HP 7470A Service Manual page 10

Section 1 1 1
1 7470A
SECTION Ill
REPLACEABLE PARTS
&1. INTRODUCTION
Table
3.3
= Option
003
PCA
Table
3-4
= Mechanical parts
3-2. Thie section contains information for ordering
parts
for the HP Model 7470A Plotter. Included are
3 ORDERING INFORMATION
lista of electrical and mechanical parte and an illue-
tration of mechanical parts.
3-8. To obtain replacement parts or aesembliee ad-
dress a n order or inquiry to the nearest Hewlett-Packard
3-3. EXCHANGE ASSEMBLIES
Sales and Support Office. Include the HP Part Number,
the check digit (listed under the heading "CD" in the
3-4.
Part numbers for aesembliee that are available
parte list). the description. and the quantity required.
on an exchange basis are listed in the parts lists below
the new assembly number. These factory repaired and
3.9.
CODE LIST OF MANUFACTURERS
tested assemblies are available only on a tradein basis:
therefore. the defective assembly must be returned for
3-10.
Table
3.5
lists the fivedigit code numbers as-
credit. For this reason. aseemblieta required for spare
simed to the manufacturers of pans in the Model
7470A
parts stock must be ordered by the new part number.
Plotter. These code. numbers appear with the parts in
Tablee
3-1
through
3-4
as a n aid for ordering replace
3-5. REPLACEABLE PARTS LISTS
ment parts directly from the manufacturer.
3-6.
Electrical parts for the
7470A
are lieted in Tables
3-11. DESIGNATIONS AND ABBREVIATIONS
3. 1 through
3-3.
Table
3.4
is a list of mechanical parts
which are illustrated in Figure
3-1.
3- 12. Table 34 lista designations and abbreviations ueed
throughout this manual. Abbreviations in the parts
Table
3-1
= Option
001
PCA
lists are always capital letters. In other parts of the
manual both upper and lower case abbreviations are
Table
3.2
= Option
002
PCA
used.