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Beogram 2000 or 5000

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leica1925
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leica1925 posted on Sat, Mar 4 2017 6:53 PM

Does anyone out there know enough about the Beogram 5000 or Beogram 2000 to solve a problem?

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chartz
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You will have to be more specific mate!

Jacques

Dillen
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leica1925:

Does anyone out there know enough about the Beogram 5000 or Beogram 2000 to solve a problem?

Yes.
Many.

Martin

leica1925
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The BeoLink between my Beogram 5000 and Beomaster 5000 has stopped working. However, the BeoLink between my CD 50 and Beomaster works perfectly. Please, someone help me solve this problem.

Dillen
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Dillen replied on Mon, Mar 6 2017 11:57 PM

Sounds like datalink, - not BeoLink.
Is the Beogram playing and sounding fine when Phono is selected on the Beomaster and play pressed on the Beogram?
Does the DIN plug at the end of the Beograms signal cable have 7 pins or only 5?

Martin

leica1925
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Thank you for responding. The Beogram 5000 operates and sounds fine when operated manually. The phono plug has 7 pins, of which 2 are threaded and screwed in.

Dillen
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Dillen replied on Tue, Mar 7 2017 12:53 AM

Is datalink disfunct both ways?
- The Beogram doesn't start when Phono is pressed on the Beomaster
- The Beomaster doesn't start and/or switch to Phono when the Beogram is started?

Also with a record on the platter?

If so, perhaps bad solder joints where the socket bay board is soldered to the preamplifier in the Beomaster,
or bad protective diodes on the datalink signals - in the Beomaster or Beogram - or both.

Martin

leica1925
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The Datalink IS disjunctional both ways. Record or no record...it does not make a difference. (And, I stand corrected on the term Datalink and not BeoLink.) Bad protective diodes? I have schematics and service manuals for both. Is it possible to suggest some schematic id's for those diodes? I don't want to be a pest.

Dillen
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I don't remember the designations but the protective diodes are directly on the datalink
signals to ground and Vcc respectively, - first thing inside the units.

A wire broken off inside the DIN plug wouldn't be a first either.

Martin

leica1925
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Tomorrow morning, I will check for broken wires, solder joints, etc. and study schematics and check diodes. What can I say to express my appreciation for your help? Thanks seems so inadequate. I will let you know how I make out.

leica1925
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I checked the continuity of all conductors in the phono cable. Also, I removed the Beomaster 5000 cover and checked for good solder joints and diodes in the Datalink connection at the phono input. I opened the Beogram 5000 and checked Datalink diodes and wiring continuity. All is well.

leica1925
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But still no Datalink function on phono.

Peter
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Peter replied on Thu, Mar 9 2017 9:05 PM

You need to work out where the fault is first - the Beogram will respond to remote control if plugged into the CD socket though you will need to connect pins 6 and 7. It won't sound any good, but if the Datalink works, the fault is in the Beomaster. Equally try the CD in the phono socket, again connecting pins 6 and 7  - keep it on very low volume or just see if it responds - if it does, it is the Beogram.

Peter

leica1925
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Today, I fixed my Beogram 5000 data link problem and this is how I did it. I disassembled the DIN plug for the second time to look around inside at wires and solder connections. I found a very short blue wire that had been cut. I could also tell that someone had been in the plug in the past to resolder some wires. I spliced a short piece of wire to the cut blue wire and connected the other end to PIN number 7. I reassembled the plug, put the turntable back into my system, pressed PHONO on my terminal 5000 and BAM!!!!!!, it worked perfectly. So, your suggestion to check simple things first fixed my problem and I'm very grateful for your help.

Thank you,

John Maddox

Greenville, SC  USA

 

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