Installation Note N5242-90122 31
Description of the Upgrade
Installation Procedure for the Upgrade
* Loosen 3x screws on A33 Reference Mixer Switch board, then slide
the board to the rear of the instrument to connect the following two
cables (N5242-20042 or N5222-20032 and N5242-20043 or
N5222-20033).
—
W36 (reuse) (N5242-20042 or N5222-20032) Front-panel
REF 1 RCVR R1 IN to A33 reference mixer switch
—
W35 (reuse) (N5242-20043 or N5222-20033) A33
reference mixer switch to front-panel REF 1 SOURCE OUT
—
W122 (reuse) (Opt 029A only) (N5242-20128) A34 port 1 source
attenuator to A52 port 1 bypass switch
—
W83 (reuse) (N5242-20002 or N5222-90001) A28 port 2 bridge to
A37 port 2 source attenuator
—
W25 (reuse) (N5242-20048 or N5222-20038) A28 port 2 bridge to
front-panel REF 2 SOURCE OUT
* Secure W25 (N5242-20048) to side of deck with 1x tie wrap
(1400-0249)
—
W126 (reuse) (Opt 029A only) (N5242-20066 or N5242-20272) A28
port 2 bridge to A37 port 2 source attenuator
—
W137 (reuse) (Opt 029A only) (N5242-20074 or N5242-20279) A28
port 2 bridge to front-panel REF 2 SOURCE OUT
—
W79 (N5222-20001) A27 port 4 bridge to A36 port 4 source
attenuator
—
W75 (N5222-20002) A26 port 3 bridge to A35 port 3 source
attenuator
—
W17 (N5222-20023) A26 port 3 bridge to front-panel REF 3
SOURCE OUT
—
W21 (N5222-20025) A27 port 4 bridge to front-panel REF 4
SOURCE OUT
* Use 1/4” wrench to hold source cable connectors when tightening
mating semi-rigid cables
—
W10 (reuse) (N5242-20053 or N5222-20043) W9 to A28 port 2
bridge
—
W8 (N5222-20042) W7 to A27 port 4 bridge
—
W90 (N5242-20306) A43 port 3 receiver attenuator to A24 mixer
brick (C)
—
W71 (reuse) (N5242-20005 or N5222-90002) A25 port 1 bridge to
A34 port 1 source attenuator
—
W46 (reuse) (N5242-20090 or N5222-20061) W45 to rear-panel
EXT TSET DRIVE RF OUT (J6)