Chapter 7 359
ADC/Interface Section
Troubleshooting Using the TAM
Table 7-3 TAM Tests versus A3 Test Connectors
Connector Manual Probe Troubleshooting
Test
Measured Signal
Lines
A3J105 Video Input to Interface MS1
Video to Rear Panel MS1, MS2
Video MUX MS1, MS3
LOG Offset/LOG Expand MS1, MS3
Video Filter Buffer Amp. MS3, MS5, OS1
Video Peak Detectors MS5, MS6
ADC MUX MS6
Variable Gain Amplifier MS6, MS7
Track and Hold MS7, MS8
A3J400 Revision MS2
Trigger MS8
ADC Start/Stop Control MS7
Video Trigger DAC MS1
Real Time DAC #1 MS3
RF Gain DACs MS6
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