Question about Toshiba 27A51 27" TV

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Toshiba 27A51 problems

Can anyone help me with the part number for a Toshiba TV model # 27A51 IC location 501 this is a 5 pin regulator Thanks all for ur help.

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Re: Toshiba 27A51 problems

Reduce raster no picture no sound and the power stays on.

Posted on Aug 29, 2007

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Could i fix my tv screen

Replace the CRT base connecting socket. It is bad.[Corroded Focus pin connection]. Can be located at the CRT base card.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.

Aug 12, 2014 | Toshiba 27A51 27" TV

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Picture rolls untl il warm


Picture rolling is due the fault in the vertical output section of your TV. To rectify this fault, you have to open your Tv, and locate the vertical output section inside it. It is so easy to locate as, there will be four wires going from the deflection yoke, that is the coil fitted on the neck of the picture tube, out of which, two of them will be thick, usually coloured red and blue, and the other two will be thin. Just follow the two thin wires, which will lead you to a scoket fitted on the circuit board. Upside down the circuit board, and trace the tracks of these wires, and you will reach to the vertical output section.
Normally Toshiba uses a 7 pin IC, number [TDA 8403K], in this section, the number may vary according to sets model, but the function will be the same for all. It will be screwed onto a metal hetsink. I advice you to resolder all the soldering ponts of that IC, by applying a little more solder, without making any solder bridges between the terminals. Normally this may resolve your problem, as there is a chance to get soldering loose in this section.
If this does not help, resolder the IC out, and go for a same type and number, replace it.
If you need anymore assistace feel free to contact me through Fixya. OK.

Dec 20, 2010 | Toshiba 27A33 27" TV

2 Answers

Is this an hdtv?

No. Toshiba once again sets the standards for color television excitement and performance. From the largest projection TVs, to compact portables, you can count on Toshiba to dazzle you with the utmost in picture quality, audio enhancements, and easy-to-use convenience. Innovation, advanced technology, and convenience are built into each Toshiba color television. Toshiba brings you technology that is sure to **** the senses.??Toshiba's 27A51 color television offers a ColorStream component-video input and stereo MTS sound with dbx noise reduction. For added convenience, this TV includes a front AV input (great for a camcorder or game console), glow-in-the-dark universal remote, and trilingual color onscreen display. With the built-in V-chip control, you make sure young eyes don't take in the wrong TV shows. Hope this helps. Let me know if I can help you with anything else. JimmyC

Oct 03, 2009 | Toshiba 27A51 27" TV

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Toshiba no video sound is fine

If you can see the menus this means the CRT, high voltage, scan amplifiiers, the output video processor, and CRT drive circuits are working. The fault is most likely in the video section of the input select circuits.

Maybe the Toshiba parts department can supply a service manual for your set. With a signal source, a scope, and a DVM, an experienced technician can troubleshoot your set to locate where the failure is occuring.

I have not serviced this model, but in other models I have found the main input select IC to be defective. In some cases I also found a bad voltage regulator IC that supplies the input section has failed.

Jerry G.

Dec 16, 2008 | Toshiba 36A42 36" TV

1 Answer

Sony Vega Service Codes

The 7 blinks indicate an over voltage condition. The high voltage section has exceeded 33,000V. This is generally caused by a bad regulator. I don't have a listing for your model, but there should be a multi-pinned IC attachd to a heatsink marked STRxxx located close to where the AC cord comes into the set. Post the actual marking here and I'll get you the part number and cost. That is the regulator that may be the problem.


Jul 15, 2008 | Sony FD Trinitron WEGA KV-32HS510 32" TV

1 Answer

Television power led blinking

are you sure that you are checking this correctly?
What is the location number for this regulator?
If its the main regulator, what are you using for ground on your meter? Also, isn't the part number marked on the regulator?

Apr 12, 2008 | Toshiba 27DF46 27" TV

1 Answer

Toshiba 32" HDTV 2002

The power regulators are famous for going bad. The big problem with this TV set is that unless you use the exact regulator from Toshiba, this set will fail time and time again. Even if the regulator IC has the exact same number, it will not hold up. We used to have a shop that was authorized by Toshiba, and we seen this problem many times when customers would say that they had their TV fixed by some local shop and the same problem occured several times. Good Luck

Mar 28, 2007 | Toshiba 32AF41 32" TV

1 Answer

Toshiba 27A51

check brightness and contrast setting haven't been reduced to zero.

Aug 28, 2006 | Toshiba 27A51 27" TV

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