HP 8642A Operating Manual page 436

Model 8642A/B
Service
CHANGES
11
1
l
.'
,
.'.
,,
.P
,
.
,
l.l.P.I ■M.l.P.pill.l.l l. I l l l. M l . I I
All Serial ptf££ft£«s
;
#
f
On the schematic:
i\ - On the right side of the schematic, change Jl pin 7 to pin
9~(S.A. FLAG).
SS11
8C3-108.1