User guide
    13 
Section VI 
Block Diagram 
and 
TEP A3A4 
Color Video Processor 
& Fast Sweep Capture 
85662A System Bus 
A3XA4P1 edge connector
Fast Sweep 
X, Y, FS, LRTRC 
TEP A1A21 
Plotter And 
LCD Backlight Inverter 
TEP A1A22 
Dual Page SRAM 
TEP A1A23 
Sharp® 
6.4” TFT Color LCD 
+23V, 
PWDN signal
Backlight 
Drive 
Color Scheme 
Select (focus pot)
& 
Intensity 










