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