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ARCHIVED FORUM -- April 2007 to March 2012 READ ONLY FORUM
This is the first Archived Forum which was active between 17th April 2007 and
1st March February 2012
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Here's some good reading, http://www.condoraudio.com/ look to the right side of the web page for Beogram 4002
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All is grand in Beoland! I pulled TR5 to test, it tested good, put it back. Put the belt and platter back on, put a 45 on just for fun, pushed start and the tonearm went right by the 33 part, it did the auto switch speed to 45 and dropped on the 45 record!!!! My guess, cold solder joint?
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I bumped up to silver membership and still no schematic?
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I changed 1c19 4.7 1c20 1.0 1c21 4.7 no change in operation. darn. I like to change things one thing at a time, then test to make sure I haven't made things worse.
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I disconnect the light in the arm, pressed START (nothing on platter) platter spun up to speed, tone arm moved to edge of platter and dropped tonearm at the 33 area. I picked up a couple caps that load up to tell the arm stay up or drop down, the ESR meter showed being marginal I'll give them a try later today. btw: I was a paid member but money
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yes I know what "1TR5" is, but look at the center of the pic I posted what does "Rep. BL " mean? I have the service manual but it does not have a full schematic. I don't think anyone has a FULL schematic for this TT. I found some high ESR's on a couple of cap's so I'll replace them and see.
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anyone know what this means? "Rep. BL (1TR5)" I'm thinking that my problems are in the detector arm circuit. But not having a schematic I'm lost.
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do the transistor's 1tr6 or 1tr8 have a habit of going bad?
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black, white, blue wire have continuity with the board.
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