Question about Sony Bravia Xbr-46hx909 46" 3d 1080p Led-lcd Tv - 16:9 - Hdtv 1080p - 240 Hz

Open Question

I HAVE A SONY XBR-46HX909 AND WILL NOT POWER ON AT ALL I WAS THINKING MAYBE ITS THE POWER SUPPLY OR SOMETHING THAT HAS TO DO WITH THE POWER.

NEVER DROPPED/ NO WATER DAMAGE, BUT IT WAS MOUNTED ON THE WALL. ALWAYS IN A COOL AREA ONLY ON MAYBE 7-8 HRS A DAY MOST TIMES LESS.

Posted by on

Ad

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad
Arpi
  • 326 Answers

SOURCE: Post Storm Problem

Hope is last to dye. Be calm and contact the technician with best references or Authorized Sony Service. If you need more info please advice

Posted on Apr 12, 2007

Ad
Slinteriors
  • 8617 Answers

SOURCE: kv40xbr800 standby flashes 7 times, sony 40"

7 blinks on a sony indicate that high voltage has exceeded 33K and the set is going into safety shut down. Check your Horizontal and rgulator circuits. Something in those circuits are causing the increased voltage.Hope this helps let me know if I can help you further.

Posted on Jan 11, 2008

jerryg50
  • 1667 Answers

SOURCE: Sony 36 Wega XBR Flat Screen - sudden death.

This could be a scan amplifier failure, and there is a loss of high voltage to the CRT. Part of the power supply may have also failed. In these sets, if the CRT emission goes low in emission, or the CRT goes defective, the bias supply to the CRT will go in to protect.

An experienced TV service tech can troubleshoot the set and give you an estimate for service. Considering the age of the set, the cost of service may not be worth it.


Jerry G.


Posted on Jan 08, 2009

jerryg50
  • 1667 Answers

SOURCE: sony trinitron xbr red diagonal lines appears then screen turns

In cannot remember if this model of set uses on the CRT drive board a drive IC for the CRT colour channels, or if it uses descrete transistors. I have had component failure on this board that causes your description. The failure in your case would be with the red channel drive. Most of the time I had the semiconductors fail, and some of the support components.

Most of the time, a failure on this board is caused by some intermittant internal arching inside of the CRT. If this happens, the CRT is starting go defective.

Another cause of this fault is that the CRT is starting to go internaly shorted between the control grid and screen grid. As it heats up, the shorting becomes lower in resistance, and thus causes the pricture to go brighter until the protection turns it off. This would be with the red electron-gun.

With any failure with the CRT, the set is not worth to fix even if you can find a CRT for it.

Jerry G.


Posted on Jan 09, 2009

  • 106 Answers

SOURCE: picture won't come on

1. See the ugly red color bands on the television set? These can also occur in blue and green. We're going to fix these!
1_sony_convergence_red_lines_bands_projection_tv_problem.jpg
2. Front shot of the television. Their are two screw holes on the front of the unit near the edge of each side right next to the speaker grille.
2_sony_projection_tv_front_screw_locations.jpg

3. Close up shot of the screw hold. It is covered by a plastic cover that has two tabs holding it in. Carefully pry them out with your flat head screwdriver. Do not apply too much pressure or you can break the tabs off. Once the covers are removed, unscrew the two screws with a Philips screwdriver.
3_sony_projection_tv_repair_screws_1.jpg
4. To remove the cover, pull from the bottom of the front case and rotate towards you. Once you rotate it out, the top will disconnect and come loose. Do not pull it off, as there are cords attached. (see picture) Loosen the cables attached with the twist ties and set the front cover to the left side.
4_sony_projection_tv_cover_off.jpg

5. With the speaker grille and cover removed, you now need to remove the wood panel to expose the inner electronics on your Sony HD TV. To do this, remove the four Philips head screws from the panel. Then, pulling from the right, rotate the panel off and the electronics will be exposed.
5_projection_tv_cover_guns_tubes.jpg

6. This is a picture of the inner electronics of your Sony Rear-Projection High Definition television. The little black box towards the front of the unit is where we will concentrate our time as it is the control for the voltage & convergence adjustment.
6_voltage_projection_red_blue_green.jpg

7. When focused in on the controls, you want to concentrate on the bottom row for the voltage / ray gun projection adjustment. The colors are labeled below and from left to right are blue, green, and red. Choose the one that needs to be adjusted and turn ever so slightly with your Philips screwdriver to remove the lines. In my case, the red just needed to be turned 1/8 of a rotation to be back in adjustment. Do not turn to quickly or abruptly or you could possibly damage your TV by varying the voltage too quickly.
7_red_blue_green_voltage_band_adjustment.jpg

Posted on Mar 24, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Problem turning tv on.


The switch could be no good or, more likely, the power supply is failing

Jan 16, 2013 | Sony BRAVIA XBR 52 in. LCD Flat-Panel HDTV

1 Answer

Sony BRAVIA XBR KDL-46XBR4 HDTV LCD Television


you need to replace defective capacitors in the power supply of the tv

Jan 05, 2013 | Sony Bravia XBR-Series KDL-46XBR4 46-Inch...

1 Answer

2002 36" Sony Trinitron XBR High Def TV. When you


Hello,

Your power supply board is dead, do you know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

I hope this will help in solving the problem..

Aug 05, 2011 | Sony FD Trinitron WEGA KV-36XBR800 36" TV

1 Answer

I was watching a dvd on my week-old Sony Bravia XBR-52HX909 for the past three hours when the screen suddenly went blank. The standby indicator light in red started blinking. I attempted to turn on the...


This tv only a week olds,should never having this problems already.The tv should be return and get a new tv for the replacement,this tv have tv Tuner signal board or tv power supply board distrubution problems.Even when the store test it out it work,don't take that tv back.Insit they give a new tv for the replacement.

Dec 13, 2010 | Sony Bravia XBR-52HX909 52 in. LCD HDTV

1 Answer

Unit will not turn on. Power light is red and blinking. TV is less than 90 days old.


This tv is having it power supply board issues.Call Sony Corp.for ur tv warrenty repair.

Nov 17, 2010 | Sony BRAVIA XBR 52 in. LCD Flat-Panel HDTV

1 Answer

Sony trinitron xbr 40'' tv turns off immediately after turned on using power button


thats not a good model number for sony they usually start with kv- but it looks like is protecting itself maybe its not regulating the power supply

Dec 16, 2009 | Audio Players & Recorders

1 Answer

Sony 36 Wega XBR Flat Screen - sudden death.


This could be a scan amplifier failure, and there is a loss of high voltage to the CRT. Part of the power supply may have also failed. In these sets, if the CRT emission goes low in emission, or the CRT goes defective, the bias supply to the CRT will go in to protect.

An experienced TV service tech can troubleshoot the set and give you an estimate for service. Considering the age of the set, the cost of service may not be worth it.


Jerry G.


Jan 08, 2009 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

Sony xbr standby light problem power wont turn on?


the problem either in short horizontal output x-sistor or in power supply unit.

Oct 20, 2008 | Sony 46IN TV Stand Designed for Model...

Not finding what you are looking for?
Sony Bravia Xbr-46hx909 46" 3d 1080p Led-lcd Tv - 16:9 - Hdtv 1080p - 240 Hz Logo

Related Topics:

38 people viewed this question

Ask a Question

Usually answered in minutes!

Top Sony Car Audio & Video Experts

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers

xxxxxx xxx

Level 3 Expert

4869 Answers

Larry Stiles
Larry Stiles

Level 2 Expert

287 Answers

Are you a Sony Car Audio and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...