Icom IC-E91 Service Manual
Also see for IC-E91: Instruction manualInstruction manual
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SECTION 11 BLOCK DIAGRAM11 - 1Explanatory notesTX LINERX LINECOMMON LINEATTAGCDETBUFFLPFJ701RFAMPAGCDET BPFDC-DCTP76D96E20S702CABHPFPLLICAMDETRFSWLPFHPFRFSWRFSWX3BPFAMDETANTSWBUFF1/2ANTSWAMPRFSWRFSWRFAMPRFAMPAMPX4RFAMPRFSWBUFFRFSWLPFALCAMPJ1000DRIVEPREVCOBUFFSPLCDAFAMPBPF+3REGRFSWBUFFLPFMATRIXRFSWTXSWRFAMPRFAMPKEYBOARDBPFRFAMPRFAMPJ50D/ABPFRFAMP RFSWLEVELCONVBPFIDCRFSWBPFLPFIFAMPANTJ1RFSWBPFPWRAMPLPFBUFFMC300EM-140BPFCERAMICRFAMPRFAMPHPFLPFRFSWBPFRFSWBPFXTALBPFEEPROMX2LOAMPRFSWJ700BUFFIFAMPHPFRFSWATTVCORFSWBPFCERAMICFILLOOP HPFRFAMPIFAMPRFSWRFAMPTX/RXSW DRIVEAMPBUFFAMPATTATTRFSWLPFRFSWIFAMPAPCCTRLBPFD/ABPFIFAMPBPFBPFCERAMICBUFFRFAMPMICAMPRFSWFILLOOPLEVELCONVBPFBPFBPFCERAMICPLLICBPFLPFRFSWBPFXTALQ100: 2SK3476Q101: RD01MUS1Q102: 2SC4226IC100: μPC2762MODESWMODESWI_DETQ1: 2SC5195Q2: UNR9211D1: 1SV325D2: 1SV308D3: 1SV325Q51: 2SC5195Q52: UNR9211D51: HVC376BD52: MA2S077Q101: 2SC5006Q102: UNR9211D101: HVC375BD102: MA2S077D100: 1SV286Q200: 2SC5006Q202: 2SC5006Q201: 2SC5006VCO UNITQ850: 2SC5006D100: 1SV308D850: 1SV308IC150: NJM3404Q150: XP6401Q151: UNR9215Q2: XP1114Q3: UNR9215D1: 1SV307D2: 1SV307Q1: UNR9211Q2: XP1114Q4: UNR9215D3: 1SV271D4: 1SV271D8: 1SV308D10: 1SS362D7: 1SS362D200: 1SV308D201: MA2S077Q200: 2SC4215D203: 1SV308D250: MA2S077D252: 1SV325D251: MA2S077Q250: 2SC5006D254: MA2S077D255: 1SV325D256: 1SV308D202: MA2S728D253: MA2S111D300: 1SV308D301: MA2S077D304: MA2S077D305: HVC375BQ300: 2SC5006D306: MA2S077D307: HVC375BD308: HVC375BD309: MA2S077Q301: 2SC5006D310: MA2S728D311: 1SV308D302: 1SV308D303: MA2S077D400: 1SV308Q400: 3SK318D401: HVC376BD450: HVC376BQ401: 3SK318Q450: 3SK318D404: MA2S111D453: MA2S111D402: HVC376BD403: HVC376BD451: HVC376BD452: HVC376BD405: 1SV308D454: 1SV308D500: 1SV308D501: MA2S077D502: HVC375BQ500: 2SC5006D503: MA2S111D504: MA2S077D505: HVC375BD506: HVC375BD507: MA2S077Q501: 2SC5006D508: 1SV308D600: 1SV308Q600: 3SK318D601: HVC376BD602: HVC376BD650: HVC376BD651: HVC376BQ601: 3SK318D603: MA2S111Q651: 3SK318D652: MA2S111D604: HVC376BD605: HVC376BD653: HVC376BD654: HVC376BD606: 1SV308D655: 1SV308D700: 1SV308D701: 1SS362D702: HVC375BQ700: 2SC5624D703: HVC375BD704: HVC375BQ701: 2SC5006D705: MA2S111D706: 1SV308IC900: μPC2757IC800: LMX2313Q802: 2SK880DCSWQ1000: HAT1026D1000: MA2S728D1001: RB060I/OIC952: TC75S51IC953: TC75S51IC954: TC75S51IC955: TC75S51IC950: M62366IC951: CD4094VCO3VREGQ800: XP1115Q801: UNR9115Q803: 2SB1132Q804: 2SD2216D800: MA2S728D801: MA2S111RF3VSELQ201: UNR9115Q251: XP1115Q302: UNR9115Q303: UNR9115Q451: XP1115Q452: XP1115Q652: XP1115Q702: XP1115Q703: UNR9115RF UNITDISCRIDISCRIMODESWMODESWMODESWMODESWMODESWTONEFILFILTONETONESELFMMUTEMUTEFMSWMODEAFFILSWFILMODEAFS-LVSELIC702: CD4094I/OIC701: CD4094I/ORFR3REGMAINR3REGT6REGTO batteryD2: 1SS364FI1: FL-394D3: 1SS364Q1: 2SC4081Q2: 2SC5006FI2: SFECV13.35MASFI50: FL-335Q100: 2SC4215D100: MA2S728D102: 1SS364D103: 1SS364FI100: CFWM450EIC100: TA31136IC500A: CD4066Q103: XP6501Q104: XP6501Q104: XP6501IC500B: CD4066Q550: XP6501Q552: 2SC4081Q602: 2SB1132Q603: XP1501Q650: UNR9211Q651: XP1501Q652: 2SB1132IC700A: CD4066IC700B: CD4066Q600: 2SB1132Q601: XP1501Q604: XP1115Q105: UNR9115IC150: NJM12904Q150: UNR9115IC703: CD4066X100: CDBCB450KCAY24Q101: UNR9215Q102: XP1115IC50: μPC2757Q300: UNR9115Q301: 2SC5195D300: 1SV325Q350: UNR9115Q351: 2SC5195D350: HVC375BQ353: 2SC5006IC400: MB15E03X450: CR-826Q450: 2SC4215Q451: 2SC4215Q452: 2SC4215Q453: XP4315D450: 1SS364Q200: 2SC4215D200: MA2S728FI200: CFWM450EIC500D: CD4066Q202: XP6501Q204: UNR9115Q203: XP6501Q203: XP6501IC250: NJM12904Q250: UNR9115Q201: 2SC4081IC700D: CD4066IC700C: CD4066IC501: NJM12904Q500: UNR9215MAIN UNITCPUQ105: 2SB1132Q106: XP1501REGAF6VCHGD4: 1SS400D53: 1SS400D103: 1SS400MODEMDSPCODECLINEARCODEC3.2VREG3.3VREGSWMODEMODESW PTTDETVDETSELCPU3REG+3CPURESET+3VVINCHGH, CHGCLED3REGLCDLIGHTKEYLIGHTT-RLIGHTHVDETCLONE232CRSTEMPSELCLKSHIFTRTEMPTTEMP TEMPRX232TX232CTCOUT+3V+3VQ150: 2SA1362Q151: 2SB1201Q152: UNR9211Q153: XP1501D150: MA133D152: SB07-03CIC50: CD4066IC100: R1150H022Q100: 2SB1132Q101: XP1501D100: MA2S111Q51: 2SD2216D52: MA2S111X1: CR-774D103: MA2S077Q200: UNR9215Q201: UNR9215DS201: CL-165HRQ202: 2SB1132Q203: XP1501DS210: SML-A12MTDS211: SML-A12MTDS202-DS209:SML-512MWIC51: 24LC512IC50: CD4066Q52: UNR9115Q53: UNR9115IC52: MAX3221Q301: UNR9215Q303: 2SB1462Q302: 2SC4081IC301: SN74AHC2G53IC300: AN6123Q300: UNR9115IC302B: LMV324IC302C: LMV324IC101: XC6371A551PRD101: RB551Q50: 2SD2216D50: MA2S111D51: MA2S111IC302D: LMV324IC304: CD4066IC303: M62364FPIC550: NJM2070Q305: UNR9215Q306: UNR9215Q304: UNR9115Q307: UNR9215Q308: UNR9115LOGIC UNITIC350: AD73311 IC300A: NJM2115IC102: SN74LVC1G04X100: CR-820IC101: AMBE-2020IC300B: NJM2115IC202: CMX589IC203: SN74AHC1G66Q200: UNR9215Q201: UNR9215IC201: SN74AHC2G74 X200: CR-821IC301: NJM2115IC1: R1111N321Q50: 2SA1362Q51: XP15013.2V+3D12.288MHz16.384MHz9.8304MHz15.3MHzUT-121 (Optional Product)+5.5VTUNEA1, A2, B1, B2TUNETUNEA1, A2, B1, B2REFC, PSET, DSETB2C, VSHIFT, ATTDATA, CK, DASTB1DATA, CK, IOSTB1VAVCOCUAVCOC, BCVCOC, BCC, 50MCHVVCCMAINR3, MAINR3A, MAINR3BDATA, CK, IOSTB3DATA, CK, IOSTB2DAFS, ACT, BCT, W/N, R3CAR3C, BR3C, AAFSVBVCOC, UBVCOC, WFM, IFC300M800MC, AAM, BAM, VBUAC+3VD54: 1SV325D104: HVC375BD352: HVC375BD351: MA132Q202: 2SC4081Q100: 2SC4081Q1: UNR9211D3: 1SV271D4: 1SV271Q104: UNR9215Q105: XP4315DETD101: MA132TEMP+3V TTEMPD310: MA2S728D503: MA2S111D705: MA2S111D707: 1SV308D509: 1SV308D55: 1SV286D5: 1SV325D6: 1SV325UHFC, VHFCB1C, 80MC, VAUBCQ304: UNR9215Q704: UNR9215Q900: UNR9215D201: MA2S111PCONPOWERRX232IC2: SN74AHC1G08IC1: HD64F2238Q309: UNR9215DTMF+5VSWQ1: 2SA1362Q2: UNR92155V5VREGIC560: XC6202P502VCCS701SKHLLFA010SKHLLFA010S700SQLPTTD301: HVC376BDETIC200: TA31136FMSWMODED202: 1SS364SWD203: 1SS364MODEFI201: CFWKA450KHFAFMDETX200: CDBCB450KCAY24DATA, CK, DASTB2C5VBC: 62.145-131.645MHzV: 131.350 - 235.645MHzU: 319.175 - 538.345MHzV: 164.350- 220.350MHzU: 333.650 - 426.345MHz1VCOBC BAND2VCOVHF BAND3VCOUHF BAND |
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