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Converter IC Replacement

Just starting with the repair and I'm having a little trouble removing the board... can you call me?  804-564-7985

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I am at work where I rebuild circuit boards , so I dont have access to a pjone but I hust posted a message on how to remove the wire bridges from the power board. Just post a message if you need advice I will be on line all day ordering parts for the circuits I am rebuilding.

Posted on Mar 08, 2008


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Posted on Jan 02, 2017


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1 Answer

Sound does not work.

either is sound IC has blown, or the sound section of the tuner needs a repair. I have repaired many tuners for sound. Some technicians never repair a tuner hence it would need a replacement if it can be physically removed. If a tuner is printed on the main board the whole board may need to be replaced.

Nov 02, 2013 | Toshiba 57H83 57" Rear Projection HDTV

1 Answer

I have a panasonic vierra 3d tv. my picture gets dimmer and brighter every few seconds repeatedly while watching it. How can I fix this to where it will have a solid bright picture at all times?

Its video out card has the trouble. Video out section has an IC which controls the plasma screen pixels. This card is responsible for variable brightness as well as contrast; in fact, control over picture on the seceen. There are two possible faults can be occur to this section. The first one is supply voltage variation to the board. The second one is IC trouble itself. There is no replacement option to this IC; as it is machine pressed. Only card replacement can be done. If so, there are so many service mode adjustments to be done with this after card replacement. To check the supply voltage vairation too; good quality multimeter with frequency counting facility is needed. In fact, this is not a user repairable one. Get it repaired by any well experienced service technican, or by authorised service center for Panasonic. OK.

Jul 25, 2011 | Panasonic VIERA TH-65PV500 65 in. Plasma...

1 Answer

My samsung rear projection tv has a problem with its convergence ic. i think theres two ics , but how do i tell which ic need replacing??

Always replace both once your going to the trouble each IC is usually less than $30.
This link will help show you what's involved.
convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail

Nov 13, 2009 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

When I turn my rear projection television on, the

Ur power board ic converter board it dead.
U know about a little about electronic the plug
go direct to the board order that board or repair man cost part labors about $575.

Aug 13, 2009 | Samsung HCM422W 42" Rear Projection...

1 Answer

When we turn it on it doesn't come on instead the on light comes on and goes off 3 times . We have had it fixed three times for the exact same problem . none of the three came up with the same solution. Is...

The power board ic converter it dead or bad, need a new board.U know little about electronic buy the board from the web.and replace it or the repair man part & labor $575.

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

3 Answers

The tv has power but the standy by button is flasshing and we are getting no picture

Flashing standby light is error sign that means TV got problem in its circuits and requires repair.
Model and brand info will help to find out details of flashing error code and please also count how many times standby light blinking.

Aug 12, 2009 | Televison & Video

1 Answer

My Aquos won't turn on. When pressing Power, it

Your power board ic converter it dead.
You know a little about electronic go to internet
buy the board repair it yourself or big screen tv repair people cost U about $575.

Aug 05, 2009 | Sharp Aquos LC-46D62U 46 in. LCD HDTV

1 Answer

Samsung pcj522r

I am famillar with PTS, they would have tested The ICs first. I believe you will find the trouble lies in the DCU I have seen a good many of those needing replacement.

Jul 26, 2008 | Televison & Video

4 Answers

Statics and hissing...

I also have the same fault, The static noise is coming out
of ic720 [ cs4391 or cs4392 ]on digi pcb which is D-A converter
this ic maybe faulty, i have ordered a replacement ic and will
post here if solves problem

Dec 10, 2007 | Marantz SR-5200 Receiver

2 Answers

Right side convergence

A convergence IC has burned out. If I remember correctly, those Pioneer sets have one huge convergence IC, but that IC only has 5 channels in it so they use another smaller dual STK IC and one half of it is used for the 6th channel and the other half is the vertical output. Look on the convergence board, find the blue convergence jack, identify the blue horizontal channel, follow the traces and replace the IC handling the blue horizontal channel.

Aug 28, 2007 | Pioneer SD-P50A5-K 50" Rear Projection...

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