There is an recall from Toshiba for "bad" problem in Toshiba SD-3980 dvd player.
"Toshiba is committed to customer service and to continuously improving the
quality of its products. It has come to our attention that certain DVD players
bearing the model numbers SD-3980 and SD-K750 may at some point in their life
stop playing discs due to a component part failure. In such case, the error
message "bad" will be shown on the unit's display. Affected units will have
"SU2" at the end of the model name (e.g., SD-3980-SU2), which can be found on
the back of the unit.
If you own either of these models and experience the issue described above,
please contact Toshiba Customer Solutions at 1-800-631-3811 for information on
how to obtain a replacement unit."
Click Toshiba Support link
for original message, please contact Toshiba and above number for replacement unit.
Hope these info will help you.