Seasons Greetings everyone, hope everyone's holidays are going well. I'm gettin ready to dig into this SXCD which does not change channels (stuck on channel 2). First though, if I'm not mistaken I can set bias on the SCXD without the tubes in amp. Perhaps not. I am aware that I must have a speaker connected. I'm still learning and the memory gets foggy once n a while. Even though I am not using specific tube amp verbage to word my question, I am not without electronic experience. It's only in recent years that I have taken up tube amps. It was here on the forum that I found help refurbishing a vintage Fender Bandmaster. That project went well.
Anyhoo, on to the next project. Speaking in generalities... does anyone have experience or a suggestion as to what specific voltages/points to check for this issue. I have already checked solder joints for cables etc. I did notice some cold solder joints on a small chip. As it turned out I ended up replacing U1. Nothing changed. U1 is where I intend to start checking test points this time around. FYI, the amp works fine on channel 2.
Anyhoo, on to the next project. Speaking in generalities... does anyone have experience or a suggestion as to what specific voltages/points to check for this issue. I have already checked solder joints for cables etc. I did notice some cold solder joints on a small chip. As it turned out I ended up replacing U1. Nothing changed. U1 is where I intend to start checking test points this time around. FYI, the amp works fine on channel 2.
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