Question about Toshiba TP50G90 50" Rear Projection Television

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Ic stk392-110 would replacing these ic's help tv to come on , power button blinks only, did come on a couple of times , now only blinks?

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I have the same problem with my tv,except mine wont come on at all,turned it off one day,the next nothing but a blinking light.if you have any info id sure appreciate it.

Posted on Aug 25, 2008

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My tv wont turn on by power button or remote. white light keep blinking.


How many times this standby/power light blinks at one time switch ON? Count it carefully. These blinks are fault indication, and known as blinking codes. From the number of blinks occur at one time switch ON; you can get an idea about the faulty circuit stage inside the TV. This will make repair easy. For more information, check the link http://electronicshelponline.blogspot.com/. If the blinks continues, and non-stop, the fault should be with its main system control IC, and with the memory IC.

Dec 14, 2013 | Sharp AQUOS LC-60LE632U 60-inch 1080p LED...

1 Answer

My tv won't turn on when the on button is pushed, but the power light blinks 5 times


5 times LED blinks in Panasonic PT-47WX42 shows problem with convergence out chips failure as this tv has two big black ICs STK392-110 as convergence output, replace them to fix tv problem.

Jan 28, 2013 | Panasonic PT-56TW53 56" Rear Projection...

2 Answers

Push power button and it stays on for a couple seconds and then shuts back off. No picture comes on. Thank you Jeanette


To determine what your problem is:

UNPLUG TV ANDTHEN PLUG BACK IN---TURNON---GREEN POWER LIGHT COMES ON FOR A MOMENT ANDGOES OFF.

PRESS AND HOLD "device" and "menu"buttons on front of tv for at least 5 seconds and then release both together.


Watch for power light to blink in a sequence:

1 blink-then 2 blinks-------no error

2 blink-then 1 blink-------X-ray protection

2 blink-then 2 blink-------SHORT PROTECTION*******

2 blink-then 3 blink---------deflection circuit problem

2 blink-then 4 blink---------vertical circuit problem


******2, then 2 is most common---usually means one of the fuses that protectthe Convergence IC or IC's is blown---set will detect no voltage to convergenceIC and shut down.


SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES ANDTHEN TO GET IT TO REPEAT MORE YOUHAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM

let me know what you find--hope that you find 2 blinks, a pause and twoblinks--this is the most common and easiest to fix.

Let me know



SDTECH

Jul 29, 2011 | Mitsubishi WS-65819 TV

1 Answer

The tv just turned off on its own this morning and will not power back on...the power button is blinking 3 times when we push the power button..either manually on the front of the tv or thru the remote...


3 Blinks means Convergence -replace Both STK ICs they are big black ICs and will have Part number on them STK392-110 Mats Electronics sales ICs 1-800-628-1118

Feb 15, 2011 | Panasonic PT-51HX42 51" Rear Projection...

1 Answer

In my WS 65809 projector tv, when I turn on the power, the green light clicks on for a couple of seconds, then clicks right back off.


DO THIS AND LET ME KNOW WHAT YOU FIND:

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} MOST OF THESE SETS HAVE A SELF DIAGNOSTIC:

UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR A MOMENT AND GOES OFF.

PRESS AND HOLD “device” and “menu” buttons on front of tv for at least 5 seconds and then release both together.


Watch for power light to blink in a sequence:

1 blink-then 2 blinks-------no error

2 blink-then 1 blink-------X-ray protection

2 blink-then 2 blink-------SHORT PROTECTION*******

2 blink-then 3 blink---------deflection circuit problem

2 blink-then 4 blink---------vertical circuit problem


******2, then 2 is most common---usually means one of the fuses that protect the Convergence IC or IC’s is blown---set will detect no voltage to convergence IC and shut down.


SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES AND THEN TO GET IT TO REPEAT MORE YOU HAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM

If this information has helped you rate this solution as I do this here for free.

SD TECH

Dec 06, 2009 | Mitsubishi WS-65809 65" Rear Projection...

2 Answers

Mitsubishi ws 65819


Ur power board ic converter it dead.
Ur Convergence board is bad going to die to.
Both must change.

Aug 15, 2009 | Mitsubishi WS-65819 TV

1 Answer

TV wont turn on


Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206

Aug 20, 2008 | Sony KP-41T65 41" Rear Projection...

1 Answer

Hewhen lp


The convergence ICs need to be replaced. # blinks is the error code for the convergence. You will need two STK392-110 Convergence ICs you can get replacement ICs at the following link with free shipping and free instalation instructions with pictures.
http://servicemanuals.vstore.ca/

Jul 10, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

No sound and the power light is blinking


I had similar issue with power light blinking 3 times and no audio/video.

The problem was a burnt resistor and gone convergence ICs. I replaced both ICs (safer bet unless you know exactly which IC covers what guns in your specific TV) and the burnt resistor by myself and the TV looks good as new.

Apr 06, 2008 | Panasonic PT-56HX41 56" Rear Projection...

2 Answers

TV Won't power on


Replace the capacitors in the DM board or the lamp is defective.

Sep 18, 2007 | Mitsubishi WD-62327 62" Rear Projection...

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