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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30 October 2021
QCX CW
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YO3HEX, Dexter gave me a nice present! A QCX CW pocket transceive r. It is able to put around 4-5W into one band and it is working only C...
19 October 2021
WPX SSB and MIXED AWARDs!
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I am proud I got the WPX SSB and MIXED today!
18 October 2021
ICOM FL-53A CW Filter
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I was reading a post in a FB group. Someone was asking for a CW IF filter for his ICOM IC-703 radio. Specifically for a F-52A, CW 500 Hz 45...
05 October 2021
Elmering and stuff
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Well, don't know how I became an "elmer"... In hamradio, "elmer" is usually an old ham who's wisdom is passed...
26 September 2021
Xiegu G90 Faults
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I will try to post here faults from various sources and how the problems were mitigated. The post will be periodically updated. Last updat...
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