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sem:graphical-marker-pcb [2018/09/18 22:53] (current)
beat.geissmann created
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 +====== Graphical Marker PCB ======
  
 +**ASSY-Number:​** ​ A1-853918
 +
 +**Location:​** In the left of the ceiling of the control console (See [[sem/​map|the map page]].).
 +
 +**Status:**
 +  * **Initial**:​ Unknown
 +
 +===== Image =====
 +TODO
 +===== Connections =====
 +^ Socket ​ ^ Cable       ^ Target ​                                         ^ Socket ​    ^
 +| PL34In ​ | 34blue ​     | [[sem/​video-system|Video System]] ​              | SKT34      |
 +| PL34Out | orange-red ​ | ?                                               ​| ​           |
 +| PL343   | 343         | [[sem/​aux-psu-interface-pcb|Aux PSU Interface]] | P343       |
 +| PL342   | orange ​     | [[sem/​video-processor|Video Processor ?]]       | ATE2?      |
 +| PL341   | 341         | [[sem/​scan-generator|Scan Generator]] ​          | A3         |
 +
 +===== Function =====
 +Contains an EPROM whose output can override the signal on PL34, probably to draw a marker onto the screen.