HP 4262A User Manual

Model 4262A
5-18. INITIAL OPERATING PROCEDURE.
5-19. Preparatory to adjusting the 4262A, do
the following to locate and to gain access to the
adjustment
controls.
This
procedure
facilitates
a
comprehensive
adjustment
of
instrument.
[FUNDAMENTAL OPERATING CHECKS]
Confirm that instrument power line module is
set for local power line voltage. Check front
panel displays using “PRELIMINARY OPER-
ATIONS” on Page 4-2. Offset control should
be individually set for ‘‘zero’ display for DUT
Boxes or Test Fixtures as they are connected
to 4262A UNKNOWN terminals. After
attaching or interchanging test equipment, ad-
just front panel ZERO ADJ controls in accord
with the procedure in “PRELIMINARY
OPERATIONS”,
[TOP COVER REMOVAL]
WARNING
WHEN TOP COVER IS REMOVED
LIVE PARTS ARE EXPOSED.
Remove top cover as follows:
a. Loosen the retaining screw at rear of top
cover until screw is free.
b. Pull top cover towards the rear and lift
off.
WARNING
TO INSURE PERSONAL SAFETY
FROM POSSIBLE ELECTRICAL
SHOCK HAZARDS AND RE-
SULTANT INJURY, USE INSU-
LATED ADJUSTMENT TOOL.
Section V
Paragraphs 5-18 and 5-19
Table 5-4. Adjustment R equirements.
Assembly Repaired
or Replaced
Required Adjustments
Al (04262-66501)
A2 (04262-66502)
A3 (04262-66503) None
A4 (04262-66504)
A5 (04262-66505)
A9 (04261-77009) | Para. 5-18
A11(04262-66511) None
A12(04262-66512) | Fara 5-20 and 5-22
thru 5-24
A13(04262-66513)
Para. 5-21 thru 5-23
A14(04262-66514) Para. 5-22 and 5-23
A21(04262-66521)
A22(04262-66522)
None
A23(04262-66623)
Para. 5-19 (only if
A23U1 is replaced)
A24(04262-66524)
A25(04262-66525)
A35(04262-66535)
None
5-5

HP 4262A Specifications

General

Brand	HP
Model	4262A
Category	Measuring Instruments
Language	English