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--- skyperdescription [2019/06/16 19:00]
dg5ffn
+++ skyperdescription [2019/06/17 19:54]
dg5ffn
@@ Zeile 111: / Zeile 111: @@
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 ===== Separating the display board from the case =====
-In case you have trouble with the silicone rubber keyboard or with the microswitches underneath
+Should you have trouble with the silicone rubber keyboard or with the microswitches underneath
 you may want to take display board and case of your Skyper apart.
-Another reason to do this may be that you want to clean the display and case from the inside.
+Another reason to do this may be that you want to clean the display and case from the inside
+or to replace a damaged Skyper case with a better one.
 {{:p6160003y.jpg|}}
-Of course you can do this like DK7TD describes it using a small screwdriver.
+One straightforward way to do this is the one DK7TD describes using a small screwdriver.
+For an experienced user who knows what he's doing this can be the way to go.
+But there is some risk in it especially if you are doing this for the first time.
+If you are unlucky you may end up with a display where some lines of pixels are missing
+when you power up your Skyper afterwards.
+What has happened? Please keep in mind that Skyper hardware is around 20 years old stuff.
+While pulling out the display board this way the flexible board connector
+atop of the LCD display may move and some pins can get loose.
+Should this ever happen there is no known way to fix it.
 {{:p6160026y.jpg|}}
+After experiencing this twice up to now (I have modified >20 Skyper) I asked myself:
+Is there a safer way to work on the display board?
+YES there is one.
+You can fix the LCD to the display board applying a few drops of 2K glue at the positions
+shown below.
+After hardening for some hours you can pull out the board using a simple smartphone
+opening tool at the two shown positions.
+One tool is enough - you don't need two of them.
@@ Zeile 135: / Zeile 166: @@
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+If you did the soldering and the modification on the RF board of your Skyper yourself
+it should be no problem for you to get the old microswitches out and new ones in.
+For me it was difficult to get them here in Germany. The dimensions are listed below.
+I found them on eBay. They are quite inexpensive even if you have to order 100 pcs in China.
+In my opinion its a good idea to replace all 4 microswitches even if only one
+is faulty. So the look and feel is the same on all 4 keys afterwards.
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