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Re: 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.
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Replace the loading tray belt, it is quite a common problem on CD Players using the same Sony transport mechanism as your Arcam. The belt loses its tension and cannot fully load and then spits the tray open. When you try to load a CD you should be able to hear a whirring sound after closing the tray and that's the motor trying to lift the laser mechanism at full travel but is unable to hence not enough tension on the belt.
MANUAL RECORDING FROM COMPUTER HEADPHONE SOCKET.. FIRST RIGHT LEAD REQUIRED YOU NEED STEREO 3.5mm stero jack plug to lef right phono male leads...
prepare for manual record place jack in computer headphone socket. check correct socket play track on computer their should be no sound. if sound present in wrong socket... if ok place phono left right into analogue aux inputs on cdr recorder.next make shure you have blank scratch free cd .next press ext(ernal) source repeatedly until the required input is selected i.e digital analogue optical etc..when auto track is on the disk will number automatically.with auto track on it their needs to be 2.7 second gap to rec number change. with the recorder stopped press rec type five times to enter in the manual record standby mode. manual start s to flash and the display shows REC EXT MAN followed by WAIT.after a few seconds press record . play the source track ie on your computer to set record level on cd recorder.. adjust audio card settings or volume control on pc etc .rotate easy jog/enter key until on the record /play level bar all the blue led are alight but not the red( clipping) display shows xx decibel eg 3bd. stop the source material (track on computer get ready to record ii.e to start track again..to start recording set you track going wilst pressing RECORD on the cd recorder, and immediatley the source material playing. the track number and recording time left appear in display . if check input message is displayed check the connections are correct etc .to stop recording press stop on cd recorder . update lights up and arrow goes out. after recording display will show UPDATE FOR SEVERAL SECONDS WRITTING TOC.. IF YOU WANT TO PLAY THIS DISC ON NORMAL CD PLAYERS YOU NEED TO FINALIZE THE TRACK . HOPE THIS HELPS..yammandan.
I too had this problem and was resigned to having the laser mech replaced.............BUT! i opened up my unit (it was long out of warranty) and was suprised at the amount of lubricant on the cog that drives the laser and the track upon which it runs.most of the grease had been pushed to either end of it's travel and as a consequence my unit would cut out particularly at the start and end of CD's as the laser struggled to move and track the disc as it should. Since removing this excess lubricant (with a dry toothbrush) i have enjoyed over six months of trouble free listening. From searching online forums it would seem that many people have experienced similar problems with this transport - a Sony KSM213CCM - and have replaced the entire mech! it would appear that someone a the factory has been a little over enthusiastic with the lubricant! Hope this fix is of help
Have a look at the manual for your AV receiver, you may find that you can change the digital output format between DTS mode and PCM(audio) mode. It needs to be in PCM(audio) mode for your CD recorder to be able to record digitally. If that doesn't solve it I can only suggest recording in analogue mode, i.e. taking a stereo analogue signal from your receiver to the analogue inputs of your CD recorder.
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