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Keysight N5247B Service Guide 4-39
Troubleshooting
Measurement System Troubleshooting
Figure 4-11
Example of Instrument Power Up Log Data with A15 DDS Assembly Failure
Data
Checking the A15 13.5 GHz LO Synthesizer Output
1
1.
Refer to the block diagram at the end of this chapter and to
All Cables—All Options, S/N Prefixes <6021” on page 6-21
. Locate the
flexible cable W51 at the A15 LO synthesizer board.
2.
Disconnect W51 from J1207.
3.
Connect the spectrum analyzer to J1207.
1. A15 13.5 GHz LO Synthesizer board only applies to instruments with serial number
prefixes
<
6021.
Содержание N5247B
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Страница 227: ...Keysight N5247B Service Guide 5 57 Theory of Operation Receiver Group Operation Figure 5 18 4 Port Receiver Group ...
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