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No voltage feeding the convergence ic's. - Philips 50P8341 50" Rear Projection Television

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Re: No voltage feeding the convergence ic's.

The B= feeding the convergance ic's will have a fuseable resistor or a "pico" fuse, ( looks like a small resistor but no color bands). try looking for one of those, I would suspect it will be near the ic's themselves, but some put them in the power supply circuit. good luck.

Posted on Dec 19, 2006

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Can't correct my red blue convergence manually or by using factory preset...the unit is 7 years old, is my picture tube bad?

You have bad convergence ICs. There are 2 ICs in the convergence circuit, one is for the Blue the other is for the Red. You can buy 2 ICs for under $40.00. Replacing these ICs require soldering and desoldering skills. Sometime, the resistors in the convergence circuit go bad also. Be very careful, there is a very high voltage in a CRT projection TV the voltage is over 30,000 volts.
Best of Luck

Feb 23, 2010 | Philips 60PP9202 60" Rear Projection...

1 Answer

Do you have to buy a new convergence board to fix the blue and red convergence for a samsung tv

mo you can replace the two Convergence ICs and check the 3.9 ohm feed resistors. You can get new replacement ICs and resistors at the following link.

Apr 20, 2009 | Samsung HCM5525W 55" Rear Projection...

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Picture looks like 3D

replace the convergence Ics and feed resistors. You can get the DPTV305 -DPTV345 Convergence repair kit at the following link which contains both ICs and all 12 feed resistors plus step by step directions with pictures. Here's the link.

Feb 16, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Manual Convergence

your convergence ICs have failed. You can get the convergence repair kit for your model at the following link which contains both convergence ICs and all of the feed resistors, plus the kit contains step by step instructions with pictures on how to do the repair.

Feb 01, 2009 | Philips 60PP9202 60" Rear Projection...

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Failed resistor

those are the convergence feed resistors. # blinks on a panasonic means convergence IC failure. You will need to replace the two stk392-110 convergence ICs and the six resistors. You can get replacement ICs and resistors at the following link.

Sep 06, 2008 | Panasonic PT-53TW53 53" Rear Projection...

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Signal board jumper wires?

Hard wire jumpers feeding voltage to convergence circuitry located between board edge and current limiting resistors & near STK IC's.................HTH........................T.

Most H-line Toshiba's have them......

Aug 21, 2008 | Toshiba 43H71 43" Rear Projection...

2 Answers

Convergence IC,s overheat

the ic is getting too much voltage check a diode that feed into the ic it has a short.if you dont locate that defected component it will cost you much more than the set lol.good luck

Apr 23, 2007 | JVC AV-56WP74 56" Rear Projection...

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Horrible Convergence Problem on Start

I doubt it. In a problem like this it could be a power supply that feeds the convergence ic(s). The longer you wait to have this problem taken care of the more of a risk your taking of blowing out the ICs, if there already not bad. Its highly unlikly all three ics went bad at once, unless of a power supply problem. Now this set is not serviceable by the end user as its solid state and all parts are soldered in. Also theres alot of HI Voltage inside this set!! Have the set checked out by a technician ASAP for a bad filter capacitor in the b+ line that feeds the convergence ics Good Luck

Jul 03, 2006 | Sony KP-65WS500 65" Rear Projection...

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