Question about Samsung HLN617W 61" Rear Projection HDTV

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How do I test the bulb?

How do I test the bulb. No picture. Can anyone help me with some trouble shooting with no picture. Fans work, I can hear the click as if attempting to start the bulb and nothing. It does this three times and then shuts off.

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Re: How do I test the bulb?

Pull the bulb housing out of the side of the unit and look into the bulb, you will see that it has shattered into pieces inside. Right or left side of unit is an access door with a few screws, loosen and remove the housing holding the bulb. matelectronics carries bulbs.

Posted on Jul 03, 2007

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Takes to long to come on

Maybe a ballast problem. DLP are famous for bad lamps and housing. You must make sure the lamp is a good and exact model replacement. Generic ones that are so called guaranteed to be exact replaments are often not and need to be sent back. And google for ballast replacement and find out how others are handling it.

Feb 06, 2015 | Samsung Projection Televisions

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I have a mitsubishi wd 65738. My picture suddenly went dim. I can still see a picture but the room has to be very dark and its still hard to see. Do I just need to replace a bulb?

Its bulb has got traoubled or its control circuit has some faut with it. it is not a user serviceable item. Replacing bulb can be done by the user according to the instructions in its user manual. But trouble shooting its control section must be done be any experienced service technician. OK.

May 27, 2011 | Mitsubishi WD-65738 DLP TV

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I have a 50V715 purchased in 2004 no picture.

U used this tv alots?About 4 or 5 hours a day?It time to change the projection bulb,the live span of the bulb are over.

Apr 28, 2010 | Hitachi 50V715 50" Rear Projection...

1 Answer

Been following everyone's advice checking

I would start suspecting a DMD board

Aug 01, 2009 | Projection Televisions

5 Answers

Panasonic PT-50LC13 Power Light Blinking Yellow

My Panasonic PT-50LC13 when turned on has a green light for a few seconds you can hear the fans turn on and then you have a yellow/amber light that starts to blink 8 times i have replaced the bulb and the door is closed any ideas?

Apr 01, 2008 | Panasonic PT-50LC13 50" Rear Projection...

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No picture or auido.

Place your ear near the back of the tv and have someone turn the unit on. If the following occur :

a.) If you hear a high pitched whining sound and the fan trying to start but the unit fails to start and goes all quiet it could be a bulb issue. (see owners manual for trouble shooting code of blinking power light in front of tv)

b.) you hear nothing. It may be that the power supply for the unit has failed or its fail safe fuse has tripped. ( call tech this one needs a pro to sort out )

c.) seems like its trying to restart itself but does not quite make it. ( its a bulb issue check owners manual )

Jan 05, 2008 | Hitachi 53FDX20B 53" Rear Projection...

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Picture cuts off at bottom of screen

Do your basic trouble shooting first, disconnecting satelite or cable box, etc. to eliminate bad attached components or cables. How old is the bulb for this model. They are only good for three years of so. $300.00 part. If the main Wega engine is out, look out, expensive part. Have a qualified tech look at your unit. It will pay for itself as the picture looked even better than new after repairs.

Jul 24, 2007 | Sony Grand WEGA KF50WE610 50" Rear...

2 Answers


The bulb is bad, replace it, you cannot test the bulb. You can test the inverter circuit, but you will need a service manual and the knowledge on how to work on and trouble shoot solid state printed circuit boards. Good Luck

Jul 03, 2007 | Samsung HLN617W 61" Rear Projection HDTV

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