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The schematics you will need to complete the steps if you choose to do so will be the radio's final section change to mosfets and the schematic of RFX75. http://www.cbtricks.com/miscellaneous/fet_papers/mosfet_conv/graphics/6900xxx_am_fm_mosfet.pdf...

WARNING WARNING WARNING DO NOT ATTEMPT TO TRY WITHOUT READING COMPLETELY FIRST. To chrlkeaton: I have done what you are looking into. It depends on your skill as a tech. If you are pretty handy with reading schematics and a soldering iron it isn't that hard, but if you are not good with...

Do you have another radio you can hook up? If so listen to the 3300 and see if it xmits in the same room and if you have audio and carrier. If the other radio rcieves these both i'd try to replace C166 in the final antenna area. It is a 102 (1000 pf) cap. this may not be it but its worth a try.

how to fix what i have done in a similar situation is contact the better buisness bureau at, United States and Canada BBB Consumer and Business Reviews, Reports, Ratings, Complaints and Accredited Business Listings register a complaint i hat to with a scam another supposed reputable dealer...

fatboy sells parts packs(kits) everything in there except pills(rf transisters) no instructions either and pills are cheaper at westgate labs . but rf parts are the only people who match beta gain in the U.S. good luck

radio shack has a mosfet that will work in a pinch actually radioshack has a irf510 they stock, and if u know how to put in erf 2030 or irf520 its not as good as a irf520 but will work about $2 and you can go to cbtricks.com then mosfet expirementers info copy and build the erf1230 and you...

more on dis dead horse It is a Scout because elkin's used 1625 & 12dq6 tubes some 6dq6 but the frame is the same and the guy's name who built ESC amps was Ray Felts in elkin NC still fixes radios although his son is now doing most of the work(fact). I had a cb shop for years here in WV then in...

finely some one that don't read a misprint and keep going with it the mic limiter is tr 32.

linearone great answer and as far as fatoy 2 piece base amps supply goes i seen a 10 pill 2x8 using 5800 uf for 280 amp supply it eventually allowed ac hum across the lines and fizzled out. it was sad that a friend paid so much for this device through a reputable shop that sells lots of these...

its not often i need or ask for help but this is the time for both. cb tricks was crashed on the 25th but most probably know that. i need the instructions for putting in rfx75 in cobra 25 i would like the .pdf but would be glad to get written instructions for install just aswell. thanks in advance.

and plenty of soviet surplus out there. if you know what u r doing go with them.

is this a old 2970?

cold solder joint probably around the 10.240 osc.

just postin for a bump to my original ? which was does any 1 know the part # that isnt the ekl in house # ? i am getting 1 of these and i am going to try a few different parts i think will work because there could be some good apps for this part besides what they are offering. thanks in advance.

no offence # 15 but you need a new meter

my ? is does any 1 know what the real fet # is, and not the ekl in house part# . ive been doing comparison on many fets and there are soo many to look through and always something that dont fit the spec for the 13.8 volt thing or too high input cap or to high rds just always something that just...

there is 1 thing no one has said here and that is that there is always e-bay,ham fests ,and estate sales and last but not least soviet tube mods and replacements.

i think u will be fine . i would remove tr32 myself but thats me. i would also put the radio on ssb abd adjust the bias to the driver and final for max ssb power

if thats not it i would check the bias variable resister and thermal diode on both 1306 and 1307

if one was to attempt using fet outputs i would use the mitsubishi rd16hhf1 because the leg would be lined up with the mrf 497 . as well as the rd16hhf1 is an actual rf output insted of a switching fet . it would be simppler to install in the radio. but i would use a sd1446 before the fet for...