Agilent Technologies 4339B Service Manual

A3
Ammeter
Board
Assembly
Removal
Removal
Procedure
1.
Remove the
cover
while
referring
to
\Cover
Removal".
2.
Disconnect the
cable assembly
connected
to
the
transformer
assembly
,
from
the
A3
board.
3.
Disconnect
the
four
optical
ber
cables
from
the
A3
board.
4.
Disconnect
the
four
optical
ber
cables
from
the
A1
Main
Board
Assembly
Caution
T
o
avoid
damaging
on the
optical ber
cable caused
by
bending
or
other
mechanical
stress
,
remove
all the
ber cables
from the
4339B when
replacing
either
the
A1
board
or the
A3 board.
5. Disconnect
the
cable
assembly
,
which
includes
a
core
,
from
the
front
of
the
A3
board.
6.
Remove
the
screw
which
fasten
the
cable
assembly
on
the
front
of
the
A3
board.
7.
Remove
four
screws
that
secure
the
A3
board
to
the
chassis
.
8. Remove
the A3
board from
the
chassis
.
A5
A
C
Inlet
Board
Assembly
Removal
Removal
Procedure
1.
Remove
the
cover
while
referring
to
\Cover
Removal".
2.
Disconnect
the
4
pin
connector
cable assembly
from
the
A5
board.
3.
Remove
the
screw
which
xes
the
green and
yellow
wire
connected
to
the
neutral
terminal
of
the
power
cable
connector
to
the
bottom of
the
chassis
.
4.
Remove
the
four
screws
that
secure
the A5
board to
the
chassis
.
5.
Remove the
A5 board
from
the
chassis
.
K
eyboard
Assembly
Removal
Removal
Procedure
1.
Remove
the
cover
while
referring
to \Cover
Removal".
2. Disconnect the two atcable assemblies
and the wire assembly from the front side of the
A2 board.
3. Remove the screw which fastens the cable assembly on the front side of the A3 Ammeter
Board Assembly.
4. Remove the screws which fastens the cable assembly on the left front side of the chassis
.
5. Remove the side
trim label from both sides of the front bezel.
6. Remove the four screws that secure the front panel bezel to the chassis from both sides.
7. Place the front panel assembly, so that the front panel faces down.
8. Remove the wire assembly from the keyboard.
9. Remove the screw that secures the keyboard to the front panel bezel.
10. Remove the keyboard assembly from the front panel bezel.
Assembly Replacement 3-13

Agilent Technologies 4339B Specifications

General

Brand	Agilent Technologies
Model	4339B
Category	Measuring Instruments
Language	English