CONTENTS (cont.)
SECTION4
MAINTENANCE
Access to the Interior
Preventive Maintenance Procedure
Troubleshooting
Corrective Maintenance Procedures
Obtaining Parts
Soldering
Power Pack Servicing
Replacing Circuit Boards or Assemblies
Replacing Square Pins for Multi-pin Connectors
Cam Switch Repair or Replacement
RF Module and Sub-assemblies
Physical Location of Components
SECTION5
PERFORMANCE CHECK
Introduction, History Information, and Equipment
Requirements for the Performance Check
Short Form Procedure
General Information
Preliminary
Battery Charge Level Indicator Operation
Center Frequency Range and Accuracy
Frequency Span
Resolution Bandwidth
Incidental FM
Video Filter Operation
Dynamic Range of Display Functions
RF Attenuator dB Selector Check
Video Output Level
Sensitivity
Display Flatness
Spurious Response
intermodulation Distortion
Sweep Rate Range and Sweep Output Amplitude
External Trigger Operation
External Sweep Voltage in Operation
Check Gate Operation
Check Calibrator Output Level and Frequency
SECTION6
CALIBRATION ADJUSTMENT PROCEDURE
Introduction, History Information and Equipment Required
Short Form Procedure
Preliminary Procedure
Set Battery Charge Current
Check/Adjust Power Regulation Voltages
Detailed Alignment Procedure of RF and IF Circuits
General Alignment of RF and IF Sections
Frequency Span and Center Frequency Accuracy Adjustments
Adjustment of Linearity Gain
4-2
4-7
4-7
4-7
4-11
4-11
4-11
5-1
5-3
5-4
5-5
5-6
5-7
5-9
5-9
5-9
5-9
5-10
5-10
5-10
5-11
5-13
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