Question about JVC RX-8010V Receiver
I have a JVC RX801v amplifier. The problem is that it changes input sources on it's own. Sometimes it is a constant annoyance, other times it will go for hours and be OK. Usually I am using it in the TV/DBS mode and it will most frequently switch to DVD and sometimes VCR mode....without any input. I even tried putting black tape over the infrared receiver on the amp to insure it wasn't getting any spurious remote commands, but it would switch anyway. Thanks!
try all the possibilitys of connecting cables between the outputs & inputs exept the ones that r allready working maybe theres a wrong connection inside the reciver windman
Posted on Jan 31, 2006
SOURCE: sound cut-out
Most likely this unit goes into protect mode due to heat detection. Try to see if there is a pattern to when this behavior starts. Does a lower volume level allow the unit to run longer? Perhaps there is a problem internally that is allowing DC voltage to get to the output stage. This will cause excessive heat which can then cause the protection circuit to kick in. This unit may need to see a bench with some test gear to locate the exact problem. If you can, look for any pattern and update this.
Posted on May 13, 2008
A quick quess of mine is the following:
The OVERLOAD indicator lights up when the receiver is maxing out on the current it is sending to the speakers. My guess is there is possibly something wrong with the receiver itself, especially since the B speakers won't play. Either that, or something is broken in your speakers or you are using a set of speakers that have too low an impedance rating for your receiver.
Posted on Jun 22, 2008
Just to the left of the volume is a "settings" button. Press it and cycle through the options until you reach "Digital Coax," then use the "Control" up and down buttons to change the assigned source.
Posted on Jul 04, 2008
It sound like a bad connection. The first thing that I would do is tighten all the ground screws that hold the circiut boards and the heat sink to the chassis. If that doen't fix it, flex the circuit boards slighty to see if the relays chick on and off (disconnect the speakers first). It could be on the input board, on the relays themselves or just about anywhere.
Posted on Feb 01, 2009
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Nov 29, 2011 | Onkyo TX-SR703 Receiver
It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be your output drivers- the MOSFETS/IC's fitted for both the channels, Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise like a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.
You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the protect is off then check for short on the speakers.
Aug 03, 2011 | Sony STR-DH800
U cant get an amplified out put form ur av receiver for zone 2. speaker a A and B is the same out put of frond left and right. it is not ZONE 2 output. U can get only a pre output for zone to from this receiver. U nee a separate stereo amplifier for using zone 2 .put an amplifier in the other room, connect the zone 2 pre out to it. And do the following setup in ur av receiver .
The receiver shows check speaker cable because its amplifier minimum impedance is 8 ohms . when u connect other speaker in speaker the total impedance will come under 4 ohms. Speaker b is not ZONE 2 in this amplifier
1. press the input selector button A or B to select the source component you want to setup.
2. press and hold LEARN (on remote) button about 3 seconds by using a boll pen or similar object ( SETUP and the selected component name appear alternately in the display window.)
3. press up or down arrow to select "zone2"
4. press LEARN to complete the Zone 2 setup.
5. press source select up arrow to display Zone2 in the window.
6. press an input selector button to select input source u want to listen to in the second room
7. u can control the component by using the component control area button
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