Tag: yaesu mods

ft-818 mods

ft-818 mods

| agosto 29, 2018

ft-818 mods Modification Careful let’s touch the microcontroller and play with the diode matrix Behind the front panel There is a land on the main encoder exactly In the standard state 000110000 0 = open 1 = Short (0 Ω resistor mounted) transmission / reception range in the standard state Reception 0.1 to 33 M […]

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Yaesu FT-4X Wideband Modification

Yaesu FT-4X Wideband Modification

| julio 2, 2018

Yaesu FT-4X Wideband Modification Switch on Radio with PTT and T/Call Pressed. Enters Menu Mode EU & USA version enter the code 32406665 on the keypad After the 5 is entered the radio resets Nothing will show in the display while entering the digits. To reverse wideband repeat procedure

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Yaesu FT-70DR Modification

Yaesu FT-70DR Modification

| julio 2, 2017

Yaesu FT-70DR Modification Easy mod just remove rubber plug on back and remove chip resistor circled in picture and your good for 140-174 and 420-470 MHz

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FT-891 MARS modification

FT-891 MARS modification

| octubre 29, 2016

FT-891 MARS modification This modification gives the FT-891 a continuous TX range of 1.8 – 56 MHz. Open the top of the radio up the spealer and near to dsp you ca see 2 slot, solder they an you have a continuos tx Undocumented factory reset procedure and servicemenu for Yaesu FT-891 Press and hold […]

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Yaesu FTM-100 MARS/CAP mod

| mayo 18, 2016

Yaesu FTM-100 MARS/CAP mod In order to expand the frequency coverage (RX and TX) you need to remove R1850 on the european model. R1850 is located near the paper covered “UPDATE” switch. It is the second resistor right to the battery holder directly behind the front panel. The automatic repeater shift functionality remains when performing […]

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FT-991 Bad AM audio quality

FT-991 Bad AM audio quality

| febrero 8, 2016

FT-991 Bad AM audio quality problem and fix The FT-991 actually has a false start. The early series of the FT-991 suffered from a failed output stage and poor audio quality for AM . It is claimed (probably wrongly) that this would set a wrong bias. However, gives the repair expert that it is very […]

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FT2D Yaesu Mod

FT2D Yaesu Mod

| julio 11, 2015

FT2D Yaesu Mod Yaesu FT-2D and FT-2DR Mars Cap Modification Remove battery pack and locate rubber gasket on back of the radio and remove. Then locate chip resistor marked 000, only chip resistor in the hole and carefully remove. Replace the rubber gasket and reinstall the battery pack. Reset the microprocessor by turning on the […]

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FT-450 MARS Mod

FT-450 MARS Mod

| enero 16, 2015

FT-450 MARS Mod MARS Mod for FT-450 Important Notice This information is solely for use by licensed members of MARS (Military Affiliate Radio System) or CAP (Civil Air Patrol), and release to any other party is not authorized. Use of any Amateur Radio product outside of the Amateur band is at the users own risk, […]

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FT-991 MARS Mod

FT-991 MARS Mod

| diciembre 15, 2014

FT-991 MARS Mod Yaesu FT-991 Frequency Expansion Information Confidential Model: FT-991 Original TX Freq. Range: 160-6m Amateur Bands Date: 15 December 2014 New TX Freq. Range: 1.8 – 30, 50-54 MHz This information is solely for use by licensed members of MARS (Military Affiliate Radio System) or CAP (Civil Air Patrol), and release to any […]

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FTdx1200 MOD MARS/CAP

| mayo 26, 2014

FTdx1200 MOD MARS/CAP Disconnect the radio from all power, accessories, and antennas prior to attempting this modification. Use a grounded low power thermo control soldering iron Turn the radio over and take off the back cover.Locate the control board (Right front corner) you will see 9 jumpers, marker 1 through 9. Add a Solder bridge […]

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