Vectronics VEC-1402K User Manual
Page 3
TABLE OF CONTENTS
Introduction .....................................................................................................2
Tools and Supplies ..........................................................................................2
Before You Start Building...............................................................................3
Soldering Tips: .......................................................................................3
Desoldering Tips: ...................................................................................3
Work Habits: ..........................................................................................4
Sorting and Reading Resistors:...............................................................4
Reading Capacitors:................................................................................5
Diodes: ...................................................................................................5
Transistors: .............................................................................................6
Integrated Circuits: .................................................................................6
Parts List..........................................................................................................7
Parts Placement Diagram ................................................................................7
Step-By-Step Assembly...................................................................................8
PC Board Inspection:..............................................................................11
Testing and Alignment ....................................................................................12
Generator Method: .................................................................................12
Off-air Method: ......................................................................................13
Operating Instructions .....................................................................................13
In Case of Difficulty ........................................................................................15
Preamp Stops Amplifying:......................................................................15
Cannot Align or Test Preamp: ................................................................15
Voltmeter Checks: ..................................................................................15
Theory of Operation and Specifications ..........................................................16
Operation:...............................................................................................16
Specifications: ........................................................................................16
Schematic ........................................................................................................17