DIAGNOSTICS Checkout Procedures
10DEC05
DG4825-1
Page
148 of 180
1 Measure the following voltages at the test points:
2 If any of the voltages do not match, install a new PMT/DAS BOARD.
SLOW SCAN CONTROLLER BOARD A6 and COIL BOARD A7
1 Do the Slow Scan Current and Velocity Tests.
2 If the tests exceed the recommended output, check for mechanical binds in the SLOW
SCAN AY.
Voltage
MULTIMETER
Ground Positive
5 ± 0.2 V DC, Digital TP7 TP8
5 ± 0.1 V DC, Isolated TP11 TP9
5 ± 0.2 V DC, Analog TP10 TP19
12 ± 0.5 V DC TP10 TP18
−12 ± 0.25 V DC TP10 TP17
13.5 ± 0.1 V DC TP10 TP6
−13.5 − 1.5 V DC TP10 TP5
24 ± 2.5 V DC TP1 TP2
5 ± 0.2 V DC, startup TP1 TP3
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