HP 8566B Adjustment Manual page 350

23. Track and Hold Adjustments
T R A C K A N D H O L D
( B e n e a t h C o v e r )
Figure 3-103. Location of Track and Hold Adjustments
10. Key in [m) TRACE A (jj) b.
11. Adjust A3A9R44 OFFS POS until MARKER A level indication as
indicated by CRT annotation flickers back and forth between .OO
and .lO dB.
12. Key in ISHIFT_) TRACE A (VIEW) d.
13. Adjust A3A9R36 OFS NEG until MARKER A level indication as
indicated by CRT annotation flickers back and forth between .OO
and .lO dB.
14. Key in (SHIFT) TRACE A (jj) e.
15. Remove short from between A3A9TPl and A3A9TP3 or remove
the SMB short from A3A9Jl. Reconnect cable 7 (violet) to
16. Connect the DVM to A4AlTP3. Connect DVM's ground to the IF
section's casting.
(
17. Press
REFERENCE LEVEL
AMPTD CAL adjust for a DVM indication of +2.000 fO.OO1 V dc
at A4AlTP3.
18. Disconnect DVM from instrument.
19. Key in Cm), TRACE A
MARKER a], SWEEP ICONT).
20. Adjust A3A9R57 T/II GAIN for GAIN for MARKER A level
indication as indicated by CRT annotation of 100 fO.l dB.
21. KeyinmTRACEA(jNIAX)b.
22. Adjust A3A9R39 GPOS for MARKER A level indication as
indicated by CRT annotation of 100 fO.l dB.
23. Key in m TRACE A IVIEW) d.
24. Adjust A3A9R52 GNEG for MARKER A level indication as
indicated by CRT annotation of 100 f0.1 dB.
]
and adjust DATA knob and front-panel
MARKER Cj),