Inside Views; Top View; Bottom View - Icom Ic-2820H Service Manual
Dual band fm transcever
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Also See for Ic-2820H:
- Instruction manual (164 pages) ,
- Basic operations (4 pages) ,
- Service manual (57 pages)
Table of Contents
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SECTION 2
• TOP VIEW
D/A converter
(IC1: M62364FP)
1st IF Mixer for UHF bands
(IC20: SPM5001)
LO filter
(763.650−953.640 MHz)
Frequency synthesizer
(Right band)
AF switch
(IC30: CD4066BPWR)
• BOTTOM VIEW
AF power amplifier
(IC38: LA4445)
EEPROM
(IC22: 24LC512)
CPU
(IC25: HD64F2506FC26)
IF IC (Left band RX)
(IC15: TA31136FNG)
DTMF decoder
(IC56: BU8872FS)
INSIDE VIEWS
D/A converter
(IC8: M62364FP)
Reference frequency oscillator
(Left band)
2 - 1
Electric volume
(IC33: SM6451B)
D/A converter
(IC54: M62364FP)
1st IF Mixer for VHF bands
(IC19: SPM5001)
LO divider
(79.150−121.150 MHz)
Frequency synthesizer
(Left band)
AF filter
(IC48: LM2902PWR)
Level converter
(IC46: MAX3221IPWR)
AF switch
(IC31: CD4066BPWR)
VHF PA module
(IC3: S-AV32)
UHF PA module
(IC2: S-AU82L)
IF IC (Right band)
(IC18: TA31136FNG)
Reference frequency oscillator
(Right band)
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