Question about RCA F19436 19" TV
While adjusting the "rabbit ears" on the TV one of them touched a floor lamp. The lamp wasn't on, but it's a 3-wire lamp so its exterior is grounded; there was a brief spark and the TV quit. I took the back off the TV and replaced the fuse on the PCB; unfortunately, there must be a bigger problem because the new fuse blew immediately as soon as I pushed the power button.
If the fuse blows the instant the power is switched on, there is most likely a heavy short in the primary side of the power supply. This could be the rectifier diodes or the switching transistor (or IC). If you do not have experience identifying and replacing shorted semiconductors, allow a qualified tech to handle it for you.
Posted on Sep 03, 2007
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Posted on Jan 02, 2017
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