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Sharp Aquos LC-42D62U 42 in. LCD HDTV Questions & Answers
Red line in the middle of my plasma screen
Hi leprecoce,
One transistor out of millions has failed shorted. That is an unusual failure mode, but not unheard of. The chip can probably be replaced, you might want to check google maps or
http://tvrepair.com for a repair shop near you.
Most shops should be able to give you an estimate, I would guess around $300, unless the chip is hard to get.
We have over the air T.V. On digital channel 9.1
switch TVs and see what happens. If the problem now occurs on the old TV, it is the TV. If the problem occurs on the new TV, it is the location. But use a ground fault tester in case that socket has some kind of ground fault
SHARP Aquos 42D62U No picture.
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
I have a DDTV stb
Capacitors (mostly on power supply circuit but also other cards) low capacity (due to old age and poor quality). Need specialized service.
Snowey on scrreen
Hi there,
I've been repairing TV's for over 15 years and I would say either a bad Tcon's or main board issue. Theirs no need to replace capacitors these days, you can get the main board from $40-60.
Have you tried using different devices on the unit? If your getting a snowy picture on a satellite receiver, check with your provider for troubleshooting guide their unit. Or let me know the provider and I can lead in you right direction.
Thanks,
Jason If you need further help, I’m available over the phone at
https://www.6ya.com/expert/jason_70466cb634a57543
I can look at tv for about hour and then it will start turning off. After it has that for 2 times you cant turn it back on for hours
Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Has developed a small horizontal line on the screen
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I have vertical lines showing up
Try one more thing, remove all the connections to t-con board the and clean the terminal of the wire. you can use an eraser for that. with the eraser rub the contacts on the end of the wires. do not use eraser on the sockets which is on the boards.you have clean only the wire. after cleaning connect it back and check. if then also the is lines there is line then you need a new t con board. There is also a chance of panel fault but it can only confirmed by replacing the t con board.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience
http://electro-medical.blogspot.com/
Why won't it turn on?
Check the remote control for its infra-red emission. Check it with fresh batteries. Check by pressing all the buttons on it; and see whether all of it generates infrared signal while pressing. If it is found OK, check and replace the infrared sensor inside the TV.
Also there can be Fault in the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
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