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User Manuals: HP 5501B Laser Head
Manuals and User Guides for HP 5501B Laser Head. We have
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HP 5501B Laser Head manual available for free PDF download: Operating And Service Manual
HP 5501B Operating And Service Manual (120 pages)
LASER HEAD
Brand:
HP
| Category:
Lighting Equipment
| Size: 34.18 MB
Table of Contents
Table of Contents
7
Figure 1-1 HP5501B Laser Head
13
1 General Information
14
Introduction
14
Equipment Description
14
Manual Organization
15
Instruments Covered by this Manual
15
Safety Considerations
16
Equipment Supplied
16
Available Accessories
16
Specifications
17
Table 1-1. HP5501B Laser Head Specifications and Performance Characteristics
17
Recommended Test Equipment
18
Warranty
18
Table 1-2. Recommended Test Equipment
18
2 Installation
19
Introduction
19
Unpacking, Inspection, and Reshipment
19
Unpacking and Inspection
19
Warranty Claims
19
Laser Tube Shipment
19
Tagging for Service
20
Packaging for Reshipment
20
Installation
20
System Cabling
20
Power and Signal Connections
23
Cable Fabrication
23
Figure 2-3. Typical Transducer System Interconnections
23
Figure 2-4. Interconnecting Plug Details
23
Figure 2-5. HP 5501B Laser Head Interconnect Wire Fabrication
24
Table 2-1. Laser Head System Signal Chart
24
Grounding Considerations
25
Power Supply Requirements
25
Power Dissipation
25
Fusing
25
Table 2-2. HP 5501B Power Supply Requirements
25
Dimensions
26
Figure 2-6. Mounting Details and Physical Characteristics
26
Mounting and Fixturing
27
3 Operation
28
Introduction
28
Power Application
28
HP5501B Laser Head Front Panel Controls
28
Figure 3-1. HP5501B Front Panel Controls
28
Hp5501B Laser Head Rear Panel Indicators and Connectors
29
Figure 3-2. HP5501B Rear Panel Connectors and Indicators
29
Figure 3-2. HP5501B Rear Panel Connectors and Indicators (Continued)
30
Operating Modes
31
Table 3-1. Proper 55018 Rear Panel LED Power-Up Sequence
31
Warmup Time Operating Notes
32
HP 10740A Coupler Based Systems - Manual Monitoring
32
Systems with HP10745A or HP10746A Cards - Automatic Monitoring
32
HP10740A Coupler - Error Signal Information
32
HP10746A Error Signal Processing
33
HP 10745A Background Information
33
Program Modifications
33
Table 3-1. Program Modifications for Table 4-12 in the HP5501A System Manual
34
Table 3-2. Program Modifications for Table 4-13 in the HP5501A System Manual
35
Table 3-3. Modified HP10745A HP-IB Interface Program
36
Table 3-4 Modified HP10746A Binary Interface Program
37
4 Performance Tests
39
Introduction
39
Recommended Test Equipment
39
Test Record
39
Hp5501B Performance Test
39
Input Voltage Check
39
Laser Power Output Test
39
Table 4-1. Input Voltage
39
Procedure
40
Figure 4-1. HP5501B Power Connection
40
5 Adjustments
41
Introduction
41
Safety Considerations
41
Recommended Test Equipment
41
Factory Selected Components
41
Adjustment Procedures
42
Reference Temperature Adjustments
42
Preliminary Procedure
42
Figure 5-1. A1 Connector Board, TEST-NORM Switch and Adjustment Locations
42
Figure 5-2. A3 Controller/Ref Board, Jumpers, Test Points, and Adjustment Locations
43
Laser Tube Current Adjustment
44
Figure 5-3. 55018 High Voltage Areas and Anode Lead
45
6 Replaceable Parts
47
Introduction
47
Exchange Assemblies
47
Abbreviations and Reference Designations
47
Ordering Information
47
Table 6-1. Exchange Assemblies
47
Direct Mail Order System
48
Table 6-2. Reference Designations and Abbreviations
49
Table 6-3. HP5501B Board Assemblies Replaceable Parts
50
Table 6-3. HP5501B Board Assemblies Replaceable Parts (Continued)
51
Table 6-3. HP5501B Board Assemblies Replaceable Parts (Continued)
52
Table 6-3. HP5501B Board Assemblies Replaceable Parts (Continued)
53
Table 6-3. HP5501B Board Assemblies Replaceable Parts (Continued)
54
Table 6-3. HP5501B Miscellaneous Chassis Parts (Continued)
56
Exploded View
57
Figure 6-1. HP5501B Laser Head Exploded View
57
Table 6-4. Manufacturer's Code List
58
7 Manual Changes
59
Introduction
59
Newer Instruments
59
8 Service
61
Introduction
61
Theory of Operation
61
Recommended Test Equipment
61
Service Aids
61
Schematic Diagram Symbols and Reference Designations
61
Figure 8-1. Schematic Diagram Notes
62
Safety Considerations
63
Safety Symbols
64
Before and after Service Product Safety Checks
65
Laser Head Block Diagram Description
65
Figure 8-2.HP5501B Laser Head Block Diagram
66
Laser Tuning
67
Warmup Mode Tuning
67
Figure 8-3. Flow Diagram for State Machine
67
Figure 8-4. Feedback Loop During Warmup Mode
68
Optical Mode Tuning
69
Figure 8-5. Warmup Mode Timing Diagram
69
Figure 8-6. Feedback Loop During Optical Mode
69
Figure 8-7. A6 Sampler Assembly, Exploded View
70
Figure 8-8. Liquid Crystal Timing Diagram (Optical Mode)
71
Laser Assembly Optics
72
Reference Receiver
72
Shutter Mechanism
72
Assembly/Schematic Locations of Hp5501B Block Diagram Elements
72
Rear Panel Led Indicators
72
Table 8-1. A3U9 Test IC Signal Summary
73
Assembly Removal Instructions
74
Figure 8-9. Logic Clip Monitoring of Test IC U9
74
Figure 8-10. HP5501B Front Panel and Side Cover Removal
76
Figure 8-11. Factory-Adjusted Sampler Mount (MP1)
78
Trouble Isolation
79
Quick Tuning Checkout Procedure
79
Figure 8-12. Laser Tube Tuning Characteristics
79
Figure 8-13. Quick Tuning Check Test Setup
80
Testing the Liquid Crystal Switch
81
Figure 8-14. Quick Tuning Check Waveform Display
81
Figure 8-15. Liquid Crystal Removal
81
Figure 8-16. Liquid Crystal Test Setup
82
HP5501B Trouble Isolation Procedures
83
Figure 8-17. HP5501B TEST-NORM Switch A1S2
83
Procedure
84
A1 Connector Board Circuit Theory
86
High Voltage Power Supply Switch (A1Q3 and A1Q4)
86
Power Distribution
86
Table 8-2. DC Unbalanced Failures
86
A1 Connector Board Troubleshooting
87
Rear Panel LED Operational Check
87
A2 High Voltage Power Supply Circuit Theory
89
High Voltage Power Supply Troubleshooting
89
Figure 8-18. High Voltage Power Supply, Schematic Diagram
91
A3 Controller/Reference Board and A4 Sampler Board Circuit Theory
92
Introduction
92
Clock
92
Dividers
92
State Machine
93
Figure 8-19. State Machine Timing Diagram
93
Liquid Crystal
94
Photodiode and Amplifier
94
Warmup Error Amplifier and Comparator
94
Subtracting Sample and Hold
94
A1/A3 Power Amplifier
95
Reference Receiver
96
Line Driver
96
Power-On Reset (POR)
96
Laser Head Power
96
A4 Sampler Board
96
A3 Controller/Reference Board Troubleshooting
97
Standard Troubleshooting Procedures
97
Digital Troubleshooting
98
Table 8-3. IC A3U4 and A3U6 Divider Check
99
Photodiode and Amplifier Troubleshooting
101
Table 8-4. Signature Table
101
Liquid Crystal Troubleshooting
102
Subtracting Sample and Hold Troubleshooting
102
Power Amplifier Troubleshooting
104
Figure 8-20. Test Point 11 Waveform (HEATER SENSE)
104
Figure 8-21. E-REF [U20 (Pin 9)]
105
Warm-Up Error Amplifier Troubleshooting
106
Power Supply Troubleshooting
106
Table 8-5. Voltage Testpoints and Limits
106
Reference Receiver Troubleshooting
107
Figure 8-22. Reference Signal Waveforms
107
Table 8-6. A3U17 Reference Receiver Test Voltages
108
Figure 8-23. A1 Connector Board Component Locator
110
Figure 8-23. A1 Connector Board Component Schematic Diagram
111
Figure 8-23. A1 ↔ A3 Connector Pin Table
112
Figure 8-24. A3 Controller/Reference Board (05501-60027) and A4 Sampler Board (05501-60029) Schematic Diagram (Sheet 1 of 2)
115
Figure 8-24. A3 Controller/Reference Board (05501-60027) and A4 Sampler Board (05501-60029) Schematic Diagram (Sheet 2 of 2)
116
Figure 8-24 A3 Controller/Reference Board and A4 Sampler Board Photos & Data
117
9 Service Notes
119
Service Note 5501-02A July 2001
119
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