Question about Toshiba 65H80 65" Rear Projection Television
After replacing the F470 fuse, I tried turning the set on without the IC's and the set still won't turn on. I have pulled the IC's out of other tv's and they the tvs would come on without convergence. Does a Toshiba work the same way?
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Posted on Jan 02, 2017
I had the same red blinking led problem on my Toshiba Theaterview tv. I resolved by:
- Unplugging the tv.
- Press several times (3 or 4 times) the tv Power button.
- Plug the tv back in and press the Power button once to turn the tv on....tv worked!!!
I've had the problem before and tried unplugging the tv for a couple of days and that had also worked, but I this recent solution seems to be faster.
Posted on Jul 14, 2008
Pull the three connectors to the yokes on the convergence board. If the set powers up, it's a good chance the STK392-110's need to be replaced. I fixed one today, and it has been running for 6 hours now.
Posted on Sep 28, 2008
Solved by resoldering some solder joints!!!!!!!
Toshiba Model 57H81 Rear Projection TV - Purchased 11-09-2001
Problem: Toshiba 57H81 Flashing Red Power Light, No Picture/Sound, Blown Fuses F850 + F852
Symptoms January, 2009:
Total Cost to Repair about $10
Posted on Jan 05, 2009
Pull off the back pressboard. At the bottom left hand corner is the power cord that attaches to the power supply board. There is a white plug that attaches directly to the power cord. With the TV power off, pull this white plug up to disconnect. Then push it back in. Then plug your TV back in and press the power button on the front of the TV. I just did this and it is working fine.
Posted on May 18, 2009
You need to look with a meter at the resistors around the chips, they are usually gray in color with bands that denote value--a good guess is one or more were taken out by the chips--in these sets they will look fine---typical is 1.8 ohm (brown, gray, black bands).
At least one is open (bad--no reading across--like checking a fuse) and there will be several with identical color bands on them.
Let me know if I can help.
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Posted on Sep 16, 2010
Testimonial: "thank you sd tech for you input on my issue. I tested each resister and they read 1.4 ohms. but none of them were open. thanks again!"
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Stk392-110 red convergence IC is bad...normal procedure===
1) pull chassis 2) replace both Stk's for reliable repair
3)re-assemble 4) re-align convergence
If you hire a technician, 400.00 is ave. price.
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