Question about Televison & Video
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Posted on Dec 04, 2012
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Posted on Jan 02, 2017
SOURCE: Have a Sanyo Plasma TV
Yep. The power supply in Sanyo Plasmas are generally prone to failures. It could be a failure in the panel not priming, but I doubt it. Turn the lights off in the room, then try to turn it on. If you see the screen faintly flash, the panel is priming, but it is not coming on. If the screen is lit, but is still "black," then it is a control or digital board. If it is totally black with no light at all, then it doesn't entirely rule out the first two, but makes a power supply failure more likely.
They usually have a lot of heat damage to them. If you have tried unplugging it for 15 minutes, then plugging it back in and it still doesn't work, the it is most likely a secondary in the power supply.
I hope this helps you...
Posted on Jan 10, 2009
SOURCE: sanyo dp50747 Plasma HD TV
I just had mine fixed and the guy said " ITS THE POWER SUPPLY" tv nows works fine after repairs but my ps3 won't work on this tv any clue or is it just cheap engineering and I just get what I pay for!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Posted on Jan 25, 2009
Test the preamp outputs - audio/line out - of the TV to be tested on an amplifier . If there is sound then the fault is with the power amplifier within the TV. If not there is fault in the SIF- sound IF and preamap.
To trace you will need to use a signal trace and injection with a voltage check on the output IC. If absent check for open fusible resisitors or if this burns out the IC is short and must be replaced. Check also the speaker.
Posted on Oct 05, 2011
Tips for a great answer:
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