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
mod
.
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Showing posts with label
mod
.
Show all posts
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...
15 July 2021
Xiegu G90 replacing 5V LDO with SMPS
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Owners of Xiegu G90 knows the radio can get pretty hot just on receiving. Looking inside the radio, on the lower board are two linear regula...
7 comments:
19 February 2021
Xiegu G90 - backlight for Front panel keypad
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There are not many features missing from the Xiegu G90... At least, when is about hardware, in the firmware, there is another story. When I ...
4 comments:
17 February 2021
Xiegu G-90 Audio Gain for quiet nights
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I use to listen to CW to train the reception but not always I am not so willing to use the headphones. Sometime, late at night when I am wo...
1 comment:
19 December 2020
Xiegu G90 External Speaker modification
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I like to hack the radios to add new features or to enhance the features already existing. After playing a while with the G90 I found necess...
1 comment:
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