Page 1
TK-760/762/H
CONTENTS
GENERAL3
SYSTEM SET-UP
: 5
OPERATING FEATURES
1. Transceiver Programming 6
INSTALLATION
1. Accessory Connection Cable(KCT-19 : Option) 7
2. Ignition SenseCable(KCT-18 : Option) 9
3. PA/HA Unit (KAP-1: Option) 10
4. DTMF Decode : 11
5. External Speaker 12
6. Fitting the Control Panel Upside Down 12
REALIGNMENT
1.
Modes 13
2. How To Enter Each Mode 13
3.Panel Test Mode (TK-760 Only) 13
4. Panel Tuning Mode (TK-760Only) 15
BLOCK
DIAGRAM 17
LEVEL DIAGRAM : 19
CIRCUIT DESCRIPTION
1.
Circuit Configuration by Frequency 20
2. Receiving System 20
3. Transmitter System 22
4. Frequency Synthesizer Unit 23
5. Display Section 24
6. Control Section 24
SEMICONDUCTOR DATA
27
DESCRIPTION OF COMPONENTS 31
PARTSLIST 34
EXPLODED VIEW
41
PACKING 42
ADJUSTMENT 43
TERMINALFUNCTION 49
PC BOARDVIEWS ICIRCUIT DIAGRAMS
VCO (X58-4360-XX)
50
TX-RX UNIT: TX-RX (X57-4950-XX) (A/2): TK-760 I(X57-5100-XX) (A/2): TK-762 51
TX-RX UNIT: CONTROL (X57-4950-XX) (B/2): TK-760 I(X57-5100-XX) (B/2): TK-762 61
KAP-1 (PA/HA UNIT) 71
SPECIFICATIONS BACK COVER
2
Page 2
TK-760/762
GENERAL
INTRODUCTION
SCOPE OF THIS MANUAL
Thismanual isintended foruse byexperienced
technicians familiar
with similartypesofcommercial
grade communications equipment.Itcontains
all re
quired service information forthe equipment and
is
current as ofthe publication data.Changes whichmay
occur afterpublication arecovered
by either Service
Bulletins orManual Revisions. Theseareissued
as re
quired.
ORDERING REPLACEMENT PARTS
Whenordering replacement partsorequipment in
formation, thefullpart identification numbershould
be
included. Thisapplies to all parts:components, kits,or
chassis. Ifthe part number
is notknown, includethe
chassis orkit number ofwhich it
isapart, andasuffi
cient description
of therequired component forproper
identification.
PERSONNEL SAFETY
Thefollowing precautions arerecommended for
personnel
safety:
- DO NOT transmit ifsomeone iswithin two feet (0.6
meter) ofthe antenna.
-
DO NOT transmit until all RF connectors areverified
secure andanyopen connectors areproperly termi
nated.
- SHUT
OFF and DONOT operate this equipment
nearelectrical blastingcapsor in an explosive at
mosphere.
- All equipment should
be properlygrounded before
power-up forsafe operation.
- This equipment shouldbeserviced byaqualified
technician only.
FCC COMPLIANCE AND TYPENUMBERS
Model and Frequency TX
Deviation Signaling
destination range(MHzl
power IW) (kHz)
OTDOT 2·TONE DEC DTMFENC
TK-760
K 148-174 255/2.5 0
0 0 0
TK-760 K2 136-156 25 5/2.5 0
0 0 0
TK-762
K 148-174 25 5/2.5 0 0 0 0
TK-762 K2 136-156 25 5/2.5 0 0 0 0
TK-760H K 148-174 455/2.5 0 0 0 0
TK-760H K2 136-156 455/2.5 0 0 00
TK-762H
K 148-174 455/2.5 0 0 00
TK-762H K2 136-156 45
5/2.5 0 0 00
PRE-INSTALLATION
CONSIDERATIONS
1. UNPACKING
Unpacktheradio from itsshipping container and
check foraccessory items.Ifany
item is missing,
please contact KENWOOD immediately.
2. L1CI;NSING REQUIREMENTS
Federalregulations requireastation license foreach
radio installation (mobileorbase)
be obtained by the
equipment owner.Thelicensee
is responsible foren
suring transmitter power,frequency,
and deviation are
within thelimits permitted bythe station license.
Transmitter adjustments may
be performedonlyby
a licensed technician holding
an FCC first,second or
general classcommercial radiotelephone operator's
li
cense.There isno license required toinstall oroperate
the radio.
3. PRE-INSTALLATION CHECKOUT
3-1.Introduction
Each radio is adjusted andtested before shipment.
However, it
is recommended thatreceiver andtrans
mitter operation
be checked forproper operation be
fore installation.
3-2.Testing
Theradio should be tested complete with all cabling
and accessories as theywillbeconnected in the final
installation.
Transmitter frequency, deviation, and
power output should
be checked, as should receiver
sensitivity, squelch operation, andaudio output.
OT equipment operationshould be verified.
3
