Kenwood TK-768 User manual

TK-76glH
SERVICE
MANUAL
KENWOOD
@1996.10PRINTEDINJAPAN
Bs1-8929-oo
(tt)
sgr
TK-768/H Microohone
ffg1-0552-05)
Cabinet
11.1pper)
(401-2112-03)
\
")
Panelassy
(A62-0449-13) Front
glass
(810-1
230-04) Keytop (Rubber)
(K29-5081
-02)
)
-)
TK-768/H
(D)
type

Tl+7681H CONTENTS
REALIGNMENT
2.
HowToEnterEachMode ..............
I
INSTALLATION
1.Accessory
Connection
Gable
(KCT-19
:Option) ..............
26
2.
fgnitionSenseCable
(KCT-18
:
Option) .........29
4.Horn/LightUnit (KAP-1 :
Option) ..................
34
6.Fitting the ControlPanel
UpsideDown ........36
CIRCUITDESCRIPTION
1.CircuitConfiguration
by Frequency ..............
37
DESCRIPTTON
OFCOMPONENTS .......
50
PC
BOARD
VIEWS
/ CIRCUITDIAGRAMS
TX-RX
UNIT: TX-RX
(Xs7-4950-XXl
lAl2l ........77
TX-RX
UNIT: CONTROL
(X57-4950-XXI
lBl2l ..................... 87
0
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e
C
s
G

TK:768/H
INTRODUCTION
SCOPE
OFTHISMANUAL
Thismanual
isintendedfor use byexperienced
technicians
familiarwithsimilar typesof commercial
grade
communications
equipment.lt containsallre-
quired
serviceinformation
fortheequipmentand is
current
asofthe
publication
data.Changeswhichmay
occurafter
publication
arecoveredbyeitherService
BulletinsorManualRevisions.
These
are
issued
asre-
quired.
ORDERING
REPLACEMENTPARTS
Whenordering
replacement
parts
orequipmentin-
formation,the
full
part
identificationnumbershouldbe
included.
Thisapplies
to
all
parts
:components,kits,
or
chassis.lfthe
part
number
isnot
known,includethe
chassisorkit
number
of
whichitis
apart, andasuffi-
cientdescriptionofthe
required
component
for
proper
identification.
GENERAL I
PERSONNELSAFETY
Thefollowing
precautions
are
recommended
for
personnel
safety
:
. DONOTtransmitifsomeoneis
within
two
feet
(0.6
meter)of
the
antenna.
. DONOTtransmituntilallRFconnectors
areverified
secureandanyopenconnectorsare
properly
termi-
nated.
. SHUT
OFFandDONOT
operatethisequipment
nearelectricalblastingcapsorinanexplosiveat-
mosphere.
. Allequipmentshouldbe
properlygrounded
before
power-up
forsafeoperation.
o This
equipment
should
beservicedbyaqualified
technicianonly.
SERVICE
Thisradioisdesignedforeasyservicing.Referto
theschematicdiagrams,
printed
circuitboardviews,
andalignment
procedures
containedwithin.
NOTE
WECANNOT
guarantee
oscillatorstabilitywhenus-
ingchannelelement
manufacturedby otherthan
KENWOOD
orits authorizedaoents.
t
I
0
@
@
DESTINATION
LIST
Model and
destination Frequency range{MHzl TX
power
(Wl Siqnalins Microphone
OT DOT DTMF tvpe(ACSY)
TK-768 M148-174 25 o.) Basic
TK-768 UM148-174 o-r 16
kev
TK-768H DM148-174 45 oo16kev
TK-768 M2 1 36-156 25 ooBasic
TK-768 D M2 1
36-156 25 .ó o16 key
TK-768H D M2 136-156 45 o o 16kev

TK:768/H SYSTEM
SET.UP I
I
Merchandise
received RF ?BW Frequency
range
(MHz) Tvoe MIC
(ACSYI
148-17
4MBasic
TK-768 148-17
4DM 16kev
RF 45\
136-156 M2 Basic
136-156 DM2 16
key
Frequency
range
(MHz) Type Mrc
(AcsY)
Choosethetype
of
trunr."i*r. )--!l TK-708H 148-174 DM 16
key
136-156 DM2 16kev
See
page
24.
A personal
computer
(lBM
PC
orcompatible),
programming
interface
(KpG-4),
and
programming
software
(KPG-29D)
are
required
forprogramming.
(The
frequency
andsignaling
dataare
programmed
forthe
transceiver.)
Transceiver
programming
(Self
programing
orsoftware
programing)
Are
you
using
the YES KAP-1 See
page
34.
Installation
theTX-RX
unit
when
used
KAP-1.
I Horn/Li
ght
unit
| (offi;j
YES See 35.
Are rrnrr rraihd fha KEr-5
speaker
(Option)
_l
Are
youusing
the
i(
I
NO External
_YES
S,
| -c.:e page
29.
r-18
-',l
rnse
cable
(Option)
I lgnition
sr
(Option)
Delivery
t
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1.Modes
DATAPROGRAMMING
MODE
PCTUNINGMODE
TK.76BIH REALIGNMENT I
Conventionalmode/Trunking(SmarTrunk) mode
SwitchbetweenConventionalmodeandTrunkingmodebyholding
downthe
tMONll
keyinPOWERON.
Thiscanbe selectedwhen installedwith a boardwith the trunking
modefunction
(board
model
ST-865KW2). Note :The SmarTrunk IIrMcall is a registeredtrade-
mark of the SelectoneCorporation. )
I
3.Self
Programing
Mode
3-1.Settingthe channels
Thedealercan
set
thefunctions,suchasfrequency
andsignaling,foreachchannelofthetransceiver with-
outusingtheFPU.
Operation
1. Holddownthe IAI key
andturnthepower on,and
keepthe [Alkey
pressed
fortwo secondsto enter
theinitialmode.The
displaychangesfrom
"PrOG"
to
"SEL".
2.Whenthe
[MON]
keyis
pressed
again,thechannel
setmode
is
entered.Thedisplayshows
"CH1".
3.Therearechannels1 to 32. Then
[D/A]
keyincre-
mentsthechannel
number,
andthe
[SCN]
keydec-
rementsthechannelnumber.
4.Thesetting
items
arelisted inTable1. Whenthe
choice
ischangedandthe
ICHVI
keyis
pressed,
the
displayedvaluefor the current item is storedin
memoryandthenextitem
appears.
5.When the [MON]keyis pressed, the initialmode
"SEL"
returns.
Mode Function
USERMODE Customerusethismode.
CONVENTIONAL
MODE Thismodeisfor useasatrans-
ceiver.
TRUNING
(SmarTrunk)
MODE Thismode
used
whena
trunking
boardhasbeeninstalled.
DEALERMODE Thismodeisusedbvthedealer
for making
settings
Íorthe modes.
PANELTESTMODE Dealer
usestocheckthe
funda-
mental
characteristics.
PANELTUNINGMODE Dealeruses
totunetheradio.
PCMODE Thismodeiscommunicationthe
radio
to PC
(lBM
compatible).
Itrequiresthe KPG-29D.
DATA
PROGRAMMINGMODE ThismodeisÍrequency
dataand
featureswritetothe radioand
readfromthe radio.
Thisfeatureisinclude
the
FPU.
PCTESTMODE This
mode
canchecktheradioby
PC
control.
Thisfeatureisinclude
the
FPU.
This
paragraph
isas
sameasPANELTUNING.
2.HowToEnterEachMode
Mode Operation
USERMODE UsuallyPowerONthenbeginthismode.
DEALERMODE The A switch
isheld
on
with Power
ONtheradio.TheA switchholdinqabout2 sec.afterPowerON the radio.
PANELTESTMODE The D/Aswitchisheldon
with Power
ONthe radio.TheD/Aswitchholdingabout2 sec.aÍterPowerONthe
radio.But,if
this
modeisdisabledbyFPUthenbegintheUSER
MODE.
PANELTUNINGMODE The SCANswitch
isheld
on
with Power
ONtheradio.TheSCANswitchholdingsabout2 sec.afterPower ON
the
radio.But,if
this
modeis
disabled
byFPUthenbegintheUSERMODE.
PCMODE TheradioPowerONtobegintheUSER MODEwhenthroughtothemicrophone
thenbeginthis
mode.
Note:PANELTESTMODEandPANELTUNINGMODEdoesnotbeointhe
PC
MODE.

Setting item (Table1)
Functionname Setting (Defaults are underlinedl Display Remarks
Channel
select cH1
-CH32 _cH_1_ ISCNI
Channel
down
lD/Al
Channelup
cu ea
RXÍrequency Blank ICHAI
FrequencyON/OFFselect
lAl
Step
select
ISCNI
1stepdown
lD/Al
1step up
IVOLAI
MHz
stepup
NOLVI
MHzstep
down
At
6.25kHz
step,dotlight
(Right
side).
100-550MHz
5/6.25kH2step 450.00625
RXOT OFF -OFF- ICHAI
OTON/OFFselect
lAl
1
step/standard
select
ISCNI
OTdown
IDiAI
OTup
At1step
,dotlight
(Rignt
side).
67.0-250.3H2
(0.1
Hzstep/standard) _t_o/.u_
39_250,3_
ïXfrequency Blank ICHAI
Frequency
ON/OFF
select
lAlStepselect
ISCNI
1stepdown
[D/A]1step up
IVOLAI MHzstePuP
NOLV] MHzstePdown
At6.25kHzstep,dot
light
(Right
side).
TXFLAGlisht.
100-550MHz
5/6.25kH2step 450.00625
TXOT OFF -OFF- ICHAI
OTONiOFFselect
lAl
1step/standardselect
[SCN]
OTdown
tD/Al
OTup
At1step
,dot
light
(Rignt
side).
TXFLAG
light.
67.0-250.3H2
(0.1
Hz
step/standard) _ t_o /.u_
39_250.3_
1 Scan DEL/ADD DEL _1_dEL ISCNI
DEUADDselect
lD/Al
DEL/ADDselect
ADD _1_Add_
2 DTMF signaling ON _2_On_ ISCNI
ON/OFFselect
[D/A]
ON/OFFselect
OFF _2_OFF_
3 PTTID ON -3-On- ISCNI
ON/OFFselect
ID/AI
ON/OFFselect
OFF 2 ^trE
4 BusyCHlockout OFF _4_oFF_ ISCNI OFF/I/2select
lD/Al
OFF/1/2select1_4_1_
z_4_2_
5rD 000-9999999999 _5_000 DTMF
key
= lDinPut
5 99999
REALIGNMENT
Note: Donotsetthetransmission frequencyandreceivingfrequencybydifÍerentsteps. (lfthe receivingfrequencyissetbystepsoÍ 5kHz,set
thetransmissionfrequencybystepsof SkHz,too. Similarly,ifthe
formeris
setbystepsoÍ 6.25kH2,setthe latter bystepsof 6.25kH2,too.)
10
):,-,.,.- - ..,, ---
-
-rc:-Ài ---1=-:-J:--::-:--.^r-'$. =--- " .:
'" :i ' ' ' l '': ''
)
)
I
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TK-769/H
3-2.Setting the functions
Thedealer
cansetthefunctions
common
toallthe
channelsofthetransceiverwithout
usinq
theFPU.
Operation
1.Hold
downthe [Alkey
andturn
the power
on,and
keep
the [Alkey
pressed
fortwo secondsto enter
theinitialmode.
Thedisplay
changesfrom
"PrOG"
to "SEL".
2.When
the[A] keyispressed
again,
the
function
set
modeis entered.Thedisplayshows
"150-1"
or
"150-2".
REALIGNMENT
3.
When
the
IVOLAI
keyis
pressed,
thefunction
num-
berincrements,
andwhen
the
[VOLV]
keyis
pressed,
thefunction
number
decrements.
When
the
IVOLA]
or[VOLV]
keyisheld
down,
thefunc-
tionnumberincrements
ordecrements
continu-
ouslv.
4.
Changethechoice
using
the
[SCN]
or
[D/A]
key
or
the
microphone
DTMFkey.
When
the
[CHV]
keyis
pressed,
thedisplayedvalue
for
thecurrent
itemis
storedintomemory
andthenext
item
appears.The
settingitems
arelistedinTable
2.
5.When
the
[A]
keyis
pressed,
theinitial
mode
"SEL"
returns.
Setting item (Table
2)
FunctionName Setting
IDeÍaults
areuncerlinedl Display
No. Fversion VHFF1 50_-_1
VHF
F2 50_-_2
1tMON} No
Íunction OFF
Monitor
Talkaround z
Hornalert J
AUX
(Scrambler) 4
SCAN _5_
DEUADD 6_
Home
channel 7
Reverse
Selectable
OT _9_
IA1 Nofunction _2*OFF_
Monitor 2_1_
Talk
around -2-2-
Hornalert _z_ó_
AUX
(Scrambler)
SCAN
DEL/ADD
Homechannel _2_7_
Reverse aa
Selectable
OT _2_9_
3ISCN] Nofunction
Monitor a1
Talk
around _3_2_
Horn
alert _3_3_
AUX
(Scrambler) .7A
SCAN
DEUADD
Home
channel _3_7_
Reverse ?a
Selectable
OT _3_9_
Function
Name Setting
íDeÍaults
areuncerlinedl Display
No.
4ID/A1 Nofunction A l\trtr-
Monitor _4_1_
Talk
around :4-2-
Horn
alert ^e
AUX
(Scrambler) -4_4_
SCAN
DEL/ADD 4o
Home
channel 7
Reverse _4_8_
setectaDteLiI AO
Minimum
volume 0-31/1
step
Default12
q1t
6Beep YES _6_0n_
NO _6_0FF_
7Time
outtimeÍ OFF _7_OFF_
30-300S/30s
DeÍault1BOs _7_1
B0_
BSignaling OR _8-Or-
AND _B_And
Home
channel cH1
-CH32/1
CH
Default
CH1 _9_1_
10 Dealer/tuning
mode Enable 1O_On_
Disable 1o_oFF_
11 Clone Enable 11_On_
Disable 11_OFF_
12 co/To co 12_CO_
TO 12_tO_.
13 Priority None
Fixed 1e 1
Selected 13-2_
12

TK:768/H
Function
Name Setting
(Defaults
areuncerlinedl Display
No,
14 Priority
channel cH1
-cH32/1
CH
DeÍault
CH1 14-1_
i3 Look
back
A0.5-5.0si0.1s
DeÍault
0.5s
16 n Á
to Lookback
B0.5-5.0s/0.5s
DeÍault
2.0s 16_0.5_
Revert
channel Selected 17
_1_
Lastcalled 17
_2_
Lastused 1-7 ?
Selected
+ T/B 17 4_
Priority 17
-5-
Priority
+T/B 17
_6_
tó TXdwell
time 0.5-5.0s/0.5s
DeÍault
3.0s 18_3.0_
19 Dropout
delay
trme
0.5-5.0s/0.5s
Default
3.0s 19_3.0_
20 Off hookscan Enable 20-On-
Disable 20_oFF_
21 Digit
time 50-200ms/1Oms a1 trn
22 Interdigit
time !Q-200ms/10ms 22_50_
23 Firstdigit
time 50-200ms/10ms 23_50_
aÁ Firstdigitdelay
time 50-1000ms/50ms 24 50-
25 PTT
ID Connect 25-1_
Disconnect 25-2_
Both
26 Dial
lD Enable 26-0n-
Disable
DTMF
hold
time ON 27_On-
OFF
2A Storeand
send ON 2B-On-
OFF ,a ntrF
Note:
Set
thechannels
beforsetting
thefunctions.
When
bothQT
and
DTMF
signaling
areused,
the
firstdigit
delay
time
should
besetto 100msor
longer
lfsetting oÍthe
DTMF
signaling
ischanged,the
lD'soÍ
the
allchannels
will
beinitialized
to000.
REALIGNMENT
:unction
No. FunctionName Setting
IDefaults
areuncerlined) Display
29 Dkeyassignment Dcode 29_d_
'1
-16s/1s 29_1_
29-16_
30 DTMF
signaling Code
SO 30_1_
Selcall 30-2_
31 lnter
mediatecode n-q a-n *J t_T_
ót Groupcode OFF,
A-D,
*,
#32_OFF_
33 Autoresettime OFF
1
-15s/1s
Default
10s
2a 1n
34 Callalert/
transpon0
OFF 34_OFF_
Callalert ?4 1
ïranspond
(Call
alert) 34-2_
Transpond
(lD
code) 34-3-
Transoond
flranspond
code) 34-4_
35 Clearto
transpond YES 35-On-
NO
36 OfÍ hookdecode Enable 36-0n-
Disable "A ÓFF
37 0fÍ hook
hornalert Enable a-7 An
Disable
38 Connect
lD
DTMF
key
= lDin
000-
################
| ?a nnn
t-
T-;-
I Jó_rFFrF
L
I Blank
t-
put,
PTT+DTMF
key
= Clea
Ise--
39 Disconnect
lD
DTMF
key
= lD
in
000-Balnk
################
I sg ooo
t""-""'
put,PTT+DTMF
keY
= g1s3
F nrl
14
. ,|,.

Tt+768/H
3-3.
Disabling
theself-programingÍunction
Youcan
makesettingsto
prohibit
self
writing
bythe
user
andshifting
topanel
test
mode
and
panel
tuning
mode
withtheFPUorself-programing.
Theself-programing
modeis
enabledasthedefault
state.
lfFPUisnot
used,disableDealer/Tuningmode
intheSelf-programing
menu.
Canceling
shift-prohibit
Short
theR492
(0O)
andshift-prohibit
willcancelat
power
on,orcancelbyusingtheFPU.
REALIGNMENT
Y
€ sr I &."{ \\\;/
\q.\ \'b
'ru*ï[ À]*\*16"
*ffir#
& 6 etrëËs s
F/-*"*.è
*Ë.\lffi? e d-"
*'.1ffiË
&q'ffi
16
'":.:,, ;1;1.::*s,.T.-lï.1-ll---l::ij..::=! !i,:v-.]..".,-:.-,'
4,PanelTest Mode
When
thetest modeisentered,all
LCDsegments
light,
the
beepersoundsforonesecond,
andVERSION
SELECTmode
isentered.
Usethefollowing
keysto selectaversion:
D/A
key.............
UP
SCNkey DOWN
Table
3 lists
the versions. Theversionisselected
when
theCHANNELDOWNkey
is
pressed.
Version Display
VHF
F1 1
50-1
VHF F2 150-2
Table3
All LCDsegments appear
à & ( cnlr-scN
AUXADD
r:ir:rr-lr:ir:rr:rr:rr:i
u u Lf.Lr.Lt.u.u.Lt
,. . ".' '-r'- '," - l '' -"*- -l-.-'i-,".'-
TX-RX
unit(B/2)
:Control
Foilsideview
I
I
I
I
----1 I
I
I
Version select mode
i__i
tr'fJ i_.i
! i,.ii._1
i_.i
I .f
i-l Lf.1...1"
i .i.i l.I l.i l"
,.1

TK-768/H
4-1.TEST
MODECHANNELoperation
When
theCHANNEL
DOWNkeyis
pressed
in
the
VERSION
SELECT
mode.
the
version
isselectedanda
channel
operation
begins.
Thechannel
freouenciesforeachversionarelisted
inTable
5,andkeyfunctionsforchanneloperationsare
listed
inTable
4.
Key Function
VOL
UP VOLUP
VOLDOWN VOLDOWN
CHUP MUTEOFF
CHDOWN
MON CHDOWN
A CHUP
SCN SIGDOWN
DtA SIGUP
PTT TX
Table4
REALIGNMENT
tt
Channel Signaling
table
Íor usinqontr,st mode
CH M,DM,HDM M2,DM2,HDM2
RXF
(MHz) TXF (MHz) RXF
(MHz) TXF (MHz)
1
61
.1
0000 161.00000 146.1 0000 1 46.00000
148.1
0000 148.00000 136.10000 136.00000
173.90000 174.00000 155.90000 156.00000
4155.10000 r
55.10000 137.10000 137.10000
1
60.10000 1 60.10000 142.10000 142.1 0000
61
65.10000 165.10000 147.1 0000 147.10000
71
50.03000 150.00000 150.03000 1 50.00000
81 56.03000 156.00000 1 53.03000 1 53.00000
Decode Encode Remarks
None None
None 100H2
square
wave 1
00Hzsquarewave
3OT
(67.0H2) OT
(67.0H2)
OT
(100H2) OT
(100H2)
5OT
(151.4H2) OT (151.4H2)
oQï l210.7{zl aI l210.7Hzl
7OT
(250.3H2) OT (250.3H2)
8None DTMF
singletone
(1633H2) 1633H2
sinqletone
None DTMFencodetone
[7j t7l
852Hz,12O9Hz
10 DTMF
decode
Alert=Yes,Transpond=
No None Code=159
Table5
':i.:ra.r:3
18
.:I

TK-769/H REALIGNMENT
5.Panel
Tuning
Mode
whenthetuningmode
isentered,theTUNING Tuningmode
staÉdisplay
MODESTART
displayappearsfor
about
onesecond,
and
theVERSION
SELECT
statebecomes
effective.
Thisstateisdifferentfrom
the
vERSloN
SELECT
state
in
the
TEST
MODEin
thatthedot
atthelowerrioht
side
of
thedisplay
lights.
Usethefollowing
keysto
select
a
version:
D/Akey
.............
UP
SCNkey DOWN
Theversionis
selectedwhen
the
CHDOWN
keyis
pressed
as
the
version
select
key.
When
theversion
isselectedwith
theCHDOWN
key,the
CHSELECTstate
of the
tuningmode
be-
comes
effective.
Thechannel
andsignaling
canbe selectedin the Tuningmodechannel
select
state
samewayasin
thetestmode.
The
tuning
items
arelisted
inTables
7 and8,and
key
operationsfor
tuningarelisted
inTable
6.
1t
Channel Signaling
1t
Tuning
item Tuning
data
Tuningmode
channelselect Tuning
mode
tuning
Key Function Remarks Key Function Remarks
VOL
UP VOLup VOL
UP VOLup
VOLDOWN VOL
down VOL
DOWN VOL
down
CHUP To
tuning Tothe right
state CHUP ToCHSEL To
the leftstate
CHDOWN CHDOWN Select Ïo the next
item
MON CHdown MON Item
down
AUX CH
up AUX Itemup
SCN SIGdown SCN Adjustmentvalue
down
D/A SIGup D/A Adjustmentvalue
up
PTT ÏX PTT TX
Table6
-'#;t.' ï.ï--- :.'""='
'=-.'-'ff--.ï-.,fïï
Tuningmode
version
select
state
il ,5,Iiii,-rititTt
DOT
il i-Í i-ifi i:ill.
ti
I i:i
ii,riiFrh"ft
20

Tl+768/H REALIGNMENT
Titem
tem
No. Tuning
description Validranoe Remarks
Frequency 0-255
aRF
power 0-255 Three-point
adiustment
2L RF
power(Low) 0-255 Low
2C RF
power(Center) 0-255 Center
2H RF
power
(High) o-255 High
Signaling
balance 0-255
4Maxdeviation 0-255 Three-point
adjustment
Ál Maxdeviation
(Low) 0-255 LOW
4c Max
deviation
(Center) o-255 Center
4H Max
deviation
(High) 0-255 High
OT
deviation 0-255
oSensitivity 0-255 Three-pointadjustment
OL Sensitivity
(Low) 0-255 Low
6C Sensitivity
(Center) 0-255 Center
6H Sensitivity
{High) 0-255 Hish
7Squelch o-42
Table7
Paneltuningstatetransition
Three-point
adjustment
4L MAX DEVLOW
Data
save,next
item
CH
DOWNkey
Nextitem,
previous
item
MON
key,A key
Table8
22

T1(í68lH
€'
Programming
disk
(K
REALIGNMENT/
TH'tNÈ
Fis.1
6-2.
KPG-4
Description
(Optional
PC
programming
interface
cable)
TheKPG4
is
reededtoconnect
the
TK-768/Htothe
computer.
lthasa
circuit
inthe
D-subconnector
(25-
pin)
casethat
converts
the
RS-232C
lbgiclevelto
TTL
level.
TheKPG-4
plug
isconnected
toexternal
socket
ofthe
TK-768/H
andtothecomputer
byaconversion
cable
(option)with
a9-pin
female
connector
anda
25-
pin
maleconnector.
6-3.
Programming
Software
Description
KPG-29D
isthe
programming
software
forthe
TK-
76BlH,supplied
ona
3.5"or5.25"
floppydisk.
This
soft-
ware
runsunder
MS-DOS
(version
3.3
orlater)
onan
IBM-PCX|,
AT,
orPS2,or
onacompatible
machine.
Datacan
be
inputtoorread
fromthe
TK-768/H,
and
editedonthe
screen.
Programmed
data
canbe
printed.
6.
Transceiver
Programming
6-1.
Introduction
The
TK-768/H
transceiver
is
programmed
usingan
IBM
PCorcompatible
machine,
aprogramming
inter-
face
(KPG-4),
and
a
programming
disk
(KPG-29D)'
Fig-
ure
1shows
the
setup
foran
IBMPC.
6.
iËËtrffiË
6-1.
ffiid!
rK-768/H
+#{[EID{&ffinu PC
f^i.tHtrt
(4H*ëil ) ,ffiË&tr
È,9Ë
(
KPG-4
) ÍfiffiËfim
(KPc-2eD)
frfrffiffirf..fttrÊVffiÍtFáry"áHHK
1
is&i.ïHflfiiÉ,Íàtrl"
(
6-2.
KPG-4
ÊtiË,Hf
(frr+,i+HtJ\ffi&&
tr
Ê,rfr)
ffiKPG-4
iÊÊrK-768tlHffittFyfi|,
&H D
4E!J1S
&#* (25
ft) +á'Ê,+*&Ë,ffi, EIUïE
RS-232
frÍiE
€Ê,+Èx TrL
Ê,+, KPG-4
-ffiÊlrÉ)kffi^
TK-768/
H
fl.ÈFFlffiE,
fi-ffiisÊi.tFtrtEfg&ffi
-ffi+Ë&È
ffi, frw&#,rHÊ!-ffiË
25
fiÊlAlffiB,F-ffiË e
il
f!ëffiE"
6-3.
ffiÍE*í+i.r,Hf;
Kpc-2eD
ËHï rK-768/H
v!ffiffi#l+,u#M&È
frË&, #M#ÊWffifr],ffi,
-ffift3.5tfr' E-ffiË
5.25
tfr. fi#ftqli,'&IBM-PCD(T.
AT
d PS2
t)l&.
-hi8ïnflÊ!*êtJti&8, Ê Ms-Dos
(
3.3
ffidEfiÍÉ!
ffi*) Ttrfr. ffi.Htu#l+trJura
rK-768/I{
5^trffi4
Á TK-?68/TT+ËHryffi, * Htr].U&ffiHiffiH, ffiTË
i.qËÊ!ffiffiEID)+IF{J"
Communication
port
(RS-232C)
24

t
DREALIGNMENT/
TË'TNà
&4. Data
ProgramMode
In
this
mode,data
iswrittenintothe
EEPROM
in
the
transceiver.
When
the
power
isturned
on,data
program
modecanbeentered
immediately.
When
theKPG-4
isconnected
andcommands
canbe
re-
ceived,
'-PC-"
isdisplayed
to indicate
thatdata
pro-
gram
mode
hasbeenentered.
Tuningcan
bedone
usingan
IBMPCand
KPG-29D,
inthe
same
wayas
in
panel
tuning
mode.
Youcan
carry
out
panel
tuning
byselecting
testmode
onthe
KPG-29D
menuscreen
and
followingthe
instructions
onthe
screen.
See
theKPG-29D
instruction
manual
fordetails.
6-5.
Clone
Mode
(Figure
2)
Programmed
data
is
transferred
from
onetrans-
ceiver
to
another
byusing
a
microphone
cable.
1.Turn
theslave
set
on.
2.Hold
down
theCH
tvl key,turn
themaster
seton,
and
keep
theCH
tVl keydown
fortwomoresec-
onds.
"-C-"
appears
on
the
display
toindicate
that
clone
mode
hasbeen
entered.
3.Connect
the
master
setto
theslave
set.
4.Pressthe
MON
keyonthe
master
set.
The
à mark
appears
anddata
issent
from
the
master
set
tothe
slaveset."-PC-'
appears
on
theslave
set
toshow
that
itisreceiving
data.
5.
Whencloning
iscomplete,
the
à mark
onthe
mas-
ter
set
disappears
and
"-C-"
changes
to
"End".
The
slave
set
isautomatically
reset
and
enters
user
mode.
lfcloning
fails,
the
master
set
shows
"ErrOr".
Re-
peat
steps
4and
5.
lf you
wishto clone
several
sets,
switch
each
of
them
on
and
rePeat
4and
5.
Note
:Do
not
connect
an
user
mode
radio
tothe
other
user
mooe
one.
TK-768/H
6-4.
ffiffiffifËË't
4rtrË* +, ïEffi Ëi.ft
ËÊ!ryffi5^iÉ'íà{/t
Êt
EEPROM,
EÉffi&iEE, trIUiFlJË^frffiffiËË
fr" EKPc-4
iS&iÍEFpEU&&ffi+.
E.EzrFttr
tB"-PC-" tÍ#,É, ffitziff^fryffiffiËËfr.
trIU&,ffi
rBMPC
+^i.tHtJrffl
KPG-29
x{iE'fÈ{nrË
íÍiEifr
, ÈËÍflm&rfiiil&fr+É!ÈËffi
lEl.
iÉ;S
rpc-
2e
ffiH#4+ É!
ËFiflliil&m
fEH,tHJۃt
Ëz\iË'
EE
EI
Dl
q4,Effi
iEiil, i+rE
^ëiË4w Y,ffi-zgD
Pï&ffi
ifi,EE
"
6-5.€ftilËrt
(K2)
&ffi
iÉË
Ê,rfr
EI
u)B
- áiÉG'trr
B
ffi
Í-ËiAËÊ!
frffi
,í€ffi
9J
fi-.êtElE
Ê!iÉ'ÍÈm
+.
1.
ÊiÉ "+ï^" É!Ê,w"
2.
&4È
"&t[" Ê!cHvffi,&iÉÈw, ,í*ffi&'íÈcHv
ffiWffffiUL,
Ë9J'BzsFtfi4T "-c-" tÍË,
#r^Efr.^Ffit|Èfr"
3.ë& 'Ët[" f,fl
"ftrl" o
4.
& "&trl"
É!MoN@,
-EziFtfrll,a&Íf;, +zs
ryffiÉÁ "Ëry["
[il '+t[" iAN, & "Í4t1"Ê!.'E
^ffiJ:tr,luÊgj
'-PC-" +re, #^ "+ul" frE
*&ryffi.
5.
E€ftlJfifiÉ' 'Ët[" Ét,flzrFt'Ê!
à tÍfrïH
X, '- c-
" fifiAÈ "End"
+re, "Ífl" llj
ÊArBHEft|JËfr'
iË^HFËfr.
l[REft{tr&,'&'il1" Ê!-'DzÍFiHq
"Enor"
?ffi, f ÉÉE*w|ffifrws"
fiRirtrEáffil-+trtft{*'
+TÏFiÉíËfl
Ê!
Éffi' u á
&,*W4ffitr-W5
ttT-r"
ËË :fiRxnÈàF4bTHF&tt,
ÊZn9.fr:frFfttl
Ë&"
,
D
b
I25

TK:768/H
REALIGNMENT/T,H'TNÊ/
INSTALLATION
I g#,
t
:i
,i
:
ffi
s
7.
MemoryReset
This
function
initializes
the
data
inthe
EEPROM
of
the
transceiver.
7-1.
OPeration
1.
Hold
down
the
[A]
key
and
turn
the
power
on,
and
keep
thetAI
key
pressed
for
two seconds
to enter
the
initial
mode'
Thedisplay
changes
form
"PrOG"
to
"SEL".
2. Press
theIVOLVI
and
[D/Al
keys
at
the
same
time
to
reset
the
memory.
ffhe
display
does
notchange')
The
model
name,
F
version
and
tuning
data
isnot
initialized.
INSTALLATION
1.
Accessory
Connestion
Gable
(KCT-19
:OPtionl
The
KCT-19
isan
accessory
connection
cable
for
connecting
external
equipment.
The
connector
has
15
pinsand
the
necessary
signal
linesare
selected
for
use.
1-1.
Installing
the KCT-19
inthetransceiver
1.
Remove
theupper
and
lower
halves
ofthetrans-
ceiver
case'
and
liftthe
DCcord
bushing
(o) from
the
chassis.
2.
Remove
the
pad
(e).
t#
f
.isÊÈrËEil'í+
(
rcr-r
e
:iË[6
)
Kcr-
le
Ë- &E
ïË&tl.*FiAá ÉtËÊÊ.rrË.
ÍL
É
ffiRá ts
RÊffi
4 U
iËH
tfffi
$J
lÈÊtÈ'.
1
-1
.
EiE'íËtJtÊ
Ê# Kcr-1s
i. ry.TlÉ'íàflÉ0iTtrtÊ'
fÁflÈiËËËffiÈW+
*,ffiq*EÊ
(o) "
2.
HT4.H
(o) .
7.
ïFfËËË€{È
xf
iÉíàil
Ét
EEPROM
EtÈ#fïE
Mfr
#.ryJffi
4t'
"
7.1.RTÊfrW
1.
&,ítIAJ
6Ë,ïTrÈwfi* ,M&&lt IAJ
6Ê'
',íx
#!\ z
tlffi, [{it^ïxlÊ'Ëtt"
)t^UJffi+WHtt,
.'EzÍFtftfrgA
rPrOG:
+re, *
ES4' rSELr
?ffi.
2.
&4È
(VOLV)
fi*'& (D,/A)6Ë,
I|lXfFffi**E&
ffi44'
ttfrffiU eË
ifr
ffi
ffi
Tfr:fr
UJffi
+l'
"s
{
0
C
(
Fig.l
26

$
B
I
I
I
$
g
INSTAL1ATION
I T#,
3.lnsertthe
KCT-I9
cable
(
O) intothechassis
(
@).
Thewireharnessband
(@
)mustbe
insidethe
chassis.
4.Relocate
theDCcordbushinginthechassis
(
G)).
5.
Connectthe KCT-19 to the
TX-RXunit
(A/2)
as
shown
inFigure2
(Ol.
6.Connectthe
KCT-19totheexternalaccessoryby
in-
serting
thecrimp
terminal
(
G))
intothesquare
plug
(G)
),
botnof
whicharesuppliedwiththeKCT-19.
O Square
plug
(E09-1
571-05)
3.
4.
5.
6.
TK76B/H
)B
KCT-19
Ê,4fi
(O) ïÉ^í!J/ÈE
(O) " Ht_Ètfrfr
tftÈ,ffiEt-*,B.
(O) ÊJÈF.
É,trI4Ëtft
É,'ffi+tÈ&geê€Ë#tr/ÈB (
@) .
lrKl
2 (o) trm, )B Kcr-le
i€&t!J
rx-RX
+Í
(N2)"
iEiÍ1Effiiaffi
+ffi^ÈMffiX (O) (
mááFÍr
KCr-
le
-É€{*) t+
Kcr-leis&tljfl.ÈFpt'},í+
(o) .
àhs
eFá"N
t G)
crimo terminal
Fig.2
27

TK76B/H INSÏALLATION/
Ë#
1-2.
Terminal
function
. Refer
toTerminalfunction
onpage
74,ifneed
description
indetail.
. Connect
CN5oftheradioto connector
Cofthe KCT-19 insteadofto theinternalspeaker
connector,
if useexternalspeaker
15-pin
ACC
terminal
. fRf
. ln*&ffitl.ÈF,VrF#,
WT,&HA.&Ê!
cN5
Ë&3J
KcI-19
&* C,L.m6EÊ*FtrZF{Ë&*"
2A
No.
{A) No.
(B,C,D,E)
Name Function (AP-1
lnstllate(
A-1 u-z HK MIC
hooksignal
input. Onhook:'L", Offhook:"OPEN' (-
A-2 D-5 ME MICGND (-
A-3 U.J IGN lgnition
input
for KCT-18. <_
A4 D-1 DEO Detection
signal
output. Outputimpedance: 1kO orless,
Output
level
:450mVrms
(Standard
modulation),
Outputfrequency
response:0-3kHz flat <-
A-5 D-6 MI External
MICsignal
input. Internal
MIC
signaloutput.
(Standard
modulationat600Q,
SmV) e-
A-6 B-2 EGND (-
A-7 B-3 SB DC
power
supply
after
power
switchon. DC
13.6V1157o
(11.6V-15.6V),
Max.1A €-
A-8 D-7 PTÏ External
PTTsignal
input. PTTon;'1",
PTT
off :"OPEN" ê-
A-9 D-4 DI Data
modulation
signal
input. Input
impedance: 1OkQ
ormore,
Deviation
:3kHz
or
more
(4.5VPp
input,Maxdev.4.1kHz)
Frequency
response
: +1/-3dB
(1
kHz
= OdB)atDC-9.6kHz
<-
A-10 ó-l HOR Hornalert
control
signaloutput.
"L'level
during
horn
drive:max.Signal
outputfor hornrelaydrive
(open
collector),
sinkcurrent
100m4 HR1
u-ó SO Notused. (-
A.l2 SP Audio
outout. 4Wat
4f,)lessthan5%distortion. HR2
A-13 tr-l AM Audiomute
signal
input.
Mute:
-H",
Unmute
:
'OPEN' t-
A-14 E-2 MM MIC
mutesignal
input.
Mute:
"H",
Unmute
:
"OPEN" e-
A- tc FSW Footswitch
(for
emergency)
signal
input.'L' : Emergencymodeentry.
s
s
{
{
{
(
(
ffi+uÉE
frË
(A) fr€ (B,C,D,E) &ffi **
4J áV KAP-IÉl#
A-t D-2 HK ËËFt#ffiffi^" Ët[: "L" , ffitÍt: "OPEN"
o(-
A-2 D-5 ME ËÊFl*tr" e-
A-3 D-3 IGN Kcr-18 Ê!,f;rkffi^" (-
A4 D-l DEO &ru{à€ffis"ffi
ÊEfi :lKo
E[E4\o
ffi&Ê+:
450mVrms
(tÍI&iEft'I),
ffiHtr+q"l&
:0-3kHz
YlË." e-
A-5 D-6 MI ffiH. (eooo,
5mv
TÊltÍlËiEfttl) (-
A-6 D-2 &il. (-
A-7 B-3 SB ffi157o (11.6V-i5.6v)'
Ët lA" e-
A-8 D-',l PIT tFÈF
Prï{à€ffi^. (--
A-9 D4 DI fi#iAS'JË'€ffiH.
ffi^Bfi :loKo
4Ft"
,ÍÊË
:3KHzfrEt
(4.svp-p5^'
ËffrË 4.1KHz.)
.
tr+rÊJÈ
:ËDC-9.6
kHzFf
+
1/-3dB
(lkHz:0dB)
(-
A-10 B-l HOR 4 !'-EilÊfilË€ffi
s" 4{ry|,4
È,*sgEa
(
f +É,&
) "
4lrylUAB.J
"1"
Ê,+:
ËtrytlÊ,m
loomA. HRI
A-ll D-8 sQ &Ê'ËH" (-
A-12 c-r SP Ëffiffi*. 4()
Efi , 4w
ffi^F{' f-HA'Í 5Vo" HR2
A-13 E-l AM ffiF#È:"9PEN". (-
A-14 E-2 MM ffi"H",1FffiÈ: "oPEN"o (-
A-15 E-3 TXS ffi^gáËfr" (-

$
IINSTALLATION/
Ë4Ë
Fig.3 \KCT-18
TK.76BIH
2.
,Ë.)tËHË*ÊrË
(
rcr-t a:iËlt6
)
Kcr-1
8Ë
- &ffiT&ffi,f,,44rfrEffJffiWï&sfr, É.^
tJÊVffi.ítÍÊV,
ffiit+,S
^ ffro
fI fr4 * l{rÉ.íàó[, É
ffi
.
lnRífi
ffi4{Ul.gÍË4Ê8,ltfi
pI
l\#ffi R
^+Atufr+
ÊtFf.íÊ*tïJÍtrrÊ8.
2-
I.
{íKcr-
18i5&
Eil
iË.iËtflt.
"
1.
)K
KCr-19
#^iÉ.íÈt[" (
4E rCr-re
*Fr]
)
2.
:F
Kcr-18
É!+gtffiÍ (o) ïÉ^5 Kcr-le
-HË
Hffinf(ffi*€ffi I (o), ffiÉt9ÈMtÉ*ïÉ^
Kcr-leis&#$
(o) .
2.lgnitionSense
Cable
(KCT-I8
:Option)
TheKCT-18
isanoptional
cableforenablingthe
igni-
tion
function.The
ignitionfunctionlets
you
turnthe
power
to thetransceiveronand
off withthecar
ignitionkey.
lfyou usetheHornAlertfunction,
you
canturnthe
function
off
while
drivingwith
the
ignitionkey.
2-1.Gonnecting
theKCT-I8 to thetransceiver
1.Install
the
KCT-19
inthetransceiver.
(See
the
KCT-
19
section.)
2.
Insertthe
KCT-18lead
terminal
(
Q))
into
pin
3
ofthe
square
plug
(
O )
suppliedwith
theKCT-19,thenin-
sertthesquare
plug
into
theKCT-19connector
(o).
E
)
E
I
b29

Tt+768/H
2-2.
ModifYing
thetransceiver
Modify
the
transceiver
as
follows
toturn
the
power
or
the
Horn
Alert
function
on
and
off
with
the
ignition
key.
1.
Remove
the
lower
half
ofthe
transceiver
case'
2.
Set
jumper
resistors
(0O)
R5and
R6ofthe
TX-RX
unit
(A/2)
as
shown
in
Table
1.
INSTATLATION
I g#,
2-2.M&iHÊtI
in'r
rn*vujÉtËfl, t]&
ffi,fi,*fn
roïTf
Ír
xm
Éw44UJlg+84É9"
1.
H.Ë
jÉ{È'trrffi
T+ÈFr}"
2.
trn*.LtfrmË*
rx-nx
+iÉ(N2)
ie) nsf,flR6" Ê{BbrtÊffi.
(08ft
i;
ír
lr
Ooeration
when KCT-I8
isconnected R5 R6
Enable Enable
Power on/ofÍ and Horn AleÉ on/off Disable Enable
Horn AleÉ on/off Enable Disable
Disable Disable
Table
I R5
and
R6
setuP
chart
The
Horn
Alert
function
can
be
turned
on
and
off
only
ifthe
function
has
been
assigned
to
the
AUX
keY.
EEtKcr-l8Ef
É!*fF R5 R6
&+Fffi ËtFffi
frffifr,/*ewq\*frfr,/x A&TFffi frTFffi
Nq\Êfr.fr,/* EtFffi AfrTFffi
r.E+FHAE+Fffi
<--KCT-Í8 cannot be connected
<- Power cannot be turned on
<- 4ÉEë*KCT-18
<- TÉ€ïTffIbF
tt R5fnR6Ê#El
.F,Ë'4dr./\gf
fUrÊU'rlWthAIxf
Ef
tfa+1f q,XnttrfÊ"
30

-
TK-768/H
3.Fáfi#tHrt
s-r.
ffiS
trJ
)ffi
4iÉ,ÍË'{/r4#
frtrá FÊ.ttA&rtf )F H
q+
ïË+Ër. fiRAfl (ff{fififfi+dilt)
iË-L-+ft*à
#, lfi,HawjLisffig*tiï+tr&-LÉ!ffiffi
fr+, É
-
+ËÈËÊaÊË-+kê.{à€.
E
)F
Émf te4ÊEt{At[&ffi
'Eas+$
oN/oFF
frJe
trtÊVffiVJffi
HmfXHt,4D/HiÉ
FÊ.{#ËrtÊË&itr
ffio iÉit*EiËfl6É!
KAp-1
t#flJwv\,/ ffJt
g[a# Ë,+$
ffisË,ffi#wËq#sljiE{ÈóftÊr, FJ]J& ^ÈFIhF#tg
ill
dÍTtÉht,Às,
D)g#tÈtil#
"
INSTALIÁTION
I T,#,
3.EmergencyMode
3-1.Outline
Thetransceivercanbe
modified
tohave the
emer-
gency
modeand
installed
inthecar.
lf
thedriver
(such
asataxidriver)encountersarobber,he cantransmit
an
emergencysignaltoabasestation
automaticallyby
treading
onthefootswitchinstalledonthe
floorof
the
car.
Theemergencymodecanbeactivated
when
the
power
switchisturnedoff bychangingthepower
switch
function
totheLCDdisplayONiOFF
switch
function.
Anexternalspeaker
may
besoundedor
lightsmay
be
flashedinemergencytowarnrobbersbymodifying
theoption
KAP-I
totheHorn/Light drive
relayoutput
circuitand
installingitin
thetransceiver.
. Emergency
mode
systemchart
r1: TheemeÍgencychannel
is
the
highest
channel
inwhichthere-
ceive
frequency
isstored.The channel
indicator
does
not
change,butadotlights to indicate thatthetransceiver
hasen-
teredtheemergency
mode.
*2:The
transceiversends
the
preset
DTMF
code
(SOS)
Íirst,
and
thentransmitsthesituation
in
thecar,
whichis
picked
upwith
themicrophone.The
transmission
indicator
does
not
light
dur-
ing
transmission.
*3: lfthebase
stationacknowledgestheemergency,thedotlights.
14:
Hold
the
foot
switchagainforaboutonesecond.
)
D
D
)
D
I
il
(Hold
it downfor aboutonesecond,)
TX25sec.e+ RX5 sec.
Emergency
ACK
code
receive
I key+ Foot
SW 1push
[D/A]
key1
push
*2,
*3.
*Á
KáËËÊËËÉE{àË,E
È,1-"
Éffi#áÊ&fi +",íàiË#fr r
êEÍA,Eê,f; Ê-+@,f;
UffifriEïÈfl
B
tr^H'áS#&fr .
iníÈ lfnÊ íÊÈiËfiiA
Ê!
DrMF
(SOS)
ftíg, f FËrËÈtÊX,
e&ffi+ÊHn,.&ËiËËË+
ËË#fr{*7FH.
ru*4iliáÈ#&ej kátrd1Ë'€,El,f;,fr
H.
Fffi&ffiHfr*q-fj"
Fig.5
31