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Repair service for plasma sustain boards 6870QYC004C or 6870QYC104A used in a number of 50'' plasma TVs


Coppell TV Repair offers a REPAIR SERVICE for your plasma sustain boards 6870QYC004C or 6870QYC104A used in a number of 50'' plasma TVs. REPAIR SERVICE means that you need to send us your malfunctioning board that we will attempt to service, test and return to you.


Typical failure symptoms are completely dark screen when the TV is on (sound is still available) or a blinking black/white screen approximately once every second or sometimes faster; another possibility is for the TV to refuse to power on.

In many cases a loud pop or series of pops preceed either of the two conditions.

In all cases, however, it is NOT guaranteed that the YSUS board is at fault. Sometimes it may be the ZSUS that has failed first and depending on how it failed it may look a lot like the YSUS. The display blinking, although more rare, usually points to the YSUS.

Processing time

Typical processing time for the repair is within two business days; if we have any probems that require more time (be it overload or technical problems) we will contact you with an update and request for more time.

We have a fairly high success ratio, but we still do not guarantee success; if we can't get the board to work, though, you will not need to pay.


Presently we do not charge in advance for repair services.

Instead, once the board(s) are received, tested, found to be defective, serviced and tested again to success we send a payment request to the customer.

If something along the process - such as unexpected difficulty or finding a board to be functional - arises we contact the customer via email and/or phone and disscuss options.

Minimal charge / diagnostic fee

If a board arrives and is determined to be functional we charge up to $25 for diagnostic fee.

For explanation of why do we do that please read this article.

Board requirements

We ask that the board arrives here in good physical condition and without traces of tampering. If someone (other than us, that is) has already attempted to service the board then please contact us with a description/pictures and do not directly place an order. We reserve the right to refuse service to boards that have signs of repair attempts.

If you have any questions do not hesitate to ask.