After exactly 10 minutes the head unit lowers the volume and says "see you" ( its not owerheating i cheched and installed a fan on it ....) then the screen stays blue and shows the time( only the display button works to turn the display on or off) to get it to work again i need to cut the power to the accesory to shut it down completely and turn it back on again , then press the source button to have it working.
i will be wery graitfull to anyone who has a solution for this cause i listen to music for more than 10 minutes at a time.
Not sure if my last post was posted, but my unit has the same problem. It can randomly shut off after 2, 5 or 10 min. I have read somewhere, that it might be the fan on the back of the unit. still looking for solution....
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Your sub amplifier is detecting an overdrive condition and reducing volume to prevent the output stage from burning up. When reduced volume doesn't work, output is cut completely for 10 minutes until things have cooled down.
When any radio shuts off wth high volume it is caused by several things.
1. The maximum power output was reached and the unit goes into the self protection mode.
2. The most common reason.... The power transistor has partially failed and will not provide the partially amplfied output necessary.
3. Units with removable face plates vibrate enough to disengage the face plate contacts so the unit shuts off.
4. The speakers are too big for the radio causing it to self protect. (system mis-match)
5. Loose connectors/pins on the radio input and output connections.
6. A poor system ground that is good enough for low volume use but when high power use is encountered the ground is not good enough to carry the amperage necessary.
These are the most comon reasons for a unit to shut off at higher volumes.
It is not always an easy fix troubleshooting this problem. I know first hand as a life long electrician that has the exact same problem with the radio in my automobile. (Mine appears to be a power transistor grounding problem) With shipping to the repair center each way and the flat rate repair cost it would cost as much as a new one!
I had exactly the same problem When the TV was switched on all I could see was a flashing green light. After cheching the TV internals and not seeing a problem including the power supply unit which looked and checked normal. Here is what I did to get M TV working again. Disconnect it from the power supply. Hold down all the buttons simultaneously i.e. the on/off, the volume, the programme, menu buttons, all of them simultaneously and Plug it into the power supply again. Lo and behold My TV jumped back into life after an absence of about 4 weeks. Try it yourself exactly as above.
check your ground wire ..
then check battery has enough charge..
usually fault is in where your stereo is connected to your ground source.. good luck ,if no luck try your checking your speaker wires for a short..
The level control controls the input level coming from your head unit (receiver) to the amp.
Your Sony users manual is a little vague on how to best adjust the level and other controls.
Here is one method that some installers use and works well with most amps.
Most 10" subs sound best between about 80-100hz and below, so start out by setting the LPF at about 80hz. The HPF will not be used. Next turn the bass boost and gain all the way down. Turn on the radio and set all tone controls, bass, midrange, treble to flat, usually "0" on most head units. Turn the volume up to approximately 3/4 volume level or just until you begin to hear distortion. Now, back the volume down until the distortion is gone. Next turn up the gain control on the amp until you hear the subs start to distort then back the gain down until the distortion disappears. Next turn the bass boost up again until the subs begin to distort, then either back the bass boost down or back the gain down until the distortion is gone. You may need to play around with the bass boost and gain controls to get exactly the sound you prefer.
check your ground, it could be that your antenna is the only source of ground, in which case the deck does not have enough power to stay on when it draws too much power. I've seen exactly what you are saying many many times. Ground it really reallly good.
You should first chech out all the speaker wires, the connections on back of the reciver, and on the speakers and make sure there are no little strands touching. If all thats good , disconnect all the speakers and see if the reciver still shuts down. If it does not, then there is a problem with the wiring or the speakers. If it does still shut down, im sorry to say that the move must have joggled something and there is a problem in the unit. Unfortantly, these are solid state units and have no user replaceable parts inside. It may not be worth repair due to the high cost these days for labor, but for sure see how much an estimate would be first. Good Luck
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