Kenwood TR7400A - INTRODUCTION AND CONTENTS

Your KENWOOD Model TR-7400A is a high-quality 2-meter transceiver for use in ama-
teur radio mobile stations as well as base stations
.
It contains a PLL frequency syn-
thesizer developed and engineered through
KENWOOD's elaborate VHF technology to
provide high performance and outstanding technical characteristics
.
The TR-7400A is capable of transmitting or receiving F3 FM signals on up to 800 Chan-
nels at intervals of 5 kHz. having 25W RF output power
.
CONTENTS
SPECIFICATIONS ........................................... 3
FINAL TRANSISTOR SPECIFICATIONS ........................... 4
BLOCK DIAGRAM .......................................... 5
CIRCUIT DESCRIPTION ...................................... 6
PARTS ALIGNMENT ......................................... 11
PC BOARD
PA
UNIT (X45-1090-10) ................................... 13
PD UNIT (X50-1380-10) ................................... 14
VCO UNIT (X50.1370.10) .................................. 15
INDICATOR UNIT (X54-1210-10) ............................ 16
RX UNIT (X55-1150-10) .................................. 17
TX UNIT (X56-1230-10) ................................... 18
PARTS LIST ............................................... 19
PACKING .................................................. 25
DISASSENIBLY ........................................ 26
TROUBLESHOOTING ........................................ 29
LEVEL DIAGRAM ........................................ 32
ADJUSTNIEIUTS ............................................ 33
SCHEMATIC DIAGRAM ...................................... 40