Al6 SCAN GENERATOR

 

 

 

ASA RAMP CONVERTE

 

 

HSWP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J4

J1

 

 

I

 

 

 

 

.

DAC

 

 

 

 

 

 

 

 

 

 

 

>

o-1ov

//-

c

 

 

 

 

 

 

 

 

 

 

 

 

RAMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIGITAL STORAGE PROCESSOR

AJA4 MEMORY

A3A5 DATA MANIPULATOR

A3A6 MAIN CONTROL

A3A7 INTERFACE

rYHEN THE OUTPUT OF THE COMPARATOR GOES HIGH. THE RAMP OAC REGISTER AND THE SWEEP ADDRESS ARE INCREMENTED AN0 THE DISPLAY DATA FOR THAT MEMORY LOCATION IS

“P-DATED. IF THE SWEEP ADDRESS EQUALS THE MARKER VALUE (USUALLY SET TO THE END OF SWEEP POSITION). 4 RESET HIGH SWEEP OUTPUT. RSHS. IS GENERATED.

415

412 FRONT-PANEL INTERFACE

:ONTROLLER

 

 

 

 

 

 

8

!

 

v+

 

 

 

 

 

 

 

 

 

 

f

 

 

0

 

 

 

 

 

 

 

 

ST-5

 

 

 

 

 

 

 

 

1FAST

 

 

 

 

 

 

SWEEP

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE

 

 

 

 

 

 

 

 

 

 

EXT

 

 

 

 

SETf

 

 

 

 

 

 

 

 

 

 

 

 

VIDEO

 

 

 

 

RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STOP PROCESSOR

 

 

 

 

Figure 4. Sweep System Block Diagram

Overall Troubleshooting 15