Adjustment Procedures - HP 83447A User's And Service Manual

Lightwave trigger receiver
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W A R N I N G

Adjustment Procedures

Power supply adjustment procedure
Only trained service personnel should perform measurements inside the
instrument chassis. Use extreme care. The exposed terminals on the
power supply transformer carry ac line voltage. You can be killed or
seriously injured if you contact them when power is applied.
6
N O T E
The +5 V power supply circuit has current-limiting and overvoltage control. If the +5 V power supply
is adjusted above +5.8 V (approximate), the +5 V power supply will shut down.
6

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