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 Post subject: Sansui 350A
PostPosted: Oct Tue 10, 2006 10:44 pm 
Member

Joined: Sep Sat 09, 2006 5:51 pm
Posts: 70
Location: Austin, Texas
Hi everyone--

I have a Sansui that has some burned out display bulbs. I can't seem to find any "fuse lamp" style bulbs. They are 6.3 V/0.25 amp. Anyone know of a source/a substitute?

Thanks.

John


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 Post subject:
PostPosted: Oct Tue 10, 2006 10:48 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 9958
Location: Toledo, Ohio
Try MCM

_________________
Jim
KE8GMW
------------------------
"AC volts and DC volts and little lamps and lities..."


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 Post subject:
PostPosted: Oct Tue 10, 2006 11:22 pm 
Member

Joined: Sep Sat 09, 2006 5:51 pm
Posts: 70
Location: Austin, Texas
Thank you Jim. It looks like MCM does have them in stock.

You(or anyone else) wouldn't know of a local source...? That might be hard, but anything helps. I know that Radio Shack doesn't carry them as well as a couple of local lighting stores.

John


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 Post subject:
PostPosted: Oct Wed 11, 2006 12:08 am 
Silent Key

Joined: Jan Thu 01, 1970 1:00 am
Posts: 34326
Location: Sandpoint, IDAHO 83864
I usually rely on the local Auto Parts stores for bulbs that I don't have and can't wait for mail ordering them. It surprized me at what they often carry, as a lot of radio bulbs were the same as used in some cars. But this style of bulb in six volt, I would think it was a radio only bulb. Simply because by the time these bulbs came out, all cars were 12 volt systems. But keep in mind the auto parts stores for future needs.
Curt

_________________
Curt, N7AH
(Connoisseur of the cold 807) CW forever!


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 Post subject:
PostPosted: Oct Wed 11, 2006 12:22 am 
Member

Joined: Sep Sat 09, 2006 5:51 pm
Posts: 70
Location: Austin, Texas
Thanks guys.

Looks like I might have some more problems.

The signal strength indicator(i think that is what it is), only registers about 1 on the scale. I still pick up stations, but the FM Stereo light doesn't come on. The bulb is fine.

Does anyone have a schematic for this radio?? Adding an antenna seems to make no difference in the signal strength. What might be the cause of this problem?

Thanks for any help.

John


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 Post subject:
PostPosted: Oct Wed 11, 2006 12:22 pm 
Moderator

Joined: Jan Thu 01, 1970 1:00 am
Posts: 20321
Location: Utica, NY 13502 (USA)
Since this is a piece of vintage audio equipment, I have take the liberty of moving it to the Vintage Audio section.

I've bought these bulbs from MCM before. They come in 3 different voltage/current ratings. There is an 8-volt version that might last longer in this applicaton.

Dave


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 Post subject:
PostPosted: Oct Wed 11, 2006 7:09 pm 
Member

Joined: Sep Sat 09, 2006 5:51 pm
Posts: 70
Location: Austin, Texas
Thanks Dave, looks like MCM is the place.

Anyone have any ideas about the FM Stereo light that I mentioned earlier?? Any help is greatly appreciated.

John


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 Post subject:
PostPosted: Oct Fri 13, 2006 8:21 pm 
Member

Joined: Sep Sat 09, 2006 5:51 pm
Posts: 70
Location: Austin, Texas
Hi everyone--

I was able to get the signal strength indicator and the FM stereo lights to respond. I made some adjustments to what looked similiar to trimmer caps. I recently did a lot of work to a old silvertone tube radio and that is what gave me the idea to try adjusting some of the so called "trimmers." Granted I could have messed somethiing up, but it seems to function much better.

I am still looking for a schematic however. This Sansui is much more complicated than the Silvertone. If anyone knows of a source I would very much appreciate it.

Thanks in advance.

John


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 Post subject:
PostPosted: Oct Tue 24, 2006 8:11 am 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 1251
Location: Scandia Minnesota U.S.A.
In reference to your original question I asked my local TV repair shop and he ordered them for me, I had them in my hands within 3 days. He then got suspicious and asked what they were for. When I told him, he asked if he could buy it from me!! Turns out he is a fan of the old Sansui Quads and my QR-6500 was something he woudlnt mind owning. Be careful, I walked in needing bulbs, and walked out needing another project!! :)

-Jeremy


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 Post subject:
PostPosted: Oct Tue 24, 2006 8:03 pm 
Member

Joined: Sep Sat 09, 2006 5:51 pm
Posts: 70
Location: Austin, Texas
Hey, thanks Bestland--

I also ended up finding the bulbs at a local radio repair shop...he had them in stock.

Still wondering about a schematic or in the least the tuning procedure...I think I have it pretty well adjusted, but I could be completely wrong.

The good thing is it is clean, lights up and the volume isn't scratchy when adjusted up and down.

So far I am happy with it.

John


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 Post subject:
PostPosted: Oct Tue 24, 2006 8:19 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 1251
Location: Scandia Minnesota U.S.A.
http://cgi.ebay.com/SANSUI-ORIGINAL-350A-SERVICE-MANUAL_W0QQitemZ320037308565QQihZ011QQcategoryZ296QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

Would something like this be good enough? The only thing I dont like about it is the face that he has kinda spooky feedback and no picture. If a copy of the manual is ok with you try this guy... http://cgi.ebay.com/SANSUI-SERVICE-MANU ... dZViewItem

-Jeremy

PS. It seems those dial lights burn out a-lot. You might consider going with the LED version if you use the amp a-lot, they should outlive all of us.


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