Kenwood TK 90 Service Manual

Page 2

TK-90

CONTENTS/ E i

GENERAL ................................................... 3 IE 55 ....................................................................... 3
SYSTEM SET-UP ....................................... 4 $23512ng ....................................................................... 4
REALIGNMENT .......................................... 5 Tamas ....................................................................... 5
INSTALLATION ........................................ 12 a; 4; ..................................................................... 12
DISASSEMBLY FOR REPAIR .................. 17 ééfiéflfififl ..................................................................... 17
CIRCUIT DESCRIPTION ........................... 1s $661313)? ..................................................................... 1s
COMPONENTS DESCRIPTION ............... 31 i1¢ififlfi ..................................................................... 31
SEMICONDUCTOR DATA ....................... 4o $314411; ................................................................ 40
PARTS LIST .............................................. 47 % 15F 26 .................................................................... 47
EXPLODED VIEW ..................................... 64 ametfimrgl ................................................................ 64
PACKING .................................................. 65 g 4% .................................................................... 65
ADJUSTMENT ......................................... 66 1J2] g .................................................................... 66
TERMINAL FUNCTION ...................... 87 5
PC BOARD PCIEL

FINAL UNIT (x45-37so-20) .................. 92 FINAL$i (x45-3730-20) ......................... 92

DISPLAY UNIT IX54-3560-20) ............. 96 DISPLAY$3E (X54-3560-20) ................... 96

TX-RX UNIT (X57-7210-20) ................. 93 Tx-ini (x57-7210-20) ......................... 93
INTERCONNECTION DIAGRAM ........... 102 EEEI ....................................................................... 102
SCHEMATIC DIAGRAM I}? i2 1%

FINAL UNIT (x45-37so-20) ................ 104 FINAL$i (x45-37so-20) ....................... 104

DISPLAY UNIT (X54-3560-20) ........... 106 DISPLAY$7T3 (X54-3560-20) ................. 106

Tx-Rx UNIT Ixs7-721o-20) ............... 108 Tx-iny-I; (x57-721o-20) ....................... 103
BLOCK DIAGRAM .................................. 112 7'3 ije IE ................................................................... 112
LEVEL DIAGRAM ................................... 114 a $ :2 ................................................................... 114
SPECIFICATIONS ................................... 116 an. 1% ................................................................... 117