Question about Hitachi 61SDX01B 61" Rear Projection Television

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Everthing works on the tv, but there's no visible picture... are all 3 lamps bad or is it something else? Is there a switch to turn on the lamps that may be out?

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R43 location 2.5 ohm , 2 watt resister drives the lamps , when i changed mine it was measuring 12 ohm brightened the screen back up

Posted on Jan 19, 2009

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Probably one or both convergence amps have shorted.

Posted on Nov 07, 2008

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Got a Samsung dnie model code spp4251x/data tv when powering up the front light comes on but no picture or anything anyone got some good info??


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Jan 09, 2016 | Samsung Televison & Video

1 Answer

When installing new lamp, should ballast be replcaed also?


Is there any noise coming from the cable box? My TV had similar problems, and when I had Comcast change the faulty box, the problem stoped

Jul 02, 2014 | Mitsubishi WD-62327 62" Rear Projection...

1 Answer

The picture wont stay on the screen, sound will work, but i cant see it (the picture), if i turn it off for a few minutes and then turn it back on it works for a little while, but eventually it will go...


This is a backlight issue. LCD televisions require a light to be on permanently behind the visible LCD. This is usually provided by tubes called CCFL or cold cathode flourescent lamp. There will be multiple lamps arranged around the edges of the screen. It sounds most likely to be a due to one or more bad capacitors, which can be easily replaced by anyone experienced with electronics.

It could be a faulty inverter transformer but this usually causes the backlight to switch off within seconds of switching on due to protection circuitry in the inverter controller circuit. If the inverter circuit is faulty then the inverter board can be replaced.

If you are not competent with electronics then take your TV to be repaired by a qualified Tv repair engineer.

Feb 12, 2011 | Vizio Televison & Video

1 Answer

Our philips dlp tv was getting a dark picture then today no picture but sound then the whole tv shut off and will not come back on do we need to replace the lamp?


Definately sounds like a bad lamp. A lot of times you can look down in the lamp and the filament will be broken or busted up. That would tell you for sure, but even if it is not visibly bad, I would definately try replacing the lamp first. I've changed many of them at our shop, and your description is definately a common symptom of a bad lamp in any dlp.

Jul 29, 2010 | Philips LX-5414 DLP TV

2 Answers

Sony Wega KF-42E200A Projection Bulb


New bulb is just fine.
3 blink shows that lamp cover after replacement of bulb in TV is not fixed properly or not seated well in its position.
Put new bulb and carefully place back lamp cover in its position because lamp cover will press tinny safety switch inside that will send signal to system control of TV that lamp is installed properly.
Turn On TV and get vivid picture of Sony.
Thanks.


Oct 17, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

60 inch sony wega tv


Green flashing is normal. Red flashes are error codes. Count the error flashes.

3x - Lamp cover position or cover detect switch bad.
4x - One or more fans failed RPM test
5x - Lamp power supply/ballast failure
6x - Thermal fuse failed (usually)

Oct 16, 2008 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

JVC TV lamp indicator light blinking new lamp


if you purcased a LTI lamp then the possibilty of a bad lamp may be the case. LTI lamps are cheap and are poorly manufactured. if it is a JVC lamp then you may have further problems such as lamp balast, or thermal sensor. clean the fans and filtersfor better air flow. keeping the lanp cool is important for the life of the lamp.

Apr 19, 2008 | JVC HD-61Z575 61" Rear Projection...

1 Answer

Benq PB6200 projector lamp or other problem


Hi there

I replaced a Mainboard on a BenQ PB6210 just yesterday - had all the same symtoms.

No LED lights coming on but the rest of the buttons has light.

Tried every other component from the lamp to the colourwheel , but the Mainboard replacement fixed it in the end.

You'll be looking at about $95 for the part

Apr 07, 2008 | BenQ (200NSH-LAMP) Projector Lamp for...

2 Answers

Replaced bulb. Still doesn't work.


Make sure the safety switch or the lockout switch is not activated. Usually near where you opened up to replace the lamp. Sometimes the switch is visible and other times it isn't. IF you can see the switch, manually hold in and see if set turns on then. IF it does, you have just solved your problem. IF it doesn't it could still be a bad power supply or better known as a ballast powersupply. Listen for a buzzing sound. That is better know as the powersupply trying to fire up the lamp. If u hear that it is most likely good. Also, Keep in mind, that the new lamp could be bad!! Just because it is new, Doesn't always guarantee that is GOOD. Try these things and get back with me. Good luck....GURU JAY

Feb 23, 2008 | Zenith E44W46LCD 44" Rear Projection...

1 Answer

No sound or picture


HLP, HCN HL-S The Start-up Problem or/and
3 LEDs in the front blinking.

Unplug the set, pull out the lamp module (not all the way - leave it on the track) and push it back in.

Power issues (Tv not turning on) were typically due to faulty ballast. While the TV reports a bad lamp it is the ballast itself causing the issue. Samsung is well aware and will replace both the ballast and the lamp (since the lamp can be prematurely aged but the bad ballast). After replacment most people stop having issues.

Sep 29, 2007 | Samsung HLN467W 46" Rear Projection HDTV

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