Question about Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: Arcam CD73 fault
Hi there. I would check the power supply rails, you have probably lost a volatge about the Audio line output /DA stages. Check voltage reg packs, they fail alot. I have repaired a few of these over the years, hit me back if you need to go further.
Posted on Mar 28, 2008
SOURCE: Dead Arcam CD73
These are a cool old machine. They use the cdm1 laser mechanism that was revered in its day for high performance. If you have voltage available after the rectifier stages, check the 3 pin voltage regulators. Marked as 78xx for positive regulator, and 79xx for negative. the xx gives you the voltage they are supposed to be putting out. They commonly fail, also check the same for dry solder joint. resolder them anyway if you are unsure. If all the regulators check out, then also check low value flame proof resistors in the power supply rails. Get back to me here again and let me know how you got on. Good Luck
Posted on Aug 09, 2008
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