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 Post subject: Packard bell RPC-23s no sound
PostPosted: Feb Fri 17, 2017 8:36 am 
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Joined: Feb Fri 17, 2017 4:49 am
Posts: 4
So I just picked up a packard bell RPC-23s console and it turns on, turntable spins, lights come on but no sound coming from the speakers. Took off the back panel and did some digging and the only thing I can see that might be odd is it seems like I'm missing a few tubes for what I'm assuming is a power supply to the speakers (I'm extremely new to vintage radios/electrical work so please excuse my ignorance). I can't add any links for photos right now because I'm a new user and the forum doesn't let you put links in if you're a new user, so I will post a link to pictures tomorrow after I meet the 24/hr requirement.

Thanks for any help you guys can give me.


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 Post subject: Re: Packard bell RPC-23s no sound
PostPosted: Feb Fri 17, 2017 1:58 pm 
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If your pictures are 800 x 800 pixels or less and with a file size of 256 kb or less, you can post your pictures at any time using the "Upload attachment" utility located below the message box.

Dave


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 Post subject: Re: Packard bell RPC-23s no sound
PostPosted: Feb Fri 17, 2017 6:12 pm 
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Joined: Feb Fri 17, 2017 4:49 am
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Got an app that lets me resize photos and here they are.


Attachments:
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IMG_2739.JPG [ 156.97 KiB | Viewed 208 times ]
IMG_2740.JPG
IMG_2740.JPG [ 150.9 KiB | Viewed 208 times ]
IMG_2741.JPG
IMG_2741.JPG [ 117.09 KiB | Viewed 208 times ]
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 Post subject: Re: Packard bell RPC-23s no sound
PostPosted: Feb Fri 17, 2017 6:24 pm 
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Joined: Aug Thu 27, 2009 7:47 am
Posts: 2647
Location: Seattle 98125
Yup. That is the power supply and power amplifier for the speakers.

You are missing the 6CA4, two 6BQ5/EL84, and a 7025/12AX7.

It might work if you just power those up, this is from the mid 1960s, but it might be a good idea to do some electrical service to the unit if you know how to solder.


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 Post subject: Re: Packard bell RPC-23s no sound
PostPosted: Feb Fri 17, 2017 7:28 pm 
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Joined: Feb Fri 17, 2017 4:49 am
Posts: 4
I'm not super familiar with soldering, I got a friend that's good at it though and has offerd his help. I'll throw some tubes in there and see what happens.


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 Post subject: Re: Packard bell RPC-23s no sound
PostPosted: Feb Sat 18, 2017 4:48 am 
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Joined: Aug Thu 27, 2009 7:47 am
Posts: 2647
Location: Seattle 98125
Make sure to follow the tube placement chart that's on the side of the amp.

It's worth checking to make sure the tuner chassis isn't also missing some tubes, if someone's already been in there pulling things they might have taken more.

When you do power it up, if you immediately get a low hum which doesn't change with the volume control, turn it off. That indicates the power supply needs service. Make sure to keep an eye on the power transformer too. This model does not have a fuse so in the event of a short circuit which doesn't cause that humming the power transformer could still be destroyed.


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 Post subject: Re: Packard bell RPC-23s no sound
PostPosted: Feb Tue 28, 2017 7:33 pm 
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Joined: Feb Fri 17, 2017 4:49 am
Posts: 4
It lives! No hum when powered on (that doesn't change with the volume). All 6 speakers are flawless, no crackles. Either the person who had this before me didn't like their music loud or they never used it, cause these speakers are pristine. I can't believe how good the sound quality is on this piece of 50+ year old equipment. Goes to show when you make something right it lasts I guess. Thanks for your help guys!


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