Hofmann Megaplan Service Manual megaline SSENCE
SSENCE 400/600
Page 18 of 52
2.4 Cameras and IR-LED Panel
2.4.1 Different versions
In the course of product development since 01.07.2013 is a modified camera, in which the
reflection filter is applied directly to the camera lens. Both types of cameras are shown here.
.
Old camera
New camera
also the disc with the LEDs was changed.
old style with filter
new style without filter
Both types of the camera can be mixed, they are compatible. The only thing you have to take
care is that never two filters are used together. If you change to a camera with included filter
please remove the filter on the ID LED disk. (fixed with hot glue)
2.4.2 Test and exchange IR-LEDs
The Infrared LEDs simply can be checked with a digital
camera. Through camera the LED shines in white. Here in
the picture you can see broken LED's, but the quantity of
broken LEDs does not have an influence to the function of
the aligner.
If it is nearly dark the aligner can work with one (!) LED.
That means, that a 50% fail of the LEDs still always brings
a good result, if there is not much sunlight around the
aligner. If more than 50% of the LEDs are broken, please
exchange the LED-ring.
