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Posted on Jan 02, 2017
I had the same issue with my 42HP95 after about two and a half years. Same symptom, red flashing power light, reset doesn't work and most of all, the last day of the Ryder Cup starts in 3 hours. Any other time (with exception of SuperBowl Sunday). I frantically searched the web for like symptoms and came across someone that posted the fix was to bypass the Seine Module but I had no clue what that was! So what do you do? Tear off the back of the TV and look for something that says Seine on it... Right! After that failed and 500 screws later, I decided to look for a Service Manual online. Nothing like RTFM (Google it!). I paid my $11.99 for a download Service-Manual.Net and found what appeared to be the Seine Module (SEIN). Through a little trial and error, here is what I came up with. The pic below shows the location of the said Module in the red rectangle.
I ultimately found that if I unplugged the connector from the module (in red circle) and put it in the cable management loop (other red circle), the TV would power on and has been working ever since.
According to the post I read (grains of salt) the SEINE Module is only needed if you are using coaxial type (rabbit ear) antenna. I personally don't know but it works for me. Granted, this is my experience and may not work for you but for $12, I am a happy camper. BTW, what a Ryder Cup!!! USA USA USA!!!
Posted on Sep 22, 2008
My guess would be to suspect the inverter. but from what i can tell that model had two possile inverter types used during production.
toshiba P/N 75008432 Rev C3
Posted on Oct 06, 2009
Testimonial: "Thank you.. I will look into that."
There is an issue with the audio processor. Most likely it is the main board needs to be replaced in order to fix the issue. You will need to remove the back cover in order to get access to it.
There could also be an issue with the power supply supplying the right voltage to the processor. This can be checked by seeing if the 18V DC is present at pins 3 and 4 of CN90 on the power supply. If the voltage is present, then replace the main board. If it is not, replace the power supply.
Posted on Nov 09, 2009
I suggest you do firmware update first, then you can use another source such as a DVD plug in to the same HDMI input when the problem appear, to make sure where is the problem, if it is the on the TV, replace the main board.
Part # 75012465 cost approx $300.
Knowledge obtain from: Repair experience on same symptom.
Parts reference: Andrews electronics, 800 289 0300.
Posted on May 02, 2010
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