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@danmcclain - * sigh *.... your little pest is back......
How about CB-91..... looking for the Sears Radio that is in that volume.
Just for completeness... the model number is: 934.36710500.
@danmcclain -
*********** NEVER MIND!!!!!! ****************
The friend had it available and sent it to me.
So I really DON'T need this... I just left it here to avoid deleting it.
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Dan, I hate to pester you so soon... but I'd like to see if...
I am really not sure Dan.......
I have never seen anything like this..... production changes listed in a SAMS.....
are they actually ON the pages like he says?????
If so...... are they something you can copy??????/
Thanks!!!!!!!!!
Dan, I wonder if I could call on you for a slightly DIFFERENT kind of favor????
I am reading 399's great paper on various uPD858 radios and how to care for them.
In one section... he mentions the biasing of the finals in ORIGINAL President and Cobra radios as using a 70 mA bias circuit and...
I have what I am calling a labor of love to do. A few years back a friend of my son Tim (Skip... who owned Outlaws Toy Radio CB Shop) died of a heart attack in his mobile repair van while working on a radio..... parked at home. A short while later... his wife let Tim come over and take...
I am hoping that the attached sectional may be of some help. In that last post I was speaking of "switching the 7.8Mhz that winds up going to the XMIT MIXER".
This drawing is an attempt to give you an idea of what I have stuck in my head.
The BLUE colored path is the Balanced Modulator...
I am actually doing my day job at the moment... but I just had a thought that compelled me to come back here and "blather" some more. None of this may make any sense.... I may be way out of my league here.........
But....
You say that your transmit is off by about 2.8K.
It just hit me that...
I'm dragging up late on this one....
Have you done any "nosing around" in the area of FET7? That is the XMIT Mixer.
Just to verify that the inputs are good, that the voltages present indicate a proper bias condition, AND if the output of that mixer is on frequency??
Just an idea....
I have to wonder what they "MAY BE" doing wrong with them???
Those batteries are used "all over the place" in ham for backup systems AND for portable operations. In all the discussions, videos and talks that I have seen on portable ops with these batteries... I have not heard of one in THAT...
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