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Tcl 14175. the button for security locked was pressed many times leading its permanent locked. when plugging it to the electric/power source, the standby mode is seen or automatically switched on while the manual functional buttons (tv, menu, volume, channel) remained unfunctional. our tcl 14175 tv lost its user's manual and remote control sensor. it has been 15 days already since its security lock was accidentally pressed. my email add is demoiselle21@yahoo.com. thank you so much.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

premtech
  • 934 Answers

SOURCE: how can i get my tv to stop automatically changing to menu screen?

slapshot,
What you have there could be one of three possibilities. Micro, eprom or tact switches... Tact switches are the small contact switches behind the buttons you depress to turn the volume up and down or change the channel. Sometimes these small switches can become contaminated or breakdown due to corrosion. What we call in the industry a windex syndrom, because the older crts on some models had the swiches exposed just below the lower ridge of the cry where when cleaning the screen windex could drip down onto the switch and cause the corrosion to begin.
Eprom is another likely suspect. This Ic is responsible for storing an array of information including customer settings and other logics convert what the eprom stores into electronic pulses for any number of fuctions. For example press the volume down on your Tv and the eprom has the information to show you the volume bar, the level the volume bar was last set at and the increments at which you are reducing it realtime.
The Micro is another possibility. It acts like a traffic cop engaging various circuits to do or not do something according to a preset list of conditions. Timers, looking at a particular input or yes even bringing up the menu is tasked through the micro controller Ic or micro for short.
The fact that you can eventually get the unit to operate suggests that something in the logic circuit is failing and will in all likelyhood continue to do so until eventually it doesn't work at all...

Posted on Nov 14, 2007

SOURCE: TV controls not working

ARGOS SELL SPARES FOR ALL REMOTE CONTROL DEVICES ON THE ARGOS SPARES SITE. PRICEY BUT WORTH IT!

Posted on Dec 08, 2007

JigSaw007
  • 157 Answers

SOURCE: OSD menu locked

When the OSD is locked, pressing the menu button again and it will take user to OSD LOCK menu. Press (+) to unlock and allow user access to all applicable settings.

Posted on Aug 12, 2008

  • 1 Answer

SOURCE: Panasonic remote and volume/channel buttons do not work

My son put a penny in the SD card slot of my Pansonic flat screen tv. I finally got the penny out but now the volume and tv controls do not work. I can change the channels through my cable box but that is it. The volume does not work on my cable remote or the flatscreen. What do you suggest I do to fix this problem?? Thanks, Josh

Posted on Aug 23, 2009

  • 1632 Answers

SOURCE: plasma tv frozen or locked and remote and tv buttons dont work

This is the best solution for your problem as a 40 year experience with wires etc. Go to the source of your cable signal connector . Open it and clean the terminals with emery paper , sand the end of the cable shiny clean from corrosion , get a new barrel connectors with gold terminals if possible lengthen the ends of the cable , insert and tighten good, use thick rg-16 or rg 40 cable with good insulation ends crimped professionally with a crimpier or buy ready made , not from dollar store. Get a gold plated professional splitter if you need one or two , it will cost about 15 or more each . Make the cable runs as short as possible, using the thick good cables. If needed get a signal magnifier. From radio shack or the source etc. Connect them good and tight . Ground the splitters . Problem solved , you will get crystal clear channel 2 to 7 including 3 and 4 . Isolate the TV cable from other cables and power wires. Vitally

Posted on Apr 15, 2010

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