Question about Philips Magnavox 51MP392H Rear Projection Television

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Bad convergence board?

But all the lights come on with the one board unplugged from the rest. I found a site that sells my convergence board, but I'd hate to spend that much money if it's not going to work.

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Check the site www.magnavoxhelp.com. They have kits to fix this common problem.

Posted on Jun 24, 2008

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I have a AV-56WP74. Recently it stopped working. If the unit is powered on, the speakers just thumped like a heartbeat. Then the power light just blinked. I found some solutions on this site. I found a 2.2...


replace the ICs

here is a tutorial I made:
http://www.fixya.com/support/r5001731-convergence_diagnosing_convergence
Let me know if I can be of further assistance.

Sep 07, 2010 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Mitsubishi VS-50805 HD 1080 Series


check the convergence ic's unplug the main convergence board plug then try the set again if the set comes on get a convergence kit here
http://www.tvrepairkits.com/xcart/home.php?partner=larry


May 16, 2010 | Projection Televisions

2 Answers

JVC AV56wp74 convergence. Resistor before ICs?


It's recommended to replace all the defective parts first because if you only replace the defective resistor, it might burnt again if the convergence IC is shorted internally. I would also suggest to measure the other low value resistors with multimeter.

Oct 30, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Rca p46813bl convergence problem bowed in the


OK., I know this set very well. It almost never has a convergence problem.

With the set unplugged, remove the back cover--there is a small circuit board mounted ABOVE the main boards--it is about 10 inches wide and 4 inches tall---On the far right side of it are several DIODES---two are much larger then the rest--what usually happens is one of the large diodes is shorted--5 dollar part---the board only has a few plugs and 4 screws that hold it in---easy to remove--check all the diodes(the two large ones first)

If either of the large diodes read like a fuse you FOUND YOUR TROUBLE.

LET me know if you need ANY help or Advice--I am here to help people---I have seen several sets identical to yours with the problem you describe.

Regards, SD TECH

Oct 06, 2009 | RCA P46924 46" Rear Projection Television

1 Answer

Red light blinks no picture or sound


took the board to friend who works on TV's.he tested the board and replaced the 2 black IC's #STK 392-040 .I re-installed the board and TV so far is working fine. hope this helps !

Jun 18, 2009 | Akai PT4298HD Rear Projection Television

1 Answer

Convergence Board (I hope)


check this out I have the same problem check your solder spot make sure the solder points are not touching one another, that could be one of the reason is doing this or just to make sure you can desolder the stk chips clean the holes where the pins go trough the board and power the tv with board and if the tv start fine if could be bad stk chips be very careful when desoldering or soldering good luck about another is not worth it they cost too much around 350-450

Oct 06, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Panasonic ICs


On your model its usually will not blow the resistors unless the set has shutdown with 3 blink error. But if your set is still working except with bad convergence you should be ok with just getting new STK392-110 ICs , but change both convergence ICs.

Aug 17, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Connvergence went from bad to worse


Depending on where you purchased the iCs some companies sell cheap versions of those ICs. You can get good quality ones at the following link and they offer free tech support by on line instant messaging if you need help installing them. here is a link to their site. its normal for the set to shut down when you try adjusting the convergence and the ICs are bad, Replace both of the ICs also the resistors that power them and you should be fine. If you dont know which resistors you need leave an email at the site with your model number and they will email you telling you what ratings resistors you will need.
http://servicemanuals.vstore.ca/

Apr 16, 2008 | Toshiba 50H82 50" Rear Projection...

3 Answers

Samsung hcm4215w Convergence board problem


Use PANASONIC STK's.They are expensive,but they hold up!Safe,durable repairs require OEM or BETTER quality replacement parts.

Sep 27, 2007 | Samsung HCM4215W 42" Rear Projection...

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