Question about Kenwood Car Audio & Video
I recently installed my BT318U in my Lexus and it will power on showing Kenwood as it boots, then it will show the first input such as CD and then immediately after that the screen will not display anything. The screen doesn't completely black out but it shows nothing and no buttons will change the screen, other than holding the power button to shut it off... Any suggestions? Edit: [SOLVED] I simply plugged in my USB for my iphone and it seemed to bring it back to life and put it in a source. Now when it powers on, no problems. This is a pretty odd issue so not sure if others will be this easy of a fix..
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: kenwood kvt 911 dvd head unit
I have a question. Everything is working perfectly except for there is no picture on the TV nor DVD. It was working fine until the other day when I messed around with some wires seeing if any of them were loose. Any suggestions?
Posted on Mar 26, 2008
SOURCE: Powers up but black screen shows
1st - Try pressing <Fn> + <BrithnessUP> keys a few times, (on HP <Fn> key is between <Ctrl> key and <Windows> key, <BrightnessUP> key is <F8> key and <BrightnessDown> key is <F7> key. If nothing happens try the 2nd one.
2nd - Plugin external monitor, (type and size doesn't matter). Turn on your laptop. If you can see desktop on the external monitor, your drivers are o.k., The problem is your laptop display, NOT the graphic chip.
Posted on Dec 13, 2008
I have the same problem and have traced it down to a potential power supply issue. I bought mine at Best Buy in '06 and was told today that they will test the power supply for free. It may range from $50.00 to $100.00 depending on where you can get it. This does not include labor for those not qualified to work with electronics. Hope this helps you.
Posted on Jan 23, 2009
The monitor is probably on protection.
To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.
If it is computer fault and no video signal , then test:
If it is monitor fault , then the monitor is on protection.
When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.
1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.
2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.
If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
Common faults that can occur are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.
Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.
Try moving the video cable, and if the cable is not built in, then also try a replacement cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on May 04, 2009
Check your wires they might be touching steel around your car mostly look at your yellow and red wires those are the 1' that give it power and light to your radio also check your radio fuse in the back.
Posted on Jun 10, 2009
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