TV problems and solutions for the Sony Bravia KDL-19BX200

Problem: The picture is very poor on freeview. I get interference, blocks appearing, clicking sounds and a generally unwatchable picture.

Solution 1: This sounds like a poor signal. Go into the menu and see if you can check the signal strength. To solve this, you will need to either (1) Retune your TV to a more local transmitter, (2) Improve / reposition your TV aerial, or (3) Check the cable that connects your TV to the aerial - replacing this will be easier and cheaper that replacing the antenna.
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Problem: How do I connect my computer to my TV? I can't seem to get any sound.

Solution 1: You might need to send a separate audio cable to your TV, even if you're connecting via HDMI.
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Problem: I get a green or blue screen, but I can hear the sound coming from the TV channel.

Solution 1: Golden rule 1: Change channel and see if you can change back and make it work.
Golden rule 2: Turn it off and on again.
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Problem: Picture has speckles or sparkles while watching.

Solution 1: This is likely to be a cable problem. Try with a different cable if you have one handy. Cheaper cables are more likely to do this, particularly if they are quite long (over 5 metres)
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Problem: Picture comes on, then goes off, sometimes flickers.

Solution 1: Probably a loose cable connection. Try fiddling around with the cable while it's on and see if it helps.
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Problem: The TV won't turn on.

Solution 1: First solution: check the power. Yes, I know it's obvious, but if the fuse has gone in the plug, if the cable is loose or if you've overlooked a second power switch, this might be your problem. If you have any indication of power at all (e.g. power light), you can discount this.
Alternative Solution: Is the plug in/on also have you checked the cables are in correctly (it's worth checking them over)
0 out of 0 people found this solution helpful. Solution 2: The most probable cause of the tv not switching on is a power supply fault. The high voltage backlight voltage generator is the most likely cause of failure. In particular if the high voltage transformer shows no sign of distress, and the chip that drives it does not show any physical damage, then check the schottky diode that provides power to this high voltage circuit for the back lights. My tv was completely dead, and I discovered that this diode was short circuited. Removing the diode, and switching on the tv restored sound. Replacing the diode with the correct type restored normal operation. Beware that initially replacing the diode with a similarly specified ordinary silicon diode did not restore normal operation.
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Problem: The TV won't turn on.

Solution 1: First solution: check the power. Yes, I know it's obvious, but if the fuse has gone in the plug, if the cable is loose or if you've overlooked a second power switch, this might be your problem. If you have any indication of power at all (e.g. power light), you can discount this.
Alternative Solution: Is the plug in/on also have you checked the cables are in correctly (it's worth checking them over)
0 out of 0 people found this solution helpful. Solution 2: The most probable cause of the tv not switching on is a power supply fault. The high voltage backlight voltage generator is the most likely cause of failure. In particular if the high voltage transformer shows no sign of distress, and the chip that drives it does not show any physical damage, then check the schottky diode that provides power to this high voltage circuit for the back lights. My tv was completely dead, and I discovered that this diode was short circuited. Removing the diode, and switching on the tv restored sound. Replacing the diode with the correct type restored normal operation. Beware that initially replacing the diode with a similarly specified ordinary silicon diode did not restore normal operation.
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