Question about Toshiba 43H70 43" Rear Projection Television

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Jungle ic i am in need of a jungle i.c. # 501 or #301. it's an integrated circuit either 48 pin or 52 pin. where can i get one?

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Re: jungle ic

Either or matt electronics. or NEC should have it.

Posted on Jan 17, 2008

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Whats the part number for convergence chips on jvc av-48wp74

There are two of them that need to be replced as a set. They are both STK392-110 Convergence Ics you can get the original oem Ics from they are listed under the Integrated Circuit catagory you only need the one set. They also have the convergence repair kit listed for your model under the JVC repair kits the kit has both ICs all 12 resistors and the CD with step by step repair instructions.

Oct 17, 2012 | JVC AV-48WP74 48" Rear Projection...

1 Answer

What is an IC

it is an integrated circuit. In the early days over 40 years ago we had transistors and Ics replaced them and were essentially large numbers of parts in a single package.

This has now developed to where an IC or chip is much smaller and may contain hundreds of parts inside in a tiny package.

If you have a model and the problem I would help you directly.

Oct 13, 2011 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Curved, blurry picture on RCA projection screen tv

Thats usually caused by the STK730-130 IC which is located on the Convergence power supply board. Replacing that may solve the issue. You can get the STK730-130 at under the Integrated Circuit catagory.

Jul 23, 2011 | RCA P52929 52" Rear Projection Television

1 Answer

The picture shows like its in 3D

replace the single convergence IC which is a STK730-130 Integrated circuit. You can get one from its listed under the Integrated Circuit catagory.

Mar 02, 2011 | RCA P52937 52" Rear Projection Television

1 Answer

How do you align the guns on a projection television?

you will need to replace the signal IC STK730-130 for your model. You can get the STK730-130 from its listed under the Integrated Circuits catagory.

Feb 22, 2011 | RCA P52926 52" Rear Projection Television

1 Answer

AV-48WP74 48 in. Rear Projection HDTV-Ready Television: my 3 colors are all out of whack and the convergen...

you most likely need to replace the convergence ICs. If you are lucky, they may have unsoldered pin connections at the PCB, you can try re-soldering those loose pins. What usually happens is that because of the heat generated, the pins have become detached at the IC also, thus the need to replace the ICs. Some of these have either fuses or resistors to the ICs that have also opened & will need replaced also.

May 16, 2010 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Red shadows in 48" JVC rear projection

Well you better be pretty handy with a soldering iron. The convergence output IC's need to be replaced. These are large plastic pack IC's with 18 or so pins that are soldered on the underside of the circuit board. These IC's are mounted to large metal heat sinks.

Jun 17, 2009 | JVC AV-48WP30 48" Rear Projection...

1 Answer

What is Convergence IC's?

Tube-type projection TVs have separate picture tubes (CRT) for red, green and blue. Convergence is the process of getting the images from the three CRTs to line up properly so you see the correct colors on the screen. The convergence output integrated circuits (ICs) are the electronic devices which make this happen.

Mar 23, 2009 | RCA P52920BL 52" Rear Projection...

1 Answer

Flashing red light

The jungle chip is the main IC processor. It is very complicated and has hundreds of circuits surrounding its complexity.

Six blinks is a diagnostic code for loss of horizontal sweep. Thus there is no raster and no high voltage.

Cure requires a look at the jungle chip and the horizontal synch signal to see where it got lost. Cost of repair is not so much unless the jungle chip must be replaced which is rare, but very expensive.

A good repair place can fix it quickly and under $100 so beware of who works on it.

Nov 29, 2008 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

JVC AV-48WP30 48 in. Rear... Problem

Your convergence I.C's ( integrated circuits ) Have failed. Replace Both I.C's with Stk392-150's. The unit is equipped with 110's. These are large IC's pn the convergence board located near the front of the unit. You need soldering/desoldering experience to do this job. I would recommend seeking professional assistance.

Jun 04, 2008 | JVC AV-48WP30 48" Rear Projection...

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