Hi Servicetech welcome to Beoworld. It just so happens there has been a near identical case in the last week, and should give you enough to be going on for now ;-)

/forum/imported-unmapped/beomaster-8000-displaying-888-and-another-not-working-at-all

Good luck!

You know, I've been struggling with my FM not going beyond 97MHz for almost two years now. I could never find the solution. So if you do find something, I'd take it because it looks ominously similar to my prob.

Hi

i have experienced the exact same problem with my 8000 when switched on to radio it takes a few minuets to get sound and when put into standby sometimes it won't turn back on, 

what is the correct way to power down, if it is turned off by the mains do you have to wait for it to reset itself when mains power back on.

marc  

Try to reset the CPU: when in standby mode, press the standby button and monitor button at the same time. The middle display should show a T and and then TP (test passed). Put the Beomaster in standby and see if the issue has been solved.

My Beomaster 8000 would not operate the muting relay when turning on, leaving the speaker output silent. Did the reset and it began working normally again.

Beomaster 8000 has no muting relay.
It has two relays for soft-starting the amplifiers.
It's not uncommon to see that a Beomaster 8000 won't switch the amplifiers back on right after being
put into standby. It will light up the displays but not power on the amplifiers.
Put back into standby for 15-20 seconds and it will power up fine again. This is quite normal.

If you keep an eye on the signal meter and the MPX indicator, you will see they both flicker for some
time, 10-20 seconds, sometimes more, after pressing standby. This is also normal.

I've seen very few tuner faults in BM8000.
Most were cracked solder joints around the interconnects and/or inadvertently pulled cables.
One or two tantal failures and the too long bottom plate screw grounding a copper track, muting the whole thing.

Martin

Hi

 I have tried the reset last night as you said but nothing happened, i turned on power this morning and all i got was 0 0 0 0 in display, could not get any response from anything i pressed, so i left it like that and went and had a cup of tea and when i went back it was off, no standby light or anything, so tried switching off mains power on and off but nothing no red standby light  no clicking noise no power.

marc        

Check the low voltage power supply and also the voltage regulators at the right side cooling fin.
Check also the interconnects and their solder joints between the display and processor boards, there are
some vital signals running through these rather flimsy connectors.

Martin

Which fuse blew ?

Martin