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my understanding is the rci8719-97 is the same as the mb8734 (pin 10 disabled) it will still do extra channels just 127 or so (forget how many exactly if you use the 1/2 vco mod in the "poormans" mods on it in other words with stock crystal with stock binary codes more down than up channels as...
fairly old news now leapy..
yes it is the urkaine board however other than him claiming he built it and recenty him claiming he got them from china after being called out on it on other forums and facebook
(why would anyone buy it from china when you can buy direct off the man in the former...
ok you win!..the best myth i have heard this year award
no having no element (slug) in a bird will not do that not possible to do that damage
edited because my stupid computer spell checker has gone mental
well in my 40 tb+ of mod files and pics i have taken over a 30+ year span i found the pic i took the day i modded the radio ..also a extract of the email he sent to me (bear in mind english is his second tounge )
"remove C110 (39nF) (sometimes not there ) and, if assembled, C127 (0.47uF).
This...
maybe same for 639 as for the other radios they dont have the same circuit so a moot point
if i feel bored in the next day or two will take a pic of the part of circuit and the actual part to change
mike
one thing i will say is his pdf file lacks a important change that needs to be done to fully get advanage of his pll module ..
when i did ours the radio had weak rx/tx down the 26mhz range (no amount of retuning would fix) and its all due to a bandpass filter block thing you have to take out and...
i think you have other issues ..the ts50 has a fine am receive you may have issues with the radio (internally) or the people you listen to have jerkulated audio..listen to some shortwave am stations with filter wide and nb off and aip off ..VOA would be a good one to listen to or BBC ..if...
sorry not ck but turn the NB off and the AIP on ..if you are listening to the bowl ..those wide signals "hifi" :whistle: screw with the nb and really on am they work better with AIP on ..from experiance
alos most strong signals ove s8-9 will cause the nb to distort the received signal...
most hf ham radios (not 10m mono band radios) use one sideband+carrier and are limited to the bandwidth of the ssb filter on tx (unless it has a seperate am filter in the first I.F in the more expensive hf radios)
if it does not have a am filter the ssb filer is too narrow for decent am hence...
contests with standard 5/9 reports is not a qualification by any standard sorry
love to see some one apply for a job saying they got dxcc lol
popcorn ordered
diagram for somerkamp 340 is very close to what the 1-642 is
to expand the channels forget any of the rubbish you read on the net go to funkservice and get the somerkamp 340 conversion pll from him..i have one in one of my 1-642 units ..3 export bands +nz40 (four bands) + 5khz up and +10khz...
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