Sony Tektronix AWG2021 Service Manual page 179

AWG2021 Service Manual
6. Remove A21 Control board:
a. Disconnect the interconnect cable at J121 on the A21 Control board (see
Figure 6–22).
b. Disconnect the interconnect cables at J120 and J280 on the A21 Control
board.
c. Disconnect the interconnect cable at J100 on the A3 Analog board.
d. For the instrument with Option 03, disconnect the flat cable at J4 on the
A21 Control board.
e. Grasp the A21 Control board and pull upward to remove them.
7. Remove A10 Synthesizer board:
a. Disconnect the interconnect cables at J280 on the A21 Control board
(see Figure 6–22).
b. Disconnect the interconnect cable at J201 and J750 on the A10 Synthe-
sizer board.
c. Disconnect the interconnect cables at J200 on the A10 Synthesizer
board.
d. For instruments with Option 02, disconnect the interconnect cables at
J210 and J211 on the A10 Synthesizer board.
e. Grasp the upper part of the A10 Synthesizer board, and pull upward to
remove it.
8. Remove A31 Control board (Option 02): The option adds the A31 Control
board in the fourth slot from the top.
a. Disconnect the interconnect cables at J120, J121, and J280 on the
A21 Control board (see Figure 6–22).
b. Disconnect the interconnect cable at J121 on the A31 Control board.
c. Disconnect the interconnect cables at J120 and J280 on the A31 Control
board.
d. Disconnect the interconnect cable at J100 on the A23 Analog board.
e. Grasp the A31 Control board, and pull upward to remove the boards.
9. Remove A9 Digital Data Out board (Option 03): The option adds the A9
Digital Data Out board in the fourth slot from the top.
a. Disconnect the interconnect cables at J120, J121, and J280 on the
A21 Control board (see Figure 6–22).
Removal and Installation Procedures
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