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.

Posted by mitchel taylor on

  • mitchel taylor Oct 27, 2006

    IC, STR-G6624
    Toshiba Part Number: 23135012
    Toshiba Model: 27A51
    IC, STR-G6624

    i found it @http://www.circuitcitypartsearch.com/Pro...

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Anonymous

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

Posted on Aug 29, 2007

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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. http://electronicshelponline.blogspot.com/

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Usually the one that fails is not the main AC line fuse (which is close to the AC line input), but the PFC fuse located, you guessed it, next to the PFC regulator IC on the board.

When the PFC fuse is blown (measuring open) you also need to replace the PFC IC and possibly other components on the board. Most of the time the PFC is sufficient though.

Here's a link for repair service for the board:
http://www.coppelltvrepair.com/p/751/toshiba-46rv535u-power-supply-board-repair-service-for-dead-refusing-to-power-tv-or-faint-display-problem

Also search there for the TV model, we may have repair kits or exchange services available!

Hope this helps!

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1 Answer

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Dear belladionne1,
Unplug TV from a/c outlet for 2-3 minutes...plug back in. Turn TV on; do you hear any clicking sounds (relay)?

NO: Check voltage on pin 1 of IC702. No voltage, suspect IC709 (5 volt regulator). The IC is on the PCB- Signal, part number 266P922010.

YES: Suspect Vertical IC, IC401 on deflection PCB( the one on the right. IC located towards front of board, on a heat sink, standing up.

These are the MOST common failures for your Model VS-585R.

I hope this was helpful, big IRISH.

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1 Answer

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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

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1 Answer

D52W19 Regulator IC part number.


There are many regulator IC in TV you can find it easy the commonly used are 3 pin part number is 4 digit example LM7809/AN7809 this means possitive ic regulator 9v output. LM7909/AN7809 means neg. output 9V. so you can search it on your board. Good Luck

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1 Answer

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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.

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are you sure that you are checking this correctly?
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1 Answer

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

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