Beomaster 8000 oscillations in output stage

in Imported Content (Unmapped) · Sept 9, 2021 07:21 GMT

Christian, you made me laugh yesterday with "It was "Bang" and Olufsen". Probably you are right and new PCB will be the fastest way to fix this amplifier. However, I don't want to give up and I'll try to repair, new PCB …

Beomaster 8000 oscillations in output stage

in Imported Content (Unmapped) · Sept 8, 2021 12:27 GMT

Thanks Christian for your remarks. Maybe I will add short story. I bought this with damaged right channel. There were distortions - after put 1kHz signal to amplifier, on output I saw that lower part of sinus is complete…

Beomaster 8000 oscillations in output stage

in Imported Content (Unmapped) · Sept 5, 2021 16:25 GMT

Hi, I tried to repair Beomaster 8000 and i found problem. I replaced 100 ohm potentiometer R226 to multiturn, and replace 6 power transistors IC201-206(TIP142-147). I can set now 18mV for iddle current, however I see on …

Beocenter 9300 service manual

in General Discussion & Questions · Aug 19, 2021 10:40 GMT

Hello, I am new here and I have question. Keith,you wrote , you have scanned whole service manual for Beocenter 9300. Great job, thanks. I found this, however there is lack of last part, like: - repair tips 5-8 - test fu…