BEOMASTER 1500 found the prb. but need help. This topic has 2 replies, 2 voices, and was last updated 2 years, 5 months ago by fodcreme. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts June 19, 2022 at 4:37 pm #5990 fodcremeBRONZE Member Topics Started 1Total Posts 2 Bad left channel- so I switched the two RCA HN 7748 and the problem moved to the right channel. But I can’t find these RCA on the internet or what I can use instead. It is the two green ones, on the board IC101 and IC102. Anyone who can help? June 20, 2022 at 7:30 am #6010 Mark-sfBRONZE Member Topics Started 0Total Posts 294 Those were power darlington transistors. You can use BDX33A and BDX34A to replace them. June 20, 2022 at 8:17 am #6013 fodcremeBRONZE Member Topics Started 1Total Posts 2 Thank u very much. Have a nice day. 🙂 Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In