Question about RCA 35V432T 35" TV
Our tv worked fine yesterday afternoon and we went to turn it on last night.
The screen is black and it is making a loud clicking, crackling, zapping sound. Is there anything I can do? Thanks in advance.
What you are hearing is the discharge of high voltage which if it hasn't already failed, will fail if allowed to repeat too often.
The only thing you might try after unplugging the set for a minimum of 24 hours, is to remove the back shell (shouldn't be more than 8-10 screws around the perimeter and perhaps one or two around the connector cutout) and with a clean paintbrush and a vacuum cleaner with the nozzle held close to the work area, brush the CRT (picture tube) free as possible of accumulated dust, paying particular attention to the area around the large rubber cap with a cable leading to the circuit board.
I can't stress enough that the set must be ignored to allow the 25,000 plus volts that are present on the CRT when operating are given a chance to 'bleed off.' This voltage doesn't often kill anyone since it is a short-term discharge with the set off but I have seen it punch a hole through a thumb.
If you are lucky, the horizontal circuit is not in its death throes but only discharging through a layer of typical household crud. Unfortunately, this will not likely help you and you will require a tech to locate the problem. Good luck finding one that isn't dead or retired yet; we are dwindling.
Posted on Sep 29, 2008
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Posted on Jan 02, 2017
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