I've had my JVC RX-8010V receiver for 6 years now with no problems, until recently. Today it suddenly shut down and after turning it on again it shuts down several seconds later. I'm using a USB connection with my laptop and I use it for music composition. I'm wondering if it is possible for the receiver to be sabotaged by a hacker? Any help would be appreciated, thank you.
I replaced R916 with a 10 ohm wire wound resister and that fixed the problem on the unit I have. That resister is in serise with R 915 so they should be close in value. Both were marked 8 ohms but tested about 11 ohms on R915 and the bad one tested very high (over 1 meg) so I replaced it. When I first put it back together it didn't work but I noticed that the ground screw at EP901 was not retighted so be sure that all ground screws are tight and all conections are redone before testing with the power cord.
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I'd troubleshoot first, even though you've already tried the headphones (good thinking). Get a battery (AA battery works) and put the black and red wires on opposite sides to see if the speakers are working. Is there a menu of settings on the jvc, and is it set to 5.1? Just trying to help...
Before you go crazy, and before you do anything, and before you take any of the above advice check the fuses!! Pop the top, look straight down to see 4 or 5 'buss' fuses. Lift at least one end of each fuse and check for continuity with a simple volt-ohm meter. I bet you find at least one bad. Bear in mind it blew for a reason so procede with extreme caution.
Check the ohm load for the reciever, then check to see what ohms are of the speakers. make sure they match. 4ohm to 4ohm, 8ohm to 8ohm. If unit feels hot when it shuts off, it's a themal overload, put in to keep the reciever from getting damaged. It comes back on when cool right? Overload could be on its way out and shutting down at a lower temp too
This maybe an easy one. Have you unhooked all the wires going in to the stereo. "SP wires" means you have wires to the speakers are touching and the stereo is shutting down to avoid overloading. Hope this helps...
I had incountered before VICTOR colored TV.ive found out that the problem was in the switch relay on the power supply area.. My suggestion is to check the relays wich is located at the supply board area resoldered the pin to make sure the pin is in solid contact. or put an AVR back up to your TV. If the problem still occur check the regulator IC or try to change a new IC this might help the problem.