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Power on then a pop and flash. Screen stays black can't tell if sound is on or off. I found it next to dumpster but figured I'd fix it for reasonable price. Its a 42in plasma sanyo. no remote

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Check electrolytic capacitors these can go flash pop and smoke.

Posted on Apr 25, 2015

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Posted on Jan 02, 2017

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I have no video ihave audio,the screen stay black


Hi Doug,
Please try a flash light on the screen. If you can see a faint picture, the fault is with the backlights. In samsung LCD TVs it is the bad inverter board which is often found responsible for this fault.
Good Luck.

Jan 25, 2016 | Samsung Televison & Video

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HP5066 flickering


Return it to the dumpster. It is a lost cause.

May 03, 2017 | Televison & Video

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Device will not power on


I found a Magellan Roadmate in the dumpster when I was dumping the trash off my truck.They were even so kind to leave the charging cord.I figured out that the charging cord wasn't connecting to the unit when plugged in.It took 20 minutes to figure out how to pop the case open(retainer tabs on all sides in addition to the screws).Once opened up,it took 5 minutes to repair the solder connections from the power socket to he circuit board.Works like new!

May 31, 2012 | Magellan Roadmate 2035 4370 2036 4040...

1 Answer

My Toshiba 42lx196 will not power up and has a flashing red light that flashes 3 times then off then again and again


I have the same model and the same problem. I was watching it when I heard a loud "pop" and the screen went black and got no response from any controls. I paid $50 at a repair shop to tell me it was the power supply board and would be an additional $275 to fix. I chose to buy another tv but am searching for the part. Here are part #'s - 75003371, PE0071G-1. Some online stores have carried it for anywhere from $70 to $200. The cheapest I have found in stock anywhere is $150. Just google those numbers.

Mar 08, 2011 | Toshiba 42LX196 42 in. LCD HDTV

1 Answer

Toshiba 36HF71 has sound but no picture


Same problem with mine. Relays click, sound, no picture and a flashing power LED. I finally found a schematic online. I went through the high voltage circuits and found the power transistor 2SC5570 was shorted out. There is also a pico fuse in that area but my was not open. I replaced the transistor and prayed the flyback transformer was not shorted. It wasn't, I'm watching my old 36" right now. Not a bad fix (17.00) bucks. Wonder what a service tech would have charged ;)

Jan 02, 2009 | Toshiba 36HF71 36" TV

1 Answer

Where can i find a new power cord?


REPAIR OLD WITH ECETRICAL TAPE IF THE WIRES TOUCHED TOGETHER THEN IT PROBERLY BLEW A FUSE

Oct 18, 2008 | Zenith B27A11Z 27" TV

3 Answers

Microtek 997M monitor doesn't stay on...


The inverter is the most common item to fail on a LCd monitor. Capacitors usally fail the most. Are the tops of any of them popped up. If you had any shorted transistors the fuse would probably be blown. Usally labeled F1. I would replace all the capacitors first and go from there. Capacitors are cheap.

Jun 20, 2008 | Computers & Internet

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