RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

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RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 8:51 pm

Am I nutz???
Just won this gem on e bay.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&_trksid=p4340.l2557&rt=nc&nma=true&item=200582690946&si=ODFBSX7469eKgogfC7Q4yCCW2gU%253D&viewitem=&sspagename=ADME%3AB%3AEOIBSA%3AUS%3A1123
I'll be picking it up in about a week.
Bill Cahill


Last edited by Bill Cahill on Sun Apr 07, 2013 10:21 pm; edited 3 times in total

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 8:53 pm

That was the beginning. I posted that last year in another forum.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 8:57 pm

Ouch.... Sad Just picked up set today.....
Sad It may be beyond repair.
Table. Veneered. Most internal veneer missing.
Missing chunks of outside veneer.
Legs wobbly.
TV No back. Veneer chips.
Very bad rust on entire chassis. Rust on hv cage, and, power transformer...
One tube missing, and, socket badly corroded.
I found what was left of the original ion rap. It fell apart, and, part of it turned to dust.
Set is filthy. One back control badly dammaged. Rust on front controls. Speaker has a hole in it. Grill cloth is toast....
Don't yet know condition of picture tube.
Finnish on outside of case is shot.
It was a beautiful walnut case used to be beautiful.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:00 pm

Dismantled set tonight. Picture tube is a rebuilt. It checks good, except the needle won't go all the way to 0. Is that gas?
Even won't when I cut filament voltage.
Checks 700 on BK 667.
Excellent life test, good cutoff. Took 40 second to go near 0 on life.
Acqua dug is flaking off.

Front to middle of chassis is filthy, no rust.
Back is rusty.
Ion trap is toast.
Speaker, outside of one rip, is still good....
Tuner detent is broken....Fine tune belt is broken....
One radio knob is missing....

MY OPINION has changed. Now looks repairable.
I know one rear control is toast....
If I were to guess, a nice shorted cap killed that.
I think it may be salvageble.
Bill Cahill Smile

Just not sure why pix tube is acting funny.

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:01 pm

Problem solved. Didn't notice, but, meter movement was slightly off. Adjusted it, now tube checks great.
Bill Cahill Very Happy

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:03 pm

Looked at bottom of set today. Nothing trustworth, but, I see evidence that alot of work was done to keep it playing. This set is mostly filthy with dust, and, cigarette smoke.
It's gasping from nicotine...
I'll bring it back to life.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:05 pm

Looked at set today. The hv section has some rust. Not good. Worse, the resistor on back of chassis is solid rust, and, corosion!
Definately not good.
That seems to be the worst of the dammage. 12AU7 socket may also be toast.....
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:06 pm

Tisk, tisk.
Found the original reason why they gave up on it....
The resistor bank on back of chassis had shorted out, and, explloded on both sides, and, middle. It is charred black, and, has a blow hole in the middle.
Can anyone help me find a good one?
There is some rust in hv secion, including on flyback, but, may not be serious......
I'm also missing the part of the raido that attatches to dial cord. It should hav e pin that fits into a matching socket on dial pointer on front of cabinet. Can anyone help me?
Also need a back cover for it, and, one of the radio knobs.
I'm going to repair the veneer with veneer from table, then, re veneer table.
I'll be repainting hv cage, and, power transformer....
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:08 pm

Here are some pics of how set sits now........










As you can see, there are burn spots on the back of the resistor. I haven't checked it yet to confirm the dammage. Notice the rust in hv section, but, it isn't all that serious.
This set is filthy.
Back top of chassis is very rusty, and, 12AU7 wafer is all white with corosion, and, dry mold.
Don't know actual condition of anything, yet.
These are just early pictures.
Bill Cahill


Last edited by Bill Cahill on Thu Feb 16, 2012 2:36 pm; edited 1 time in total

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:11 pm

I'm going to start looking for parts for this old gem. First, I'll check power transformer, and, finnish cleaning set. I also have to confirm resistor had blown.
There is at least one pot not working.
HV section needs major cleanning, as other sections do....
Picture tube is good, but, needs re coating.
I need to find two radio parts for it, and, a back cover. I have to re paint hv cage, and, top of power transformer.....
Wish me luck, guys.....
I'm a gonna do it. Slowly, but, I will do it....
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:13 pm

I've found out all I need to find lut for now. There is a list of parts I need.

All 3 back controls. One was burned, and, fell apart inside.
One shorts while turning.
One checks o.k., but, is making a crunching sound.
Back mount resistor bank. Burned out.
Looks like the one control, which has one side going to B- was the culprit. It burned, shorted to chassis, and, apparently, overloaded power supply...

Flyback. Dampness dammage.
Horiz. lin. coil. Dampness dammage.
Vert. Hold, horizl. hold controls. Bent shafts.
Maybe 5U4 socket. Acting funny on resistance measurements. May be intermittently shorting to chassis.
A couple of unused black pins.

Electrolytics, caps., resistors. Power cord.

I re painted power transformer after rust removal.
Most of the chassis was dirty enough to prevent rusting.
TV tuner has a light layer of rust, as do tube shields.
Tubes were FILTHY.
That's all I'm doing on this chassis until I start finding parts for it.
I have two tv's to catch up on,, and, other projects.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:15 pm

Great news!!
I have what's left of a 9T240 chassis. I checked, and, resistor on back, and, flyback are exact replacements for the ones in this set.
I still need two controls on back. They are missing on the other chassis.
Vert. out. transformer is also different.
Didn't look up yoke, yet.
But, resistor bank, and, flyback are exactly the same!
Bill Cahill Very Happy

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:17 pm

Well, today, and, just finnishing 30 min. ago, I stripped two junker RCA chassis's.
One, a rusted out 9T246. Other a 9T240. The later had the correct replacement yoke, flyback, focus control, width coil, and, chassis resistor. I also think the horiz. osc. coil is the same. These I will use in this set.
It also has a good tuner detendt for this set.
I'll then be short on 3 controls. after I get those, I will be able to rebuild the set.
Looks good.
I have some controls for the trashed 9T246 I'm rebuilding. That original chassis sustained alot of rust dammage in bad storage someone had it in a rental storage. Looks like it develodped a leak.
Entire hv section was trashed, along with two of the back controls.
I had that set playing 5 years ago. I had re-capped it, and, rejuved electrolytics. Two weeks later one can failed. I never got around to finnishing it. He wanted it, so, reluctantly, I traded it.
I have it back, and, have alot of work to do.
I had an incomplete chassis with a good hv section, so, I stole parts from it.
That's all for now.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Jun 12, 2011 9:21 pm

Just got more great news!
I have an extra chassis from a junked 641 set. That has several needed parts. It has the correct bightness control for my 630, and, correct horiz. hold, and vert. hold, plus, correct height, and, Lin. controls for the 8TR29.
I will need to check all these parts befor installing them, of course, but, at this point, it looks like things are looking up for both this set, and, my 630. Still have problems getting correct power supply resistors for that, and, my721 sets, however. The resistors in 641 are totally different.
Yoke from 9T240 is also an exact replacement for the one in the 8TR29 in case that one is ruinned.
I'd definately say things are looking up on chances of bringing this old gem back to life.
Also, if worse comes to wors, and, transformer is toast, the one from 9T240 appears to be the same, and, that set had low milage. In fact, it had most of the original tubes. If they are good I'll likely put them in this set.
Well, in the months ahead, as I get electrolytics, I suspect this set is going to see a new lease on life. Next step? Repair cabinet, and, stand.
Very Happy Very Happy Very Happy Very Happy
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Mon Jun 13, 2011 12:19 am

Reimvoed old hv supply tonight.
Alot of corosion all over the place..
Bill Cahill.

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Mon Jun 13, 2011 12:34 pm

I've now replaced entire hv section, including both halves of cage, all chassis screws, Yoke bonntet, all screws for same, cleanned replacement bonnet, I've discovered that focus coil wires are rotted, and, have re-installed tubes in hv section.
I have much to go yet.
rear controls, Power resistors, tuner detent, tubes, capacitors, electrolytics, power cord, ion trap, etc.....
Long ways to go before first power up, but, I have it alot better than it was....
Bill Cahill Very Happy Very Happy

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Tue Jun 14, 2011 12:56 am

Think I've finally found original old replacements for vert. Height, and, Linearity controls. Not focus pot, though.
Cleanned terminals on those, and, replacement resistor strip.
Tommorrow, or, Wed., Il'' start replacing more dammaged parts.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Tue Jun 14, 2011 3:27 am

Further notes... Earlier I thought controls I had chosen were bad. I picked wrong ones. The correct ones turned fine. I removed them from a parts 641.
I have cleanned terminals on them, and, replacement resistor strip. I'll check them on meter, and, if good, install. Then, I replace broken tuner detent, and, next on to normal rebuilding.
I may have some tube socket issues yet.
This set was a real mess.
I know this isn't the approved way, but, the only way I know how. I will be patching, feathering in pieces of veneer.
Case, and, stand will need total refinnishing.
Case, and, stand are walnut veneer, stained in walnut.
I really am starting to like this set....
Bill Cahill Smile

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Wed Jun 15, 2011 1:14 pm

And, here are some pics on how it is now...Better, but, long ways to go.....




































Well, what do you think????
Bill Cahill Smile


Last edited by Bill Cahill on Thu Feb 16, 2012 2:41 pm; edited 1 time in total

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Mon Aug 15, 2011 10:46 pm

I have so far replaced the vert. Height, Lin. controls, back resitors for lv power supply, and, done alot of cleaning. I also put insulators on focus coil wires. Replaced many rusty chassis screws, and, yoke bonnet.
Today, I've started stripping ratty finnish off cabinet, then a piece of veneer broke off. I'll have to glue that back on.
I have selected some used good walnut veneer I hope I can match to it, and, table.
I have a game plan on patching of both.
Where veneer is jagged, I will chisel off the jagged straight, then, patch in replacement veneer pieces.
There's some nice grain on top.I have a good exact replacement spkr. for it from another RCA I junked. I'll put that one in.
I replaced missing tubes in chassis. May have to replace two tube sockets. One the video out. Other horiz. osc.
H V section, and, back resistors came from other junked chassis, which was similar.
Can't take pictures now. Batteries in camera dead.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by andreatanic on Sun Oct 16, 2011 9:34 pm

Keep up the good work Bill.

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Oct 16, 2011 10:25 pm

Thanks. Still looking for some pots for it.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by andreatanic on Sun Oct 16, 2011 10:50 pm

Hi Bill. What pots are you looking for? There is a place close to me that has a lot of nos centralab pots. Probably for almost nothing.

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Sun Oct 16, 2011 10:57 pm

I'll have to check when I'm back on set, or, get the mannual out. Thanks.
Bill Cahill

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Re: RCA Victor -A new dog in the family...... It's Alive!!!!!!!!!!!!!

Post by Bill Cahill on Thu Feb 16, 2012 2:56 pm

Somebody asked me where I am on this set now. I think I will now state where I am.

I haven't touched the set in several months. Hope to again sometime this spring...
Cabinet... Most of main case is stripped of finnish, and, did one repair on veneer. More to go..

Chassis.
Parts replaced...
Entire hv section consisting of hv cage, door, flyback, width coil, hv rect. socket, and, damper socket.

Back resistor, and, it's mounting pieces.
Vert. Lin contorl.
Vert. Height control.

Chores started:
Re painted power transformer.
Did some rust removal.
Repaired wires on focus control.
Replaced some missing screws.

I will likely have to replace the 5U4 socket, the 12AU7 socket, maybe yoke.
Replaced severely rusted "Hood" over yoke
Still have to replace a few more dammaged parts, and, do more cleanning, plus, test tubes.
Then, I can start things like testing ac on power trasformer, and, re capping set.
I have to replace broken tuner detent, and, missing fine tunning belt.
I use O rings for that.
I'll be testing other resistors as I go along.
After all repairs are done, I'll slowly start bringing it up on variac.
This won't be for some time, now....
I have hopes that it will play again.
Oh, yeh. Also replaced dammaged spkr. with an exact replacement good spkr.
Slowly coming along....
Bottom of chassis isn't looking half bad.
By the way, picture tube is good.
Bill Cahill


Last edited by Bill Cahill on Sun Feb 10, 2013 10:53 pm; edited 1 time in total

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