Fluke PM6690 Service Manual page 199

Processor Circuits
Description . . . . . . . . . . . . . . 4-8,4-16
Protective Ground
Checking the Connection . . . . . . 6-59
R
Rear Inputs/Outputs
Performance Check . . . . . . . . . . . 2-6
Reference Oscillators
Performance Check . . . . . . . . . . . 2-5
Reinstalling the Cover . . . . . . . . . . . 3-3
Removing the Cover . . . . . . . . . . . . 3-2
Required Test Equipment
Checkup/Adjustment/Repair . . . . . 2-2
Resolution
Performance Check . . . . . . . . . . . 2-5
RF Input
Performance Check . . . . . . . . . . . 2-7
Replacing . . . . . . . . . . . . . . . . . . . 3-3
RF Options
Performance Check . . . . . . . . 2-7,2-8
S
Safety Components . . . . . . . . . . . . 6-59
Safety Inspection . . . . . . . . . . 6-59,6-60
Sensitivity
Performance Check . . . . . . . . . . . 2-4
Signals. . . . . . . . . . . . . . . . . . . . . . . 9-2
Special Parts . . . . . . . . . . . . . . . . . . 8-2
Standard Parts . . . . . . . . . . . . . . . . . 8-2
Surface Mounted Devices . . . . . . . 10-2
T
Test After Repair . . . . . . . . . . 6-59,6-60
Test Routines
Built-in . . . . . . . . . . . . . . . . 4-10,4-18
Tests
Internal Self-Tests. . . . . . . . . . . . . 2-2
Keyboard . . . . . . . . . . . . . . . . . . . 2-2
Short Form Specification. . . . . 2-4,2-5
Timebase
Calibration . . . . . . . . . . . . . . . . . . 7-3
Timebase Reference
Standard Oscillator . . . . . . . . . . . 6-12
Timebase Reference Circuits
Troubleshooting . . . . . . . . . . . . . 6-40
Trigger Indicators
Performance Check . . . . . . . . . . . 2-4
Troubleshooting
100 MHz Multiplier . . . . . . . 6-13,6-41
External Reference Circuits 6-13,6-41
Input Amplifiers. . . . . . . . . . . 6-8,6-36
Measuring Logic . . . . . . . . . . . . . 6-55
Microprocessor & Memories . . . . 6-43
Microprocessor Bus & Interfaces 6-49
Oven Oscillator . . . . . . . . . . 6-12,6-40
Power Supply . . . . . . . . . . . . . . . 6-32
Prescaler . . . . . . . . . . . . . . . . . . 6-43
Timebase Reference Circuits. . . . . . .
6-12,6-40
TTL
Logic Levels . . . . . . . . . . . . . 6-4,6-32
U
Utility Program . . . . . . . . . . . . . . . . . 5-3
V
Voltage
Performance Check . . . . . . . . . . . 2-4
W
Warning Statements. . . . . . . . . . . . . 1-2
Watchdog
SEE Internal Reset Circuit
Index 11-3