Maintenance
—
Type
3B5
assembled.
Better
access
is
provided
by
partially
disas
sembling
the
unit
as
follows-.
1.
Unsolder
one
end
of
R332
and
R651
(see
Fig. 4-4
for
location).
2.
Remove
the
VARIABLE control
knob.
3.
Loosen
the
four clamps
which
hold
the
center
bulkhead
to
the
support
rods
(see Fig.
4-4).
4.
Remove
the
four
screws
which
hold
the
rear
plate
to
the
support
rods.
5. Hold
the front
panel
with
one
hand
and
slide
the
entire
assembly
to
the rear
as
far
as
the cabling
allows.
6.
Reverse
the
order
of
removal
to
reassemble
the
unit.
Guide
the
CAL
adjustment
extension
into
the
front-panel
bushing
while
pushing
the
unit
together.
Recalibration
After
Repair
After
any
electrical
component
has
been
replaced, the
calibration
of
that
particular
circuit
should
be
checked,
as
well
as
the
calibration
of
other
closely
related
circuits.
The
Performance Check
procedure
in
Section
5
provides a
quick
and
convenient
means
of
checking
instrument
operation.
NOTES
®L
4-9
Summary of Contents for 3B5
Page 4: ...Fig 1 1 Type 3B5 Automatic Programmable Time Base unit Type 3B5...
Page 15: ...Operating Instructions Type 3B5 TYPE 3B5 CONTROL SET UP CHART Fig 2 2 Control set up chart 2 7...
Page 48: ...CO I o Fig 3 13 Delay and Timing Circuit logic block diagram Circuit Description Type 3B5...
Page 61: ...GO i GO GO Fig 3 22 Seek Ciicuit Logic block diagram Circuit Description Type 3B5...
Page 70: ...u k KJ Fig 3 29 Circuit conditions for Manual Mode operation Circuit Description Type 3B5...
Page 71: ...w K w Fig 3 30 Circuit conditions for Seek Mode operation Circuit Description Type 3B5...
Page 72: ...w I u U Fig 3 31 Circuit condition for External Mode operation Circuit Description Type 3B5...
Page 88: ...Maintenance Type 3B5 Fig 4 9 Location of components on Logic Card 4 14...
Page 89: ...u Oi Fig 4 10 Location of components on Counter Card Maintenance Type 3B5...
Page 92: ...NOTES I...
Page 104: ...NOTES...
Page 106: ...Calibration Type 3B5 Fig 6 1 Recommended calibration equipment...
Page 160: ......
Page 176: ...J400 RtADOUT BOARD 3B5 PLUG IN A READOUT...
Page 182: ...397 R E A D O U T B O A R D 10 6b READOUT BOARD...
Page 184: ...FIG 1 FRONT SWITCHES TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Page 185: ...FIG 2 CHASSIS REAR 3 GS to TYPE 3B5 AUTOMATIC PROGRAMMABLE TIME BASE...
Page 186: ...OPTIONAL ACCESSORIES...
