Vern Here is a picture of the board

No..leave them in...what wires are you talking about..your coax wires... Sent from my Samsung Galaxy smartphone.

Vern I can do that. Do you want me to remove the LPF's??? I would rather not, but I can. The reason is that I made a mistake when I wired this board. I soldered the stranded wire directly to the

I do.... I checked and re-checked.... Thanks for the suggestion Doug WA3ZHG

Probably a long shot. Do you have the LPF oriented correctly (IN/OUT)

Rahul, Pin 3, your contrast adjustment looks very off from expected. I would start there. Check R47 which Is setting the contrast voltage to pin 3. You should not see 5 volts unless your R47 is

Doug can you take a close up pix of the top of the relay board and post. Vern On 2020-08-18 22:15, Doug wrote:

Vernon I have LPF's in slots 1-4 and have them assigned as such in the configuration with only slot 3 activated. That is for 40 meters and it works fine. If I deactivate slot 3 and activate any of the

When the LCD displayys a single row of blocks , I took a reading and this is what I get when compared to the manual. This is running off a 12 V PSU

Doug I presume you have your menus done correct assigning each band to band position on the LPF and activating each band. 0 is on the main board and 1 to 5 on the lpf board. Sent from my Samsung

Has anyone done mods to use the 5Watt PA on the lower VHF bands 6 and 2meters? The assembly instructions hint that is may work on those bands. The suggestion of substituting the IR510 for the RD15HVF1

Hi Vernon I just checked again and all the jumpers appear to be correct and all the LPFplug-ins are in the correct position.... The LPF socket on the transmitter can be empty? Correct???

Touching a soldering iron to both sides of each pin might be a good step, but be careful that you do not lift a solder pad. With the CPU and LCD unplugged (and power off) you can use an ohm meter to

Thank you Arv. I had to desolder my right angle header pins that connect to the front panel PCB since I soldered them wrong in the first place and they're not in the best condition right now. Would a

Rahul Sounds more like a problem with the connections between CPU and LCD (LCD failing to get initialized). Arv _._

Thank you all for keeping the information coming. I will tidy up this thread and repost everything in one message on August 19, 2020 Any last minute updates? -- 73, Bernie, VE3FWF (most typos in

Doug do you have all your jumpers installed in the correct positions on the LPF board. Vernon On 2020-08-18 15:18, Doug wrote:

I built a QCX+ 40 m. At first it did not boot but thanks to helpful troubleshooting tips provided by the community and rechecking my solders it suddenly worked out of nowhere. Sometimes it starts

I'm part way through my 40m QCX+ build. Have any additional construction hints been collected in the past few weeks? I'm wondering if there is an "official" construction hints list. The build is

YES! It was a bad connection between the barrel adapter and the PSU. Thank you amazing community