Posts by osaca78
14 total posts12 results
Beogram CD 3300 doesn't read CD
in BeoGram · Jan 19, 2024 19:17Hello Dillen I haven't been able to determine whether the laser goes up or down. On the other hand, the head does not move and will not read the TOC on the CD. I checked the condition of the flexible cable that powers th…
Beogram CD 3300 doesn't read CD
in BeoGram · Jan 18, 2024 23:14Hello Martin To start the repair I had already replaced the C2103 cap on the servo board. (it is indeed a Philips axial blue,) because this problem is known and frequent on the Beocenter 9000/9500. But the problem stay I…
Beogram CD 3300 doesn't read CD
in BeoGram · Jan 18, 2024 06:20Good morning I have a Beogram CD3300 which no longer wants to read CDs. The CD starts and after a few seconds, it stops indicating a question mark (or 2 may miss a segment on the display ?) I think he can't read the trac…
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Jan 23, 2023 21:11Yes, the Pin 21 to ground which bugged the bus and prevented the 4044s from operating normally
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Jan 23, 2023 11:59Finally, the problem comes of the MM5450 on lower panel . After changed , it's OK Regards Stephane
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Dec 5, 2022 21:50Hi Spassmaker If I switch on with the remote , only remote buttons work and LED are OK but the sensor buttons don't work I will make the Test mode wednesday because not at home Tuesday Thanks for your helping ! Regards
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Dec 2, 2022 21:56Hello, I checked all the points mentioned Here is the result of the checks 5 Volt on board 42 IC1 , 2, 3, 4 (5V clean =>no noise) CLP signal seems OK: square signal but in the form of a "frame" no continuous signal => is…
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Dec 2, 2022 10:04Hello Thank you Spassmaker for this very precise technical informations I will check it all ! Yes the MM5450 manages the LEDs but as the clock signal (pin 21) is also sent to the S/ inputs of IC1, 2 4 and I did not know …
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Dec 1, 2022 21:29Hello According to the MM5450 datasheet, it seems that the signal sent to pin 21 (clock) must be 5V at 500Khz. Can someone confirm these values by measuring on their BOCENTER 9500?
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Dec 1, 2022 21:20Die_Bogener wrote: It is possible to remove the glass panel … 1 bolt on the side. It’s a push and lift construktion… … and then you see the rubber contact to the glass panel. Or is it missing? Touch and start. Never touc…
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Nov 30, 2022 21:22Thank you for your quick response Yes, I know this problem with glasses, but this is an electronic problem. I removed the glass the one that allows me to touch the plastic tips directly with my finger, but no effect! I d…
BEOSOUND 9500 Lower keyboard issue => doesn't work
in BeoSound · Nov 30, 2022 06:51Hello My lower keyboard does'nt work. I can't turn-on my unit with the panel . Only remote control allows to start the unit Lights work when switch on or switch off on the 3 boards ( left ,middle right ) I checked the po…