28
Installation Note N5247-90116
Description of the Upgrade
Installation Procedure for the Upgrade
-
—
➁
—(N5245-60021) Verify A64 tuner to A23 test set motherboard J7
2.
Install the following semirigid cables in the order listed. Unless otherwise
indicated, use a 5/16-in torque wrench set to 10 in-lbs to tighten all cable
connectors.
All model analyzers, unless otherwise indicated:
—
W166 (N5247-20124) Port 2 CPLR THRU to A57 port 2 noise bypass
switch
—
425+029 Only!
W1
90
(N5247-20173) A74 Port 2 bias tee combiner
to A57 port 2 noise bypass switch
—
W165 (N5247-20119) A42 port 1 bias tee to A56 port 1 noise bypass
switch
—
425+029 Only!
W18
9
(N5247-20172) A71 port 1 bias tee to A56 port
1 noise bypass switch
—
423+029 Only!
W167 (N5247-20123) A57 port 2 noise bypass
switch to A45 port 2 bias tee
—
W169 (N5247-20122) A59 noise downconverter to A57 port 2 noise
bypass switch
—
W168 (N5247-20121) A59 noise downconverter to A57 port 2
noise bypass switch
—
423+029 Only!
W162 (N5247-20120) A42 port 1 bias tee to A56 port
1 noise bypass switch
—
W164 (N5247-20118) A64 tuner to A56 port 1 noise bypass switch
—
W163 (N5247-20117) RF cable, A26 splitter to A27 mixer brick
—
W174 (N5247-20143) A59 noise downconverter to A28 mixer brick
3.
Position the analyzer as shown in
(fans facing upwards) and loosely install the following cables.
Route each of the cables through the opening in the test set deck to the
top side of the analyzer. The other ends will be connected in the next step.
—
W173 (N5247-20145) A59 noise downconverter to A9 noise board
—
W171 (N5247-20144) A59 noise downconverter to A9 noise board
—
N5245-60018 Flexible cable, A59 noise receiver to the A23 test set
motherboard J550
—
W175 (N5245-60019) Flexible cable, A59 noise downconverter
assembly J2 to A9 noise board J5
If necessary loosen the noise microcircuit to install cables. Re-torque
connectors to 10 in-lbs. after the cables have been installed.
Содержание N5247-60116
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