Atec Tektronix-1502 - Manual (Page 5)

TM 9-4935-601-14-3&P
LIST OF ILLUSTRATIONS
Figure
No.
Page
Figure
No.
Page
1502 Time Domain Reflectometer vi 5-8 Front Panel, Identification of Parts for
2-1 1502 TDR with Cover 2-1 Assembly Steps 8 through 26 5-9
2-2 Battery Connector Polarity 2-2 5-9 Detail of Plug-in Compartment Seal 5-10
2-3 1502 Front Panel Controls 2-3 5-10 Detail of BNC Connector and Washer 5-10
2-4 Incident and Reflected Pulses 2-4 5-11 Detail of Pushbuttons and Their Shafts 5-10
2-5 CRT Display of Pulse 2-6 5-12 Detail of Subpanel Screwhole Sealing 5-11
2-6 TDR Display of R, versus Z 2-7 5-13 Detail of Fuseholder Installation 5-11
2-7 Impedance Nomogram 2-7 5-14 Detail of Fuseholder Caps 5-12
2-8 Open Cable 2-8 5-15 Application of Sealant to Battery Meter 5-12
2-9 Shorted Cable 2-8 5-16 Alignment of Battery Meter 5-12
2-10 Crimped Cable 2-9 5-17 Application of Sealant to FOCUS and
2-11 Frayed Cable 2-9 INTENSITY Controls 5-12
2-12 X-Y Output Module Strap 2-9 5-18 Application of Sealant to FINE Control
3-1 Simplified Block Diagram 3-1 Bushing 5-13
3-2 Sampling Diagram 3-2 5-19 Application of Sealant to FINE Control
3-3 Program Logic Cycle 3-3 Nut 5-13
3-4 Tunnel Diode Voltage-Current Curve 3-5 5-20 Installation of Distance Meter 5-13
3-5 Functional Block Diagram of Slow Ramp 5-21 Application of Sealant to ZERO
Generator 3-7 REFERENCE Control Bushing 5-14
3-6 Block Diagram of 1502 Power Supply 3-10 5-22 Application of Sealant to ZERO
3-7 Chart Recorder Logic 3-12 REFERENCE Control Nut 5-14
3-8 X-Y Output Module Strap 3-13 5-23 Application of Sealant to RECORD
4-1 Pulse Display 4-2 Toggle-switch Bushing 5-14
4-2 Jitter Check 4-4 5-24 Application of Sealant to RECORD
4-3 Aberration Check 4-4 Toggle-switch Nut 5-15
4-4 Fall Time 4-5 5-25 Installation of Rubber Cap-seal on
4-5 Power Supply Test Points and RECORD Toggle-switch 5-15
Adjustments 4-8 5-26 Application of Sealant to the GAIN or the
4-6 Main Board Test Points 4-9 0 dB DET Control Bushing 5-15
4-7 Pulse Generator Output 4-10 5-27 Detail Showing Lubrication and Sealing
4-8 Time Marks Aligned (Standard) 4-8 for the Variable Resistor 5-15
4-9 Time Marks Aligned (Metric) 4-13 5-28 Lubrication of the O-rings and Sealing for
4-10 Pulse Display 4-15 the Cam-switches 5-16
4-11 Loop Gain Adjustment 4-16 5-29 Installation of the POWER SWITCH 5-16
4-12 Reflected-fall Time Check 4-16 5-30 Lubrication of POSITION Control Knobs 5-17
4-13 Vertical Amp/Slow Ramp Board 4-17 5-31 Installation of Knob on Shaft 5-17
4-14 X-Y Output Module Connection Link 4-17 5-32 Lubrication of ZERO REFERENCE Knob 5-17
5-1 DC Fuse Location 5-3 5-33 Installation of Knob on ZERO
5-2 Transistor and Integrated Circuit Lead REFERENCE Control 5-17
Configuration 5-4 5-34 Lubrication of FOCUS and INTENSITY
5-3 Rear View of the HV Board 5-5 Control Knobs 5-18
5-4 230 Vac Transformer Wiring 5-6 5-35 Sealing of Battery Pack Screwholes 5-18
5-5 Subpanel, Identification of Parts 5-7 5-36 Application of Dielectric Type Compound 5-18
5-6 Rubber Seals, Edge Sealing for Subpanel 5-8 5-37 Detail of Front Panel Jacks 5-19
5-7 Detail of Implosion Shield Sealing 5-8 5-38 Detail of X-Y Module Thumbscrews 5-19
5-39 Sealing of Latch Assembly Screwholes 5-20
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