Specifications

Chapter 4 Retrofitting Options
To Retrofit the 53210A (Channel 1) or 53220A/53230A (Channels 1/2)
Rear Panel Inputs (Option 201)
Assembly-Level Service Guide 203
5 If installed, disconnect and move the Option 300 Internal Battery
DC Power Assembly out of the way as follows (refer to the figures
in "To Remove the Internal Battery DC Power Assembly" in
Chapter 3, as needed):
– Remove the two T20 TORX screws and lockwashers
holding the Option 300 assembly to the left-hand side panel
(as viewed from the rear of the instrument).
– Lift up carefully on the left side of the assembly and
separate the assembly from the three large tabs holding it
on the right side.
– Lay the assembly on its back to the right side of the chassis
and place the three small tabs (on the back side of the
three large tabs) into the three slots on the assembly deck.
Disconnect the two cables going to the assembly.
6 If installed, move the Option 106/115 channel 2 assembly (53210A)
or channel 3 assembly (53220A/53230A) out of the way as follows
(refer to the figures in "Removing the Option 106/115 Assembly" in
Chapter 3, as needed):
– Remove the T20 TORX screw and lockwasher at the rear
end of the Option 106/115 aluminum deck.
– Remove the two flathead screws that secure the assembly
to the side panel.
– Using a 5/16" open end wrench, loosen the SMA connector
on the end of the semi-rigid cable that is connected to the
PC board.
– Slide the Option 106/115 assembly to the rear of the chassis,
as necessary, to expose the two gold-connectors at the
front of the motherboard near the front panel (J101 and
J201).