File:Sharp Optonica SA-2121H receiver regulator and relay board.jpg

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Description Sharp Optonica SA-2121H receiver (Euro market, made in 1978) on the bench. Needed just a small repair in protection relay circuit, otherwise fully functional after 40 years. Here is the regulator and speaker relay board (with new capacitors)
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Source Own work
Author Retired electrician

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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current15:59, 25 January 2020Thumbnail for version as of 15:59, 25 January 20203,293 × 2,481 (2.89 MB)Retired electrician (talk | contribs){{Information |Description=Sharp Optonica SA-2121H receiver (Euro market, made in 1978) on the bench. Needed just a small repair in protection relay circuit, otherwise fully functional after 40 years. Here is the regulator and speaker relay board (with new capacitors) |Source={{own}} |Date=2020-01-25 |Author= Retired electrician |Permission= |other_versions= }} Category:Sharp Optonica SA-2121H receiver Category:Disassembled radio receivers [[Category:Print...

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