Introduction; Manual Changes Supp Lement; Format; A1 Digital Source - HP 3562A Service Manual

OD E L 3562A
This revision of this manual appl ies directly to all instruments. Earl ier versions of this instru­
5-1

INTRODUCTION

ment, however, d iffer in design and appearance from those cu rrently being prod uced.
The i nformation in this section documents the earl ier instrument configurations and
assoc iated servicing procedu res.
As Hewlett-Packard continues to improve the performance of the H P 3562A, corrections
5-2 MANUAL CHANGES SUPPLE MENT
and modifi cations to the manual may be req uired. Required changes are documented
by a yellow Manual Changes supplement and/or revised pages. To keep the manual
up-to-date, periodically request the most recent supp lement, available from the nearest
Hewlett-Packard office (see sales and support offices l isti ng at the back of this manual).
Design and component changes within the instrument are noted by the
5-3

FORMAT

this symbol appears, refer to the appropriate assembly head ing in this section for the manual
changes.
Cu rrent revision: B
5-4 A 1 DIGITAL SOURCE
Previous revisions:
Revision A has U1 04 instal led in a socket (part number 1 200-0474). Revision A d iffers
from Revision B in tab le A1 -6. Change the signatu res for U1 1 2 as fol lows:
Component
U1 1 2
Cu rrent revision: C
5-5

A2 CPU

Previous revisions:
Revision B d iffers from revision C as fol lows:
1 . There is no J021 on revision B.
2. Reference designator (1 01 is (1 000 on revision B.
SECT I O N V
MAN UAL BACKDAT I N G
Pin S ignature
1 2 O PHC
OPHC
1 6
MAN UAL BACKDAT I N G
symbol. When
"il"
5 1
-