Question about Sony KDS-R50XBR1 50" HDTV

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The standby lamp flashes 3 times, I tested the access door switch, its ok. What next?

I thought the bulb was bad. replaced still does the same thing. could the ballest be bad? how to test Please.

Posted by Anonymous on

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Anonymous

  • 320 Answers

SOURCE: REPLACED LAMP

The switches (there are two of them) can be bypassed but it isn't a fun job. There are 3 connections on the switch boards and if you connect all 3 together, that should bypass the switch. There is one switch on the door and another located on the lamp socket board. You can bypass on the door but there is no way I can describe how complicated it is to get to the one on the lamp socket. So, try jumping the one on the door and see if helps. REMEMBER THAT THE LAMP IN THIS SET CAN CAUSE BURNS, VISION DAMAGE AND OTHER PROBLEMS SO AFTER YOU HAVE JUMPED THE SWITCH, PUT THE DOOR BACK ON AND MAKE SURE YOU HAVE THE CORD UNPLUGGED WHEN YOU WORK ON THE TV.

Posted on Nov 15, 2008

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welcomejee

Shahid Electronics

  • 10594 Answers

SOURCE: XL 5200 bulb replace and NO Picture or Sound

3 times blink error code shows Lamp Door is not seated / fixed properly, please recheck it and make sure that door close safety switch is pressed as this switch sends error signal to system control chip.

Posted on May 30, 2009

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Anonymous

  • 261 Answers

SOURCE: KDF-E42A12U - Three Standby flashes???

There is the possibility that you might have a defective ballast, it might not have enough voltage to keep up with your new lamp, and that's why it switches off and makes the 3 indicator lights flash, letting you know that the bulb is defective, but it's not the bulb, it's the ballast

Posted on Jul 14, 2009

Paul

  • 381 Answers

SOURCE: sony wega kf-ws60s1 , standy by lamp flashes 6

thermal fuse by lamp is open. replace it.

Posted on Dec 08, 2009

Slinteriors

Sonny Berry

  • 8617 Answers

SOURCE: kdf-e50a11e diagnostic codes

3 blinks is indicating the lamp has burned out. Aftermarket lamps tend to fail quickly. Only use oem replacement lamps for your sony. You can get replacement lamps from www.tvrepairworld.com

Posted on Feb 08, 2012

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2 Answers

The power standby light flashes 3 times. checked the lamp door access switch, is ok what next?


If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
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. You might have replaced the bulb. But, have checked the ballast? Checked whether ballast board get voltage from the power board? Check these.

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Three flashes is lamp cover/lamp position error, it means the lamp cover is not set right, or the lamp is not in the right position. There are two micro switches to detect the lamp position, and lamp cover. Please reset the lamp and the lamp cover (door).

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I push the power button standby light turns red & blinks 3 times 7 THEN TURNS OFF


If the standby light is flashing 3 times. (your post says 3 times 7) I was unclear... A error code of 3 blinks inidicate that the door covering the lamp is not secure oer the lamp is not secure. Make sure the lamp door is seculy screwed down. ussally the door push a little switch closed. If this doesnt work the next thing to try is to remove the bulb carefully(dont touch the lens) and replace it making sure the bulb is in place securely. let me know if i can help any further

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Kdt-42we655 red/standby power switch flashes 3 times at a repeat, after tv is turned on just replaced bulb after last on burned out causeing small amount of damage due to clugged fans


Your lamp door is not secure. You may need to replaced the door if it warped. PN: X-2048-503-3. Also, you need to address the clogged lamp fan, it should be replaced. PN: 1-787-460-11.

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Tv wont power up Standby light keeps flashing.


First step in any Sony LCD projector repair is bulb or lamp replacement. Fixes 95% of problems.

Taking apart and trying to measure things without a known good bulb is a waste of time and effort.

easyab

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The tv will turn on but no the screen wont. and


Replace the lamp would be the first thing to try. Lamp door switch on this model is notorious for going bad. If you replace lamp and still won't turn on jumper door switch. If you take off back you can see switch board.

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Please recheck Lamp Cover and make sure it is fixed in its space securely as 3 times red blink shows lamp cover error.
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1 Answer

A new bulb has been replaced. The red power light


Are you SURE that the lamp door switch is properly in place?? This sounds like a problem of this type. If this is Ok, and the lamp does NOT try and strike, check to see if the fans are starting. if they try and start, and then the set shuts down, one of the fans is bad or clogged with dirt. If NOTHING happens but the 3 blink code and the door switch is ok--perhaps the thermal sensor above the lamp has opened, due to excess heat and/or poor ventilation.

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I had the black & white dots on my 46" HLS4676S..Replaced the DMD chip..Plugged it in and the indicator lights then said I had a bad bulb...Installed a new bulb and the same thing happened. Turns...


Make sure you have firmly seated the new Lamp. The next step is to go to the rear of the set and put your ear next to the Lamp Door while turning "ON" the tv with your tv remote.
You should hear a short buzzing sound. That is the Ballast "Exciter" firing up to light the Lamp. If you do not hear this buzzing then you probably have a bad Ballast. Ballast part# is BP47-00037A

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KDF-E42A12U - Three Standby flashes???


There is the possibility that you might have a defective ballast, it might not have enough voltage to keep up with your new lamp, and that's why it switches off and makes the 3 indicator lights flash, letting you know that the bulb is defective, but it's not the bulb, it's the ballast

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