20 Most Recent Sony BRAVIA KDL-52W4100 52 in. LCD HDTV Questions & Answers


Your TV is in store demo mode.

To fix this, access the TV's menu and find the option to run initial setup. At the beginning of initial set-up, you'll be asked whether or not the TV should be put into Home or Retail mode. Choose Home.

Sony BRAVIA... | Answered on Apr 14, 2018


does the power indicator blink when the set shuts down? If so thats an error code let me know the number of blinks and I will assist with the reason why the set is shutting down.

Sony BRAVIA... | Answered on Mar 11, 2018


Test the power supply voltages after it shuts itself off, mainly the PSON voltage as that will determine if its a main board issue or power board

Sony BRAVIA... | Answered on Dec 30, 2017


it is a board problem
have it repaired under warranty or replaced under warranty

Sony BRAVIA... | Answered on Jun 17, 2017


Yes it sounds like a lemon. A firmware update is the next thing to try.

Sony BRAVIA... | Answered on Apr 28, 2017


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://electronicshelponline.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.

Sony BRAVIA... | Answered on Mar 06, 2017


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/
If blinks continue without any pause, the main board is faulty.
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.

Sony BRAVIA... | Answered on Aug 09, 2016


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
https://youtu.be/wUpnETSm6_k

Sony BRAVIA... | Answered on Jan 03, 2016


Fault to its main 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.

Sony BRAVIA... | Answered on Dec 03, 2015


T'Con board fault. Contact any service technician. If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Sony BRAVIA... | Answered on Jul 02, 2015


Inverters do fail- look around the edges of the LCD panel for a flat cable & connector.
One may go to the main board but you should find another with fewer conductors to a smaller board.
It may be marked with "TDK" a popular supplier for these.

Sony BRAVIA... | Answered on Jun 30, 2015

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