Starthere - Agilent Technologies HP 8719D Service Manual

Start Here
Check the Green LED and Red LED on Al6
two power supply diagnostic LEDs on the Al5 preregulator casting by looking
through the holes located to the left of the line voltage selector switch. (See
During normal operation, the bottom (green) LED is on and the top (red) LED is
off. If these LEDs are normal, then Al5 is 95% verified. Continue to "Check the
Green LEDs on A8. n
If the green LED is not on steadily, refer to "If the Green LED of the Al5 is
q
Off or Blinking" in this procedure.
If the red LED is on or flashiq, refer to "If the Red LED of the Al5 is On" in
q
this procedure.
G R E E N L E D
R E D L E D L I N E V O L T A G E
N O R M A L L Y O F F NORMALLY ON S E L E C T O R S W I T C H
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Figure 5-2. Location of Al6 Diagnostic LEDs