Mitsubishi 939P978020 is compatible with the following DLP TV models
The following replacement lamp ballast supports all of the models of the 939P978010, as they both power the same E23H 100/120W 1.3 bulb.
There is no "core" charge on the following lamp ballast, there is no need to send the defective part back to us.
20% restocking fee for returns other than manufacturer defects.
original OEM ballast
Powers Osram E23H 1.3 100/120 Watt bulbs
90 day TVLampsforless warranty