Summary of Contents for TelePost Incorporated LP-200
- Page 1 LP-200 Dummy Load / Wattmeter Enclosure Retrofit Assembly Instructions March 2009 TelePost Incorporated LP-200 is a trademark of TelePost Inc. Material in this document copyrighted ©2009 TelePost Inc.
- Page 2 Introduction These instructions will gude you through the installation of the LP-200 enclosure. There is really more dissassembly than assembly involved, but it’s a straightforward process and should only take about an hour to do. Before starting, you should inventory the parts. Here is a picture of all the parts except the enclosure top, bottom, and six sheet metal screws that hold the top to the bottom.
- Page 3 Assembly Pre-assembly overview. Assembly will follow this basic order… Removal of power switch. Removal of display connector Installation of new tactile switches (old switches can remain) Installation of new power switch Installation of new display cables The following tools are recommended to complete assembly… Adjustable soldering iron –...
- Page 4 Assembly Cont’d Using the alcohol and toothbrush, carefully clean away excess flux from the dissassembly procedures. Here is a picture of what the display connector holes should look like after unsoldering and cleaning… Install the three right angle tactile switches next to the existing three maller ones. Do not install the keycaps yet. You may have to slightly enlarge the holes where the plastic tabs fit, or file down the plastic tabs so that they fit snugly.
- Page 5 Assembly Cont’d Prepare the two ribbon cables as shown below. You should place a piece of electrical tape over the exposed metal edges where the pins are crimped, because the two cables will be close to each other when installed. For clarity, I used the dark colored wire in each as a reference to determine which side of the cable is up, but this doesn’t really matter as long as the two are kept parallel to each other.
- Page 6 Before installing the enclosure top, it is necessary to determine the fan direction. The original units had the fan blowing downward, as this provides the most ventilation. With the new enclosure, this will blow a lot of hot air onto whatever sits below the LP-200. You may wish to physically flip the fan to blow upwards.
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