 60 TEST1 I Test 1 Pin This pin should be connected to PVSS. 61 RX2 I Receiver Channel 2 Pin (Internal biased pin) 62 NC - No Connect This pin

23、 should be connected to PVSS. 63 RX3 I Receiver Channel 3 Pin (Internal biased pin) 64 PVSS - PLL Ground pin 65 R - External Resistor Pin 12k? +/-1% resistor should be connected to PVSS externally. 66 PVDD - PLL Power supply pin, 5.0V 67 RX4 I Receiver Channel 4 Pin (Internal biased pin) 68 TEST2 I

24、Test 2 Pin This pin should be connected to PVSS. 69 RX5 I Receiver Channel 5 Pin (Internal biased pin) 70 CAD0 I Chip Address 0 Pin (ADC/DAC part) 71 RX6 I Receiver Channel 6 Pin (Internal biased pin) 72 CAD1 I Chip Address 1 Pin (ADC/DAC part) 73 RX7 I Receiver Channel 7 Pin (Internal biased pin) 7

25、4 I2C I Control Mode Select Pin. “L”: 4-wire Serial, “H”: I2C Bus 75 DAUX2 I Auxiliary Audio Data Input Pin (DIR/DIT part) 76 VIN I V-bit Input Pin for Transmitter Output 77 MCLK I Master Clock Input Pin 78 TX0 O Transmit Channel (Through Data) Output 0 Pin 79 TX1 O Transmit Channel Output1 pin When

26、 TX bit = “0”, Transmit Channel (Through Data) Output 1 Pin. When TX bit = “1”, Transmit Channel (DAUX2 Data) Output Pin (Default).80 INT0 O Interrupt 0 Pin 13AVR-550SDPCM1804 (MAIN: IC212,213,214)Pin Assignment12345678910111213142827262524232221201918171615VREFLAGNDLVCOMLVINL+VINLFMT0FMT1S/MOSR0OSR

27、1OSR2BYPASDGNDVDDVREFRAGNDRVCOMRVINR+VINRAGNDVCCOVFLOVFRRSTSCKILRCK/DSDBCKBCK/DSDLDATA/DSDRHPFHPFPower SupplyCLKControlDelta-SigmaModulator (L)VREFLVREFRDelta-SigmaModulator (R)DecimationFilter (L)DecimationFilter (R)SerialOutputInterfaceSCKIVINL+VINLVCOMLAGNDLVREFLVREFRAGNDRVCOMRVINR+VINRVCCAGNDDGN

28、DVDDOSR0OSR1OSR2S/MFMT0FMT1LRCK/DSDBCKBCK/DSDLDATA/DSDROVFLOVFRBYPASRSTBlock Diagram14AVR-550SDIS42S16100 (MAIN: IC223)Pin AssignmentBlock Diagram1234567891011121314151617181920212223242550494847464544434241403938373635343332313029282726VCCI/O0I/O1GNDQI/O2I/O3VCCQI/O4I/O5GNDQI/O6I/O7VCCQLDQMWECASRAS

29、CSA11A10A0A1A2A3VCCGNDI/O15I/O14GNDQI/O13I/O12VCCQI/O11I/O10GNDQI/O9I/O8VCCQNCUDQMCLKCKENCA9A8A7A6A5A4GNDCLKCKECSRASCASWEA11A9A8A7A6A5A4A3A2A1A0A10COMMANDDECODER&CLOCKGENERATORMODEREGISTERREFRESHCONTROLLERREFRESHCOUNTER SELFREFRESHCONTROLLERROWADDRESSLATCHMULTIPLEXERROWADDRESSBUFFERROWADDRESSBUFFERC

30、OLUMNADDRESS LATCHBURST COUNTERCOLUMNADDRESS BUFFERROW DECODERROW DECODERMEMORY CELLARRAYBANK 0COLUMN DECODERMEMORY CELLARRAYBANK 1DATA INBUFFERDATA OUTBUFFERSENSE AMP I/O GATESENSE AMP I/O GATE20482048DQMI/O 0-15Vcc/VccQGND/GNDQ1111111181111816161616 256 25615AVR-550SDNJU7313A (I/O: IC851) BU2090F

31、(FRONT: IC902,607)TS10P05G (SMPS:BD1)1N4007 ( : IC )SMAB36 ( : IC )BU2090F (IC302, 1003, 1005)123456781817161514131211Q3VDDOEQ7Q8Q11Q10Q9Q6VSSDATACLOCKLCKQ0Q1Q2910Q4Q5CONTROL CIRCUIT12-bit SHIFT REGISTER12-bit STRAGE REGISTERO U TP U T B U F FE R (O P E N D R A IN )211:ANODE2:CATHODE16AVR-550SDM6600

32、5FP (FRONT: IC901)141516CGROM(35bit x 160)CGRAM(35bit x 16)codewritedatadot datawritecodeselecttimingclock5933312464636261DIG12/SEG36DIG13/SEG37DIG14/SEG38DIG15/SEG39SEG00SEG26.SEG27SEG34.121DIG00DIG11.scan pulseCSSCKSDATA2120XINXOUT13RESETBLOCK DIAGRAM.18172P0P119602232Vcc1Vcc2VssVpSerialreceivecir

33、cuitCode/commandcontrolcircuitBank 1 : 8bit x 16Bank 2 : 8bit x 64Display code RAMSegmentoutputcircuitSegment/Digitselect/outputcircuitDigitoutputcircuitClockgeneratorDisplaycontroller23SEG35.17AVR-550SDSN74VHCU04N (I/O: IC7)RC1117-25 (MAIN: IC215)RC1117-33 (MAIN: IC404)NJM2068M (MAIN: IC220222,2312

34、42)MM74LCX244 (MAIN: IC225,227,228) MM74HCT244 (MAIN: IC226)NJM4560M (MAIN: IC230)M29W800AT (MAIN: IC224)?20 119 218 317 416 515 614 7 13 8 12 9 11 101G2G1A02A02A32Y01Y01Y31A12Y11A22Y21Y12A11Y22A21A32Y3GNDVCC74LCX244 (IC809811)1234567820191816151413I3VCCOE2O2I5O0I4O1I6OEI0O4I1O5I2O6912O7O31011GNDI7T

35、OP VIEW17PIN DESCRIPTIONPin NameAddress InputsSymbolA0-A18Data Input/Outputs, Command InputsDQ0-DQ7Data Input/OutputsDQ8-DQ14Data Input/Output or Address InputDQ15A-1Chip EnableOutput EnableWrite EnableReset/Block Temporary UnprotectReady/Busy OutputRBByte/Word OrganizationBYTESupply VoltageVCCGroun

36、dVSSNo Connected InternallyNCDont Use as Internally ConnectedDUEGWRPA1A0A2EA3VSSA4GA5DQ0A6DQ8A7DQ1A17DQ9A18DQ2RBDQ10NCDQ3NCDQ11RPVCCWDQ4NCDQ12NCDQ5A8DQ13A9DQ6A10DQ14A11DQ7A12DQ15A-1A13VSSA14BYTEA15A16241312125363748M29W800TM29W800T19A0-A18WDQ0-DQ14M29W800ATE15GRPDQ15A-1BYTERBVCCVss18AVR-550SDCXP7400

37、P10 (MAIN: IC401)Block Diagram19AVR-550SDKIA7805API (MAIN: IC407)BA7626(VIDEO: IC601,603,607)KIA7812API (MAIN: IC406)MM74HC4053MX (VIDEO: IC611613,705)NJM2274 (VIDEO: IC610)BLOCK DIAGRAM78161514131211109Monitor OUTGNDIN5GNDIN4CTL EIN3CTL DIN1CTL AV OUT1VccIN2CTL BV OUT2CTL C6dB6dBLOGICLOGIC Note 1:

38、* mark means thatfeasible for either H or L. Note 2: Each input terminal isprovided with sink chipclamp (BA7625).Each input terminal takes20kohm at the end (BA7626).CDEV OUT 2LL*IN 1HL*LH*IN 3HHLIN 4HHHIN 5CDEV OUT 1LL*HL*IN 2LH*IN 3HHLIN 4HHHIN 5ABEMONITOR OUTLL*IN 1HL*IN 2LH*IN 3HHLIN 4HHHIN 5TT12

39、VEE345678910111615141312Y1Y0Z1ZZ0EnableGNDVccYX1XX0CABX = Dont CareTruth Table Control InputsSelectEnable C BAONSwitchesL L LLZ0 Y0 X0L L LHZ0 Y0 X1L L HLZ0 Y1 X0L L HHZ0 Y1 X1L H LLZ1 Y0 X0L H LHZ1 Y0 X1L H HLZ1 Y1 X0L H HHZ1 Y1 X1HX X X NoneClamp Disc. Vref. 7501867243Bias Yin Cin C mute GND Vsag

40、Vout Vcc Power Save 520AVR-550SDLC74781 (VIDEO: IC609) 21AVR-550SDTOPVIEWEBCBCER1R2BCER1R2FRONTVIEWB CEFRONTVIEWBCEKRA SeriesDTC SeriesKRC SeriesR110Kohm47KohmR210Kohm47Kohm10Kohm 47Kohm4.7KohmR1R2TRANSISTORS10Kohm2SA7082SC1008KSP2222A(Q1,Q2)IRFZ24N (AM:Q561564,Q661664,Q761764)KRC107MKRA102MKRA104MK

41、TC31982SA933KTA1266KSA916KSC2383(Q3)KSR1004(Q4,Q5)KRA102SKRC102SKRC107SKTA3875SKTA1504SKRC234SKTC2875KRA102M/SKRA104MKRC107M/SKRC102SKRC2345S10KohmFRONTVIEWSDGDSGSDGFRONTVIEWInputCommonOutputANODE(A)REFERENCE (R)CATHODE (K)1243 EMITTERCOLLECTORANODECATHODEFRONTVIEWmonutG D SSPP20N60S5KA78R15(U4)KA27

42、8R09(U5)KIA79151PIFQD5P10H11A817(PC16)G D S 22AVR-550SD DIODESF3006PT(D11)SFAF808G(G5)FRONTVIEW1.Anode2.Cathode3.AnodeFRONTVIEW1 31 31 2 323AVR-550SD2. FL DISPLAY15-ST-43GNPIN CONNECTIONGRID ASSINMENT464590124AVR-550SDANODE CONNECTION25AVR-550SDPRINTED WIRING BOARDSMAIN P.W.B. UNITCOMPONENT SIDE26AV

43、R-550SDFOIL SIDE27AVR-550SDVIDEO P.W.B. UNITCOMPONENT SIDE28AVR-550SDFOIL SIDE29AVR-550SDFRONT P.W.B. UNITCOMPONENT SIDE30AVR-550SDFRONT P.W.B. UNITFRONT P.W.B. UNITFRONT P.W.B. UNITFOIL SIDEFOIL SIDE31AVR-550SDSMPS P.W.B. UNIT32AVR-550SDNOTE FOR PARTS LIST5%1/4W1/16WssssssssssssRD :2B : 1/8 WF :1%P

44、:RC :2E : 1/4 WG :2%NL :RS:2H : 1/2 WJ :5%NB :RW :3A : 1WK :10%FR :RN :3D : 2WM :20%F:RK :3F: 3W3H : 5WRN14K2E182GFR182?1800=1.8k021R2?1.212RCE04W1H2R2MBPCE:0J: 6.3 VF: 1%HS :CA :1A : 10VG : 2%BP :CS:1C : 16VJ: 5%HR :CQ :1E : 25VK : 10%DL :CK :1V : 35VM : 20%HF :CC :1H : 50VZ: +80%U:ULCP:2A : 100 V2

45、0%C:CSACM :2B : 125 VP: +100%W:UL-CSACF:2C : 160 V 0%F:CH :2D : 200 VC : 0.25pF2E : 250 VD : 0.5pF2H : 500 V=:2J: 630 V222?2200F02F222?2200pF=0.0022F02pFpF221?220pF2(02)0(001)2R2?2.2F12RFACRD : Carbon2B : 1/8WF: 1%P: Pulse-resistant typeRC : Composition2E : 1/4WG: 2%NL : Low noise typeRS : Metal oxi

46、de film2H : 1/2WJ: 5%NB : Non-burning typeRW : Winding3A : 1WK: 10%FR : Fuse-resistorRN : Metal film3D : 2WM: 20%F: Lead wire formingRK : Metal mixture3F : 3W3H : 5WCE : Aluminum foil0J: 6.3VF: 1%HS : High stability typeelectrolyticCA : Aluminum solid1A : 10VG : 2%BP : Non-polar typeelectrolyticCS :

47、 Tantalum electrolytic1C : 16VJ: 5%HR : Ripple-resistant typeCQ : Film1E : 25VK : 10%DL : For change and dischargeCK : Ceramic1V : 35VM : 20%HF : For assuring highrequencyCC : Ceramic1H : 50VZ: +80%U: UL partCP : Oil2A : 100V20%C: CSA partCM : Mica2B : 125VP : +100%W : UL-CSA typeCF : Metallized2C :

48、 160V0%F: Lead wire formingCH : Metallized2D : 200VC : 0.25pF2E : 250VD : 0.5pF2H : 500V=: Others2J: 630VlPart indicated with the mark ? are not always in stock and possibly totake a long period of time for supplying, or in some case supplying ofpart may be refused.lWhen ordering of part, clearly in

49、dicate 1 and I (i) to avoid mis-supplying.lOrdering part without stating its part number can not be supplied.lPart indicated with the mark is not illustrated in the exploded view.lNot including Carbon Film Resister 5%, 1/4W Type in the P.W.Boardparts list. (Refer to the Schematic Diagram for those p

50、arts.)lNot including Carbon Chip Resister 1/16W Type in the P.W.Board partslist. (Refer to the Schematic Diagram for those parts.)WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacturer.l l l l lResistorsEx.:RN14K2E182GFRType Sha