{"id":48984,"date":"2021-05-22T23:15:15","date_gmt":"2021-05-23T03:15:15","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=48984"},"modified":"2021-05-22T08:36:42","modified_gmt":"2021-05-22T12:36:42","slug":"si473x-receiver-firmware-update-and-internal-photos","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2021\/05\/si473x-receiver-firmware-update-and-internal-photos\/","title":{"rendered":"SI473x Receiver Firmware Update and Internal Photos"},"content":{"rendered":"

\"\"<\/a>Many thanks to SWLing Post<\/em> contributor, Robert Richmond, who writes:<\/p>\n

Hi Tom,<\/strong><\/p>\n

Ricardo (PC2CLR) recently published an excellent firmware update for the SI473x kit-based receivers flooding AliExpress, eBay, etc.<\/strong><\/p>\n

I purchased a preassembled SI473x model, and it has a much better user interface following the update IMO. Other changes include being able to tweak or disable soft mute, finer grained attenuation, and a few options being moved to the encoder instead of multiple button presses.<\/strong><\/p>\n

The update including directions and a list of features can be found here:<\/strong><\/p>\n

https:\/\/github.com\/pu2clr\/SI4735\/tree\/master\/examples\/SI47XX_KITS\/AliExpress<\/a><\/strong><\/p>\n

Best Regards,<\/strong><\/p>\n

Robert Richmond<\/strong><\/p>\n

Internal Photos<\/h1>\n

Robert also kindly shared the following internal photos of the SI473x receiver:<\/p>\n

\"Si4732 <\/a> <\/div> <\/div>
\""Crossed <\/a>
“Crossed 1N4148 diodes and a 1M carbon resistor at the BNC connector.” <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div> <\/div>
\""I <\/a>
“I did not spend much time delving into the design. I just went with the quick-and-dirty approach of throwing parts at it.” <\/div> <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div> <\/div>
\"Si4732 <\/a> <\/div>
\"Si4732 <\/a> <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div>
\"Si4732 <\/a> <\/div>
\"Si4732 <\/a> <\/div> <\/div> <\/div>
\"Si4732 <\/a> <\/div> <\/div> <\/div> <\/div>\n

Robert, thank you so much for sharing the information and your SI473x photos\/mods!<\/p>\n","protected":false},"excerpt":{"rendered":"

Many thanks to SWLing Post contributor, Robert Richmond, who writes: Hi Tom, Ricardo (PC2CLR) recently published an excellent firmware update for the SI473x kit-based receivers flooding AliExpress, eBay, etc. I purchased a preassembled SI473x model, and it has a much better user interface following the update IMO. Other changes include being able to tweak or […]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,1936,43],"tags":[149,7188,9284,8083,9283],"class_list":["post-48984","post","type-post","status-publish","format-standard","hentry","category-news","category-photos","category-shortwave-radio","tag-mods","tag-radio-modifications","tag-radio-mods","tag-robert-richmond","tag-si473x"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-cK4","jetpack-related-posts":[{"id":49015,"url":"https:\/\/swling.com\/blog\/2021\/05\/armin-hears-clicks-after-update-of-si473x-receiver-firmware\/","url_meta":{"origin":48984,"position":0},"title":"Armin hears “clicks” after update of SI473x receiver firmware","author":"Thomas","date":"May 24, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Armin Sander, who writes: Hello Thomas, Thanks for posting the info on the SI47xx firmware-update. I have done the update and the receiver runs now on firmware ver. 3.0.7a It works fine but I hear now on am\/lw\/shortwave \"click\" noises on the radio. Is\u2026","rel":"","context":"In "News"","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/05\/OLED01.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/05\/OLED01.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/05\/OLED01.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":49942,"url":"https:\/\/swling.com\/blog\/2021\/08\/the-si-307-another-si473x-portable-receiver\/","url_meta":{"origin":48984,"position":1},"title":"The SI-307: Another Si473X portable receiver","author":"Thomas","date":"August 10, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Konrad, who writes: Hello Thomas, I was checking AliExpress in search of Hanrongda HRD 747 (still nothing yet) and accidentally I've found something which might be interesting. For now there's not much information about this device, but it seems that somebody produced a handheld\u2026","rel":"","context":"In "New Products"","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Sl-307-Si473X.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Sl-307-Si473X.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/08\/Sl-307-Si473X.jpeg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":49583,"url":"https:\/\/swling.com\/blog\/2021\/07\/the-new-ats-25-si4732-receiver-with-color-touch-screen\/","url_meta":{"origin":48984,"position":2},"title":"The new ATS-25 Si4732 receiver with color touch screen","author":"Thomas","date":"July 9, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Robert Richmond, who writes: An ATS-25 receiver has appeared on eBay and similar sites. It appears to be a touchscreen and user interface update to the previous ATS-20 model. I suppose it remains to be seen if there are any improvements to the underlying\u2026","rel":"","context":"In "New Products"","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/07\/ATS-25.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/07\/ATS-25.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/07\/ATS-25.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/07\/ATS-25.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":8405,"url":"https:\/\/swling.com\/blog\/2013\/12\/kaito-able-to-update-pl-880-firmware-in-house\/","url_meta":{"origin":48984,"position":3},"title":"Kaito able to update PL-880 firmware in-house","author":"Thomas","date":"December 24, 2013","format":false,"excerpt":"Earlier we posted that Tecsun PL-880s being sold by Kaito Electronics had an older firmware version (#8819) than those being sold by Anon-Co on eBay\u00a0(#8820). Fortunately\u00a0SWLing Post reader, Tim, has been working directly with Kaito in California. Yesterday, he visited their headquarters where they updated his PL-880 from firmware version\u2026","rel":"","context":"In "New Products"","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"Click here to learn how to display your PL-880's firmware version.","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-800-Firmware-101.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-800-Firmware-101.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/12\/Tecsun-PL-800-Firmware-101.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":48951,"url":"https:\/\/swling.com\/blog\/2021\/05\/adid-offers-two-simple-mods-for-the-xhdata-d-808-or-any-portable-radio\/","url_meta":{"origin":48984,"position":4},"title":"Adid offers two simple mods for the XHDATA D-808 (or any portable radio!)","author":"Thomas","date":"May 18, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Adid, who shares two inexpensive mods he made on his XHDATA D-808 shortly after taking delivery of it in 2018. One is simply clear tape over the display to protect it from scratches. 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