HP 5385A - Page 159

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Figure 8-51

538SA A 1

MOTHERBOARD

ASSEMBLY

(Sheet 2

(See

Page

8-53)

Main Page

Table of Contents4
Figure Title10
Models HP 5384A and HP12
General Information13
Introduction13
Manual Summary13
1-5. Specifications13
1-7. Safety Considerations13
Description13
Options14
Instrument Identification14
1-35. Accessories14
Recommended Test Equipment14
Models HP 5384A and HP 5385A Specifications15
Recommended Test Equipment17
Installation18
Introduction18
Unpacking and Inspection18
Preparation for Use18
Power Requirements18
Line Voltage Selection18
AC Line Fuse Selection18
DC Fuse Selection18
Power Cable18
Power Cable HP19
HP-IB Talk/Listen Address Switch19
Hewlett-Packard Interfa20
HP-Il Cable Descriptions21
HP- IL Interconnections Toption 003)21
2-29. Channel B Input Fuse21
2-31. Operating Environment21
Storage and Shipment21
2-36. Environment21
Packaging22
Field Installation of Options23
- Option 001 {TCXO) Installation23
- HP-IL Installation23
Option 004 Oven Oscillator Installation24
- Option 005 Battery Pack Installation24
Operation and Programming28
Introduction28
Operating Characteristics28
Operating Instructions28
Operator's Maintenance28
General Operation Information28
Display28
Power-Up Initialize States29
Keyboard29
Inputs29
Power-Up/Self-Check29
Error Messages29
Front Panel a30
- B Channel and A&B31
- Gate and Display Digits31
- Reset/Local and Check32
- Inputs33
- Rear Panel Features33
- External DC Operation34
Front Panel Features30
On/Stby30
- OPERATION and PROGRAMMING (Continued)30
- A Channel30
Units Display Format34
Rear Panel Features37
- Remote Programming38
- Introduction38
- Interface Description38
- Hewlett-Packard Interface Bus (HP-IB)38
- Hewlett-Packard Interface Loop (HP-IL)38
- Interface Functional Overview39
- Interface Systems Terms39
- Address Selection39
HP 5384A and HP 5385A Address Switches Shown39
- Interface Commands40
Address Selection40
Interface Capabilities41
- IN Initialize42
- WAO and WA1 Wait to Send Mode Off/On42
Instrument Command Set42
- DR (String) Remote Display43
- DL Display Local43
- ID and Sl Send Device ID43
- LCD Character Set43
  - Program Examples43
Meta Messages44
Meta Messages and Controller Commands44
HP 5384A and HP 5385A Status Byte45
LCD Character Set52
Set-Up53
Performance Testing53
- Introduction53
- Equipment Required53
- Test Record53
- Error Messages53
- Performance Test53
Performance Test59
Fast Charge Curren60
Fast Cha Rge Threshold Adju60
Adjustments60
- Introduction60
- Equipment Required60
- Adjustment Locations60
- Safety Considerations60
- HP 5384A/HP 5385A Channel a Input Amplifier60
Assembly Adjustment61
- Adjustment Procedure62
ADJUSTMENTS (Continued)62
- Procedure62
Input Amplifier Adjustment Waveform62
HP 5384A Channel B63
HP 5385A Channel B63
- Standard Oscillator Adjustment Procedures64
  - TCXO Adjustment Procedure64
Approximate Offset Determination Table65
TCXO and 5-8. Standard Oscillator Coarse65
- Oven Oscillator Adjustment Procedure66
  - Procedure66
Replaceable Parts68
- 6-1. Introduction68
- 6-3. Abbreviations68
- Replaceable Parts Lists68
- 6-9. Ordering Information68
- Direct Mail Order System68
Abbreviations and Reference Designations69
HP 5384A Replaceable Parts70
HP 5384A with Oven Oscillator Replaceable Parts80
Front Panel Display Assembly Replaceable Parts85
Battery Pack Replaceable Parts86
HP-Il Replaceable Parts87
HP-IB Replaceable Parts88
HP 5385A Replaceable Parts90
HP 5385A with Oven Oscillator Replaceable Parts95
HP 5385A Replaceable Mechanical Parts101
HP 5384A Exploded View102
Manual Changes105
- Introduction105
Manual Backdating105
Service107
- Introduction107
- Schematic Diagram Symbols and Reference Designators107
- Reference Designations107
- Identification Markings on Printed Circuit Boards107
- Safety Considerations108
- Safety Symbols108
- Recommended Test Equipment108
- Service Aids108
- Pozidriv Screwdrivers108
- Nut Drivers108
  - Service Aids on Printed Circuit Boards109
- After Service Safety Checks109
- 8-35. Assembly Identification109
- Logic Symbols111
- Introduction111
- Symbol Composition111
- Qualifying Symbols113
General Qualifying Symbols113
Symbols Inside the Outline114
- Dependency Notation116
Summary of Dependency Notation116
Or'ed Affecting118
- Bistable Elements123
- Coders124
- Sequence of Input Labels126
- Sequence of Output Labels126
- Theory of Operation127
- Overall Counter Operation127
  - Signal Descriptions129
SERVICE (Continued)129
Detailed Theory of Operation129
HP 5384A Channel B130
HP 5385A Channel B131
Interpolator Technique132
Hp-Il134
Power Supply136
Battery Pack Charger137
Troubleshooting138
Introduction138
Hp-Il139
Built-1 N Diagnostics139
Accessing the Built-In Diagnostics139
Power-Up Self-Check139
CPU Check139
1/0 Address139
Interpolator, Long and Short Calibration140
Microprocessor Port Check140
Manual Troubleshooting140
Power Supply Troubleshooting141
Oscillator Troubleshooting141
Power Supplies and Associated Assemblies141
- 8-293. Input Amplifier Troubleshooting142
Battery Pack Troubleshooting147
Battery Charger Board Troubleshooting147
Battery Load Current Test147
Battery State-Of-Charge148
Hp 5385A160

HP 5385A - Page 159

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