HP 8753E

Simplified Block Diagram
Figure 5-l shows the power supply group in simplified block diagram form.
Refer to the detailed block diagram of the power supply (Figure 5-8) located at
the end of this chapter to see voltage lines and specific connector pin numbers.
A17 MOTHEREOARG
PREREGULATOR
OFF DURING
\ ALL ON DURING
NORMAL OPERATION
NORMAL OPERAllON
\ON DURING
NORMAL OPERATION
sg6105e
Figure 5-1. Power Supply Group Simplified Block Diagram
Power Supply Troubleshooting 5-3