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 Post subject: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Wed 10, 2012 6:36 pm 
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Joined: Oct Wed 10, 2012 6:08 pm
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I Was Lucky To Have The Chance To Purchase 1 Of 8000 Of These Consoles.
I'm Only The 2nd Owner & It Came With All The Original Papers From The Guy Who Brought It In Chicago For $795.00. My Problem Is The Power Amp (RS 123). It Has All The Right Tubes But Is Missing Something (Pictures Show The Empty Spot). There Is No Mention Of What Was There Unlike The Tubes That Are Listed. It Just Has A "O" In That Spot (From The Label Inside The Console). The Thing Powers Up Bigtime, Very Loud Humming Like Its Gonna Take Off To The Moon! The Phonograph Does Absolutely Nothing & I Haven't Checked The TV Yet. Would Anyone Know What The Missing Piece Is From The Power Amp?


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Wed 10, 2012 7:26 pm 
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Location: Kitchener Ontario Canada (left UK 2007)
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Is this it ?

If so i like the look of that unit.


(picture from radio museum)

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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Wed 10, 2012 7:31 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 3707
Location: Woodinville, WA USA
Don't plug it in any more. You might ruin parts that would be expensive and hard to find.

Every electronic device that old needs routine service (especially, capacitor replacement) before it will be safe and reliable to use. The old parts deteriorate with age whether or not the set was used.

This article has some advice about finding a repairman qualified to look at your old set:

http://antiqueradio.org/howfix.htm

As noted there, I'd begin by contacting an area collector club and asking for a recommendation.

Unless you have previous experience repairing vintage tube radios & TVs, I would not recommend this as a beginner's project. If you do want to try fixing it yourself, I recommend that you get a simple tube radio and try fixing that first. This link has some useful articles if you want to try that route:

http://antiqueradio.org/begin.htm

Regards,

Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Wed 10, 2012 7:33 pm 
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Joined: Sep Fri 07, 2007 2:27 am
Posts: 2666
Location: Appleton, Wisconsin
Sailor729 wrote:
(Pictures Show The Empty Spot). Would Anyone Know What The Missing Piece Is From The Power Amp?


What pictures?


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Thu 11, 2012 3:49 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 5676
Location: Redlands CA
I'm going to guess it's a Filter Capacitor that's missing, the "O" is just a circle used to illustrate it.

Is the hole square with four slots around it, or a Phenolic washer with the same square hole riveted to the chassis?

A missing Filter would also cause the hum, though as Phil said all of the capacitors need to be replaced before this set is safe to watch, It's a very complex chassis and definitely not a set for someone with no experience to attempt.


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Thu 11, 2012 2:26 pm 
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I wasn't going to say anything, but, I have that set in a blonde mahoganny case. I'm in no hurry.......
I re built the radio, and, amplifier. I had major problems. Radio band switch had gone bad, needed major repairs, the amp had open power resistors, the speaker had an open field coil.
It dost me a fortune to finally find a ggod original replacement spkr. for it.
Got radio playing. Haven't touched phono, yet.
Replaced on bad control on tv without even doing anything else. Resistors in box are bad, and, chassis had spat out a ton of tar.
I think filter choke is also shorted.
This set had a disator. I seem to gravitate to that kind of set.......................
I've been working on sets since a teenager, and, I'm hereto say one thing......................
H-----------------------E---------------------------------L---------------------P-----------------------------------!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Bill Cahill :oops:

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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Sat 13, 2012 10:25 pm 
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Joined: Oct Wed 10, 2012 6:08 pm
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Thanks For All Your Advice Here Guys!
I Did Try To Post Pictures But They Just Didn't Take...
The RCA Was Brought By A Gentleman From Chicago In 1947. He Was The ONLY Owner. I Have All The Original Paperwork.I Decided To Set Sail From It...Not To The Ocean But To The Bay. But Hey, I Found A Great Art Deco Working Jukebox That Plays 78's To Take Its Place!


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Sat 13, 2012 10:57 pm 
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Joined: Nov Thu 08, 2007 2:44 am
Posts: 2177
Location: Worcester, Mass.
Sailor729 wrote:
Thanks For All Your Advice Here Guys!
I Did Try To Post Pictures But They Just Didn't Take...
The RCA Was Brought By A Gentleman From Chicago In 1947. He Was The ONLY Owner. I Have All The Original Paperwork.I Decided To Set Sail From It...Not To The Ocean But To The Bay. But Hey, I Found A Great Art Deco Working Jukebox That Plays 78's To Take Its Place!


Open up a Photobucket account, transfer your pics to there, and post them from Photobucket to ARF.

It's easy... 8)

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Worcester, Mass

"Repairs/Resto's of Early TVs & Radios a Specialty - Just PM Me"


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Sun 14, 2012 6:21 pm 
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Joined: Oct Wed 10, 2012 6:08 pm
Posts: 4
I Have It Listed For Sale.
I Figured Out What Went In The Empty Space Of The Amp...
When I Put The Amplifier Back & Started Putting All The Wires Back Together, BINGO, It Was One Of Them!
Many Pictures Of The RCA On Ebay. Check Them Out There


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Sun 14, 2012 7:21 pm 
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Joined: Mar Mon 02, 2009 11:48 pm
Posts: 2877
Location: 97381, USA
Here are some of the pics I pulled from ebay. Nice!

http://www.ebay.com/itm/1947-RCA-Victor ... 3ccb8c6a37


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Mon 15, 2012 3:47 am 
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Joined: Nov Thu 08, 2007 2:44 am
Posts: 2177
Location: Worcester, Mass.
Buy it. No question. Unless it goes for a ridiculous price, which is doubtful.

Most collectors prefer small TVs. But, I for one would buy it. 8)

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Lee

Worcester, Mass

"Repairs/Resto's of Early TVs & Radios a Specialty - Just PM Me"


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Mon 15, 2012 4:08 am 
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Joined: Nov Thu 08, 2007 2:44 am
Posts: 2177
Location: Worcester, Mass.
I just noticed that cabinet has some Major League scarring on it's side.

Hope you are good with refinishing/repair. 8)

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Lee

Worcester, Mass

"Repairs/Resto's of Early TVs & Radios a Specialty - Just PM Me"


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 Post subject: Re: 1947 RCA Victor 641 TV Radio Phonograph
PostPosted: Oct Mon 15, 2012 4:13 am 
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Joined: Mar Mon 02, 2009 11:48 pm
Posts: 2877
Location: 97381, USA
I don't have the money to buy this but I would in a heartbeat if I did. Very nice condition and a great piece of TV history. I hope it goes to a good home.


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