Question about Toshiba TP50H95 50" Rear Projection Television

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TP50H60 I order the IC, I have no idea how to locate and replace, pls help.

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  • rookieryder Aug 20, 2008

    Ok, I have a Toshiba TP50H60, have problem with intermittent start or sometimes shutdown with no start for a few hours, only blinking red light. I bought IC's STK392-110 from Technotronic Dimensions. The repair kit suppose to solve my problem, but, I can't find the part. I need info, how to lacate it and how to replace it as well. I have medium skill so pls bare with me......

  • Quick96vette Sep 08, 2008

    Tv will not turn on. Alls I get is a flashing red light on front panel next to the on/off button.

  • Vista Electronics May 11, 2010

    What is the symptom / problem ?

    What is the IC part number ?

    Need more information......................T.

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STK IC's are mounted on large heat sinks.....Look on the "hidden side" for #s....caution on older sets = they can be difficult even for senior techs....T.

Posted on Aug 20, 2008

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My Mitsubishi vs-50111 has green, red arced line at top and bottom with double vision like suddenly. Any ideas?


Your symptom sounds like a damaged convergence IC.

There are two and large IC’s that control the convergence in a big screen set. Some of the newer sets only have one. They are secured to a very large aluminum heat sink. They will have a part number stamped on them that will start with an STKXXX-XXX, like STK392-110, and they are located on the signal board (on the left as you look into the back of the set).

Along with the convergence IC’s there will also be some associated components that will need to be replaced as well. There are some resistors that are part of the convergence circuit that will be open and need to be replaced. Most likely these will appear charred in the center. If you have an Ohm Meter or a DVM, check all the resistors that are close to the IC’s and you should be looking for either ones that have opened or have changed values.
There are also two resistors on the front of the board located in the middle that are fusible link resistors, these should be checked for opens and replaced if they are found so.

If one of the convergence IC’s are found to be bad, I would replace them both, if one has gone bad the other may go soon. I usually order my parts from Andrews Electronics in California, they will have the OEM components that you will need.
Their site is http://www.andrewselectronics.com/welcome.aspx
And their phone number is a 24-Hour Order Desk: (800) 274-4666
I recommend the phone order so you can talk to the person about the different types of IC’s that are available.

I would also advise that the convergence IC’s be OEM or better, just because they are cheap does not mean that they are a good deal. I have seen the cheap IC’s fail after a short time, even though they look exactly like the OEM IC’s. I think that the bottom line is that you will get what you pay for when it comes to the parts.

You can also try http://www.tvrepairkits.com/ , I have not tried them yet, but they do carry OEM or better parts.

I hope this information allows you to resolve this issue.
If you need further assistance please comment to this post and I will try to help you further.
asnowman

Oct 07, 2009 | Mitsubishi VS-50111 50" Rear Projection...

1 Answer

White lines across top


Your symptom sounds like a faulty capacitor in the vertical deflection circuit.
What you are seeing is called vertical fold-over.
If you want to fix this yourself and are handy with a soldering iron, it is not that difficult. Just look for a 1uf capacitor near the vertical IC. The vertical IC will be a black IC with straight legs mounted to a heat sink, generally in the center of the circuit board.
Note: Be careful when working on a television as the CRT and other capacitors can hold a charge that can be very dangerous.

I would recommend that you contact a local service center and see if you can get a quote for the repair. I would normally charge between $120.00-130.00 for this type of repair. The cost may vary depending on where you are located.

I hope this information allows you to resolve this issue.
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If you need further assistance please comment to this post and I will try to help you further.

Sep 07, 2009 | Toshiba TP50H60 50" Rear Projection...

1 Answer

SAMSUNG DLP HL P4663W 46 PROBLEM IS RIGHT QUARTER OF SCREEN MIRRORING / DOUBLE IMAGES, COLOURS RED, GREEN VERY VIVID. REST OF SCREEN PERFECT. THIS HAPPENS WHEN ALL INPUTS DETATCHED AND TV ALONE TURNED ON....


sound like light engine bad mirrors get stuck on ic dmmd "digtal micro mirror device the mirrors get stuct replac ic if u do not have smd soldering exp do not attemt but u can order dmmd ic from samsung or nte electronics.con 50.00$ ic this should fix ur problem have exep tech solder in 4 you 2 replace light engine $900 u get the picture tryin to save u a$ with perfect results hope this help u later bud!!!!!!!!!!!!!!!!!!!!!! shan

Aug 08, 2009 | Samsung Televison & Video

2 Answers

1998 TOSHIBA TP50H60 THE COLOR WON'T MATCH, LOOKS LIKE 3-D MOVIE WITHOUT THE GLASSES. IF YOU HIT THE SIDE OF TV, SOMETIMES GOES BACK TO NORMAL.


Sounds like a classic convergence problem. most likely bad connections on the bottom of the stk's. If a repairman were to do this for you it would run $300-$500, if you were to do it yourself it would run less than $100. Bad connection on the vertical IC can cause something simular to this as well. If you need more help or would like to fix it on your own please let me know

Tim

Sep 10, 2008 | Televison & Video

1 Answer

TP50H60


what knine of tv it is , the stk normaly are on the deflection board or sometimes on the signal board , first u need to have the two stk solder station and solder wick u can faund THE SOLDER STATION at any radioshack

Aug 20, 2008 | Televison & Video

2 Answers

Replacement of outer screen for a Toshiba TP50H60 projection tv


A frosted sheet of plexiglas works well. I put a plexiglass screen on my own 62 inch projection TV. It must be frosted to received the image being projected.

Jan 03, 2008 | RCA R52WM24 52" HDTV Projection Television

1 Answer

Color convergence


RICKY-SOUNDS LIKE THE USUAL CONVERGENCE IC FAILURE.TRY LOOKING IN W/BACK OFF TV AND YOU'LL SEE COUPLE OF STK392-??? IC CHIPS,LOCATED ON A BIG METAL HEAT SINK.RETRIEVE THE EXACT PART # AND YOU CAN ORDER THEM AND INSTALL THEM YOURSELF IF YOU ARE GOOD AT SOLDERING ELECTRONIC PARTS,IF NOT BEST BET IS CALL AN EXPERIENCED JVC TECH.JOE TV

Nov 27, 2007 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Replacing the STK392-110'S


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html


http://www.eserviceinfo.com/

Jan 08, 2007 | Toshiba TP50H60 50" Rear Projection...

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