TS-990S Diagram & Circuit Boards manual

| enero 2, 2020

HF/50MHZ TRANSCEIVER

TS-990S

DIAGRAM & CIRCUIT BOARDS EDITION

TS-990S DIAGRAM & CIRCUIT BOARDS EDITION JVC KENWOOD Corporation

JVC KENWOOD Corporation

© 2013-4 PRINTED IN JAPAN RQ005 (Y) 195 (B53-7038-00)

CONTENTS

INTERCONNECTION DIAGRAM………………………….3

ACCESSORY UNIT (X42-3430-00) (A/10~J/10)

SCHEMATIC DIAGRAM (A/10)……………………….4

PC BOARD……………………………………………………5

SCHEMATIC DIAGRAM (B/10~J/10)……………….9

DC-DC UNIT (X43-3220-00) (A/3~C/3)

SCHEMATIC DIAGRAM……………………………….10

PC BOARD………………………………………………….11

FINAL UNIT (X45-3880-00) (A/2,B/2)

PC BOARD………………………………………………….13

SCHEMATIC DIAGRAM……………………………….15

DIGITAL UNIT (X46-3390-00)

SCHEMATIC DIAGRAM (1/3)………………………..16

PC BOARD………………………………………………….17

SCHEMATIC DIAGRAM (2/3, 3/3)………………….19

PLL(MAIN) UNIT (X50-3220-00)

PC BOARD………………………………………………….21

SCHEMATIC DIAGRAM……………………………….23

PLL(SUB) UNIT (X50-3230-00)

SCHEMATIC DIAGRAM……………………………….24

PC BOARD………………………………………………….25


AT UNIT (X53-4410-00) (A/2,B/2)

PC BOARD………………………………………………….27

SCHEMATIC DIAGRAM……………………………….31

CONTROL UNIT (X53-452X-XX)

SCHEMATIC DIAGRAM……………………………….32

PC BOARD………………………………………………….33

DSP UNIT (X53-4530-00)

PC BOARD………………………………………………….35

SCHEMATIC DIAGRAM……………………………….37

DISPLAY UNIT (X54-3850-00) (A/6~F/6)

SCHEMATIC DIAGRAM……………………………….38

PC BOARD………………………………………………….39

RX UNIT (X55-313X-XX) (A/2,B/2)

SCHEMATIC DIAGRAM (B/2)……………………….43

PC BOARD (B/2)………………………………………….43

SCHEMATIC DIAGRAM (A/2)……………………….44

PC BOARD (A/2)………………………………………….45

TX-RX UNIT (X57-827X-XX) (A/2,B/2)

SCHEMATIC DIAGRAM (B/2)……………………….47

PC BOARD (B/2)………………………………………….47

SCHEMATIC DIAGRAM (A/2)……………………….48

PC BOARD (A/2)………………………………………….49

BLOCK DIAGRAM……………………………………………51

SPECIFICATIONS…………………………………………….52

 

Kenwood TS-990 Service Manual
Filed in: Hamradio
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