Icom 756 pro mods

A common fault with the first model of the ICOM IC-756 series (not to be confused with the IC-756PRO and PROII) is the partial failure of the main LCD display by the appearance of a number of prominent horizontal lines (dark in my case). The lines are usually intermittent but persist.

IC-746 FAQ Recent Changes 2003.02.06 Added another QST article to the article list 2003.02.06 Added current vs voltage chart to power supply section.

A common fault with the first model of the ICOM IC-756 series (not to be confused with the IC-756PRO and PROII) is the partial failure of the main LCD display by the appearance of a number of prominent horizontal lines (dark in my case). The lines are usually intermittent but persist. Icom 756 Pro III. First let me say the IC 756 Pro III is exactly what I personally wanted. It may not be for everyone. I like all the knobs and dials on a full size rig. I wanted a rig with a pan adapter display. I always admired but could not afford the IC 781. So far I like everything about the rig. My previous rig was an IC 761. Aug 13, 2019 ยท Updated 60m Mods for the Icom IC-756 60M for the IC-756 Standard Modifying the ICOM IC-756 Standard (non-Pro model) for 60m takes a little work, but it's worth the eff... Display Transplant into an Icom IC-756 (non-pro) Icom 746 Pro Sudden Death Club Fix A good friend asked me to look at his Icom IC-746PRO which suddenly stopped transmitting. I didn't know where to begin until I found a WEALTH of information on the Internet about other hams who have experienced the same fate! Here is a particularly good article detailing how THEY fixed the radio Analog filters roll off so slowly that you can still hear the high frequency components of the desired signal. Digital filters have a flatter frequency response in band and then roll off more quickly. But the IC-756 PRO filters are deliberately designed to reject adjacent interference on our crowded bands.

Icom 756 Pro III. First let me say the IC 756 Pro III is exactly what I personally wanted. It may not be for everyone. I like all the knobs and dials on a full size rig. I wanted a rig with a pan adapter display. I always admired but could not afford the IC 781. So far I like everything about the rig. My previous rig was an IC 761. Icom 756 Pro III. First let me say the IC 756 Pro III is exactly what I personally wanted. It may not be for everyone. I like all the knobs and dials on a full size rig. I wanted a rig with a pan adapter display. I always admired but could not afford the IC 781. So far I like everything about the rig. My previous rig was an IC 761. IC-756Pro2: Installing the Inrad Roofing Filter Mod . The Icom IC-756PROII roofing filter mod consists of a 6-pole, 4 to 5 kHz wide filter followed by a high dynamic range feedback amplifier. The amplifier provides enough gain to overcome the filter insertion loss. The plot below shows the sweep frequency response of the front end and first Uncle has purchased an Icom IC-756 Pro III, but seems although some tweaking to the display has made a little better it's very dim. Is this a common problem with this rig, or could it be a problem with this one???