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Just plugged into a new TV. Sound comes through but no picture at all. It worked fine on the old TV. The TV is a Sony Bravia. It is connected by a scart cable.
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? 4:52 https://www.youtube.com/watch?v=IBRE1Dcyxp4
Jan 13, 2012 - Uploaded by Clay Whitehead
TV Has Sound But No Picture Troubleshooting Guide - Duration: 2:30. by Repair.com 467,264 views. 2:30. LCD & LED TV Repair - No Image ...
A short fix is to unplug the hdmi cable and shut down the tv compleetly, then get the tv on and plug it in, the tv see the new connection and reset the value's for sound
Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.
To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).
Not common but electronics are electronics , we can have failures right out of the box. Generally Sony is reliable and I must say that you should not have to worry about cost , Is it not under warranty - its only 4 months old !!
That would be my solution. The trouble is either in the box or your connecting cables. Verify this by connecting the cable directly to the set. Then try a new set of connecting cables, or call the cable provider to replace the box.
More information is required. Your backlight is lit (screen not dark) but I need to know what you have connected to the TV (your sources) and how they are connected. Does the menu/OSD (on screen display) work?
Sounds like something got confused in the re-wiring...if the TV signal from cable doesn't involve a box, then the co-ax should go straight to the "cable in" or "RF in" on the TV, and the sound equipment gets connected to output ports on the TV. Otherwise, try bypassing the video connections on receiver or whatever and go directly to TV...My surround sound has video in and out, but I've never used them, it doesn't matter.
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