Figure 4-43 Pca Boards Location - Keysight 8990B Service Manual

Channel 1
adapter board
(08990-60067)
PPMC
(08990-66005)
Main board
(08990-66002)
Figure 4-43
13 Disconnect all the cables as shown in
Keysight 8990B Service Guide
PCA boards location
replacing the PCA boards.
Figure 4-44 before removing and
Repair Guide 4
Channel 4
adapter board
(08990-60068)
DAP board
(08990-66001)
127