Lasonic 975 auto reverse acting weird

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mmcodomino

mmcodomino

Member (SA)
So, the problem is that deck B always pops from ploaying forward into playing reverse in the middle of tapes. After working the program button and play a while, it works somewhat but is not reliable.
It always worked so far and this is the first time it occurs.
Has anyone here had similar problems?
And most important, could this be just a loose belt in there? Because if it is only a loose belt, I am relieved. I hope it does not go into the small pieces of the tape mechanism and auto reverse... :-/ .
Oh, reverse plays fine btw but I actually would like it to be fully working as it should since it worked like that before! :-/

Thanks a lot for your help!
 
mmcodomino

mmcodomino

Member (SA)
It's been playing fine now all the time since I posted the issue...it is so weird.
Like an engine that has to heat up before it fully runs... :huh: :hmmm:

Ideas welcome.
 
Fatdog

Fatdog

Well-Known Member
Staff member
It might be the actual cassette in combination with loose belts. Sometimes the tape (after a lot of FWD and REW) will create ridges as it spools and will increase resistance to spinning. If the belt is too loose and the cassette seems to resist spinning, the player might think it is at the end of one side and switch to the other. That is where I would start with my prognosis.
 
mmcodomino

mmcodomino

Member (SA)
Fatdog said:
It might be the actual cassette in combination with loose belts. Sometimes the tape (after a lot of FWD and REW) will create ridges as it spools and will increase resistance to spinning. If the belt is too loose and the cassette seems to resist spinning, the player might think it is at the end of one side and switch to the other. That is where I would start with my prognosis.
Click to expand...

Thanks for the idea - the problem is I had the deck running without a tape in it and it would do the same thing.
Then, after a while, I started to work longer and now it eventually worked fine again.

I had the idea of some grease in some spots maybe? To reduce friction at certain parts?

Actually a TRC975 owner would have to jump in who had the same problem... :-/ .

You, know I can live it...but it seems to be something easy to fix since it worked again now.
I will check again tomorrow to see if it stopped working. Then it is most likely some friction somewhere I guess :huh: :huh: :hmmm:
 
mmcodomino

mmcodomino

Member (SA)
This Lasonic is a freakin' DIVA.

It played fine all the time and now it decided it was time to get my attention again by clicking in auto reverse :annoyed: .

Fatdog, I am just trying your idea - I am letting and empty tape run through it....nope...just clicked too.
I am annoyed with this. :-/
 
mmcodomino

mmcodomino

Member (SA)
:hmmm: It seems to like LL Cool J - no clicking to reverse yet :hmmm:

It is so so so so so very weird. An obsessed Lasonic :ghost: :scream: :jacko: ?????
 
Fatdog

Fatdog

Well-Known Member
Staff member
Ghost in the machine! :lol:

Hmmm. Check the belts for looseness or even deformities. Have you changed the belts previously on this box? If the belt slips at all it might trigger the auto-reverse.
 
mmcodomino

mmcodomino

Member (SA)
Fatdog said:
Ghost in the machine! :lol:

Hmmm. Check the belts for looseness or even deformities. Have you changed the belts previously on this box? If the belt slips at all it might trigger the auto-reverse.
Click to expand...

I have not done anything with the belts on this box...I have seen it is only two belts - one giant one and a rather small one.
Actually it looks really easy to change. I already threatened the Lasonic with opening it up again if it doesn't stop with this :lol: .

Madonna plays fine right now...but I am just waiting for the click actually... :-/

This machine is tricky...always when I just sit down, it clicks...and I bet like when I post this, ti will click into auto reverse in that very moment :lol:
 
Fatdog

Fatdog

Well-Known Member
Staff member
Pondababa.jpg


He said he doesn't like you. :lol: :lol: :lol:
 
mmcodomino

mmcodomino

Member (SA)
:lol: :lol: :lol:

Okay - last diagnosis for today: It's the belt.
Why I think so? Well - on high speed setting, the problem did not occur at all, I guess it is because the belt somehow accquires more firction in high speed.
So I guess I will be doing a belt change on this quite soon.
But I think before that I am going to get new Lasonic old stock graphics and then the chrome rings aroudn the speakers will get a bath and the grills might bet a new black paint coat. :-)
Well, restoration is never complete :lol: .
Thanks for your help and support, Bobby :thumbsup: :thankyou:
 
Fatdog

Fatdog

Well-Known Member
Staff member
:-D :thumbsup:

Be sure and take pictures of the process for changing the belt. :yes: It can be a great resource for current / future 975 owners.
 
mmcodomino

mmcodomino

Member (SA)
Today...it decided to work just as it should :lol: .

Still it smells like a belt-change has to follow :yes: .

But i have another box coming that will probably get my attention first. :-P
 
blu_fuz

blu_fuz

Well-Known Member
Staff member
mmcodomino said:
:hmmm: It seems to like LL Cool J - no clicking to reverse yet :hmmm:

It is so so so so so very weird. An obsessed Lasonic :ghost: :scream: :jacko: ?????
Click to expand...

Posessed ;-)
 
mmcodomino

mmcodomino

Member (SA)
blu_fuz said:
mmcodomino said:
:hmmm: It seems to like LL Cool J - no clicking to reverse yet :hmmm:

It is so so so so so very weird. An obsessed Lasonic :ghost: :scream: :jacko: ?????
Click to expand...

Posessed ;-)
Click to expand...

Okay, okay...down with all those German kids who think they can speak any English :lol:

Ich werde ab jetzt nur noch auf Deutsch Beiträge schreiben. :w00t:

BWAHAHAHAHA :devil: :lol:
 
baddboybill

baddboybill

Boomus Fidelis
I would agree with Bobby and change your belts. This box is a very easy belt change compared to the 1st edition lasonic trc931 :-D good luck :thumbsup:
 
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