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Thank you for your input, however that doesn’t seem to be my issue - after closest examination of the lens I could not detect any of those deposits ☹️ i did a run and checked all voltages again - present 👍 pushing in the unloaded tray gets the laser in and I can see up/down movement, indicating it tries to focus…..but exactly that up/down movement is not always present……….which could tell me there is a focus issue or do I interpret that wrongly ? The two ICs involved

I may have to give the issue another title as I am tied up with the CD player ! ALF

Hi all, i have been working on that CD player fir a while: what started out as a possible Datalink issue seems to be a different issue. the player plays a couple of CDs perfectly fine and suddenly won’t read another disc - starts to spin, and stops without reading the TOC. i have been through the service mode procedure x times, set the focus offset as per manual, checked the laser current - all fine…..well, for a couple of discs that is. it looks like the focus offset is breaking down

Hi Ralf Marcus, i certainly won’t rule out that possible source but I have had again a closer look at the Cd player itself: checked the laser current and ficus offset adjustments which are both within specc: 49mv and 439mv respectively. however, the player/laser seem to behave erratic in the focus. Whenever a disc won’t play i suspect there is no “focus movement” up and down of the laser lens ? Given a gentle push and trying again I can see the up-down movement…. and

As said previously, with the datalink pins in the plug and connected to the CD input the player plays a couple of tracks and suddenly its turned off incl the beomaster - just like you press the off key on the Beolink remote. I will eventually get around to check the CD-input on the BM - at the moment the CD player plays without the datalink pins in its plug. the whole idea for removing the datalink pins came from testing the cd player disconnected from the system and it was performing fine…