Service manual

Backdating 99
A
Backdating
Manual backdating describes changes that must be made to this manual for power supplies whose serial numbers
predate the latest revision of this manual.
Look in the following table and locate your Agilent model. Then look at each serial number listed for this group. If
the serial number of your power supply is prior to any of the serial number(s) listed, perform the change indicated
in the Change column. Note that several changes can apply to your supply.
Serial Numbers Change
Model 6690A
MY41000131 1
Model 6691A
MY41000119 1
Model 6692A
MY41000133 1
Change 1
In Table 5-1 Main Chassis
DELETE
ADD
CHANGE
CABLE, PN 5185-1343.
LED BOARD, P/N 5060-3483.
CABLE, P/N 5080-2281
CABLE, P/N 5080-2283
CABLE, P/N 5080-2286
BIAS BOARD, from P/N 5065-6937, to
5065-0643.
In Table 5-2 Front Panel,
CHANGE
LABEL from PN 5185-1342, to P/N 5182-
9191.