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Where can I find an LG DLP ballast? I ran into a couple online but it's a different part number. Ours is 3850VC0098D (other numbers I saw 913700711405 and EVC120p-11). Had a TV repairman come and he said our lamp was good and it's the ballast that needs to be replaced. Our TV tries to power on but then after a few minutes it just starts blinking red.

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SOURCE: rca 50 dlp hd50lpw175

Yes but did you find a fuse open and changed it?

Posted on Jan 08, 2008

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SOURCE: how to replace ballast in toshiba 52hm84 dlp rear tv.

how do I change the lamp?

Posted on May 15, 2009

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SOURCE: Lamp Light still on after replacement

First, A common mistake made is when you insert the orange ribbon cable from the Color Wheel into the DMD bd. To correctly insert the Ribbon Cable you need to look at both sides. You will see a shiny silver side and a dull black/orange side. You must insert the shiny silver side AWAY from the Color Wheel or towards the rear of the set. Now for the Ballast. When you power up the tv,Do you hear a short Buzzing sound? If you do that means that the Ballast is trying to fire up the Lamp and is working. Next, do you hear the Color Wheel spin up? If you do not then you have installed the Color Wheel incorrectly and you need to repeat the installation while making sure that you hold the rubber gasket in perfect place or else it won,t work. Chances are the gasket is in the wrong position and is binding the Glass Wheel. The Ballast is on the right side of the engine and on top of the Lamp Housing. You will see two RED High Voltage wires coming out of one end. Don't worry, there is no stored voltage in the ballast so you won't get a shock providing you have unplugged the tv from the outlet. That is the first step before you change any parts any way. Listen for the correct start sequence. With the rear backing off and the Safety Interlock Switch is being held in the up position, turn on the set. First sound you hear is a clicking which is the power on relay engageing. Then you will hear the fans turn on and then the Color Wheel spin up. Once the Color Wheel spins up and comes to full RPM then the Exciter on the Ballast will Buzz for less than half a second and then the Lamp should light up. Now if you have installed the correct Lamp and correctly installed the Color Wheel and you either are holding up the Interlock Switch or have reinstalled the rear cover and tightened all of the screws you should have a working tv.

Posted on Jul 16, 2009

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SOURCE: Mitubishi WD 62725 - Ballast Problem??

Could be the FMT pcb or the Dm pcb board you should check the caps on them and replace any faulty ones.

Posted on Nov 14, 2009

Slinteriors
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SOURCE: Samsung DLP HL-R5667W lamp won't fire. Changed

Was the replacement lamp the same part number as the original as there are different arc gaps for different lamps and the wrong arc gap will cause the lamp not to light. Since the ballast is powering up the lamp should light if the baalast is matched to the correct arc gap of the lamp being used.

Posted on Nov 27, 2009

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