You need to connect the black lead to a chassis ground which is available many places. For example, the negative terminal of C24 or C27.
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Beogram 8002 not turning on
31 replies
Thanks, just checked for 5VDC at pin P6-1 with the black lead on negative C27 and got no signs of life.
I also want to share that the din plug is completely disconnected, the guy I bought it from told me he wanted to replace it with an RCA but never did. Anyway, the din plug is not connected, do you know how to reconnect it? I'm attaching an image.
Thanks
I also want to share that the din plug is completely disconnected, the guy I bought it from told me he wanted to replace it with an RCA but never did. Anyway, the din plug is not connected, do you know how to reconnect it? I'm attaching an image.
Thanks
Looks like someone did a nice hack job. Here is a link to a picture with all the wires on the correct pads:
Thank you very much! I'll reconnect everything and run the test again.
🙂
🙂
Hello, just sharing an update. I've reconnected the severed Din plug. However, I still get bored dot when plugging, no 5VDC at pin 6-1, nor voltage at the 5V regulator. I've checked all new capacitors to be installed correctly, but no signs of life.
Any other suggestions? Should I go ahead and try replacing the Wicon capacitor inside the power brick?
Thanks 🙂
Any other suggestions? Should I go ahead and try replacing the Wicon capacitor inside the power brick?
Thanks 🙂
That capacitor is not your problem. You say you don’t have voltage at the 01C1 5V regulator. Does this mean that you measure 0V at both its input and output? If that is the case can you check the continuity of the F1 fuse? If it is good that means you have no output out of the diode bridge and its supporting capacitors. That’s where I would focus.
Hello, checked all the fuses and the one inside the power brick has no continuity. Going to replace it and will run the tests again.
I'll keep you posted.
Thanks 🙂
I'll keep you posted.
Thanks 🙂
Hello, I'm back with an update. I have replaced the fuse and I now get 5VDC at pin P6-1 and on the 01C1 5V regulator. But still no red dot 🙁.
So far I've replaced the fuses, replaced the capacitors, checked their correct polarity and re-install the severed din plug.
Any ideas what else could be the issue.
None of the buttons do anything either.
Thanks 🙂
So far I've replaced the fuses, replaced the capacitors, checked their correct polarity and re-install the severed din plug.
Any ideas what else could be the issue.
None of the buttons do anything either.
Thanks 🙂
Most of the time with these models it is an issue with the ribbon cables between the main board and the other ones including the keypad. I would carefully reflow all of the connections on each cable end. I would also check if your 2MHz clock is running on Pin 11 of IC1.
Hello, how are you? Just wanted to share great news. I managed to bring it back to life! 🙂
The issue was oxidized base for the IC1 and a bad TR17. I replaced it and cleaned each slot for the IC1 with Deoxit.
I now have the issue that the belt is to loose so the motor slips when trying to move the carriage.
Do you know if anything from the carriage mechanism needs to be lubricated? And if so which lube should I use?
I connected it to a pair of speakers and I do get sound when I gently tap the stylus. But there's a general background humming sound that's getting in from the carriage motor.
Any suggestions to clean the sound?
Anyway, I consider getting to this point a great success for a Facebook Marketplace facing landfill.
Thank you all for all the support so far, I would have been able to get this far without your support.
🔈🎵
The issue was oxidized base for the IC1 and a bad TR17. I replaced it and cleaned each slot for the IC1 with Deoxit.
I now have the issue that the belt is to loose so the motor slips when trying to move the carriage.
Do you know if anything from the carriage mechanism needs to be lubricated? And if so which lube should I use?
I connected it to a pair of speakers and I do get sound when I gently tap the stylus. But there's a general background humming sound that's getting in from the carriage motor.
Any suggestions to clean the sound?
Anyway, I consider getting to this point a great success for a Facebook Marketplace facing landfill.
Thank you all for all the support so far, I would have been able to get this far without your support.
🔈🎵
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