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Radio Make and Model:President Grant DX PCB Number:PC-999AC PLL Number: Test gear available: Freq,Counter multimeter tone gen, Symptoms:The radio does not rx or tx What is working:It lights up. What has been tried:I have checked all the diods = ok, TR 23,31,32,33,37,36,35,38,39,24,40 checked ok Did ...

I have now change all the caps and mcu/cpu :banghead: But it´s still fixed on 10,69405 Mhz nothing happens when I try to adjust L116 so I tried to change L116 and now I can adjust the freq but not adjust it higher than 10,69405 only lower and the L116 it´s taken from a radio that works (President li...

Thank you Scott!
It was the the CPU/MCU that was blown
So to all CB people that have a Uniden hr2510/2600/2830/Lincoln be careful not to mix the connectors you will destroy the radio if you get them wrong I have tried

Regards Per

Radio Make and Model:UNIDEN President Lincoln. PCB Number:PB-121AC HCT-58NY 94V-0 Cpu Prom UC-1201A Test gear available:Freq,counter,Volt/amp meter,Funk gen,sinad meter,Fm dev/Mod/Watt meter,Dummyload. Symptoms:No reading on the display it's total blank,No TX,No bleep when push buttons,Can not chang...

Radio Make and Model: President Lincoln (HR2510) Year model 1988 PCB Number: Main board PB-111AB PLL Number: PCB PB 121 AC HCT 58 NY 94V-0 Test gear available: F-Counter C57 Symptoms: Off Freq, on USB RIT is standing on 9 clock What is working: Tx Am/Fm/Lsb/Usb/Cw Rx Am/Fm/Cw/Lsb Usb off freq, What ...

I have had a shortcut in my Lincoln and it blown the Bandpass filter (TOKO Y219SBS-344)
and now i have no reception Bandpass filter wanted new or used.

Per Andersson

Thanks Jim,
Then i will go for the 1SS53.

Regards
Per Andersson

Hello there,
I have problem to find diods for my President Lincoln (HR2510) the one I need is MC301
and when I ask "RF Parts" they say use 1SS53.
Is the 1SS53 of the same type as MC301 ?

Regards Per Andersson

Hello there, I have a Rx problem on my(President Lincoln) because I had an accident. I was working to replace the MRF477 to a MRF455 and I had the PB101 AB away and when i was finished with replacement I was ready to put the PB101 back but I drop it and it shortcut between mounts for the PB and D101...

Hello there, I have Rx problem (President Lincoln) On AM and FM the signal meter stand fixed on 8 and the squelch does not work on AM and FM it still comes noice if you try to lock it out. The sound on FM is very crisp and the reception is very poor the signals comes in very weak on USB LSB AM and F...