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t134aa

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Reply with quote  #16 
Quote:
Originally Posted by daniel
I am also a "cheap". I would feel bad if I buy another motor knowing that I could have fixed this one. A couple of days ago I emailed the guy (sandro) at Stab asking for schematics. He didn't reply. So last night at 12AM I called Stab and talked to another guy who told me that they would mail me the schematics, but again nothing happened. This morning I tried to skype the guys and no response. This "good" customer service event is not the first one for me. Once I was trying to inquire about the "personality" of the hh120 that sometimes decides on its own to go back to my reference. Also I didn't get any response. This situation is motivating me to wait for any purchase.

Daniel


Many manufacturers and wholesalers make the mistake of brushing off or ignoring end user inquiries and issues. You might have more luck if you contact the dealer you bought the STAB from and see if they can request the information from STAB or the wholesaler. No guarantee on it but sometimes that approach works.

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HOTDISH90/Spitfire Elite LNB/SG6000 feeding Azbox Premium HD+ >OpenBox S9 > Prof 7500 > Traxis 4000. DMS scalar w/BSC621-2D, BSC421 & 422 for C-band on small dish experiments. Yes, it does work!
daniel

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Reply with quote  #17 
I bought it from Sadoun. They don't longer sell stab motors. I called them asking for the schematics and the tech guy said that they don't have it. BTW, does anybody know where can I get the schematics from?

Daniel

daniel

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Reply with quote  #18 
I finally managed to talk to Sandro at Stab. I asked him for the circuit schematics of the HH120 and he says that it is proprietary so they don't give that. Then I asked him about replacing the relays and he says that there are no relays in that board, everything is solid state. So I assume that all this discussion applies only to the sg2100 but not for the stab, right?
t134aa

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Reply with quote  #19 
I have never looked in a STAB before, don't really deal with them much at all, so could be a mouse on a wheel or alien tech in there for all I know.

The SG's have 2 boards, the controller board and the sensor board on the motor. I found these pics, not very good.


control


motor/sensor

As I suspected, retail pricing on stuff like this is near wholesale pricing for the whole motor.


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HOTDISH90/Spitfire Elite LNB/SG6000 feeding Azbox Premium HD+ >OpenBox S9 > Prof 7500 > Traxis 4000. DMS scalar w/BSC621-2D, BSC421 & 422 for C-band on small dish experiments. Yes, it does work!
Dyalibya

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Reply with quote  #20 

I'm sorry for necr-oing this post .. but I ran into the same problem ... came here to this page and got the courage to open the motor and tinker with it , it turned out that the problem was caused by a relay and I managed to fix it at no expense, I created an account to share my method, this method only works if your motor uses mechanical/magnetic relays 

1-Open the water-proof casing 

2-Locate the big circuit board, you should see two relays, one for east and the other for west, you'll need to know which of them is faulty 

3- connect the motor to a receiver, put the tip of your index finger on one of the relays and try to drive the motor using the manual buttons ( east and west ) you should feel vibration from the good relay and little or no vibration from the faulty relay, repeat and alternate sensing the relays while pressing the manual buttons until you figure out which relay caused the problem 

 If you're good with removing solder and replacing electronic components , you can replace the relay with a similar one , If you're not  .. then you can attempt to repair the relay the way I did

first ... some basic info about mechanical relays 
https://www.phidgets.com/docs/Mechanical_Relay_Primer

the relay in my case had a plastic casing , I cut the top off with the tip of hot knife and found that the spring has become too rigid and the magnet couldn't beat it to complete the circuit , so I just bent the spring a bit with tweezers just enough for the magnet to complete the circuit and that was it, my motor worked like it was new (its been with me since 2006 ) 

if your motor uses solid state relays or the magnet doesnt work at all... then you will have to replace the relay or ask someone to replace the relay for you 

cheers

 


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Tiger T3000, OTT950 , TBS 5980

1.9 Meter previx dish generic actuator 

signalquest

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Posts: 431
Reply with quote  #21 
My Stab HH120 is not working.  I discovered it was somehow driven as far west as it could go.  Not sure how.  It would not respond to commands from 2 receivers or my PROF 7500.  I removed it from the roof and brought it inside and connected it to one of my receivers with short cable and the motor returned to zero when the receiver powered on, but now it will not respond to any commands again.  I opened it up and the LNB COAX connector broke off the main board.  I don't think that is the cause of the issue but will need to repair that once I troubleshoot the rest of my issues.  The motor moves east and west when I apply direct DC to the motor leads.  I suspect one or both of the Power MOSFETs are the cause. I need to do some more in depth probing when the receiver is commanding it to move to see if the MOSFETS are working as expected.  Please let me know if I am on the right track or if anyone has any suggestions.  Thanks.
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10' MESH w/ DMX241, and GBOX w/ Von Weise Actuator
1 meter KU w/ SG2100 rotor
PROF 7500 w/ Linux using XBMC, TVHeadend, blindscan-s2, and tune-s2
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