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I didn't receive the email.? Please try again.? ko4nrbs@... I have been looking for a broken wire, etc. but haven't found anything yet.? I do agree that something is preventing the RF from

I did it (E-Mail) with two high-resolution pictures of PCB to show the signal path through the AT. I guess, that a wire is broken at the input, perhaps the wire through the binocular has bad

Can't find any PMs on the Group.? Send it to my email ko4nrbs@.... TP1- Tested at 0 volts.R3 and R4 both read 40K ohm. I have the tuner in line with my power meter.? No power coming into the

I sent it to your private mail (PM)...

They came preinstalled and the tuner worked fine for a long time. Bill

Where are the PMs located within the Group?? I searched but can't find them. Bill

hi Bill, I sent you a PM.. look after it! 73, Immo

Hi are the fwd/rev diodes installed correctly, Dave 2E0DMB wrote:

Yes, after saying what version the firmware is and that it's a N7DDC tuner it went to this screen.? When applying RF this screen does not change. I also thought I could use my oscilloscope and trace

hi Bill, looking at your foto, I will ask: get's it stuck to this display, no further change? It normally changes to something like that: If it doesn't change, I guess a problem with the PIC... 73,

hi Bill, last for today... Now you have to make some measurements while applying RF to the AT... I made some pictures some days in the past for a similar case... First: PCB components view: You see

Those changes fixed the OLED.? But the tuner is still inoperable.? No reaction at all when RF is applied. Bill

7805 is ok.? No signs of overheating.? Reads 4.995vdc. Bill

I will have to check.? I will let you know. Bill

hi Bill, what's the power consumtion of the device? normaly not more than 100mA on idle state. Is the 78L05 still alive? not too hot, 5V at output? The relays are powered directly from input

Thank you!!Bill

hi Bill, again me… search for oled: see my post #2658 for part number… they are en masse at e…y or a….n ware platforms… 1.3“ oled 128x64px hope you‘ll get one soon. I stay tuned 73,

I have a second ATU-100 I use in my motorhome.? I retrieved it and plugged its OLED into this nonfunctioning tuner.? ?The OLED would not power up.? No lights at all.? Went ahead and copied the

Anyone got an OLED display surplus to their needs.? I want one for use in troubleshooting my remote ATU-100.? It came without a display because it was bought to use as a remote tuner.? Don't care

I changed the value in cell 05 to 01 but it still won't do anything. No idea what has happened to it.? It used to work quite well. Thank you for investigating this for me. Bill