Instruction/ maintenance manual of the product 490-85 Xantech
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08905105A - 1 - INSTALLATION INSTRUCTIONS 490-85 CLF / LCD Friendly Micr o Link IR Receiver DESCRIPTION The 490-85 is a CFL (compact fluoresc ent light) / LCD (liquid crystal di splay) version of the 490 Micro Link series IR receivers.
08905105A - 2 - IR CARRIER ADJUSTMENT The 490-85 is factory set to an IR carrier repeat frequency of 39kHz . This will be correct for the majority of installations. Howe ver, some manufacturer’s components that you wish to control may use different carrier frequencies (such as RCA DSS satell ite receivers that use 56kHz).
08905105A - 3 - APPLICATION WIRING A typical system, with a 490-85, 781RG Power S upply and 283M Emitters plugged into a 791-44 Connecting Block, is shown in the figure below. 1. Plug the 3.5 mm stereo mini plug from the 490-85 into the 791-44 connecting block labeled “IR RCVR”.
08905105A - 4 - IR Troubleshooting Guide NOTE: Due to the many variables in a given installa tion, the troubleshooting counter measures you will have to take may vary from job to job. Each insta llation is different due to the number of IR receivers in use, length of wire runs, type of wire, amount of ambient IR noise present, etc….
08905105A - 5 - Symptom #2: TB LED on IR Receiver (and/or Emitters) Dimly lit or flickering Cause: Solution 1. Signal and ground wir es are reversed or shorted either at the connecting block or IR receiver. Recheck your wiring. 2. Defective emitter. Replace Emitter 3.
08905105A - 6 - Symptom #3: TB LED on IR Receiver (and/or Emitters) on solid Cause: Solution 1. Plasma Interference Use a 490-90 Plasma 'Friendly' Receiver. If already using a 490-90 unit, please note the Plasma interference can be reflected off of any item it comes into contact with within approx.
08905105A - 7 - Symptom #4: TB LED on IR Rec. blinks but 283M or 286M 'Blink' style Emitters do not Cause: Solution 1. There may be a short, such as a staple driven through the Signal and GND wires of the IR Receiver and/or the emitter. Recheck your wiring.
08905105A - 8 - Symptom 6: Emitters function but some (or all) components do not respond. Cause: Solution 1. Emitter placement is incorrect. Reposition the Emitter so that it is directly over the components sensor window. Consult the components owners manual of the unit for the exact location of the IR Sensor Window.
08905105A - 9 - Symptom #7: Absolutely No Functionality (How to determine which component is at fault) Step: Component to Test Instructions 1. Verify Power Supply With a Multimeter, measure the DC Voltage of the supply while it is connected to the Connecting Block.
08905105A - 10 - 4. Verify IR Receiver. Remove the power supply from the connecting block and all Emitters from the output. Place a jumper wire on the connecting block between IR Signal and GND. Reconnect the Power Supply. With a known good hand-held remote, shoot a constant IR Command at the receiver and verify the TB LED on the Receiver lights.
An important point after buying a device Xantech 490-85 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Xantech 490-85 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Xantech 490-85 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Xantech 490-85 you will learn all the available features of the product, as well as information on its operation. The information that you get Xantech 490-85 will certainly help you make a decision on the purchase.
If you already are a holder of Xantech 490-85, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Xantech 490-85.
However, one of the most important roles played by the user manual is to help in solving problems with Xantech 490-85. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Xantech 490-85 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
