Question about Samsung LE32R74BDX 32 in. HD-Ready LCD Television

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I have a lnt3253hx whose backlight wont come up. if i unplug it from the ps and plug it back it lights for about 2-3 seconds and goes out.

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  • 321 Answers

That is your ballast pwr supply need to be fix
?some capacitor and regulator are defect
hope that help.
thanks

Posted on May 06, 2010

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Posted on Jan 02, 2017

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Klv32s310A sony bravia gets start on with green light and after a second turns to stand by mode blinking the red light 6 times after each 2 second interval


Hello Sagar,
green led means tv powered on and status ok.
Red blinking light almost always means defect, overcurrent or overload.
6 blinks for Sony lcd flat tv means trouble in backlight circuit, or backlight inverter (backlight illumination or lighting makes your tv screen visible).
common problems in the inverter circuit, which drives the backlight, or shorted drivers, or short-circuit transformers or open circuits.
You should find the problem in the inverter circuit, or in the power supply board or in the main board.
Also look for bad capacitors (electrolytic caps) which are bulged and swollen on top.
Decoupling plugs from printed circuit boards can help you in finding the problem board by elimination method.
If you power up the set after unplugging certain plugs on f.e. the inverter board , this could result in getting a green power led and concluding that this board is faulty.

succes,
Walter from Antwerp, Belgium.

Dec 30, 2014 | Sony Televison & Video

2 Answers

Keyboard stopped working


http://www.ascendtech.us/emachines-kb-0705-ps-2-keyboard-black_i_kbdemkb0705bps2.aspx

Things I see here.
1) The second Keyboard you plugged wasn't any good either.

2) The PS/2 port for your keyboard on your motherboard, isn't any good anymore.
Computer off, plug it into the Mouse PS/2 port, and use a USB mouse.
BIOS will reset the I/O address for that PS/2 port, and set it for the Keyboard, when the computer is turned back on.

You may have to;
A) Turn the computer off
B) Unplug from power.

C) Press the Power On button in, and hold it in for a count of 10 seconds. Let go of the Power On button. Do this same procedure two more times.

What you are doing is draining residual power, clearing CMOS Error Codes, and resetting BIOS back to the factory default settings.

Keyboard plugged in, USB mouse plugged in, plug the computer back into power. WAIT 1 minute, turn the computer on.

Still no?
Motherboard replacement.

You didn't unplug the old Keyboard, WITH the computer on, and plug the new Keyboard in, did you? It isn't a hot-swap device. The computer must be off when unplugging a mouse, or keyboard.

For additional questions please post in a Comment.
Regards,
joecoolvette

May 28, 2012 | Computers & Internet

1 Answer

When I plug in the monitor the green power LED comes on for approx 2 seconds then goes out. If I unplug the monitor for at least 10 seconds it will repeat the light on for 2 sec. If I unplug it for less...


It can be power supply, backlight inverter, or bad lamp assembly. You need to open it up and do in-depthtroubleshooting. Please read below and look at pictures, learn ablut bad caps, how LCD monitor works.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://en.wikipedia.org/wiki/Capacitor_plague
Learn about bad caps: Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Nov 25, 2010 | BenQ T701 TFT 17" LCD Monitor

1 Answer

I have an Acer AL1912 that when you plug in the ac, the green power light will blink for about a minute and a half then go solid. The backlight will come on and you can see a faint ghost of vertical lines...


If it is still in warranty call the manufacturer.
if not give more info elah4@zoominternet.net. May be somthing simple like a cable
shutdown computer unplug then disconnect the video cable on the computer from the monitor, plug monitor back in and turn it on, there should be a display that says no video source within a few seconds, if unit is working properly. shutdown and connect video again and then reboot computer. sometimes it just takes a compleat power disconect to reset things,

Jan 30, 2010 | Acer AL1912B 19" LCD Monitor

1 Answer

Wont Turn ON


(1) Hit the reset button for 5 seconds.
(2) Hit the reset button, slide down the on/off slide, and have it plugged into the computer at the same time. Hold for 5 seconds.
(3) Hit the reset button again.
(4) Charge it for at least 10 hours in the port in the BACK of your computer.
(5) After 10 hours, unplug the player and press the + volume button. While still holding it, plug the player back in. Keep holding it for 5-50 seconds. (most likely nothing will pop up).
(6) Let the player sit UNPLUGGED for a good 3 hours.
(7) Plug the player back in (it should light up now). Let it charge the usual time it takes to charge for an empty battery, about 6 hours.

Sep 14, 2009 | Creative Labs ZEN V Plus MP3 Player

1 Answer

Top up tv dtr box froze then staying on orange light, wont work


i had same problem today, it had locked up during deal/no deal
unplugged it three times nothing happened, wouldn't switch on
unplugged again left it for 5 minutes
then plugged in and left alone for 15mins plus
lights flasing then evetually green light went
all ok

May 03, 2009 | Televison & Video

1 Answer

Controller still wont work


Hmm. I think i'll need a bit more info please.

When you reset your PS3 and the system's light goes red and you hit the PS button your controller the four lights just flash? Is that right? The only time your controller will "connect is when you plug it in with USB?

Try this. Turn your PS3 on. Press the reset button on the back of your controller and hold it for a few seconds, then press the PS button to see if it connects then. If it doesn't you could try removing the internal battery from the controller and putting it back in. That might clear up any settings that were saved in it.

Let me know how it goes.

Jun 24, 2008 | Sony Playstation 3 (PS3) Console

2 Answers

Flashes on then goes black


The green light only lets you know there is a valid video signal reaching the monitor. If the green light was not "on" your problems would possibly be within the pc itself. Something is not holding the circuit for the backlight "on" thus going black. Suggestions are: 1. Take it to get it repaired (if not under warranty) Hyundai carries a 3 yr warranty on this monitor. Website provided. 2. Buy a new monitor http://www.hyundaiq.com/Eng/Customer/CusSvc/Csvc.asp

Aug 27, 2007 | Hyundai L91A 19" LCD Monitor

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