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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
▼
06 aprilie 2020
ICOM CI-V IC 7300 commands
Here are some finding:
-All end on $FD
Send CW characters
"A" - 41
$FE
$FE
ra
$E0
$17
$xx
$FD
Tuner On/Off
$FE
$FE
ra
$E0
$1C
$01
$01
$FD
1C 01 00 - tuner OFF
1C 01 01 - tuner ON
1C 01 02 - TUNE START
Delta TX On/Off
$FE
$FE
to
fm
$05
$21
$00
$08
$13
$01
BCD format / LSB first
Ex: $21 $00 $08 $13 $01 is dTX -1.308
Voice Memory Keyer
$FE
$FE
to
fm
$28
$##
$FD
## - Memory slot
CW Memory Keyer
$FE
$FE
to
fm
$1A
$05
$01
$56
$##
$FD
## - Memory slot
For 1.30 FW revision:
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