Sony Tektronix AWG2021 Service Manual page 164

Removal and Installation Procedures
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b. Disconnect the three ribbon interconnect cables at J100, J120, and J320
on the A4 Power board. For the AWG2021 with Option 02 installed,
disconnect the ribbon interconnect cable at J140 on the A4 Power board.
c. Using a screwdriver with a size T-15 TorxR tip, remove the four screws
attaching the A4 Power board to the chassis.
d. Lift the A4 Power board up and away from the chassis to complete the
removal.
4. Remove A3 Analog board:
a. Disconnect the four interconnect cables at J100, J150, J160, and J230 of
the A3 Analog board. See Figure 6–13.
b. Disconnect the three ribbon interconnect cables at J300, J400, J410, and
J500 of the A3 Analog board.
c. Using a screwdriver with a size T-15 TorxR tip, remove the four screws
securing the A3 Analog board to the chassis.
d. Lift the A3 Analog board up and away from the chassis to complete the
removal.
5. Remove A23 Analog board (Option 02): If the AWG2021 includes Option 02
which adds a second output channel, then it contains an A23 Analog board.
a. Disconnect the three interconnect cables at J100, J228, and J230 on the
A23 Analog board. See Figure 6–13.
b. Disconnect the two ribbon interconnect cables at J410 and J500 on the
A23 Analog board.
c. Using a screwdriver with a size T-15 TorxR tip, remove the four screws
attaching the A23 Analog board to the chassis.
d. Lift the A23 Analog board up and away from the chassis to complete the
removal.
AWG2021 Service Manual