96000 Series
Service Manual
5-14
Synthesizer PCA
The Synthesizer PCA is located beneath the 27 GHz Control PCA. Four panhead
screws secure this assembly to the Product. See Figure 5-7.
To remove the Synthesizer PCA:
1. Remove the top cover from the Product.
2. Remove the internal shield from the Product.
3. Remove the RF Output PCA from the Product.
4. Remove the 27 GHz Control PCA (96270A).
5. Disconnect the four SMB connectors by pulling firmly upwards by the body of
the connector. Each connector is color coded. Note the location of each cable
for re-assembly.
6. Disconnect the 10-pin Molex connector at the rear of the PCA.
7. Disconnect the seven MCX connectors at the front of the PCA by gently
pulling and setting to one side. There is a diagram on the top screen of the
Output PCA for cable re-connection. 96270A - Disconnect SMA connector
from front edge of PCA using 8 mm spanner. Note that these connectors are
torque tightened (1 Nm). Do not attempt to tighten before releasing this
connector.
8. Disconnect the 60–pin IDE cable using the ejectors.
9. Remove the four panhead screws from the Synthesizer PCA. Pull the PCA
forward and lift it from the chassis.
hpn378.eps
Figure 5-7. Removing the Synthesizer PCA
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