PlayStation one best bundle

Product Name: PlayStation one best bundle
PlayStation One bundle. Includes two consoles (both working) one OEM controller, one power best cord, two memory cards, and an Intec portable mini screen. The Intec will power on and screen does work. However, when the PlayStation console is plugged into the Intec neither will power up. If the PlayStation isn't hooked up to the Intec they both work. Not sure what the issue is. There is no corrosion inside of the Intec. I am listing this in good condition because BOTH consoles work. The Intec still has the factory plastic on the screen!.