Question about Insignia NS-LCD47HD-09 47 in. LCD TV

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Insignia NS-LCD47HD-09 power supply 715t2802-1 no 12v or 24v just 5v stand by and 5v on

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

budmrtn
  • 11361 Answers

SOURCE: Insignia NS-LCD47HD-09 power on with no picture

Known issue: cheaply made.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there are some troubleshoot you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

Posted on Jul 22, 2010

alpug
  • 1961 Answers

SOURCE: Insignia NS-LCD47HD-09 power supply 715t2802-1

try to disconnect all the output connector from the power supply plug the power supply to the wall outlet then using a voltage meter measure the output make sure you have 5v 12v and 24v output..If one of this voltage is missing then you have to replace a fusible resistor at the power supply..but After powering the power supply and all the output are present and you plug inn the output connector and the 12 and 24 drops then that is a problem on the inverter board and to the audio board you need to replace them...inverter boards is available online at shopjimmy.com

Posted on Sep 06, 2010

budmrtn
  • 11361 Answers

SOURCE: insignia ns-lcd47hd09 i check voltages again solid

It means the feedback circuits for regulating the 12/24vdc is not working, use 12v car bulb (1157) to load down the 12vdc supply and two 1157 is series to load down the 24vdc power supply and see it if still rises up, the stange thing is that you said it rises to 36vdc (12 + 24 = 36), is it being measure correctly?

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Posted on Sep 07, 2010

Testimonial: "great were almost there A+++"

  • 1702 Answers

SOURCE: ihave a insignia ns-lcd47hd-09 tv. when i press

I think your insignia is set for SHOP mode instead of HOME mode. I changed mine to HOME and it's working fine now. Press your menu button and then scroll down to setup. You're looking for Plug and PLay which should be the very first choice. If it's greyed out as mine was you'll have to change your imput from HDMI to TV in order to get to the P&P. Once you're in the Plug and Play your first choice is language. The second should be SHOP or HOME. Make sure to select HOME. You can skip scanning for channels. This fixed my problem with the blue light. The store uses SHOP so if someone plays around and changes something, all they have to do is shut off the TV and turn it back on. Please let me know if this works.

Posted on Oct 12, 2011

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1 Answer

Fuse location on ns-lcd47hd-09


Most modern TV sets don't usually have a separate fuse. Most have a safety cutout (Sometimes a fuse) soldered on to the main power inlet electronic board. Its inside the TV and will require the back to be taken off it. Make sure its unplugged before you do anything!

Jul 01, 2015 | Insignia NS-LCD47HD-09 47 in. LCD TV

1 Answer

Where can I buy a base/stand for my insignia ns-lcd47hd09


This is a common problem. You can try to get one from the supplier but you can also search the internet for a universal replacement

Feb 22, 2013 | Insignia NS-LCD47HD-09 47 in. LCD TV

1 Answer

Power on screen blank


Check and replace the main poser regulator board.

Sep 04, 2012 | Insignia NS-LCD47HD-09 47 in. LCD TV

1 Answer

Insignia quit working after storm


Check the fuses on the power supply board first. They usually blow when you get a power surge. You may be able to replace them and get the TV running for a few dollars. If the fuses are good then the power supply board will be the issue. The main board should not be damaged because the surge has to go through the power supply board first.

Aug 22, 2012 | Insignia NS-LCD47HD-09 47 in. LCD TV

1 Answer

Ihave a insignia ns-lcd47hd-09 tv. when i press the power button the light turns blue but no picture comes on only black screen.


I think your insignia is set for SHOP mode instead of HOME mode. I changed mine to HOME and it's working fine now. Press your menu button and then scroll down to setup. You're looking for Plug and PLay which should be the very first choice. If it's greyed out as mine was you'll have to change your imput from HDMI to TV in order to get to the P&P. Once you're in the Plug and Play your first choice is language. The second should be SHOP or HOME. Make sure to select HOME. You can skip scanning for channels. This fixed my problem with the blue light. The store uses SHOP so if someone plays around and changes something, all they have to do is shut off the TV and turn it back on. Please let me know if this works.

Oct 03, 2011 | Insignia NS-LCD47HD-09 47 in. LCD TV

1 Answer

Insignia ns-lcd47hd09 i check voltages again solid 5v stand by and 5v on but 12v and 24v are not holding raise to 36v then OL disconnected every thing still same problem any suggestions about cause thanx.


It means the feedback circuits for regulating the 12/24vdc is not working, use 12v car bulb (1157) to load down the 12vdc supply and two 1157 is series to load down the 24vdc power supply and see it if still rises up, the stange thing is that you said it rises to 36vdc (12 + 24 = 36), is it being measure correctly?

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Sep 07, 2010 | Insignia NS-LCD47HD-09 47 in. LCD TV

1 Answer

Insignia NS-LCD47HD-09 power on with no picture are there known issues


Known issue: cheaply made.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there are some troubleshoot you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

Jul 21, 2010 | Insignia NS-LCD47HD-09 47 in. LCD TV

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