BEOCORD 5500 stops after 5 seconds

12 replies
JE
Offline
Jerryege
Bronze
Posted December 5, 2023 at 05:51 GMT
#1642998
I have a BEOCORD 5500 and no matter what function i try it stops after 5 seconds. i have assumed it thinks there is no tape present so wondered if there was a sensor to detect a tape in place and running, but i cant see one and the only exploded view is of the BEOCORD 5000 which has a belt driven optical sensor. the 5500 does not appear to have this so maybe its another issue.

all lights up beautifully but after the 5 seconds it drops back into standby.

any thoughs?
DI
Offline
Dillen
BronzeModeratorFounder
Posted December 5, 2023 at 18:23 GMT
#1660733
Two different tape drives were used in these autoreverse decks.
One type has a belt-driven tape motion sensor.

Martin
JE
Offline
Jerryege
Bronze
Posted December 5, 2023 at 18:41 GMT
#1660736
Thanks Martin. This doesn't have a secondary belt. Any idea why it's happening?
JE
Offline
Jerryege
Bronze
Posted December 12, 2023 at 17:22 GMT
#1660852
still no further, the standby light is one and when I press any function it comes to life for about 5 seconds then goes back into standby. for the 5 seconds it appears to work correctly, just doesn't carry on.

 

I'm a bit stumped. there is just one belt and I cannot see if there is a 'tape running' sensor as I had a similar issue with my old beocord 500 where it would stop if the tape counter belt wasn't attached.

 

Any thought on what to look at next?

 
DI
Offline
Dillen
BronzeModeratorFounder
Posted December 13, 2023 at 07:57 GMT
#1660864
Does both tape reels rotate during the few seconds when the tape is playing?

Martin
JE
Offline
Jerryege
Bronze
Posted December 13, 2023 at 08:12 GMT
#1660866
yes, functions appear to be normal. FF and RW also and it appears to track skip and i can 'turn' the head to reverse during play.

Even if i just press 'display' it lights up for a few seconds.
JE
Offline
Jerryege
Bronze
Posted December 13, 2023 at 08:43 GMT
#1660868
couple of videos. hopefully this helps

link



 
DI
Offline
Dillen
BronzeModeratorFounder
Posted December 13, 2023 at 17:35 GMT
#1660878
Could be the safety circuit kicking in. It kicks in if the motor is loaded abnormally.
This can happen, if something has seized or running rough in the mech. or if the belts are not correct (too thick or too tight).
- Ebay belts?

Martin
JE
Offline
Jerryege
Bronze
Posted December 13, 2023 at 17:45 GMT
#1660879
Belt looks original and not tensions seams correct, not overly tight. I agree it looks that way but also cut off if you just press display or stop so no motor use at all. (See video)

I have another fully working 5500 so I may swap out the tape unit and see if I can isolate the problem to the mechanism or the circuitry
DI
Offline
Dillen
BronzeModeratorFounder
Posted December 13, 2023 at 19:11 GMT
#1660880
The motor runs all the time, when the Beocord is out of standby.

Martin
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