DC JACK Power jack fits the below consoles.These aging consoles really benefit from a brand new dc power jack. Old power jacks are often rusty, cracked, and the leaf is weak maing poor contact. Its highly recommended to replace that old worn jack with a brand new unit for the most reliable power connection.
 
DC JACK INLET fits several consoles.
Soldering required. 
This DC Jack is intended for the following Sega consoles.
Sega Genesis 2
Sega Nomad
Sega GameGear
Sega CDX
JVC X-Eye
Sega Genesis 3
PCE-DUO-R/RX
Sega Mega Jet