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Posts by aag

It is certainly not my intention to attach the earphones to the main power amp! Again, the intent is to just reproduce the actuation of the earphone switch with a potential-free relais.But I see that there is only so much one can do by mulling over the theory. The next step is probably to take a look at how the headphone plug is attached to the video board. If it's just a matter of unsoldering a wire, I may go for it. If however all connections are through soldered pins, I...
Ahhh... I am starting to believe that my original plan may actually be the less-painful option! Which brings me back to the question: any advice for the rewiring?
OK, I am starting to get it (slowly). But why do you say "any analog connected source"? Would that not work with digital sources (mine are all digital!)?
Thanks for your input which is appreciated. Unfortunately your suggestion doesn't work for me (unless I misunderstand your message). The main zone must be muted when the headphone is on, and unmuted when the headphone is off. Therefore, my goal is to exactly reproduce the behavior that occurs when the headphone plug is inserted into its jack - but using an additional relais rather a mechanical switch. My intention is to control the relais using one of the many available...
Thanks, this is amazingly helpful! It would appear to me that the rub lies in the board depicted here. I presume that JL261 and JL263 are being physically disconnected by inserting the plug, and this triggers all that is needed to redirect the audio. Any suggestion as to how to go about the rewiring?
The receiver in question is a Sony STR-DA5500ES. Any idea where I could retrieve a service manual? Google pops up a ton of sites - but I think that most of them are scams and I do not even want to click them since I am afraid that they will infect me with some malware...
thank you Arnik. I believe that the switch is mechanical for the following reason. I use a 3.5mm Female to 6.35mm Male Audio Jack Converter for the earphones. When I plug in the converter, but do attach the earphones to it, the receiver goes mute. Since there is no circuit, I deduce that the switch is actuated mechanically. Is that a fallacy?
I am considering some major surgery on a relatively high-end Sony receiver, but the mod outlined below could probably be performed on receivers of any other brand as well. When I insert the earphone plug, the speaker outputs are automatically switched off and the output is redirected to the earphone. I think that this is standard behavior for receivers. I haven't yet opened up the chassis, but it seems that the redirection is executed through a low-tech mechanical switch...
I have installed a system called IP-Symcon. It does everything conceivable (and a few things more) related to IP-controlled appliances. I am very happy with it. The only thing is, the product is German and the support forum is mostly German as well. If you want to exploit it to its maximum, it helps if you understand some German.
That's great! In this case, Barry, I will patiently wait until you report whether you get the whole contraption to work effectively and reliably! I have no experience with ethernet-to-serial, but I tried ethernet-to-USB several times over the past 15 years, and things invariably ended with tears . Hence I am particularly grateful that you go in first! I am flying over to the West Coast in late January. I will try to have the boards and stuff shipped to my hotel, thus...
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