Proview 2020 lcd on/off surfs chanlels by it self, middle of night! Haunted?
I have a Proview Model 2020, LCD. The TV will cut on and off by itself, many times when it cuts on it will surf through channels. I have taken the batteries out of the remote, still does this. typically I must get up and unplug it from the wall, to make it stop. Any ideas?
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mrhackshack, Part of "switch-mode-power-supply" is going into SHUTDOWN mode having detected FAULT with other circuit (INVERTER) maybe???? Inverter lights-up the "cold-cathode-fluorescent-lamps" that provide RAW WHITE LIGHT so you can see all the pretty colors on the LCD GLASS PANEL. Technician will need to evaluate it!! Try YOUTUBE for vids on LCD TV repair and see if you can pull-off a DIY repair. Also see vids of LCD monitor repair and LCD monitor disassembly FYI. 12fixlouie Hope this points you in direction you need to go?????
hi first of all u should check ur transistor connections.Check your Horizontal and vertical output transistors.You should also check the horizontal and vertical yoke connections as well as your low voltage regulators.... if any of these got damaged u should purchase a new one.. but try to purchase with the help of a tv service assistant... thank u!!! rate me
If you have any vertical lines appearing in a LCD flat panel TV, you are looking a defect in the panel itself. If you no longer have any kind of warranty you are best to watch the TV as is and save your money towards a new TV as the LCD panels will cost in most cases twice the amount that you paid for the TV brand new.
Pat I do not know if you have a warranty you were required to retain the receipt from the store for the length of the warranty period to prove you have one ,also it is a good idea to register with the company on their website so they have a record of your tv and model, with your name and therefore the warranty they have included if any.LCD tv's are one of the most unsupported mass marketing consumer items that are being dumped on the US market. I think you have Blown capacitors, or more likely a problem with the power board, typically this requires soldering new capacitors onto the power board after unsoldering the blow ones and if this is all the problem is the issue will disappear, if there is an issue with a transformer, or some diode or computer chip then you might as well replace the whole power board. the capacitor issue is no big deal if you can get an electronics service center to look at the problem.