HP 8560E - Figure 2-23 Signal ID Oscillator Adjustment Jumper Location; Procedure

116 Chapter2
Adjustment Procedures
16. Signal ID Oscillator Adjustment (serial prefix 3517A and below)
Procedure
1. Press LINE to turn the spectrum analyzer off, disconnect the power
cord, and remove the spectrum analyzer cover. Fold down the A15
RF and A14 frequency control assemblies. Prop up the A14
frequency control assembly.
2. Connect the HP 8560E/EC CAL OUTPUT to the INPUT 50Ω using
an adapter. Disconnect the W29 cable from A15J601 (10.7 MHz IF
out) and connect the SMB end of the test cable to A15J601. Connect
the rest of the equipment as shown in Figure 2-22 on page 115.
3. Remove the four screws holding the brace on the A15 RF assembly
(near J2).
4. Connect a jumper between the leads of A15R914 and A15C904 (the
ends near U908). See Figure 2-23 on page 116 for the location of the
components.
5. Reconnect the power cord and press
LINE to turn the spectrum
analyzer on. After the power-on sequence is complete, set the HP
8560E/EC controls as follows:
Center frequency ....................................... 300 MHz
Span ............................................................ 0 Hz
6. Press
CAL, IF ADJ ON OFF (OFF), and SGL SWP.
Figure 2-23 Signal ID Oscillator Adjustment Jumper Location