Icom IC-E2820 Service Manual
Also see for IC-2820H: Instruction manualBasic operationsService manualService manualInstruction manual
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2 - 1SECTION 2 INSIDE VIEWSD/A converter(IC8: M62364FP)Level converter(IC46: MAX3221IPWR)1st IF Mixer for VHF bands(IC19: SPM5001)LO divider(79.150−121.150 MHz)• BOTTOM VIEW• TOP VIEWIF IC (Right band)(IC18: TA31136FNG)IF IC (Left band RX)(IC15: TA31136FNG)Reference frequency oscillator(Left band)Reference frequency oscillator(Right band)VHF PA module(IC3: S-AV32)UHF PA module(IC2: S-AU82L)CPU(IC25: HD64F2506RFC26DV)EEPROM(IC22: 24LC512)DTMF decoder(IC56: BU8872FS)AF power amplifier(IC38: LA4445)D/A converter(IC1: M62364FP)AF switch(IC30: CD4066BPWR)AF switch(IC31: CD4066BPWR)AF filter(IC48: LM2902PWR)D/A converter(IC54: M62364FP)Electric volume(IC33: SM6451B)Frequency synthesizer(Right band)Frequency synthesizer(Left band)LO filter(763.650−953.640 MHz)1st IF Mixer for UHF bands(IC20: SPM5001) |
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