https://www.remotecentral.com/cgi-bin/files/rcfiles.cgi?area=prontong&db=devices&br=sony&dv=receiver
RC Files: Philips Pronto NG - Component PCFs for Sony Receivers (1)
for sonyrcfilesphilipspronto
https://forums.afterdawn.com/threads/ir-repeater-with-sony-receivers-anyone.662916/
"IR Repeater" with Sony Receivers - Anyone? | AfterDawn Discussion Forums
Greets, In this wild world of the internet, you would think all questions have been answered; particularly one this simple. However, when I search...
sony receiversirrepeateranyonediscussion
https://bid.beckauctions.com/collection-of-Sony-and-Yamaha-stereo-equipment-with-remote-controls-cassette-player-two-receivers-a_i58070191
collection of Sony and Yamaha stereo equipment with remote controls, cassette player two receivers...
collection of Sony and Yamaha stereo equipment with remote controls, cassette player two receivers a - Beck Auctions Inc.