Question about Samsung HLN467W 46" Rear Projection HDTV

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Hln467w Help, No picture or sound. Will not shut off with power button. Someone sugessted switching Ic or Micon. Where do you get these pieces?

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Re: hln467w

You don't - you would have to replace the entire module unless you have an expensive smt station.
What you're describing is the logic main board and possibly the dmd board as well. Something we call a cascade failure. I'd strongly recommend you take it to a qualified shop and have them do the repair. I can assure you it won't be an easy task for the shop either...

Posted on Nov 19, 2007

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Relay switch keeps shutting off

Hello Jamie,

Do you mean the house power relay? or is there a relay on the TV? if its the TV, and it is hooked up to a multi power outlet, try connecting it directly to the wall and see if this happens.. hope i can be of help!

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remove the lamp and visually check if inside looks broken.if visually do not see any thing wrong,check if you have 300 volts dc supply on the ballast which starts the lamp.if you do then the ballast may be defective.if you do not then the power supply should be checked.
the lamp should always be tried first especially if is older than two years.
note - be aware about the switch at the door lamp.the door should be closed,otherwise tv will not work.if you remove the back cover,make sure to bypass the switch temporarely so you could work on the set.

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1 Answer

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If the picture is reduced in size all the way around, then you are looking at a power supply issue. That would also explain it shutting down.

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1 Answer

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this is most often caused by a faulty lamp or faulty ballast. try resetting the tv by unplugging and leaving it unplugged for 5-10 minutes or so, plug it back in and check it.

you should be able to find the replacement parts via

ballast is part number BP4700017A
lamp is part number
compatible cheaper lamp part number

hope this helps,

Nov 19, 2007 | Samsung HLN467W 46" Rear Projection HDTV

3 Answers

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this could be a number of probs. needs to be ck'd by a tv tech can usually be repaired for a few hundred bucks ic,convergence ic,signal board or power module..note these parts are pricey so trouble shoot to correct part. John

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This sounds like an o-so familar problem. It sounds like the Switching IC or the MICOM has failed

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Sounds like you Switching IC has failed. This is becoming a common problem with this type of TV's. This IC is identified on the board as IC831S (STR-X6456). The chip cost about $24.

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i would first replace the convergance ic

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