https://archivedforum.beoworld.org:443/forums/29.aspxHave a specific BeoGram Record Deck related question? Ask here.enCommunityServer 2008 SP2 (Build: 31104.93)https://archivedforum.beoworld.org:443/forums/thread/176272.aspxMon, 19 Jan 2009 06:49:04 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:176272tournedos0https://archivedforum.beoworld.org:443/forums/thread/176272.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=29&PostID=176272<p>I think the CD4 decoder was still an option on 4004 - it certainly was on 4002. It&#39;s a large and densely populated board under the keypad, which you probably would&#39;ve noticed if you had the turntable open. It&#39;s unlikely you have this option though, since quadraphony was pretty much out of fashion already when the 4004 was introduced. There should also be a &quot;CD4 / off&quot; switch on the right side of the plinth, but it may be there even without the actual decoder board. The details of this board are in the Beogram 4002/6000 service manual.<br /></p><p>For checking the speed, you can simply print out a strobe disk from <a href="http://www.extremephono.com/free_turntable_strobe_disk.htm" target="_blank">here</a>, for example. If the speed trimmers are properly calibrated, the turntable will run at the correct speed quite accurately when you have them centered.</p><p>The turntable is centered with the same three leaf springs that take care of the height of the floating part of chassis. The leafs can be moved a little back and forth as well as adjusted up and down. See page 4-1 in the service manual for details.<br /></p><div style="clear:both;"></div>https://archivedforum.beoworld.org:443/forums/thread/176254.aspxMon, 19 Jan 2009 06:09:31 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:176254DouglasM0https://archivedforum.beoworld.org:443/forums/thread/176254.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=29&PostID=176254<p>Hi, I&#39;ve jsut got my first 4004 and have a couple of questions. First, is it a qiadraphonic table? I ask as I see that there is a &#39;4 Chanel&#39; light in the display. Also how is one suposed to set the speed as I see no strobe, only the adjustment wheels. Finaly, how do I center the turntable? I&#39;ve looked in teh service manual and have successfuly set all the other turntable adjustments but it is running slightly out of center and I would like to correct this.</p><p>Cheers,</p><p>- Douglas</p><div style="clear:both;"></div>