Question about Samsung HLN437W 43" Rear Projection HDTV

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I have an HLN437W and it won't turn

My tv won't turn on and the bottom 2 led light blink. I am not sure what is wrong with it and if it is worth fixing. I have been told to change the bulb but I am worried it could be more any solutions will be helpful

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The problem is the fan behind the bulb or the fan behind filter.

Posted on Apr 25, 2009

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Posted on Jan 02, 2017

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My lg 42ln5300 tv has the red indicator light on but when i try to turn it on blinks and it won't turn on


These blinks [flashes] are fault indication (Error Codes).From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it.This will make repair easy.These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times.Count it carefully.If you wish to get some details, check the site linked here.It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.Surf the site with patience.If blinks continue without any pause, the main board is faulty.

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The tv comes on then cuts off within a minute all the front lights blink?


Yes this can be cause by over heating so better check the fan if they are working fine..

Hope that helps........

Jul 27, 2008 | Samsung HLN437W 43" Rear Projection HDTV

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Replaced the lamp in Samsung HLN437W and picture is brighter but not bright enough even after adjusting brightness. Also lamp LED still blinks


A few questions: was replacement just a bulb or bulb with housing and was it OEM lamp from Samsung?

If lamp light is still blinking the issue it has is there---other possible reason would be a ballast that is not bad but putting out low voltage to the lamp or the supply voltage to the ballast is low for some reason.

Actually the set should if the lamp light is still blinking shut off the lamp.

Also are you hearing any high pitched or fan like sound when the set is on?

May 16, 2012 | Samsung HLN437W 43" Rear Projection HDTV

1 Answer

TV light is blinking 2 times and won't turn back on. What does this mean?


Hi,

2 blinks of the led light is an error detected by the unit upon self check. You can isolate where the fault came from if you have a multimeter to check the test point. I can assist you to fix it yourself, click it here.

Jdvillanueva

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Red LED light blinks 7 times when the set is turned on; no pictur


if you have the circuit diagram of your tv,check the horizontal polarisation IC closer to the line transformer and replace it.If it doesn't work,send the question again.

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I have RCA HD50LPW167 DLP TV with NO Sound and NO Audio. The LED blinks when I turn the TV on but that's all it does. Took it to the local RCA authorized repair shop and they told me that the digiital...


Still sounds like a lamp:

TV won’t turn on
• Press the TV button or ON/OFF button while remote is in TV mode and there’s a source of power to the outlet or outlet strip.
• Make sure the TV is plugged in.
• You might have tried to turn on the TV during the lamp cool-down. Wait a few moments and the picture will appear.
• Has the power light on the front of the TV been blinking for one minute? If so, the lamp may be dead. Refer to the Power indicator
is blinking or fl ashing
section below for more information.
• When you fi rst plug your TV into an outlet, the Power indicator on the front panel will light and blink for approximately 30 seconds
and then go off during the initialization of the TV. This happens only when power is reapplied to the TV. The TV can only be turned
on after the Power indicator goes off.
• Check the wall receptacle (or extension cord) to make sure it is “live” by plugging in something else, such as a lamp.
• Something might be wrong with your remote control. Press the POWER button on the front of the TV. If the TV turns on, check the
remote control solutions on page 84.
Remote Setup might be set to the wrong option. Press MENU/OK on the front panel. Select Connections, then Special Features, then
Remote Setup. Choose TV (default).
Power indicator is blinking or fl ashing
If the light blinks 5 times, pauses, and blinks again 5 times, the lamp is trying to turn on. If the TV doesn’t turn on after 5 minutes and
then the light blinks steadily for one minute, one of the following options is possible:
• Lamp door may be open.Face the back of the TV. Locate the door at the bottom of the TV and close it. Turn off the TV and turn
back on. The lamp should turn on.

You can easily replace the lamp yourself by following the lamp replacement instructions. If your TV is still covered by
the warranty, call 1-866-723-6486 to receive troubleshooting assistance and a lamp replacement.
• If your TV’s warranty has expired, call 1-800-338-0376 to purchase a lamp replacement.

To order the correct lamp, you’ll need to know your TV’s model number, serial number, and lamp type—this
information is listed on the Service Model Number sticker (example of the sticker is shown above). Face the back of
the TV. The sticker is located on the right side of the TV.

Hope this helps :)

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Philips 42pf7321d/37 blinking power board question


The probleis with one of the maina boards and trouble shooting would have to be done to see which board is bad.

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