General Information; Introduction; Section 1. Gen Eral Information; Manual Organization - Agilent Technologies 4284A Service Manual

1 -1 . I NTRODUCTION
This manual contains technical information concerning the adjustment and servicing of the
HP 4284A PRECISION LCR M ETER.
1 -2. MAN UAL ORGAN IZATION
This manual contains four sections. A summary of each section follows.

SECTION 1. GEN ERAL INFORMATION

Section 1 describes this service manual and lists the recommended test equip­
ment for performance testing, adjusting, and servicing the H P 4284A.
SECTION 2. ADJUSTMENTS
Section 2 provides tile necessary adjustments required to ensure that the
HP 4284A is withi n its published specifications after it has been repaired.
SECTION 3. ASSEMBLY SERVICE INFORMATIONS
Section provides assembly service informatio n (mechanical parts list, disassem­
3
bly procedures, theory of operation , and faulty board isolation procedures).
When repairing the HP 4284A: refer to this section first, isolate the faulty board,
and then repair the H P 4284A at the component level using the faulty board 's
service sheet in S ECTION 4.
SECTION 4 . SERVICE SH EETS
Section 4 provides a service sheet for each board to use for compo nent level
repair of the faulty board.
troubleshooting aids, replaceable parts list, component locations, and schematic
diagram.
Some boards have been set up under the exchange assembly program. So, their
service sheets only contain the exchange board's part number, and the test point
information.
The performance test procedure is given in Section 1 0 of the HP 4284A Operation
Manual (PIN 04284-90000).
SECTION 1

GENERAL INFORMATION

Each service sheet contains a circuit description,
N OTE
1 -1