Sandbagger
Administrator/The Boss
Posts: 6,250
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Post by Sandbagger on Feb 19, 2011 20:38:20 GMT -5
This photo depicts a blue colored multi connector bus that looks to be re-soldered but the same "neck bolt" tech named Frank his last name Stein , lol It looks as if a large barrel red hot solder tip was smashed into this delicate little pin connector. It is located directly behind the front radio face and joins the vertical face board to the horizontal large main board via many small wire leg's running thru the blue connector ( my amateur description). You can see the date March 31 1978 embossed into the board along with the name "Stoner" made into the metal trace on the board, as each board, even the small board in the earlier photos also has the date embossed into them. Remember kids , if Your daddy drives a pick up truck with no doors on it don't let dad try to fix your highly collectible radio with his wire feed welder, also remind daddy that chewing tobacco juice is not solder flux, lol. That's just painful to look at. But you would be surprised at how many so-called "techs" solder like that.
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Post by SteveInOregon on Feb 19, 2011 20:58:05 GMT -5
When You say "tech's" as in someone pays guy's $ to do this
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Post by rifleman on Feb 19, 2011 21:18:02 GMT -5
Steve... These photos are breaking my heart !!!!
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Post by rifleman on Feb 19, 2011 21:44:58 GMT -5
OK... First, did you download the missing schematics from the site mentioned in post #16?
You will need them.....
Photos #1 & #2... Those solder blobs may be hiding burned off circuit board traces.
Photo #3.... Oh Geesh... They are the correct transistors (if the idiot did not switch them around for some stupid reason). Q521 is the driver, and is supposed to be a MRF476. Q520 is the final, and should be a MRF475. Remember, with these, and the power supply transistors, ONE mica insularor chip and heat sink compound MUST be used between the transistor and the heat sinks. AND just tighten the screws SNUG !!! Do not over-tighten them !!! Making them too tight can deform them, they will not be sitting flat on the heat sink, and they will overheat.
Man... I don't like the looks of those burned and melted coils !!!!
Photo #4... OMG and UGG !!! It looks like the original multi-turn clarifier pot has been replaced with a different type. The original clarifiers had a terrible loose feel to them... BUT, I hope the one he put in was a decent one !!!
Well Steve, if you get this all straightened out, I am sure you will get a big round of applause from a lot of people on this forum.
Good luck man !!!
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Post by SteveInOregon on Feb 19, 2011 23:46:36 GMT -5
Yes I downloaded the schematics You were nice enough to post for me, my tech friend was realy in need of them.
Good to know the finals are the right stock numbers.
I am lucky as my CH38 LSB friend #10 lives right down the road is a professional computer tech & flat screen repairman. He is also a very good amateur hobbyist radio service tech, his number 1 past time is rebuilding old CB's.
He happens to be ultra picky about quality, very analytical, and patient when it concerns repairing things ( perfect qualities in a repair radioman )
He does all the alignments, mod's and repairs to my CB's and HF gear.
He took a near basket case Kenwood 430and now it's a real runner, if you ever looked under the hood of a Kenwood 430 its packed tight with goodies, lol.
When he saw my Stoner up close in person he , like I was fascinated, he for its unique features , layout and quality and me for its fine TX & RX & rarity and uniqueness.
So "He" will be doing the handiwork, I will be the gopher and clean up boy, lol.
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Post by rifleman on Feb 20, 2011 13:11:35 GMT -5
Well, get your fingers in there also...
Screw a few things up...
It's the best way to learn... LOL !!
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Post by SteveInOregon on Feb 20, 2011 19:07:10 GMT -5
Oh ya, I stand over his shoulder as he wears his binocular magnifying goggles and holds his Weller solder pen.
Why just thee other day as I was bothering, ahhh I mean helping , lol , helping him with a linear amp I would say stuff like "Gee what is that thingy" as I point to it and touch it and he would say's " Get your dam hands off that you idiot that is a high power cap and the high power AC transformer, do you want to kill yourself " !!!! ;D
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Post by rifleman on Feb 20, 2011 19:12:30 GMT -5
Your new handle !!!
"Gee what is that thingy" LOL !!!
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Post by rifleman on Feb 20, 2011 19:16:08 GMT -5
I have been shocked many times, and it has not effected me any.. Attachments:
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Post by SteveInOregon on Feb 20, 2011 20:06:37 GMT -5
I have been shocked many times, and it has not effected me any.. Why did "Coroner" come immediately to my mind, as in dead body carver, when I look at the get up you are wearing , lol. I did know a guy on CB 19 in San Diego, his handle was "Undertaker and he really was a funeral home director, lol
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Post by rifleman on Feb 20, 2011 20:24:42 GMT -5
I have been shocked many times, and it has not effected me any.. Why did "Coroner" come immediately to my mind, as in dead body carver, when I look at the get up you are wearing , lol. I divide my talents between Coroner and Proctologist !!!
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Post by SteveInOregon on Feb 20, 2011 21:55:55 GMT -5
Ok back to our regular TV program "Stoner Hospital" !!!
Dr Rifelman comes back in to read Mr Stoners chart and sees
On the little power board I have four , three leg / pin transistors.
The two "horizontally" mounted out ones are 1) MC 7815CT & 1) MC 7805CP
The two "vertically" mounted ones are 1) M 652 MJE 3055 & 1) EGC 182-P 312 185
My question is are these the called for stock "thinga-ma-who-zits"
One of Your last reply Dr Rifleman said "both" of them should be MJE 3055's ?
What about these other two horizontally mounted ones with the longer numbers are they stock ? or just something Frank Stein pulled out of a Radio Shack space patrol walkie talkie as he was thinking to himself after a six'er of Lucky Lager > "Well hell they got them three lil legs on em, so these lil bad boys must be ok in this ol Stony ray-did-e-o, Ill just weld em on in , kick the tires and light the fires , ye haw"
Seriously , Dr Rifleman , are these four what is called for ?
PS: We gota start talking guns, as I just bought a Winchester high grade-fancy 45-70 , I'm gona have it re-chambered to 50 cal
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Post by rifleman on Feb 21, 2011 1:09:06 GMT -5
Why would you want to ruin a beautiful 45-70? The only time I dropped a buck dead in it's tracks was with one. Oh well, to each their own..... I probably messed up reading the schematic (I am an old fart). If the (2) "horiz" ones (the ones that were screwed down to the chassis, and have the blobs of solder on the board) are the ones starting with "MC", then they are 3-pin positive voltage regulators IC203 & IC204. IC203 is supposed to be a MC7805 5 volt regulator, and IC204 is a MC7815 15 volt regulator. So I guess they are correct. The VERTICAL units on the board are Q202 and Q203 (NPN silicon switching transistors). It shows on the schematic that they should BOTH be MJE3055's. I cannot find a reference for the one starting with "EGC". It may be a replacement. Take a look at the board underneath it to see if there are traces of the crappy soldering job on it. Also, is the "EGC" one a different shape than the othe vertical one? If so, it may because of different heat sinks for them (that "U" shaped metal on the board) The two Stoners I had have a different heat sink on one of the vertical transistors. See the photos. Attachments:
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Post by rifleman on Feb 21, 2011 1:12:11 GMT -5
And here is the other one.... Attachments:
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Post by SteveInOregon on Feb 21, 2011 2:30:58 GMT -5
Great, Did you archive these photos, because You speak about Your 2 Stoner's in the past tense ? Take a look at this 50 Alaskan "Thumper" this is my stock rifle after Mr Turnbull got his magic hands on it. My 45-70 is not a vintage, rare or one of a kind, it is s-w-e-e-t, but after Mr Turnbull works it over it jumps up into the VERY unique very high quality very custom category. www.turnbullmfg.com/store.asp?pid=20628Who can say no to sitting at your loading bench on a rainy day with the CB on in the background rolling custom 50 gauge Churchill stogies that go BOOM, You can't blame a Griz bear or Meth zombie for dying quick once you tap em with a Thumper, lol The ONLY reason to modify a real good semi custom is to make it a GREAT custom. I digress, It seams that the small board and finals with some of the bitty parts around it will be a snap for my repair tech friend, as for the blue color bus, well *sigh, we hope that has not been killed by the previous owner Mr Lucky Lager looser and will pass muster once fired back up.
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Post by rifleman on Feb 21, 2011 12:27:01 GMT -5
Beautiful Rifle !!! Most of my higher-end radios I have sold on Ebay over the last few years, and I have kept the photos. Here is a CPI CP400... Attachments:
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Post by SteveInOregon on Feb 24, 2011 18:53:58 GMT -5
Cool, say would you have any more internal photos of the Stoner's or CPI's?
cheers
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Post by rifleman on Feb 24, 2011 20:29:11 GMT -5
Email sent of the INTERIOR photos I have...
I also have EXTERIOR shots of some of their accessories...
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Post by SteveInOregon on Feb 25, 2011 20:12:10 GMT -5
You dont say ? You have photos of the accessories , not only exterior but shots of the gut's of the monitor scope, meter, speaker, ham band unit ?
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Post by rifleman on Feb 25, 2011 22:05:42 GMT -5
Steve, I only have exterior photos of CPI accessories.
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Post by SteveInOregon on Feb 26, 2011 0:07:43 GMT -5
Exteriors are good, if you have the time to shoot them to me, as I am buying a bucket load of CPI gear from 2 different sources and good clear photos wold be nice to compare cosmetics with.
Thee only CPI accessory I don't have coming and wold LOVE to find is the monitor scope.
I do have "2" CPI HF 150 linear amp's coming "winks"
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Post by SteveInOregon on Feb 26, 2011 14:21:55 GMT -5
UPDATE: Well we took all the boards out of the Stoner, all 4 boards out, so we could look at the bottom traces, and take out those partially melted, honky-tonk wire jumped Blue colored 10 pin socket buses.
( there are 5 boards total, one tiny long vertical front face board , one of two vertical front face boards is still attached to the IC chip board , this small vert board is the red LED freq counter board , it has the most integrated board to board electrical traces, luckily this is ok.
Back to the main issue for now, NOTE: We already cleaned up the small volt regulator power board and are going to install new volt regs.
Now we are onto those blue colored buses that are used as modular connectors, joining the larger of the two vertical front face boards to the main boards.
These two blue colored connector buses attached to the main analog RF board to the larger ( of the two ) vertical front face boards t, the larger one that has all the knobs, volume, squelch et al connected to it.
Those blue connector buses are a great idea, in their original form the two separate blue 10 pin buses each have 10 pins sticking out of them and allow you to slide in & snap together each board, not only mechanically but electrically as most of the pins joins an electrical trace.
We do not wish to hunt down two exact or equivalent substitute 10 pin bus connector's and so we have eliminated the old trashed buses, cleaned up all the traces, checked for broken cold solder joints and now will incert ( solder ) jumpers in each of the 20 open trace circuits thus re-joining each board together again.
On the Stoner there is a bottom board and a top board " and" a gold anodized aluminum floor between the two whcih they are both attached to.
There is no no one double sided board with all components attached to both sides , there "is" two boards with components in the top of each board .
What you get as an analogy is a two story building with a floor for the top story , which happens to be a ceiling for the board ( apt ) below.
Digressing: My friend has a neat little home brew Cap checker, he can check capacitors while they are still installed without having to clip them and take them out, and so every cap that is bad has already been replaced ( 4 were bad ) , one was a very large one right next to the transformer.
Sine this is not loger a "virgin" radio, I am going to do the upper freak mod as one of Rifleman's Stoners had done to it ( go back and see the photo with explination in this thread ) CB Secret has the mod all laid out, plus CB Secret also has the Duplex and Open Clairifier TX / RX mod drawn out in detail.
I am going to do the open TX/RX mod to this Stoner, so I cam monitor the TX freq seperate from the RX freq.
Special Note: I have very carefully taken the little "paper" square black label that says STONER 396 that the light shines through, then through the red pleciglass , I have tanken it out and put it into safe keeping , and now I am going to have an almost exact size and font copy made that says , I haven't decided yet but ether KF7ARG my call sign , or STEVE # 396 in place so when You turn in the radio this my new personalized wording will be seen, lol.
I am re-staining the wood sides, polishing , cleaning etc.... while my friend is soldering all the detail work.
This will be a "keeper" no future sale ever, by the time I die of car crash, cancer or coronary, lol I "WILL" have every accessory made attached to this sweet side band'er.
The only ssb-cb's I will NEVER sell are my CPI "mobile" and my Stoner base, everything else ( even the CPI base ) better treat me right or hit the road , lol More photos of restoration coming soon, to a CB forum near you
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Post by rifleman on Feb 26, 2011 14:29:25 GMT -5
21 photos sent to you.
Most likely will take a little time to download them... LOL !
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Post by rifleman on Feb 26, 2011 14:42:38 GMT -5
As far as NICKS on the wood sides, you can get different shades of wax wood repair "Crayons" at larger hardware stores. Just try out the different shades on the bottom, more hidden parts of the wood to see what shade works best. (lighter is always better than darker)
I would reccomend on the wood sides to first try some "Mop & Glow" floor finish.
I have used it on my D201's, it does a great job, and it is not permenant like stains.
There are a lot of tricks to PHYSICALY cleaning and restoring these radios. If you need any more tips, let me know.
Here is some of the junk I have restored over the years....
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Post by rifleman on Feb 26, 2011 14:56:24 GMT -5
Palomar Skipper 300...
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Post by rifleman on Feb 26, 2011 14:57:23 GMT -5
Amp Interior....
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Post by rifleman on Feb 26, 2011 14:58:11 GMT -5
Sonar FS-23...
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Post by rifleman on Feb 26, 2011 14:59:24 GMT -5
And a Tram Titan II Interior...
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Post by rifleman on Feb 26, 2011 15:04:42 GMT -5
And Tram exterior...
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Post by SteveInOregon on Feb 28, 2011 0:06:55 GMT -5
Ok folks, this is the Stoner once we have taken it down to its constituent boards, and now you see we have taken the melted blue colored 10 pin connector buses out ( two of them now gone ) cleaned up the board traces top & bottom and installed clean wire jumpers in place.
The blue 10 pin connectors were a good factory idea as they allow the radios vertical face and horizontal analog FR boards to be joined together in a modular click / snap/ plug together installation and take apart.
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