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  • Re: No Sound from Beocenter 2200

    The 5A fuses are for the main power supply to the amplifier's,the 'speaker fuses are the other ones,and rated at 2.5A. There is obviously a serious failing in the power supply,which may be due to faulty rectifier,etc. If you are not confident working with electronics,it would be best to entrust any further work to someone who is. Nick
    Posted to General Discussion & Questions (Forum) by solderon29 on Sun, Mar 21 2021
  • Re: No Sound from Beocenter 2200

    Check first that you have your 'speakers connected to SP1.SP2 is controlled by a switch at the front of the unit. Also,there are fuses to protect the speakers.These fuses are located inside a small hatch in the bottom of the unit and may have blown? You just undo a screw in the hatch and open it to reveal the fuses.Replace with the same value new ones if they have failed. Otherwise,as Martin said,you will need to check supply voltages inside,but t's rare to find problems with the power supply
    Posted to General Discussion & Questions (Forum) by solderon29 on Wed, Mar 17 2021
  • Re: Beocenter 7007 DIN Line-in

    There is a wide choice of RIAA pre-amps available,from cheap functional items to more esoteric "audiophile"types. I've used the Behringer PP400 with good results.It's well made,and sounds nice too. The item in your link is rather complicated for your needs it seems As to cost,the Behringer retails in the U.K.for about £30,but a 'net search should produce a local source for you. There have been many threads on this site regarding RIAA pre-amps.It might be worth you running
    Posted to General Discussion & Questions (Forum) by solderon29 on Sun, Feb 14 2021
  • Re: Beocenter 7007 DIN Line-in

    Yes. I imagine that the Pioneer uses RCA connections,so you just need a five pin DIN plug to four RCA connector cable,which is readily available. The colour coding of the RCA connectors varies between maker's,so you will need to establish which is audio in and out. Remember too,that once connected in place of the dummy plug,your mixer will need to be on alway's for any sound to come through from radio,tape or records,and the level of output from the Beocenter will be dependant upon the settings
    Posted to General Discussion & Questions (Forum) by solderon29 on Sat, Feb 13 2021
  • Re: Beogram CD-50 Goes crazy after 2 minutes

    Good new's! The suspect cable is a five wire ribbon at the front edge of the pcb's,and it goes between P302 on the top board,to the corresponding P302 on the lower board. It should have a label fixed to it showing how the cable should be placed.It needs to be wound up so that it is kept away from the first stage of the servo pre-amp IC101(CX20109,top board)when the board is lowered. Its a bit fiddly,but I usually tie a small cable strap around it when it's bunched up. Enjoy your CD50's
    Posted to Vintage Products (Forum) by solderon29 on Fri, Feb 12 2021
  • Re: Beogram CD-50 Goes crazy after 2 minutes

    Does the machine perform normally when the top pcb is raised into it's service position? If so,you should note that the wiring loom at the front of the board has a label on it advising that it's position is critical. If it's not positioned as in the diagram,then noise can be picked up by the pre-amp,and cause all sorts of odd problems. Nick
    Posted to Vintage Products (Forum) by solderon29 on Sat, Feb 6 2021
  • Re: Connecting Technics SL10 to Beomaster 7000

    The Beomaster 7000 does'nt usually have a RIAA preamp fitted to the phono input,although it could be retro fitted,but they are very rare nowaday's. The matching Beogram 7000 had an integral RIAA preamp. You could connect your Technics turntable to the BM7000,but you will need a pre-amp. Does the designation MC310 mean that your pick up is moving coil,rather the the usual moving magnet? If so,you will need a preamp designed for that spec. Nick
    Posted to Vintage Products (Forum) by solderon29 on Fri, Feb 5 2021
  • Re: My MCP 5000 just died all of a sudden !

    The batteries seem fine. Can you check the voltage at TR52 collector,when you press any key or alternatively,short TP15 to metalwork? The manual is on site here if you upgrade your membership(good value)The details for the MCP are included with the Beomaster 5000 manual if you search. Nick
    Posted to General Discussion & Questions (Forum) by solderon29 on Fri, Feb 5 2021
  • Re: My MCP 5000 just died all of a sudden !

    Yes indeed,and use good 'uns too,eg Varta,Duracell or Energiser. If you are in the UK,then I can recommend the Sainsbury's own brand batteries too.I understand that they are rebranded for Sainsbury's by Energiser,but they are less costly! Otherwise,there may be a problem with the power supply regulator,which rather cleverly,is normally in "sleep mode"but comes to life when a key is pressed.If the key board is faulty(common)it can confuse everything.Try pressing the most used
    Posted to General Discussion & Questions (Forum) by solderon29 on Fri, Feb 5 2021
  • Re: Beogram CD-50 Goes crazy after 2 minutes

    There were a lot of aftermarket "tweaks" to this machine,but they were proper factory or Service Agent jobs,so should be quite presentable. If your machine is a mess inside,it suggests that the "phantom bodger"has paid a visit,and probably been generally poking around in there,and messed up the electrical alignment> These are good machines and robustly made. Can you compare your two machines,and ascertain if anything is obviously different in the "messy" one,such
    Posted to Vintage Products (Forum) by solderon29 on Fri, Feb 5 2021
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