8mm Forum: Projector Help Bell and Howell 471

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Topic: Projector Help Bell and Howell 471

Calvin Goodwin
Junior
Posts: 10
From: Prospect, CT, USA
Registered: Sep 2018

posted September 13, 2018 06:55 PM

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I was thrilled to find this forum. I have owned the autoload B+H since 1972. After 30 tears I pulled it out again to view my parents super 8 home movies. After fixing the drive belt , rubber wheel I find that the projection is a BLOB of dim light. Is this the proper forum to ask for some troubleshooting help and advice?

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Calvin Goodwin

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Chip Gelmini
Phenomenal Film Handler

Posts: 1733
From: Brooksville, FL
Registered: Jun 2003

posted September 13, 2018 07:12 PM

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Either the bulb is worn and needs to be replaced or is not inserted properly

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Calvin Goodwin
Junior
Posts: 10
From: Prospect, CT, USA
Registered: Sep 2018

posted September 13, 2018 07:46 PM

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Thank you. Do you know if the led conversions work as well as advertised? (TVEDEN) for example. Or should I find an old school replacement?

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Calvin Goodwin

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Chip Gelmini
Phenomenal Film Handler

Posts: 1733
From: Brooksville, FL
Registered: Jun 2003

posted September 13, 2018 10:30 PM

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I am not a technician therefore cannot advise you on if this can be done. As a standard, go by the information printed within the lamphouse for the ANSI bulb code. Normally 3 letters. The code will vary on these models. The common bulb on the sound machines was DJL but this does not mean a DJL will work in your machine, but it might.

Maybe you can Google the projector model number, and add the lamp for projection to it. Something lime this:

Bell and Howell model 471A lamp type

And then see what happens. You could also check for a manual online that could contain the ansi code for your model.

Caution should be used when trying other bulbs, even if they fit the socket. You want to be sure the wattage and volts are proper or other damage could happen.

Just one question off topic. I see you are from Prospect, CT. Is that on the border to Naugatuck? You might be right near route 8? I was a little kid and grew up in Beacon Falls!

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Janice Glesser
Film Goddess

Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011

posted September 13, 2018 10:46 PM

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Welcome Calvin! The Tveden bulb conversion does work yet a bit expensive. I believe they still also have a kit to do your own conversion. I bought all the parts and modified my B&H projector myself. You can see it in this post:

http://8mmforum.film-tech.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=1;t=009488#000010

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Calvin Goodwin
Junior
Posts: 10
From: Prospect, CT, USA
Registered: Sep 2018

posted September 14, 2018 05:21 AM

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Thank you to all. I'll search out a replacement. My projector is a 30 volt bulb.

Chip, Prosoect is indeed next to Naugatuck. Beacon Falls and Prospect are a regional school district.

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Calvin Goodwin

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Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

posted September 14, 2018 06:27 PM

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What model is your projector?

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Janice Glesser
Film Goddess

Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011

posted September 14, 2018 06:34 PM

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Calvin, If you decide to convert your projector to a more modern halogen bulb...you should use the ELB 80W 30V bulb which is equivalent to the old DLD.

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Calvin Goodwin
Junior
Posts: 10
From: Prospect, CT, USA
Registered: Sep 2018

posted September 15, 2018 06:22 AM

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Bell and Howell Autoload build 471a, circa 1972

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Calvin Goodwin

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Chip Gelmini
Phenomenal Film Handler

Posts: 1733
From: Brooksville, FL
Registered: Jun 2003

posted September 15, 2018 08:18 AM

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https://www.replacementlightbulbs.com/lampdlddfz.html

This is a very good source for projector lamps use the toll-free number call and ask for Mr. Miller he will guide you to the right one please note your model number is not listed on that page so do the homework before making a purchase

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007

posted September 15, 2018 02:00 PM

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Calvin
Is this the lamp that your projector uses?
https://www.replacementlightbulbs.com/lampdlddfz.html
If so, it's possible that the small pins have corroded and are not passing enough current. Look at the pins, they should be bright and shiny. If not, give them a very gentle clean with some fine wet and dry.

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Maurice

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Calvin Goodwin
Junior
Posts: 10
From: Prospect, CT, USA
Registered: Sep 2018

posted September 15, 2018 06:31 PM

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Thanks to all. I am going to clean the pins , if that isn't the problem I will most likely do a conversion.

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Calvin Goodwin

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Nantawat Kittiwarakul
Master Film Handler

Posts: 280
From: Rajburana, Bangkok, Thailand
Registered: Aug 2017

posted September 15, 2018 11:37 PM

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And had you already cleaned the lens,both front&rear surface?

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Just a lone collector from a faraway land...

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Calvin Goodwin
Junior
Posts: 10
From: Prospect, CT, USA
Registered: Sep 2018

posted September 16, 2018 07:38 AM

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Cleaning the lens was my first step. The bulb lit so I was convinced the lens ws bad. I didn't know that the bulb could be dim enough to lose distinct format on the screen. The bulb in the projector is 40 years old and I have no idea how many hours are on the bulb.

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Calvin Goodwin

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Timothy Fransky
Junior
Posts: 22
From: Belleville, Ontario, Canada
Registered: Aug 2018

posted September 16, 2018 12:26 PM

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I have a new old stock DLD lamp if you're interested.

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Calvin Goodwin
Junior
Posts: 10
From: Prospect, CT, USA
Registered: Sep 2018

posted September 22, 2018 06:48 AM

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I'm up an viewing Super 8! I called Tveden lamp modules and made a purchase. While talking to George he advised that me lens was suspect, he was correct. I acquired an alternate lens and was amazed that I thought the lens I had was clear.
I purchased a plug in module along with an additional bulb and George shipped for free.

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Calvin Goodwin

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Janice Glesser
Film Goddess

Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011

posted September 22, 2018 11:27 AM

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Glad to hear you're up and running Calvin! I believe the time and money you have spent upfront will be well worth it in the long run. With the lens and lamp upgrades your Bell and Howell should run a long time. They are well-built workhorse projectors.

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Janice

"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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