Question about RCA Televison & Video
Still have no picture or sounde
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Posted on Jan 02, 2017
SOURCE: Polariod FLM 3232 no sound
The audio circuit is located on the main board. You might be able to find one on ebay or shopjimmy.com. Just search your model number and look for main board. Just look at the pic and make sure it looks like yours before buying one.
The most common problem for no audio on this set has been a 10ohm resistor located on the top right corner of this board that fails. The location number is r385, which will be stamped on the board beside the resistor. If it's open(bad), you could change it and save a lot of money.
Posted on Jul 30, 2010
SOURCE: RCA L42FHD37YX8 no sound or
I hope you still have this TV! Your problem is with the power supply, There are three transistors on the power supply that you should change (Costs approx. $0.45). These are adjustable precision shunt regulators. I believe they are labeled IC IC7, IC8 and IC9 which are all the same transistor (part no. TL431AC). While you have the board out, make sure that none of the capacitors are swollen/bulged; if any are, replace.
Posted on Dec 23, 2010
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