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Radio Make and Model: Superstar 3900EL
PCB Number:
PLL Number:
Test gear available: normal tester
Symptoms: No FR power only 1 watt instead of 10 Watts

What is working: everything else

What has been tried: not had covers off yet

Did it suddenly happen ?: not used it in a couple of months but it was ok before
Anything else that may be of help?: I've been told that if you don't unplug the antenna when there is thunder something breaks even when not in use could this be the problem, also not sure in the receiver is ok or its just quiet at the moment

Hi Dont know if this is answer is any use to you anymore m8 but i had the same problem the fix is quite easy on the component side of pcb rear middle you will see a small rectangle board held in with six small pins just apply a small solder to the board and pins that should fix your problem hope that helps ps i can send you a pic i you want just pm me

Don't know if it's the same radio or not but I've just had a radio in for repair from Cheshire baught cheap because it only had 1w of output and came with the same story about the thunder.
The final MOSFET had gone caput, a quick fix.