HP 54121A Manuals

Manuals and User Guides for HP 54121A. We have 1 HP 54121A manual available for free PDF download: Service Manual

HP 54121A Service Manual (384 pages)

Four Channel Test Set

Brand: HP | Category: Test Equipment | Size: 11 MB

Manufacturer's Declaration
2
Safety Considerations
4
Safety Symbols
4
Printing History
5
List of Effective Pages
6
General Information
7
Introduction
7
Description
7
General Characteristics
7
List of Tables
12
General Information
15
Instruments Covered by this Manual
16
Specifications
17
Operating Characteristics
19
Table 1-1. Recommended Equipment List
26
Storage and Shipment
32
Recommended Equipment
35
Test Record
35
Special Procedures
35
Bandwidth Test
37
Equipment Connections
42
Equipment Setup
51
Table 3-1. Performance Test Record
63
Recommended Test Equipment
69
Range Adjustment
71
Frequency Adjustments
75
Equipment & Connections
75
Safety Considerations
113
Tools Required
113
Rear Panel
115
Vertical Assembly
119
Front Panel
130
Diagnostic Overview
144
Safety Considerations
226
Environmental Conditions
229
Power Requirements
229
Table of Contents
233
List of Illustrations
233
Table 5-1. List of Manufacturers'codes Table 5-2. Reference Designators and Abbreviations Table 5-3. Replaceable Parts List
234
General Information
237
Weight
238
Dimensions
239
Safety Considerations
239
Instruments Covered by this Manual
239
Options
239
Accessories Supplied
240
Accessories Available
240
Recommended Test Equipment
240
Installation
243
Preparation for Use
243
Operating Environment
243
Performance Tests
247
Introduction
251
Adjustment Interval
251
Adjustment Sequence
251
Power Supply Adjustments
252
Analog Supply
252
Digital Supply
253
Timebase Delta Current Adjustment
254
Volt Reference Adjustment
257
CRT Color Module Introduction
258
Degaussing the Display
258
Safety Considerations
258
CRT Color Module Adjustments
259
Figure 4-2. PIN AMP Adjustment
261
Figure 4-3. PIN PHASE Adjustment
261
Figure 4-4. Purity Magnet Centering
263
Figure 4-7. Static Convergence
265
Static Convergence
265
Figure 4-9. YBOW CROSS Adjustment
266
Figure 4-10. V.STAT TOP Adjustment
266
Dynamic Convergence
266
Figure 4-12. HAMP Adjustment
267
Figure 4-13. H.TILT Adjustment
267
White Balance
268
Replaceable Parts List
271
Exchange Assemblies
272
Ordering Information
272
Figure 5-6. Right Side View
277
Disassembly
283
Safety Considerations
283
Figure 6A-1, Major Assembly Locations
284
Card Cage PC Assemblies 6A-3
285
Figure 6A-2. Primary Power Supply Mounting Screws
286
Primary Supply. 6A-4
286
Analog Supply . 6A-5
287
Digital Supply . 6A-6
288
Figure 6A-3. CRT Bezel Removal Pressure Locations
289
CRT Bezel
289
Front Panel
290
Control Keyboard
291
Display Control
291
Color CRT Module
292
Fan
295
Color Display Assembly 6A-14
296
Motherboard
298
System Theory. 6B-1
303
Acquisition Cycle
306
Average Mode
308
ADC Assembly. 6B-6
308
Horizontal Control Assembly
311
Microprocessor Assembly
317
Color Display Assembly
320
Power Supply Assemblies
323
Primary Supply
323
Digital Supply. 6B-21
323
Analog Supply
323
Service Menus
327
Introduction
327
Cal Menu
327
Test Menu
327
CRT Setup
327
Color Cal Menu 6C-1
327
HP-Ibmenu
327
One-Key Powerup
327
Two-Key Powerup
328
Channel Vertical Cal 6C-2
328
Channel Skew Cals 6C-2
328
Test Menu . 6C-2
328
Repeat Loop
329
Run from Loop
329
Extended Tests 6C~3
329
Start/Stoptest
329
Display Errors
329
Display Configuration
330
CRT Setup Menu
330
Confidence Test 6C-4
330
Light Output
331
Color Purity
331
Troubleshooting
335
Safety Considerations
335
Recommended Test Equipment 6D-1
335
Diagnostic Overview. 6D-2
336
One Key-Down Powerup
336
Two Key-Down Powerup
336
I/O Assembly Hard Reset
340
Core Subsystem Troubleshooting 6D-9
343
Power Supply Troubleshooting 6D-9
343
Color Monitor Troubleshooting . 6D~16
350
Firmware Troubleshooting
353
Additional Troubleshooting
354
General Information
357
Safety and Handling Precautions .A1-1
357
Incoming Inspection.a1-1
357
Equipment Required but Not Supplied
358
Accessory Kit Devices
361
Introduction
361
CM Beadless Airline
363
Maintenance
363
Specifications
363
CM Beadless Airline.a2-3
363
Coaxial Attenuators .A2-4
364
Coaxial Short . A2-5
365
Test Port Return Cables
365
Insertion Loss
366
Semi-Rigid L Connector .A2-7
367
Power Splitter
367
Making Accurate Measurements
371
Operating Conditions and Procedures . A3-1
371
Heat Source
372
Device Specifications .A3-2
372
SMA Inspect
373
Mismatch
373
Making Good Connections
375
Introduction
375
Handling Precision 3.5 MM Connectors .A4-1
375
Visual Inspection and Cleaning . A4-2
376
Mechanical Inspection
378
Connecting the Devices .A4-8
382

HP Categories

Desktop

Laptop Server

Monitor

Switch

More HP Manuals

HP 54121A Manuals

HP 54121A Service Manual (384 pages)

Table of Contents

Related Products

HP Categories