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Hi
It sounds like a signal problem, I'm assuming its Freeview channels you are dropping, I have had the same problem on some of my TV's especially since the re-tuning channel 5 fiasco. Have you tried Re-tuning the DVB-tuner from the freeview menu, then settings or set-up or installation, then choosing the First Time Install option as it will wipe all previous channels.
If you have a portable you can try it on the same aerial see if you have the same problem with that, then if it is the signal, buy a booster and put that on the RF input, which is what I did with the same problem.
I am in a poor signal area and have had to have my aerial raised to get even an average signal.
thats the HIGH VOLTAGE section making some static noise , theres a insulation liquid that looks like red paint to avoid high voltage arcing , apply it at the picture tube where theres a big round rubber and a cable coming out . hope this helps , AJ
Your Sony has several varieties of possible connections. They include,
HDMI (High-Definition Multimedia Interface)
Component video
S VIDEO
Composite video
RF/Coaxial
Make sure that the appropriate choice with in the menu "SETUP" option matches the connection at the rear. If this is done correctly and you still have now picture it may be an issue with the cable or the connector on the end. Check the tip to make sure that there is between 1/8 to 1/4 inch of the internal wire past the end of the connector. If this looks ok try a different hook up such as the "S-VIDEO" cable and seperate left and right audio "RCA" cable. If you have no image after trying one of the other connection types then the issue may be with the TV itself which would require servicing. Hope this helps
Many Sony sets use a stereo processing integrated circuit (IC) that causes this problem when it goes bad. The part is an SBX-1637-11 and is available from several parts suppliers. One I use a lot is MCM, and their page for this part is here.
Changing the IC is not difficult if you have some experience working with soldering electronic parts. If you're not comfortable with the idea of doing this yourself, a TV shop could do the repair and the cost would be much less than a new set. It would definitely be worth repairing if the picture still looks good to you.
It is not a matter if your TV is compatible with a digital signal, it is the signal being offered to the TV. Meaning, if you are using Cable TV, you are fine and need no further action because the digital signals are already converted by the Cable Box into either an analog TV (RF) signal, or a PBR (RGB or Comp.Video) signal which the TV understands via a separate input (external video input).
Check is RF Antena/ Cable connected? If yes, go to TV Menu and select Auto-Program. TV will start tuning and search all available channels on cable/ on-air. If there is no channel reception, TV has defective Tuner. If you know basic electronics knowledge, replace the Tuner or contact nearest Sony repair shop.
Is the popping noise coming from the speakers? If it is, lowering the volume to zero does not stop the popping from the speakers, then you have an audio output failure. If the sound is not from the speakers, you probably have a high voltage leak. If this is the case, are you in a moist environment or using the set near a window??
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