Hello everyone
This's a real sad day for me as my beloved R-4C is dead. It was perfectly working yesterday night while i was listening a local net on 80m but today i can't listen anything. So i checked if tube heaters glow...and they do. I've cleaned the "Mode" switch with Deoxid D5 ...No results. The audio is VERY weak even if the volume pot is full clockwise. I can hear myself while transmitting with a transceiver ( plugged onto a dummy load ) , the S meter needle stand on S 9 even if the transceiver "sit" on the receiver . I can hear myself even if I turn the PTO knob...same as if i turn the transceiver Vfo. I don't hear myself f i switch on a diff band or a Crystal position. There's IS different tonality while operating the passband tuning. Also, while No signal at all, the S meter needle stand on VERY fast LEFT . This both on "On" position or Ext Mute. I checked if any tube bad connection on theyr sockets by tapping one tube at once with a tiny wood stick ( I did it VERY GENTLY ). I was listening through my headset and the "tap" sound came on my ears only with V5 tube, wich is a 6BA6 and it's the last If amplifier. Not a technician here...definately not. Also i know that my english is VERY poor and , for that, i'm sorry. Anyway...as my R4-C is my TOP receiver and always i get Lotsa fun while using it....is there someone who can please tell me where to check to get a chance to repair it ? I have other receivers but... Oh right, my R-4C doesn't have ANY of Sherwood modifications. Thanks in advance de Adrian, iz3svi
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