YO3HJV
Hamradio, Electronics& Stuff
XIEGU G90 Collection
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Full schematics
Block Diagram and Schematic
G90 Faults and mitigation
Reflashing the Bootloader
Audio Amp Gain Mod
Power supply section
SMPS regulators instead of LDO
"COMM LOST" Error
MCU and DB9 reference
External Speaker Mod
Firmware Programming Cable Schematic
High Resolution Pics
Power Output vs Supply Voltage
Front Panel Backlight
ATU issues
ICOM RJ-45 Microphone with G90
Disassembly the Front Panel of G90
VFO encoder selection
On screen voltmeter
Repair Manual by XIEGU
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Showing posts with label
ah-4
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Showing posts with label
ah-4
.
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13 December 2022
ICOM AH-4 tuning aid with any radio
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Somehow, you end up into an ICOM HF eco-system. You have an IC-7300 or 7100 or 7000 or anything else; a radio that can do HF and you also h...
19 May 2022
ICOM AH-4 Automatic Antenna Tuner modification for RVSU
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The Spring is here full power so is the war just North of Romania so our Emergency Communication Team ( RVSU ) is preparing for... field day...
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