HP 8673 manual List

contentsHP 8673C/D

LIST OF

ILLUSTRATIONS

(cont’d)

Figure

Page

Figure

Page

8.284.

A5A2A2

D&&x

Board

Assembly

a-299.

+28V,

+ZOV, and +15V

Power

Supply

Component

and

Teat Pcdnt

Schematic.

.8-295

Location

.

.8-281

8-300.

A5A10

Power

Supply

Assembly

8.285.

Detector

Assembly

Component

and Test

Point

Schematic

Diagram

t*t*tt

* ttt*ttttt

..8-281

Location

.8-297

8-286.

ASAl

Front

Panel

Assembly

8-301.

+5V,

-1OV,

and

-40V

Power

Supply

Component

Location

.

. .8-283

Schematic

Diagram

;.

.8-297

8-287.

A5 Front

Panel

Board

Assembly

8.302.

wnit

Separation

. . . .

. .

. . . .

. . .

. . . . . . . . ...

8-298

Schematic

Diagram

. .

.8-283

8.303.

A3

Transformer

and

Filter

Capacitor

8-288.

ASA

Switch

Driver

Assembly

Rsmover

. .

. . .

. . . .

. .

. . . .

. . .

. . . . . . . . ...

8-800

Component

and

Test

Point

8.304.

Al

RF

Output

Assembly

-

Location

. .

.‘.

.8-285

YTM

Relays

and Attenuator

.8301

8-289.

Switch

Driver

Board

Assembly

e-305.

Al

RF Output

Assembly

-

Schematic

Diagram

.

.8-285

Pre Amp

and Power

Amp

.

.8-302

8.290.

A5A.3 Function

Board

Assembly

5306.

Location

of YTO

Mounting

Screws

.8-302

component

and

Teat

Point

8.307.

YTO Loop in Service Position

.8-502

Location

.8-287

8.308.

A5 Card Cage and Processor

8-291.

A5

Function

Board Assembly

Board

in

Service Position .

. .8-303

Schematic

Diageram

.

. . . .

. . . . . . . . .

...8-267

S-309.

A5 Power

Transformers

.8-303

8-292. ASA

Microprocessor Assembly

8.310.

Top View, Upper Unit Component

Component

and

Test Point

Location

x305

Location

.

.8-289

8-311.

Top View, Upper Unit DCU and

8-293.

A5

Microprocessor

Assembly

RF Covers

Removed

-

Schematic

Diagram

.8-289

component

Locatioion

*

*

. . *

. .8.305

8-294.

A5A5

DAC

and

Enable

Assembly

8.312.

Top View,

Upper

Unit,

Component

and

Test

Point

Test Point

Location,.

. , . , . ,

.8-305

Location

. .

.

.

.8-291

8-313.

Bottom

View,

Upper

Unit,

8-295.

A5

DAC

and

Enable

Assembly

Component

Location

. .

.8-SO5

Schematic

Diagram

.8-291

8-314.

Bottom View, Lower Unit Teat

Point

8-296.

Low

Band

RF Chain

and

Component

Location

.8-307

Component

Location

.

. . . . . . . . . . . . .

...6-293

8.315.

Bottom

View,

Lower

Unit

8.297.

Low

Band

RF Chain

Component

Locations

, , , , , *. , t , , , .

.8307

Schematic

Diagram

.8-293

8316.

Top View, Lower Unit -

8-298.

A5AlO

Power

Supply

Assembly

Component

Location

.

.8-307

Component

and

Test

Point

Location

.

*

*

.a-295

TABLES

Table

Page

Table

Page

6-l.

Factory

Selected Components

..............

.5-4

8.5.

Listing

of All

M and

N Numbers

and

5-2.

Performance

Test

Failure

and

Resulting

Frequencies

...................

,8-46

Required

Action

..........................

.5-5

8.6.

LFS

lK-8M

Inputs

.......................

.&52

6-3. PoshRepair Adjustments

...................

.5-6

8.7.

LFS

1K--8M

Inputs

.......................

.8-52

6-4.

YTF

Band

Adjustments

...................

,549

8.8. Ml-M6 and

Nl-N5

Inputs

.8-54

..................

6-l.

Part

Numbers

for

Exchange

Assemblies

.... .6-2

8.9. Ml-M6 and

Nl-N5

Outputs

................

.&54

6-2.

Reference

Designations

and

8.10. DAC! 1.4800 MHz Inputs

...................

,856

Abbreviations.

...........................

.6-3

8.11. DAC l-4800 MHz Outputs

.................

,856

63.

Replaceable

Parts

..........................

.65

8.12. Band

Numbers

and

Frequencies

...........

,868

6-4.

Code

List

of Manufacturers

...............

.6-106

8.13. SRD

Bias

Voltages

........................

,860

8-l.

Schematic

Diagram

Notes

..................

.8-4

8.14. HP

8673C

Power

Failure

Modes.

...........

.8-64

8-2.

Service

Functions

.........................

.8-12

8-15.

BP

8673D

Power

Failure

Modes

...........

.8-65

8-3.

Etched

Circuit

Soldering

Equipment

.8-16

8.16.

Switch

Driver

ASAB Checka

,846

8-4.

Front

Panel Status

Annunciators

...........

S-34

8.17.

Switch

Driver

Checkout

...................

.8S7