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VHF FM TRANSCEIVER
TK-240(F)
SERVICE
MANUAL
© 1991-2 PRINTED IN JAPAN
B51-8096-00 (O) 507
5-TONE MODEL
Antenna
Knob (ENC)
(K29-4580-71 4)
Cover
fe [
(FO7-1335-04)
Knob (VOL)
(K29-4579-14)
Panel assy
(A62-0114-04)
Knob
(PTT)
(K29-4561-12)
- Knob (Release)
(K29-4562-14)
|
Plastic cabinet
( ===
ar
(A02-0979-04)
(T90-0381-05) : M2
(T90-0382-05) : M
'CONTENTS
GENERAL .......cssesssscssesecsssccssssarseecscsssscseceeeestacensanenseeecens 2
SYSTEM SET-UP .....ccccssssscccssssesccsssensccesseesssensessseeseean 3
INSTALLATION ......csscsssssesscsesssssssssacesecesensesessessnses wa 4
WRITING METHOD (5-TONE) ...........:2ssesesssesssssesesees 7
FREQUENCY SETTING ..........ccccccccsseceessesecssesssenseeseass 9
CIRCUIT DESCRIPTION ............:cc:ccccesesessesssssssssseees 15
SEMICONDUCTOR DATA.....cscssssscssesccsssseeesssssssseeens 17
PARTS LIST u....cccsssssscccsesscsssscressseseecesssseceessevansnensess 19
EXPLODED VIEW .uu......csscccccesssececsssceseecssesssscssseevesenss 32
PACKING .....ecesecccssssssecesecesecsscssscscscscencesessererssuvsverscsees 33
ADJUSTIVENT .......ccccseccseccsecsscsssssssseceecrsecseseesssesenens 34
PC BOARD VIEWS
SIGNALING UNIT (X52-3200-20) ........eseesessesees 38
TX-RX UNIT (X57-3820-XX) (A/2) .cecssesseevescen 39
TX-RX UNIT (X57-3820-XX) (B/2) ...cessecesseseeeeeees 41
CONTROL UNIT (W02-1630-15) .......cc:cscssecenes 43
5-TONE UNIT (W02-1668-05) .........cccsssssssesssees AA
SCHEMATIC DIAGRAM .........ssssssssesssssssessseeesneersnees 45
BLOCK DIAGRAM ......c.cssscscsesscssesssseesssssesscsnsesesssonaes 49
SPECIFICATIONS. ..........seccceseceseees veeaeaceeassecsussceusseneas 53
Since this service manual only describes the
differences between the TK-240(F) and the
TK-240 (B51-8055-00), see the TK-240 service
manual as well.
For information on installing, setting, and ad-
justing the 5-TONE
unit, and for circuit dia-
grams and PC board views, see the TK-240(F)
service manual.
KENWOOD"
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