IM-3303
No Sound:

Check Radio intercom Master switch
may be intermittent, swap with another intercom switch..

Channels running won't stop on station
Display board

Unit runs for 2-5 minutes.
Display drops out/No sound
L78m05 gets HOT!
Kills 5vs dc
Replace Ic 201 NJU4066bd

 

Are you asking a question?

 

Are you asking a question?

No I'm posting fix's I found.

I am Looking for schematic if anyone has one.

 

Did you post a fix?

 

Did you post a fix?

Yes I did.
See if you can find Just ONE
in my post..

I found the schematic for the IM-3303

Did you post a fix?