Question about Sylvania Televison & Video
Turned off earlier, no standby light, high pitched hum, wont turn on.
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: High pitched noise
I am about to post a in depth guide about how to fix this problem. It's because a capacitor inside the TV has blown which causes the buzzing high pitched noise. It's really easy to fix however and only costs about £1 / $2 to sort out.
You can read a similar guide here http://www.fixya.com/support/r741402-polaroid_flm_373b_lcd_tv_black_screen but I will shortly be uploading a guide on the buzzing problem!
Posted on Mar 17, 2009
This might be from the IHVT (Integrated High Voltage Transformer), or more specifically a short in the IHVT causing it to arc, producing the high pitched whine, you are hearing. Take the back off of the TV and try to detect where the sound is coming from, more then likely you will notice it coming from the section that contains a large component with a large red cable coming from it, to the top of the CRT (picture tube). Replace the IHVT (with the exact same model) if it is bad.
I hope this helps,
Posted on Apr 07, 2009
I suspect you have a bad set of capacitors in the control module. This problem usually starts out as a high pitched noise but can lead to the TV not turning on. Please see the link below, posted by StivO. It gives step by step instructions on how to replace the capacitors. This is a very inexpensive fix.
Posted on Apr 26, 2009
it sounds like one of the boards are going out I would call sylvania and check with there service dept maybe they can send a tech and part out under warranty
Posted on Jul 20, 2009
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