Anritsu MT8820A - Main Unit Removal; Removing A01 MAIN CPU (1); Removing A02 DAC;ADC (7); Removing A41, A42 WCDMA COM

5.3
5.35.3
5.3 Main Unit Removal
Main Unit RemovalMain Unit Removal
Main Unit Removal
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5.3 Main Unit Removal
5.3.1 Removing A01 MAIN CPU (1)
Step Procedure
1 Remove the shield cover. (See (2) in Section 5.2.)
2 Remove cable W31 from LCD (45).
3 Raise the ejector for the A01 MAIN CPU (1) and pull out the unit.
(Figure 5-1)
5.3.2 Removing A41, A42 WCDMA COM (4, 10)
Step Procedure
1 Remove the shield cover. (See (2) in Section 5.2.)
2 Raise the ejector for the A41/A42 WCDMA COM (4, 10) and pull
out the unit. (Figure 5-1)
5.3.3 Removing A51, A52 WCDMA BB (5, 9)
Step Procedure
1 Remove the shield cover. (See (2) in Section 5.2.)
2
Raise the ejector for the A51/A52 WCDMA BB (5, 9) and pull out
the unit. (Figure 5-1)
5.3.4 Removing A61, A62 MEAS DSP (6, 8)
Step Procedure
1 Remove the shield cover. (See (2) in Section 5.2.)
2
Raise the ejector for the A61/A62 MEAS DSP (6, 8) and pull out
the unit. (Figure 5-1)
5.3.5 Removing A02 DAC/ADC (7)
Step Procedure
1 Remove the shield cover. (See (2) in Section 5.2.)
2 Remove cable W9 (W18 for A72) connecting A71/A72 RF (14, 15).
3
Raise the ejector for the A02 DAC/ADC (7) and pull out the unit.
(Figure 5-1)