Question about Samsung HCM4216W 42" Rear Projection Television

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It won't turn on

I tried the unplugging of the cable to see if its the convergence board and that was not it is thier anything else i can do...

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It could be the lamp, the ballast, or the color wheel. Last resort would be to check the power supply to the TV.

Posted on Jul 01, 2008

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I have a pth5498 when u plug it in tv doesn't come on just makes clicking noise no tubes light up or anything just sound and front power light....


There could be many items that can cause that symptom. However I always assume convergence on any rear projection which can easily be checked by unplugging the convergence amp board and then plugging in the set and press power , if the set powers up turn it back off, and you will know the convergence ICs and associated resistors on that board have failed. Although its easier to replace the board unless you have good soldering skills. I am pasting a pic of the board which is suspended above the main chassis just mark the wires then unplug the set from the wall first, but then unplug the wires from that board and then try powering up the set.if you need further assistance , respond to this same post slinteriors_21.jpg

Aug 12, 2011 | Akai PTH5498 54" Rear Projection...

2 Answers

Thin horizontal black lines


It looks like either failing convergence IC chips or a couple busted capacitors around them. This will need to be given for servicing.
You could try a hard reset first though: Unplug the TV from the power socket, remove all cabling, wait 5 minutes and replug to wall socket and redo cabling.

However, I think that you could have either convergence problems or a failing power board, for which you will need to get the set serviced.

Hope that helps!

May 25, 2008 | Samsung HLN5065W 50" Rear Projection...

1 Answer

Tv will not turn on


If it is a convergence issue, you can unplug the cable that connects the two boards all the way toward the front. If the tv comes on with a VERY bad picture(no convergence) then your problem is in the convergence ckt. If not, you could have problem with your small signal board. Also, the "yellow" problem you are having is that the cooling fluid in your blue tube is getting cloudy and needs to be changed.

Jul 06, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Need to do a convergence alignment on RCA rear projection unit.


replace convergence amp board.
this is a RCA tompson part number, you can find it on line the part number is.
#264103

regards,
daniel.
PS thier are manny ways to repair your board and manny parts to look at its much less time consuming to just replace the board.

Jan 12, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

4 Answers

Convergence nightmare


If this is a ITC222 chassis then you need to check the fuses that are near the flyback. I would also unsolder all the pins on the flyback and re-solder them as the factory lead free solder tends to crack and cause issues with the convergence. Re-solder it with common 60/40 solder you can pick up from Radio Shack or other places.

Jun 25, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

NO POWER TO TV


This sounds like a bad convergence board.
You didn't mention the model but I bet its a samsung rear projection HDTV.
If the convergence board fails, you can diagnose by pulling the power leads to the 3 convergence circuits, then power on the tv, if it lights (picture will have very bad convergence) then that is most likely the cause.
You can usually buy a new convergence board for about $80-$100. Look on eBay by the make and model of the TV.
And its real easy to replace.

Nov 26, 2007 | Projection Televisions

3 Answers

TV will not turn on...


Convergence board failure. $300 repair

Sep 19, 2007 | Akai PTH5498 54" Rear Projection...

7 Answers

Samsung HCN4226WX/XAA Rear Projection 42" TV Wont Turn On


take off the back there is a board at the top right with two black stk-392-040 chips on it unplug the red connector at the left side of the board then plug set up and see if it comes on if so the chips on the board are bad or replace the board about $100.00

Aug 02, 2007 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Blue power light constantly on...


possibly shorted crt drive ic on crt board.

Jun 14, 2007 | JVC AV-48WP30 48" Rear Projection...

1 Answer

How do I replace the convergence board in this unit?


Yes the board can be replaced, but you may also need to do some touchup alighnment to the convergence, and maybe need to reprogram the magic focus or whatever the ato convergence is called on your set, if it has that feature, Good Luck

Jun 08, 2007 | Samsung PCN5425R 54" Rear Projection...

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