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Canadian Poncho Homepage -> Canadian Poncho -> Beaumont Interior Tech Forum -> Need schematic 69 am radio-no output
Post Info TOPIC: Need schematic 69 am radio-no output
bzbaz63


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Need schematic 69 am radio-no output
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I took my am radio in to get fixed and they've had it for 

2 weeks at electronics unlimited in Kamloops & they have replaced 

the transistor & another part and it still doesn't have any output.

does anyone have any input as to what could be the problem ?

maybe the speaker they are using has the wrong resistance ?

i hope it doesn't cost to repair more than it's worth!

 



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1969 Beaumont Convertible

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hawkeye5766


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I don't, but my dad has been repairing radios for over 45 years at home (hobby) will ask and PM you.

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4SPEED427


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And I think I have the schematic for you if you still need it. I can look tonight to make sure. Just let me know.

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1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
seventy2plus2


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I have a schematic at home, but I'm away for another week or so.   The speaker will be a standard 8 to 10 ohm resistance.  Does it have a built in fader for the rear speaker?  Or just a single front speaker?



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bzbaz63


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Single front speaker.
Very basic unit .
Option code U63 AM Radio

& yes Carl , I could use the schematic please.



-- Edited by bzbaz63 on Thursday 23rd of July 2015 03:05:24 PM

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1967 Beaumont SD
seventy2plus2


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I had a problem with the am radio in my 72 GMC, no output.   I removed the radio, and found that with the cover off it worked with my arm hovering above the radio.  Problem ended up being the antenna input coil was fried, so components were replaced.  Works great since then.

In your note below, you indicate the transistor has been replaced.  Which transistor?  I'm thinking if it's the amplifier transistor, it may have originally been a germanium transistor, not silicone.  I know this is technical talk, but if they replaced it with a silicone one, they may add to your problems.  



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427carl


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bzbaz63 wrote:

 

I hope it doesn't cost to repair more than it's worth!

 

         sounds like it already has  hmm



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4SPEED427


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Does this help?

A.M 001.jpg

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
4SPEED427


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Whoops, I did that Aussie style!!!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
4SPEED427


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Better?

A.M 001 - Copy.jpg

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
bzbaz63


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They were unable to fix it ! The schematic was too late!
Thanks anyway Carl, I appreciate it 😀
Charged me $45.00 for the check.
They replaced the germanium driver transistor and the output transistor .
They told me they don't want it back , wasted about 3 hours on it.
They're working on a 68 Beaumont radio that had a FM conversion & a
Aux output on the back (modified with a circuit board) for somebody.
It has static when volume up down, hopefully they can fix that !
Talked to Dave (the tin man) he will take it back for a full refund
or exchange it next time he gets one.
Either that or send it to the States for a conversion ?

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seventy2plus2


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I'd suggest sending it to Bill at Carola Radio in Edmonton.  He has the schematics and parts.  He's fixed the AM/FM Stereo units in my 2+2's that were both dead, and also the AM in my 72 GMC.  As indicated earlier, the antenna input coil (L1) was cooked on it.



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bzbaz63


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That sounds better than sending it to the States .
I installed it not working for the next few car shows, then I'll decide
What direction to go with it.
Thank you very much for your help on this .
It would be nice and nostalgic to here the old center dash
Speaker make some noise some day.
I'll pursue the in glove box Hi perf stereo this winter for a project.
Thx

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bzbaz63


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Installed but not working

looks good. All original now

image.jpg



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jmont64


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Bill in Edmonton is great and very reasonable if you want to retain it as an AM radio. I went to his place and he must have a thousand or more old radios there and he is an old radio genius. I would suggest Wood's radio at the coast and get the Am/Fm conversion as well as access for your phone or ipod. Probably the best $400 I spent on my car as it looks original to still qualify for collector plates and works like a charm.

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Jerel
bzbaz63


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With the fm conversion can you hook up an amp to power up a sub ?

 



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