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Table 8-2. Automatic Fault Isolation References
Suspected Circuit Indicated
by Automatic
I?ault
Isolation
Check ADC ASM
Check ADC MUX
Check ADC Start/Stop Control
Check Analog Bus Drivers
Check Analog Bus Timing
Check Interface Strobe Select
Check Keyboard Interface
Check Negative Peak Detector
Check Peak Detector Reset
Check Positive Peak Detector
Check Real Time DAC
Check Ramp Counter
Check RF Gain DACs
Check Rosenfell Detector
Check RPG Interface
Check Track and Hold
Check Trigger
Check Variable Gain Amplifier (VGA)
Check Video Filter
Check Video Filter Buffer Amplifier
Check Video MUX
Manual
Procedure to Perform
ADC ASM
ADC MUX
ADC Start/Stop Control
Automatic Fault Isolation
(‘in
ihis
chap2er)
Analog Bus Drivers
Automatic Fault Isolation (in this chapter)
Analog Bus Timing
Interface Strobe Select
Keyboard/RPG Problems
Positive/Negative Peak Detectors
(steps 3 through 10)
Peak Detector Reset
Positive/Negative Peak Detectors
(steps 3 through 10)
Preselector Peaking Control (Real Time DAC)
Ramp Counter
Band Flatness Control (RF Gain DACs)
Rosenfell Detector
Keyboard/RPG Problems
Track and Hold
Triggering Problems
Variable Gain Amplifier (VGA)
Video Filter
Video Filter Buffer Amplifier
Video MUX
ADC/lnterface
Section 8-5