I need the. Code for magnavox analog tv converter box for a ge universal remote

Daphne, Try using auto code search feature, found on most universal remotes. Instructions should be in your manual. From one of the forums they suggested this. Place your tv on channel 3.
Point your GE universal remote at the converter box, press and hold the setup button until the red light remains lit, then press and release the DVR/AUX button. The red light will blink once.
Enter 0581 as the code, then press Power and the Converter box will turn on and your channels will pop right up.
Check the attached links,instruction,guides, read through them, as they have fixes to program remote. Good luck
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RC Controlling the Magnavox TB100MW9 Digital Analog Converter Page 2 of 2
https://answers.yahoo.com/question/index?qid=20130917205010AAu9Gpg
Remote Code Finder

ask mechanic

Most of these are new and codes do not exist for them. You'll need a universal remote that has a learning feature so it will learn the code. Walmart has them for $16-$19.

i can not get my tv to pick up a signal.I know my antena works i have tried it on other tvs.Has anyone else had this problem or know how to fix it?

Hooked up our analog TV set with Magnavox TB100MW9, the video is not stable. Any advice on WHY?
unlhook it, the video is OK.

Try a Funai code

The code for a Magnavox Converter *Analog to Digital* to a Philips Universal Remote is 0759