Service Manual

Fluke 9100A - Service Manual

124 pages

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Table of Contents

Contents3
List of Tables9
List of Figures11
9100A System View14
9105A System View14
How to Use this Manual15
This Manual17
The Manual Set19
Conventions20
General Information21
Description23
Power Requirements23
External Connections23
Side Features24
The 9100 Side View24
The 9105A View, Showing Its Different Disk Drive Arrangement24
Rear Panel Features View25
9100A System Components26
9105A System Components26
Options26
Accessories27
Required Test Equipment27
Shipping Information27
Interface Pods27
Required Tools and Test Equipment Table28
Equipment Required for General Servicing28
Required Equipment for Component Level Repair28
Required Equipment for Monochrome Monitor Maintenance29
Specifications30
Electrical Specifications30
Transition Counting31
Clock Module Specifications31
RS-232 Interfaces Specifications32
I/O Module Specifications32
Input Thresholds33
Input Impedance33
Stop Counter Specifications33
Clock Specifications33
Data Timing for Synchronous Measurements34
Data Timing for Asynchronous Measurements34
Data Compare Equal (DCE)34
General Specifications35
Theory of Operation37
Overview41
Main PCA41
RS-232 Ports41
Micro Floppy Disk System41
Hard Disk System42
Power Supply42
Operator's Display and Keypad42
Probe/Pulser, Clock Module, Monitor42
Main PCA (MC68000 Microprocessor)43
Signal and Pin Description43
Programmer's Keyboard43
I/O Module43
9100A Block Diagram44
9105A Block Diagram45
68000 Pin Assignments Chart46
Signal Descriptions47
Signal Organization49
Data Strobe Control49
Address/Data Bus Operation50
Bus Operation During Data Transfer50
Address Ranges51
The Read Cycle51
The Write Cycle51
The Read-Modify-Write Cycle51
Bus Arbitration52
Bus Error and Halt52
Privilege Modes53
Exception Processing53
Interrupts54
Interrupt Vector Table55
Parity Error Interrupt55
Microprocessor Status Latches U61 & U6256
Floppy Data Interrupt56
DTIO #1 Interrupt56
DTIO #2 Interrupt57
MFI Card Interrupt 257
Expansion Card Interrupt 257
Floppy Controller Interrupt, Probe Interrupt57
I/O Overcurrent Interrupt58
Pod Interrupt and Pod Power Fail Interrut58
I/O Module General Interrupt58
No Interrupt58
Asynchronuous Execution59
Reset Signal Description and Generation59
Address Decoding and DTACK60
RAM Configuration60
RAM Configuration (U83)61
RAM Timing61
RAM Refresh61
RAM Parity62
Rom62
ROM Select Logic Table62
POD Interface63
Pod Control Port Bit Assignment63
Pod Interface Pinout65
DUART-Timer-I/O66
DTIO #1 (Channels A, B) Register Addressing and Description68
DTIO #2 (Channels C, D) Register Addressing and Description69
Microfloppy Disk System69
Disk Drive69
Floppy Drive Controller69
Floppy Controller Addressing70
Floppy Drive Control Latch Outputs70
Power Supply Pinout71
Operator's Display71
Vacuum-Fluorescent Display (VFD)71
Vacuum Fluorescent Display73
Displayable Characters74
Ribbon Cable Connections75
Display Characters75
Control Characters77
Annunciators78
Operator's Keypad78
Probe I/O Module Interface79
Probe I/O Interface Block Diagram80
Probe I/O Module Interface Addressing82
Probe I/O Module Interface Address Map82
Probe Interface82
Probe Data Input83
Threshold Voltage Calculation83
Voltage Threshold Levels84
Probe Operation Voltages85
Fuse Blown Detection85
Probe Light Drive and Control85
External 16-Bit Counter85
Clock Module Interface86
Custom Delay Chip86
Functions of U1886
Custom Logic Chip87
Stop Counter89
I/O Module Interface Connector89
I/O Module - VDVR Voltage Regulator90
VDRV Voltage Regulator Simplified Schematic90
I/O Module Overcurrent Detection91
Miscellaneous Functional Blocks91
Sync Pulse Isolation91
Footswitch Connector92
Data Bus Buffers92
Status Register92
Status Register Bit Breakdown92
Control Register93
I/O Connector Interface93
Power Supplies94
I/O Module Connector PCA Contents94
Probe/Pulser95
Probe Tip Input95
Probe/Pulser Functional Block Diagram96
Probe Speed Specifications96
Common Ground Clip97
Pulser97
Probe Response Timing Specifications97
Typical Probe Pulser Amplitude97
Pulser Pulse Width98
Level Indicators98
Logic Level Modes, Level Indicator Operation98
Push Button Switch98
Clock Module99
Multi-Function Interface99
Clock Module Operation99
Clock Module Speed99
Addresses, Clock100
Scsi100
Video100
Video Controller100
Video RAM101
Video Display Address Mapping101
Video Character Data Format102
Monitor, Programmer's Keyboard103
I/O Module Overview104
I/O Module Functional Block Diagram105
Bus Interface Functional Block106
Addressing106
I/O Module Address Decoding Summary107
Address Decoding Example108
Hot-Bit Decoding Examples109
Custom Chip Selection109
Bus Interface Timing Diagram110
Custom Chip Functional Block111
Clock and Enable Mux Functional Block111
Clock and Enable Mux Operation111
Custom Chip Pin Description112
U18 Truth Table113
General Control Latch Functional Block113
Data Comparison Inputs114
Fuse Detection114
Data Comparison and General Interrupts114
Operation of General Control Latch Block115
Threshold Voltage Generation115
I/O Module Command Register115
VHI and VLO for TTL and CMOS Logic Levels116
Custom Chip Voltage Level Detection116
Multi-Detection and Interrupt117
Fuse Blown Detection Info117
Connector Code Functional Block117
Dip-Clip and Calibration Module Configuration Codes118
Connector Code Examples119
Input Protection/Fet Output Block119
Input Protection Section Operation119
FET Output Section Operation119
Chip Channel Input/Pattern Drive Output Simplified Schematic120
Logic Levels of NDRV and PDRV Table120
I/O Module Top PCA Functional Block121
Dip Clip and Calibration Module Functional Block121
Overview of the Clip and Calibration Modules121
Clup and Calibration Module Operation122
Half Width Clip Module122
Full-Width Clip Module122
Calibration Module122
Static Awareness123

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