Sony BRAVIA KDL-55NX720 55" 3D LED-LCD TV - 16:9 - KDL-55NX720 Logo

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Suzanne Posted on Nov 28, 2016

I have a 55" Bravia 55NX720 and ithas no picture. The energy saver light blinks if the energy saver button is on, but nothing else. ANy help welcome

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Xerox 7835/55 copier when go energy savour mood and not wake up how its will fix

To take a Xerox 7835/55 copier out of energy saver mode, you can try the following steps:
  1. Press the "Power" button to turn on the copier.
  2. Press the "Home" button to access the home screen.
  3. Use the arrow keys to navigate to the "System Settings" option and press the "OK" button.
  4. Navigate to the "Power Management" option and press the "OK" button.
  5. Use the arrow keys to navigate to the "Energy Saver Timeout" option and press the "OK" button.
  6. Use the arrow keys to select the desired timeout value (e.g., "Off") and press the "OK" button.
  7. Press the "Home" button to return to the home screen.
If these steps do not work, or if you are unable to access the System Settings menu, the energy saver mode may be locked by the administrator. In this case, you will need to contact the administrator to have the energy saver mode unlocked.
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I havean Bravia 55: 55NX720 TV. The power will not come on. The energy saving light works so think it is getting power, but nothing else. Any help appreciated

The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
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I have an Bravia 55 55NX720 TV. The power is not working. The energy saver light works if the energy saver botton is pushed, but nothing else. Any help welcome

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.
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. ..
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I have Sony Bravia model KDL-55NX720 & it won't turn on.It has 5 blinking red lights.According to a diagram that I found for this TV, I have replaced the TCon Board and the LED Panel. Any suggestions?

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://electro-medical.blogspot.com/

If blinks continue without any pause, the main board is faulty.
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Latest software update kdl55nx720

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.
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The standby indicator is flashing 4 times on my sony bravia KDL55nx720 tv and will not start. Is there something that needs to be reset?

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.Viewing it in "Mosaic" or "Sidebar" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.Surf the site with patience.
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Sony Bravia KDL-55nx720 My tv is stuck in standby mode. Blinking twice.. Would replacing the power supply possibly fix this problem? Please help.

Normally yes. Blinking twice is power protection trip. Look first for open resistor, broken fuses (and short circuits or broken transistors / ICS if thats the case).
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Do not know how to use the energy saver feature

i have a problem for minolta di351 by code c009 pls help me
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