Mhz Reference Signal - HP 8753D Option 011 Service Manual

4 MHz Reference Signal

This reference signal is used to control the receiver. If faulty, this signal can cause apparent
source problems because the CPU uses receiver data to control the source. t 12TP9 it
should appear similar to Figure 7-12.
Figure REFS7 here.
Figure 7-12. 4 MHz Reference Signal at A12TP9 (Preset)
7-18 Source Troubleshooting RAFT
3/21/106 15:13
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