[sjt99]

Hi everybody. I picked up a TI-99/4A at a garage sale and was looking forward to playing around with it. Unfortunately, it looks as though it has a few problems. the TI splash screen comes up but the text is garbled.

Ive attached a photo of the screen. Any ideas? not afraid to break out the soldering iron.

Seems to be the video processor.
I actually haven't had one apart (TI console) in many years, I believe the video ic is in a socket.
There is a upgrade out there that will replace the video chip and give you
better video as well.

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Try pulling the chip and putting it back into the chip socket.