AR 10036733, Operating And Service Manual

Page: 41 / 44

Model 30S1G6
2. With the W3 cable disconnected from the input of A3, check the response from the input of A3 to the
Main RF output of the amplifier. Typical A3 Quad Amp Response is shown in Figure 4-2.
Figure 4-2. Typical Gain Response from the A3 Quad Amplifier Input to the Main RF Output
3. If the gain response for the A3 Quad Amp is normal, then check the gain response for the A2 Driver
Quad Amp. Typical gain response for the A2 module is shown in Figure 4-3.
Figure 4-3. Typical A2 Driver Quad Amplifier Response
Rev A 25