Sencore TF151 - Page 3

TABLE OF CONTENTS
Safety Precautions with the MOSFET or IGFET.
Matching of Transistors, Field Effect Transistors and Diodes
Transistor Substitution ..... .. .. .
Checking Diodes and Rectifiers in-Circuit
Checking Diodes and Rectifiers Out of Circuit
Zener Diodes ..
Varicap Diodes.
Checking Other Semiconductor Devices.
Solid State Servicing Hints.
Disassembly Instructions
Calibration of the TFlSl.
Circuit Description
Trouble Chart
Parts List
Schematic
Service and Warranty
ILLUSTRATIONS AND CHARTS
Fig.
Transistor Section of Sencore Transistor Book
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Fig. 2 Field Effect Section of Sencore Transistor Book . 7
Fig. 3
Connecting to a transistor for in and out of circuit testing 9
Fig. 4 Connecting to a transistor on a Printed Circuit board . 10
Fig. 5 Connecting to a Field Effect Transistor for testing . . J3
Fig. 6 Connecting to a Field Effect Transistor on a printed boal'd . 13
Fig. 7 Field Effect Transistor Replacement in a Circuit. 15
Fig. 8 Connecting to a Diode for in-circuit testing . . 18
Fig. 9 Connecting to a Diode for out of circuit testing 18
Fig . IO Location of Leakage and Gm Cal controls in the TFISI 20
Fig.ll Schematic . . . . . . . . . .. .. .. ... .... 23
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