Question about TCL L32D20

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I have to turn off and on many times for [fine tuner?] to get pic otherwise logo comes up then blu screen no pic unpluged etc. many times has worked sometimes afterdecides to work! [?] please help

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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. Surf the site with patience. 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.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Posted on Apr 20, 2016

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The HDD is no longer seen by the system, can't access media library etc. Is there any way of testing if this is an HDD failure or system board issue.


You may have a loose wire or one that's not making good connection. unplug all wires going to hard drive, then reconnect them. Also make sure the plugs to the motherboard is secure. I have this same problem with my pc from time to time.

Aug 25, 2015 | Humax Hdr-Fox T2 500Gb Freeview Hd Digital...

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Vizio vx32L hdtv10a no pic or control, unplug to turn off


After having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound.

HOW I FIXED MINE:Look through the back vents for a white light to make sure the backlight still works. I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine. I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

For me the part number was either (depending on the vendor) : 0171 2272 2174 or it was 3632 0212 0150. Check your circuit and see if any of those numbers match up.

on Jan 22, 2010 | Televison & Video

1 Answer

My tv when connected to a video pics and sound comes normal, but when tuned to a tv station no sound will come but pic is fine.


Make sure your SAP button is not turned on. This will give you a no audio condition when watching broadcasts thru the tuner. If this doesn't help then your tuner could be defective.

Mar 21, 2013 | Sharp Televison & Video

1 Answer

AUDIOVOX fpe3707hr power lights up blue screen but 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.

Jul 07, 2017 | Audiovox Televison & Video

1 Answer

I cannot watch cable TV on Input 1 when Input 2 is activated.


Tries to reset the tv Tuner board back to factory setting.By go into the tv menu.Go to PICTURE,go down to reset the Tuner board.All the HDMI ports should work now.Not,than the HDMI port 2 is shorted and dead,don't used the HDMI port 2.The tv should work fine,or tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.

Jun 16, 2010 | Sharp Aquos LC-45GX6U 45 in. HD-Ready LCD...

1 Answer

Need to unplug/ plug i tv for power to come on?


Sounds like you have a problem on your power board. Most likely a components value is changing after it is powered on for a period of time. this is more common for a resister or capacitor. Do you have any power when it will not turn on, A power led blinking etc quick screen flash etc.
Most likely the bad component (s) will continue to deteriorate until it will not turn on at all. Also it is possible operating your tv like could case more extensive damage. Sound like after its is pluged in for a time it faults and prevents itself from turning on this is called protection mode. When you disconnect power you are resting and at he the time it checks itself the voltages are correct. For more detail and possible solutions post your make, model, and any other useful info.

For parts such as a new power board. Check
http://www.RNS-Systems.com
or E-bay

Oct 20, 2009 | Polaroid Televison & Video

1 Answer

The LCD screen is dark with no sound or picture when turned on.


I had the same problem after having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound.

HOW I FIXED MINE:Look through the back vents for a white light to make sure the backlight still works. I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine. I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

For me the part number was either (depending on the vendor) : 0171 2272 2174 or it was 3632 0212 0150. Check your circuit and see if any of those numbers match up.

Oct 17, 2009 | Vizio Gallevia GV42LF 42 in. LCD...

1 Answer

Everything has been working perfectly for 3 years or so/ done nothing different,use almost exclusively the HDD on my DMR-EH60, then suddenly the TV no longer responds to my commands. Unit goes off and on...


The DMR-EH60 has been working fine for a good five years then it started intermittedly loosing sound when using it as tuner for our display panel. Now there is not sound at all even recordings from TV onto the HDD. Any ideas?

Jul 19, 2009 | Panasonic DMR-EH60 DVD Recorder/HDD...

1 Answer

Turns on but nothing else works


Your probably correct, however, the tuner also has serial/data lines going to it so the tuner can cause that problem but highly unlikely.

Feb 03, 2009 | Polaroid FLM-2632 Television

2 Answers

I have a puzzle for you ,I will describe the fault, and you leave me any information you can gather. The hard drive on Acer (xp) is 40gb, split into c&d drives The disc would not defrag as only 15%...


There is nothing that changing the partition or volume information on the Hard drive would do to cause this issue. My first suggestion would be to unplug the Hard Drive and then try turning the PC on. If you get the Acer logo up then the Hard drive has failed. Otherwise there is something wrong with the Motherboard or RAM.

I would suggest taking it in for Warranty service if it is still under warrnaty, otherwise try what I have suggested. Good luck.

Apr 25, 2008 | Computers & Internet

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