Beovision 10-40 (9553) picture but no sound (Powerlink powers)

[69er]

<h3>Hi B&O fanatics,</h3>
i love the beovision 10 series. I sold mine in working condition ;-(
Now i got another one with a problem, which i couldn´t solve so far.

It´s a 9553. picture is there, fire tv stick is working. Excellent picture.

But no sound at all. a connected Beolab 4000 will be powered on (5V signal) but also no tone.

Even the test noise in the sound option menue is not working.

As far as i know, the power pcb has been exchanged (old one died) – i don´t know if there are different types for the different mk versions and now the wrong one is in.

Would be glad, if someone could give me a hint, how to fix that stuff. I would like to reuse it (has the nice black frame)
Best regards
69er

[trackbeo]

Try powering it on (and turning on the source), then simply walk away for 10-15 minutes?
My BV10-46 requires 12 minutes powered up before the sound finally cuts in.  After 2++ hours, it cuts out again!  Because of the out-of-warranty expense (incl. 💸travel fees, USA) I never called for service.  Whether the temperature is affecting a chip solder pad or just a poorly seated ribbon cable, I’ll never know.

[Author]

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