[AMRadio] Octal Sockets.... more Ranger stuff


Jack wa9nqw at nconnect.net
Sun Oct 22 14:52:31 EDT 2006


Hey Guys,

My gen one Ranger has a octal socket for the two rocks accessible from 
the front panel (under the cigarette lighter plug).

My guess is that, that part is OK.
73,
Jack
WA9NQW
On Oct 22, 2006, at 1:44 PM, Rick Brashear wrote:

> Well, the pictures answered several questions I had.  It has 
> definitely been used with a modulator at one time or another since it 
> seems to have all the transformers and components.  I appears the 
> modulation transformer is completely disconnected from the modulator 
> tubes.  I see you were able to get pin 8 in the two sockets, great.  I 
> can't imagine why the crystal socket was removed and a modulator tube 
> socket employed for the crystal.  Maybe the original crystal socket 
> broke or something.  If you haven't found a crystal socket yet I can 
> send one along with the CD tomorrow.  It's obvious you are going to 
> have to rebuild the modulator and crystal switch/socket sections.  
> Fortunately, there are no obscure parts or super hard wiring 
> considerations in either section.  On the modulation transformer the 
> brown wire goes to pin 3 of the socket of V10, the one closest to the 
> outside edge of the chassis.  The blue wire goes to pin 3 of V9, the 
> other modulator tube socket.  The red wire attaches to the terminal 
> strip on lug 1 (so we'll call it) closest to V9, there will, or should 
> be, a black wire already attached to it.  Sometimes this configuration 
> gets out of phase and you get extremely distorted or extremely low 
> modulation.  If this happens simply switch the two wires going to the 
> plates (pin 3) of the modulator tubes.  Beware of the electrolytic you 
> are holding in the first picture, it is likely defective and can be 
> replaced with a couple of 10 mfd or higher at 150 vdc or more.
>
> Rick
>
>
>
> Jack Schmidling wrote:
>
>>
>>
>> I put 3 pics of the most serious problem areas on my web site:
>>
>> http://schmidling.com/r_mod.jpg    Is a view of the bottom of the mod 
>> tube sockets
>>
>> http://schmidling.com/r_mod1.jpg   Is the way the top looked before I 
>> removed the xtal and cap.  I just stuck them back in for the pic.
>>
>> http://schmidling.com/r_xtal.jpg  Is what the crystal socket area 
>> looks like.
>>
>> Unfortunately, without 3-D, you can't see all the dangling wires. I 
>> guess that is where the pict drawings become useful.
>>
>> I am also trying to figure out how to fool my camera.  Seems like I 
>> lose control when the flash is used no matter what manual setting I 
>> force. It just supplies the light it thinks it needs and always 
>> overexposes close ups.  It's a digital Rebel and I suspect it is 
>> smart enough but I haven't figured it out yet.
>>
>> js
>>
>>
>
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