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- 03-14-2010 09:52 PM #1
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Help installing a 4dtv-920 receiver
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I have a 4dtv-920 receiver by General Instruments that has no wiring diagram or installation manual. The 10 foot dish has only one coaxial wire coming out of the feedhorn and the actuator uses 4 wires (red,pink,white,green) and its made by Von Weis. The LNBF is made by Astrotel Comm Corp and the model is: PM-9/C-V/H. Freq range is 950-1450 mhz with a Noise of 20 and a db gain of 64.
I don't know where to connect the red,pink,white and green wires that are coming from the actuator. The receiver has a few terminals like M1,M2,and above that a terminal with Pulse,+5V,Gnd and a terminal labeled Polarizer at the bottom. I'm new to this so any help would be greatly appreciated. Thanx.
- 03-14-2010 09:52 PM # ADS
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- 03-14-2010 10:21 PM #2
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Let me make a stab at this one. You m1 and m2 are your 37 volt wires to power your motor. These will be your two heavier gauge wires. Hooking these two wires up backwards will simply reverse your east and west motor drive. The small gauge wires are you positioner for the motor counter. To check the positioner wires without guesing remove the 4 torx bolts on the end of the motor. They should be labled.
- 03-14-2010 10:36 PM #3
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try this from skyvison
- 03-15-2010 03:48 PM #4
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After checking the link that mike gave me I found out that the cable used in this unit was not original so I decided to take the cover off the actuator and photograph it to make it easier to figure out where those wires go. I made a mistake on the colors of the wires,the colors are Pink,White,Green and Orange.
Last edited by supernova; 03-15-2010 at 04:26 PM.
- 03-15-2010 05:18 PM #5
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The wire is really red and it's just faded with age.
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Channel Master 8': BSC421, Openbox S10: New Receivers: Traxis DBS2800 X 3ea.
Prodelin 1.2M: Dual KU: Prodelin 1.2M:
OTA: Tower 35', Ham II Rotor: (UHF) CM4251 & CM7775, (VHF) CM3617B & CM7776
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Dish Network 322/ Family Package: Prodelin 1.2M
- 03-15-2010 08:16 PM #6
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Any idea where those wires connect to the receiver?
Looks like the top 2 go to M1 and M2 but the other two I'm not sure.
- 03-15-2010 08:28 PM #7
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Red and White (motor wires) go to M1 & M2. Orange & Green go to sensor (pulse) and ground for the reed switch.
- 03-15-2010 10:31 PM #8
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Thanx tvropro....I'll let u know how it turns out.
- 03-16-2010 10:04 PM #9
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As surgdevil mentioned if you hook the two wires up backwards it will reverse the east west limits, mine is hooked up wrong
it still works just fine, I just have to remember east is west and west is east, as for the receiver calculating where the next sat should be it works just fine, I have no issues what so ever.
I just wanted to mention that just in case you where worried about it.
Terry
- 03-17-2010 10:28 PM #10
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Thanx guys for all ur help. I got the actuator working but when I select different satellites it moves a little then stops so I fed 24 volts directly to the actuator and it moves all the way up and then all the way down when I reverse the wires so the actuator is OK. I still haven't mounted the screen mesh and LNBF and I want to know how to calibrate it after I mount everything back up to be able to tune in the sats available in my area?
Originally Posted by TMair 
As surgdevil mentioned if you hook the two wires up backwards it will reverse the east west limits, mine is hooked up wrong it still works just fine, I just have to remember east is west and west is east, as for the receiver calculating where the next sat should be it works just fine, I have no issues what so ever.
I just wanted to mention that just in case you where worried about it.
Terry
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