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Still have the project development PCB. :cool: No longer have the schematics.

Also, the LNBF appears to be installed in the clamp with the skew set to "0". The skew for 97W satellite from Florida should be rotated to approximately to +26.3° https://www.dishpointer.com

Be certain that your longitude and latitude coordinates are entered correctly in the stb. Often the longitude East / West selection is selected wrong or not entered as a positive or negative number. Please take a screen shot of the USALS (GoTo X) motor configuration menu settings.

Many motors without manual reset buttons allowed the user to perform a reset at the motor using the East / West buttons. Drive the motor to the centered "zero" position. Remove the motor power. Press and hold both East and West buttons while restoring the power. Continue holding both buttons...

What color and status (solid or blinking) is the LED while a DiSEqC command is being sent from the STB? Solid green - unit is receiving power Blinking orange (or red) - Receiving a DiSEqC command Solid orange (or red) - Error

The Golden Ring fit inside the feedhorn. Haven't seen one in years, but they do show up on eBay. Magic Static had (has) several tucked away.

So you will be building two satellite listings for each satellite? Since each satellite position in the list supports one LNB profile, 22KHz switch is only controlled by profile or LO switching. The above diagram would require one satellite for horizontal and a 2nd satellite for vertical. For...

A TXCO can be located at any point in the feedline. One TXCO can provide reference to one or several LNBs, depending on the distribution multiplexing hardware. Use a mux tee with multiplex to provide the power and reference to a single LNB. Mux Tee – Orbital Research Ltd. Often see mux tees and...

Use a powered multi-switch with the paired ports modded to provide 18VDC to both of the C-band orthomode LNBs. Run the KU LNBF on an unmodded high band port. I remember some threads years ago with Anole, Magic Static and others regarding their ortho switching hardware.

Easiest to delete the channel and rescan the new transponder.

If you use a stacked type LNBF, then you could use a single output model into a 1 in, 4 out, 3GHz splitter (or instead, use a 4 output stacked model eliminating the need for the splitter) to distribute the Horizontal and Vertical signals to each of the 4 tuners. If you wish to add another fixed...

A single port LNBF with voltage polarity selection isn't the best choice to share with 4 tuners. This type of LNBF can only output one polarity at a time. If one tuner selects a horizontal polarity transponder, the other three tuners will only have horizontal polarity transponders available...

Each switch type has an application. In my experience with two port switching, I have found the opposite to be true. 22KHz switches are much more reliable. The decoding is simple, the tone is either present or not and the amplitude is not as critical as with modulated tone sensing for reliable...

Remove the 22khz switch and connect the STB only to the ASC1, with no LNBFs connected. Change transponder polarities on the STB. Does the ASC1 front panel display show and track the polarity changes?

Arlo, exactly the testing that I hoping to walk through, but was breaking it down into bite size chunks... Tnx!

Is the KU LNBF mounted on the BUD or do you use a separate KU dish with motor? Your current wiring path is correct and will work fine if both C-band and KU-band LNBFs are on the same motorized BUD. Bypass the switch and run the coax directly from the ASC1 LNB port to the KU KNBF and test for...

JFOK, Isn't your system wiring like this: STB >>> 22KHz >>>(One port to KU and other port to ASC1)? If so, the STB controls the switch. The ASC1 has control of the C-band motor and polarity setting, with no control or signal path on KU band. To test the KU, bypass the 22KHz switch and direct...

With the ASC1 in line, does the ASC1's front panel display the polarity changes that tracks with he STB selections? - If so, measure the ASC1's LNB voltage for both polarities. - If not, check the ASC1's LNB Voltage setting to confirm it is 13v Vertical / 18v Horizontal. BTW... the...

Consider inserting a quality 3GHz splitter ( 2 port / 2 port power passing) at the STB. One coax leg to the motor and the other coax leg to the multi-switch. Slightly higher insertion loss, but simple to install and less coax to run. Maybe a wash in the total attenuation.

Ran my C-Band dish remotely between my home and business over about 1/2 mile. Passed 4K and controlled the dish positioning and polarity via IP using a point to point Ubiquity system, an Edision Mio OS and a web based GUI. Example: A typical HD service uses 6-9Mbps. A demuxed 4K service could...

Looks like SatelliteAV has NOS HH90s: HH90 USALS | Satellite Antenna Rotor - Stab

The issue with the T90 model in North America is that the gain is equivalent to a 76cm dish. Many years ago, I experimented with a T90 and wasn't satisfied with the performance. It was fine for stronger transponders, but not adequate for weaker transponders. No doubt that the T90 is fine in...

Do you store the Horizontal and Vertical Skew servo defaults with each satellite position? If not, save your X and Y axis joystick setting along with the skew Horizontal and Vertical offsets to be called out by Arduino or ???

Measure the DC power at the motor on the coax coming from your STB. Horizontal polarity voltage? Vertical polarity voltage? Measure under load if possible. Disconnect the coax at the motor that loops through to the LNBF? Does the motor move with the manual button with LNBF coax disconnected...

No voltage schematics are available. Digikey and I both have the components to populate the PCBs. Does the motor bump East/ West? LNB voltage switch? S1/S2 voltage? Servo voltage? AC Voltages on transformer secondary outputs measure within 10% of printed specs? AC line selector set to 115...