Icom IC R8500 Service Manual Addendum

Also see for iC- r8500: Instruction manual Service manual Instruction manual Service manual Service manual

Contents

RFBPF30-1025MHzBPF1BPF1 Q1BPF2BPF2 Q2BPF3BPF3 Q3Q1-Q4 3SK228Q4BPF4 RXSW500-1025MHzATTRFAMPIC3*PC2708ATT BPFF1MF2MBPFTUNCTRLIC7aNJM2904MTUNCTRLIC2c,d NJM2902VQ11,12 2SK1069TUNCTRLIC2a,b NJM2902VAGCBUFFIC1a NJM2904MCTRLIC1b NJM2904MQ10 DTC144EURXSWRLCTRLSWQ8 XP1213Q9 XN1114BPF4BPF3SWQ6 XP1213Q7 XN1114BPF2BPF1LVDASW+8+24-8AGCMT5VLPFIC4GN2011BPF ATT LOAMPIC6*PC2709ATTATTBPFBPF1BPF778.7MHz266.7MHzBPF2LPFIC1CB501M256.0MHzLPF768.0MHzLPF1LPFLPF2ATTIC2*PC2710LOAMPATTMUTEQ4,Q52SC4835BPF2BPF1RF FILSWFILSWIC3 NJM2902VQ1 DTC144EUQ2 XP1213Q3 XN1114LPF1LPF2LPF V2IF(TO RF-B)F2MF1MFILS-8+8MI5V (FROM MAIN)IFAMPQ43SK131BPFFI1230kHzBPFFI2230kHzFM ICIC2 MC3356CDAC10.7MC4-AX110.7MHz SWQ61DTC144EUWFMAGCCTRL Q62SC4081AGCCTRLQ20 DTC144EUQ21,Q23 2SA1586Q25 DTA114EUQ27 2SC4081/WF8HPFIC32aNJM2904FM ICCDBC455CX16X2455kHzIC8 MC3372AMPQ542SC4081AGCDETD201SS375BUFFQ182SC4081AMPQ173SK131AMPQ163SK131BPFFI8 15kHzBPFFI7 15kHzFIL3BPFFI6 6kHzBPFFI5 6kHzFIL2FL52AFIL0O.5kHzBPFFI4 2.2kHzFIL1IC6UPC1037AMPQ153SK131NBSWQ14 2SC1081NBCTRLQ12 2SC4081Q13 XP4311 AMDETD151SS375DET IC7*PC1037SQL GATEMUTEIC19 BU4066Q47 2SC4081Q46 DTA114EUAMCENTIC40 TC74HC86IC41 TC74HC74Q65 2SK882Q66,Q67 2SC4081Q68 DTC144EUQ69 XP4311USB 456.5kHzLSB 453.5kHzCW 454.2kHzAGCSWQ26 XP1213Q60 DTC144EUAGCF/WF8Q7XP1213SHIFTSWAMPIC4aNJM2904CENTDETIC13 NJM2904Q31,Q70 DTC144EUSWIC9bNJM4558AMPFIL2NOISEDETD161SS375IC4bNJM2904AMPAM8CTRLIC43 TC4W53FQ75 DTC144EUAMPIC9aNJM4558IFBKBUFFQ12SC4081LPFATTLPFAMPQ622SC4081VSCCTRLIC10 NJM2904IC11 *PD4001IC12 NJM2904Q30 DTC144EUCTRL IFBKQ28 2SJ144Q29 XP1213MAINCPUVBSYLCTVSCSTOPL1ADCMADNOADSMADAPF CTRLIC29 BU4053IC30 BU4053IC31 NJM2902IC39 X9C503SWQ54 XP1213ISW1ISW2BUFFQ482SC4081L1AD(CPU)AM8UT-102VOICEUNITOPTION+5(FROM PLL)X39.8304MHzLVDANRXDMTXD(TO RF-B)BUFFIC32bNJM2904AGC(TO RF-A,B)EEPROM IC34HN58C256RESETIC37 5-8054ALBQ57 2SC4081L+5CTRLIC35*PD4081CI-VI/FQ53 XP4501IC27 TC7W04FRS232I/FIC28DS14C232TMJ23DTXDRX13251224112310229218207196185174163152141SW Q732SK2036RFAMP VRIC20 M5282RFAMPICI21*PC1241CI-VJ22AMPQ492SC4081REC13.8CTRLRESET13.8IC42S-8O54ALBQ71 2SA1736Q72 2SK2036SPCOVEREXT SPJ21EXT10.7MHzEXTAGCJ17J18RIPPLEFIL13.8 Q5 2SC3650D54 RD10MB2IC15 BU4094Q8Q7Q6Q5Q4Q3Q2Q1MdatMckOEMST1SWQ33 XP1213Q34 XP1213SWQ32 DTA114EUSW FILCNBS1NBS2AGCFTSW1TSW2IFBKQ8Q7IC16 BU4094Q6Q5Q4Q3Q2Q1MdatMckOEMST3Q36 DTC144EUSW SWQ35 RN2427SWQ63 DTC144EUMUTEMIXVMI5VFILSSWF4F3F2F1Q8Q7Q6Q5Q4Q3Q2Q1MdatMckOEMST2IC18 BU4094CTRLQ40 XP1213Q37 XP1213CTRLCTRLQ42 XP1213Q44 XP1213CTRLSWQ41 XP1114Q43 XP1114Q56 DTA114EUSWSWQ45 XP1114SWSWQ39 RN2427Q55 DTA114EUSWFIL3FIL2FIL1AM8FM8WFM8SSB8/WF8FM5-8REGIC26 AN79LO8M+24REGIC25 AN78L24M+24-8DC-DCQ51,52 2SC2873D39-42 1SS272+8REGIC24 TA7808F+8REGIC23 TA7808S+5REGIC17 TA7805F+5+8POWSWQ50 2SC408113.813.8L+5+5REGIC38 TA7805FJ14REGIC22 PQ30RV311234P2HV1LHV1HV2LHV2SUBCPUIC6 X24C01EEPROMIC3c IC3d*PD4030BGSENSORMAINDIALME1X19.8304MHzRESETIC4 S-8054ALBQ1 2SC4081IC3a *PD40308GD1 1SS355L+5(FROM MAIN)DDTDRIVERIC2SED1522LCDDS1LAMPCTRLIC5 PQ20VZ51Q7 DTC144EUDS2-5HRS4150A13.8(FROM MAIN) SLEEPS1[MATRIX SW][MATRIX SW][APF VR][IF SHIFT VR][DELAY VR]J3J2J1[PHONES][REC][REC REMOTE]JACK BOARDVR-B BOARDVR-A BOARDSW-B BOARDSW-A BOARDIC3b *PD4030BGQ2,Q4 DTA144EUQ3,Q5 DTC144EUSHIFT VCTRLL+5(FROM MAIN)RECSWREC Q6 DTC114EUD2 1SS355MTXDMRXDAF-GAIN VRSQUELCH VRMATRIX SW INMATRIX SW OUTAPFV(APAD)SFTV(IFAD)DELV(DLAD)AFADSQADDIMDISP UNITMAIN-A UNITMIX-A UNITRF-D UNIT F3F4F2F1Q5XP121330-500MHz500-1025MHz768.0MHz256.0MHz10.7MHzS2IC1HD6433833A74HCHASSISFRONT UNIT(POWER SW)POCBF03LONBS2NBS1Q59,Q74DTC144EU/INCU/DBEEPVOIC+5IC33HD6433334YL02FRS-232CAGCMdatMckVSTBOPTIONAF WFAF FMAF AMAF SBRXDTXDAF DAFRONTUNIT[METER]V1IFV2LO(FROM PLL)V1LO(FROM PLL)(FROM MAIN)[MEMO CH](TO RF-B,MIX)(TO MIX)(TO RF-B)HFIF(FROM RF-A)90-250MHz30-90MHz250-500MHzMFTVAM 455kHzABCDEFGHIJK• BLOCK DIAGRAM-210 - 2