HP 8673 manual Contents

HP 8673C/D contents

Sections I through III and Section IV Part I

GENERAL INFORMATION

INSTALLATION

OPERATION

OPERATION VERlFlCATlON These sections are bound separately with a ate table of contents.

Section IV, Part 2

PERFORMANCE TESTS

Introduction ..... / . , , ......................

Section V

ADJUSTMENTS

Introduction .....................................

Safety Consideration& ...........................

Equipment Required .............................

Identical Circuit Board Assemblies ...............

Automated Adjustment Procedures ...............

Factory Selected Components ....................

Related Adjustments ............................

Power Supply Adjustments .....................

10 MHz Reference OadXlator Adjustment ........

Reference Loop (VCXO) Adjustment ............

M/N Loop Adjustments ........................

20/30 MHz (LFS) Loop Divider Bias

Adjustment ..................................

160-240 MHz (20130 MHz or LFS Loop)

vco Pretune .................................

LFS Loop Notch Filter Adjustment ..............

YTO Pretune Digital-to-Analog Converter

Adjustment ..................................

YTO Driver Adjustment ........................

YTO Loop Sampler Adjustments ................

YTO Loop Offset and FM Overmodulation

Adjustments .................................

YTO Loop Phase Detector Adjustments .........

FM Driver Adjustments ........................

FM Accuracy and Overmodulation

Adjustments .................................

SRD Bias Adjustment ..........................

YTM Tune Adjustment .........................

Clamp Adjustment .............................

YIG Tuned Filter Adjustment ...................

4.2GHz Oscillator Adjustment. .................

cw LO Clamp Adjustment .....................

Flatness and ALC Adjustments .................

AM Bandwidth Adjustment .....................

AM Accuracy and Meter Adjustment. ............

Pulse Modulation Adjustment ...................

Pulse Amplitude Control Adjustment ............

Sweep Out and Blanking/Marker

Adjustments .................................

Section VI

REPLACEABLEPARTS

Introduction ....................................

Restored Assemblies .............................

CONTENTS

						Page
	Abbreviations		...................................			.6~1
	Replaceable		Parts List	...........................		.6.1
	FactorySelectedPartEi(*)				tt	6-l
	Parts	List	Backdating	(f)		.6-l
	Part6	List	Updating	...........................		.6-l
separ-	Ordering	Information		...........................		.6-l
	Parts Identification					.6-2
	Recommended Spares			List	, ,	.6-2

Page						Section		VII
					MANUAL		CHANGES
.4-l
	Introduction										.7-l
	Instrument			Improvement			Modifications				.7-l
.5-l	Improved Key Code Debouncing (Instrumenta
	with serial number prefix 2332A)										.7-l
,5-l	Firmware			Update		Kit					.7-l
.5-l						Section		VIII
.5-l
.5-l	Introduction					SERVICE					.81
,5-Z				.....................................
.5-2	Failure	Modes			and	Service	Strategy			. ...	.8-I
.5-10	General							8			-1
.5-12	Turn-on			Errors							.8-l
.5-13	OperatorErrors..					............................					..8 .l
.5-16	Instrument				Perforxsance		out of
	Specification										.8-l
.5-18	Catastrophic				Failures						.8-l
	Service	Sheets			...................................						.8-l
.5-20	Manual	Backdating				(f)					.8-2
,522	Manual	Updating
	(Manual			Changes		Supplement)			........ . .......		.8-2
.5-24	Safety	Considerations									S-2
.5-26	Before		Applying			Power	........................				.8-2
.5-27	Warnings			and Cautions			.......................				.8-2
	After Swvice Safety Checks										-8-3
,530	Recommended				Test Equipment			..................			.8-3
.5-33	Service Tools, Aids and Information										.8-3
.5-36	Service		Accessotiea				+.				,823
	Service		Functions			......			.8-3
,537	Signature			Analysis							.8-3
.6-39	Pozidriv			Screwdrivera							.8.3
.5-42	Tuning		Tools								.8-3
.5-44	Heat	Staking			Tools						.8-3
	Hardware										.8-I2
.5-47				....................................
.5-52	Assembly			Locations							.a-12
.5-53	Parts	and Cable				Locations					8-12
,636	Test Points				and Adjustment			Looatiooes			.8-13
,540	Service		Aids		on Printed		Circuit		Boards		.8-13
5-63	Other	Service Documents					.....................				.8-13
	Repair	and		F&placement							.8-13
.8-65
.5-71	After	Repair			Adjustment		Procedure				.8-13
	Disassembly and Reassembly Procedures ..... *S-13
.5-71	Top and			Bottom		Cover Removal					.8-13
	Front	Panel			Key	Cap Replacement					.8-13
	Front	Panel			Switch Replacement						.8-13
	Etched Circuits (Printed Circuit Boards)										,814
.,6-l	Electrostatic				Discharge		@SD)		Precautions ....		.8-15
.6-l	Module		Exchange			Program		...................			.8.15