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CSA 8,3C Service Manual
2
Local
Regulator
Power
SemiĆregulated Power
+51V
Regulator
Voltage
Fault
Detect
+;5V
Regulator
+5V
Regulator
,51V
Regulator
,;5V
Regulator
,5V
Regulator
J66
J64
J61
J65
Over.Under Voltage
Power Control
+5V Digital
Regulated
Power
Regulated Power
Sense J95 ( J96
Reference and Operation Amplifier Power
+;1V REF
Figure 9Ć3:ăA4 Regulator Board Block Diagram
To.From
Acquisition Systems
Through Strobe
Distribution
Microprocessor
SelfĆTests
Diagnostics
Feedback
Strobe Sense
From
Strobe Distribution
8 Prescaler
Prescaler
Trigger Input
Direct
Trigger Input
To.From
MMU
Trigger
Recognizer
Time Base
Reference
Oscillator
Strobe Drive to
Strobe Distribution
TDR Drive to
Strobe Distribution
MMU
Interface
RAM.ROM
Acquisition
System
Interface
Trigger
Figure 9Ć4:ăA5 Time Base'Controller Board Block Diagram
CONVERGENCE
Convergence
Red
Amplifier
Green
Amplifier
Blue
Amplifier
RED Adjustment
GREEN Adjustment
BLUE Adjustment
From A;5
MMU
To CRT
Red
Green
Blue
Figure 9Ć5:ăA7 CRT Socket Board Block Diagram