Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default Need a transistor for a '70s Zinger Color Organ

Hello. The Zinger is a six light alternating and flashing unit. It could run either on with varied speeds or connected to a speaker wire or radio output to pulse with the music. I am trying to fix this bedraggled old thing .... I know, glutton for punishment. Anyhow, the transistor (which is quite toasted) is a Toshiba FIR3D41. I can find no info online about this part or what the replacement might be. Based on what it is supposed to do, are there any suggestions for a replacement? It is 120v and the model number is 528. Thanks for any info !
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Default Need a transistor for a '70s Zinger Color Organ

In article ,
wrote:
Hello. The Zinger is a six light alternating and flashing unit. It could run either on with varied speeds or connected to a speaker wire or radio output to pulse with the music.
I am trying to fix this bedraggled old thing ... I know, glutton for punishment. Anyhow, the transistor (which is quite toasted) is a Toshiba FIR3D41. I can find no info online
about this part or what the replacement might be. Based on what it is supposed to do, are there any suggestions for a replacement? It is 120v and the model number is 528. Thanks
for any info !


I have a feeling that you will probably need to trace out the circuit
and draw a schematic, in order for anyone to figure out the actual
requirements.

I suspect that the FIR3D41 code might be either a house number, or a
manufacturing date code. I have little doubt that there are
compatible parts available today (probably an arm's-length list of
them) but without a schematic it's going to be really difficult to
select one.

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Default Need a transistor for a '70s Zinger Color Organ

On Fri, 26 Jun 2020 18:36:10 -0700, Jeff Liebermann
wrote:

Ok, I give up. No data sheet.


One more "FIR 3D" SCR, also in Indonesia:
https://indo-ware.com/produk-2968-fir3d.html
The page has fields for the specs, but no numbers are supplied. I get
the feeling that nobody knows the specs.


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Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558


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