Agilent Technologies PSG Series Service Manual page 24

The pulse state signals listed in
any of the above signals are bad, use
table 1-9 are good, then check the signals in
panel must be removed from the chassis frame and laid face down.
Table 1-7
P221-14 VLCD
P221-53 LCD_ENABLE_H
P221-1 to 13, 15, 41, 43, 45,
47, 49 to 52
If any signals in Table1-7
Table 1-8
J9-7 VLCD
J9-4 LCD_ENABLE_H
J9-5
J9-1, 2, 3, 8 to 15
If the signals in Table1-8
A3 Power Switch.
Table 1-6 on page 1-10
Table1-7 to check them at P221 of A31 Motherboard. If the signals in
Table1-8
Signal
are bad, replace the A18 CPU.
Signal
are good, then replace A2 Display. If the signals are not good, then replace
are control lines, clock, and data for the A2 Display. If
at J9 of the A3 Power Switch. To access J9 the front
State
approx. 21 Vdc
>3 Vdc
Refer to Pulsing Activity in Figure
1-1 on page 10.
State
approx. 21 Vdc
>3 Vdc
5.2 Vdc
Refer to Pulsing Activity in Figure
1-1 on page 10.
Troubleshooting
Getting Started with Troubleshooting
1-11