1502C MTDR Service Manual
Index–1
Index
A
AC (see Power)
Accessories, 4–2
Optional, 4–2
Standard, 4–2
accessories, standard, 4–2
Altitude Spec, 3–3
B
Battery (see Power)
Battery Spec, 3–2
BNC Connector, 4–2
C
Cable
Open, 1–14
Short, 1–13
Test Procedure, 1–13
Distance to Fault, 1–13
Horizontal Set Reference, 1–22
Reflection Coefficient, 1–15
Return Loss, 1–16
Store Waveform, 1–18
Vertical Set Reference, 1–23
View Difference, 1–19
View Input, 1–18
View Store, 1–17
Calibration
Adjustment Procedure, 6–24
Case/Shield Removal, 6–25
Equipment Required, 6–24
LCD, 6–35
Metric Instruments, 6–24
Power Supply, 6–25
Charging Current, 6-33
DC Power, 6-31
Main Board 12 V, 6-29
PowerĆUp, 6-25
Range Check, 6-28
Voltage Checks, 6-26
Timebase Compensation, 6–24
Visual Inspection, 6–25
Zero Offset, 6–38
General, 6–1
Performance Check, 6–1
Battery, 6–23
Chart Recorder, 6–23
Display Module, 6–2
EL Backlight, 6-3
LCD, 6-2
Equipment Required, 6–1
Front Panel, 6–4
Menu Access, 6-4
Presets, 6-4
Pushbutton Switches, 6-5
Rotating Controls, 6-5
Thermistor, 6-7
Getting Ready, 6–1
Horizontal Scale, 6–7
Impedance, 6–34
Jitter, 6–21
Metric Default, 6–23
Metric Instruments, 6–1
Noise, 6–13
Offset, 6–12
Offset/Gain, 6–16
RAM/ROM, 6–17
Risetime, 6–19
Sampling Efficiency, 6–15
Timebase, 6–7
Vertical Position, 6–12
Zero Offset, 6–10
Characteristics
Electrical, 3–1
Environmental, 3–3
Physical, 3–4
Checks (see Performance Checks)
Circuit Description
Display Module
Block Diagram, 5–29
Column Driver, 5–34
Block Diagram, 5-32
Timing Diagram, 5-35
Column Driver Interface, 5–37
Column Drivers, 5–31
Controller, 5–36
CPU and Display Memory Timing Diagram, 5–39
CPU Interface, 5–38
EL Backlight, 5–40
General, 5–28
ITO Heater, 5–40
LCD Cell, 5–29
Memory, 5–36
Memory Interface, 5–38
Row Driver, 5–32
Block Diagram, 5-31
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