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Extracted text from Kenwood TK 260 G Service Manual (Ocr-read)
Page 1
TK-260G/270G
2
GENERAL / SYSTEM SET-UP
INTRODUCTION
SCOPE OF THIS MANUAL
This manual is intended for use by experienced technicians
familiar with similar types of commercial grade communications
equipment. It contains all required service information for the
equipment and is current as of the publication date. Changes
which may occur after publication are covered by either Service
Bulletins or Manual Revisions. These are issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment information,
the full part identification number should be included. This
applies to all parts, components, kits, or chassis. If the part
number is not known, include the chassis or kit number of which
it is a part, and a sufficient description of the required
component for proper identification.
PERSONNEL SAFETY
The following precautions are recommended for personnel
safety:
lDO NOT transmit until all RF connectors are verified secure
and any open connectors are properly terminated.
lSHUT OFF and DO NOT operate this equipment near
electrical blasting caps or in an explosive atmosphere.
lThis equipment should be serviced by a qualified technician
only.
SERVICE
This radio is designed for easy servicing. Refer to the
schematic diagrams, printed circuit board views, and alignment
procedures contained within.
NOTE
WE CANNOT guarantee oscillator stability when using
channel element manufactured by other than KENWOOD or
its authorized agents.
Unit
X57-587X-XX X54-325X-XX
Model & Frequency range Remarks Helical Antenna Charger Battery 16 Key
destination 0-10 0-11 0-21 0-10
TK-260GK_ÐOPÐ
M_Ð
150~174MHzIF1 : 49.95MHz_
OP OPÐ
TK-270GK__LOC : 50.4MHz OP_
M__ _ _
SYSTEM SET-UP
Merchandise received
License and frequency allocated by FCC
Choose the type of transceiver
Transceiver programming
Delivery
Are you using the speaker microphone?TX/RX 150~174
5.0WTK-260G K,M TK-270G K,M Frequency range (MHz) RF power Type
A personal computer (IBM PC or compatible), programming
interface (KPG-22), and programming software (KPG-56D)
are required for programming.
(The frequency, TX power HI/LOW, and signalling data are programmed
for the transceiver.)
YES
NO KMC-17 or KMC-21
Speaker microphone
(Option)
Page 2
TK-260G/270G
3
OPERATING FEATURES
1. Operation Features
¥ TK-260G
Antenna
A 3 2 1
B 6 5 4
C 9 8 7
D
0
q qq q
q
e ee e
e
r rr r
r
t tt t
t
y yy y
y
u uu u
u
i ii i
io oo o
o
!0 !0!0 !0
!0 w ww w
w Microphone
Speaker
The transceiver is shown with the optional KNB-14 battery pack.
q qq q
qRotary encoder
Your dealer can program the encoder as either
Group Up/Down or Channel Up/Down (default
setting). Rotate to select a group or channel. Also
rotate to adjust the squelch in Squelch Adjustment
mode.
w ww w
wLED indicator
Lights red while transmitting. Lights green while
receiving. Flashes orange while receiving a Code
Squelch code or a Selective Call code, or a 2-Tone
or DTMF signal that matches the one set up in
your transceiver. Flashes red when the battery
power is low while transmitting.
e ee e
ePower switch/ Volume control
Turn clockwise to switch ON the transceiver.
Rotate to adjust the volume. To switch OFF the
transceiver, turn counterclockwise fully.
r rr r
rPTT (Push-to-Talk) switch
Press this switch, then speak into the microphone
to call a station.
t tt t
tSide 1 key
This is a PF (Programmable Function) key. Press
it to activate its auxiliary function (page 4).
y yy y
ySide 2 key
This is a PF (Programmable Function) key. Press
it to activate its auxiliary function (page 4). Programmable Auxiliary Functions
Side 1 key and Side 2 key can each be programmed
with one of the following auxiliary functions:
¥Monitor A (Monitor UnmuteÐMomentary): Press and
hold the Monitor key to hear background noise. Release
the key to return to normal operation.
¥Monitor B (Monitor UnmuteÐToggle): Momentarily
press the Monitor key to hear background noise. Press
the key again to return to normal operation.
¥Monitor C (Carrier SquelchÐMomentary): Press and
hold the Monitor key to deactivate QT, DQT, 2-Tone, or
DTMF signalling. Release the key to return to normal
operation.
¥Monitor D (Carrier SquelchÐToggle): Momentarily
press the Monitor key to deactivate QT, DQT, 2-Tone, or
DTMF signalling. Press the key again to return to normal
operation.
¥None: No function.
¥RF Power Lo: Press the RF Power Lo key to toggle the
output power of a channel between high and low. This
can only be used for channels that have been
programmed with high power. Pressing RF Power Lo
while using a channel programmed with low power
Microphone
Speaker
Antenna
Channel selector
Rotate to select a
channel (1 ~ 8).
LED indicator
Lights red while
transmitting. Lights
green while receiving.
Flashes orange while
receiving a 2-Tone or
DTMF signal that
matches the one set
up in your transceiver.
Flashes red when the
battery power is low
while transmitting.Power switch/
Volume control
Turn clockwise to
switch ON the
transceiver.
Rotate to adjust
the volume. To
switch OFF the
transceiver, turn
counterclockwise
fully.
PTT (Push-to-
Talk) switch
Press this
switch, then
speak into the
microphone to
call a station.
Side 2 key
Press to
activate its
programmable
function. Side 1 key
Press to
activate its
programmable
function.
SP/MIC jacks
Connect an
optional speaker/
microphone here.
The transceiver is
shown with the
optional KNB-14
battery pack.
causes an error tone to sound. (When changing a
channel from high to low power, all channels
programmed with high power are changed to low.)
¥2-Tone Encode Select: To transmit using a 2-Tone
code, press the PTT switch and the 2-Tone Encode
Select key, then speak into the microphone in your
normal voice.
Release the PTT switch and 2-Tone Encode Select key
to receive.
¥ TK-270G
Page 31
TK-260G/270G
32
EF
1
2
3
PACKING
32.PACKING FIXTURE
(H12-1487-02)
4. CAP (SP/MIC)
(B09-0351-03)34.PROTECTION BAG
(H25-2012-04)45.BELT HOOK
(J29-0624-03)
7. WARRANTY CARD
(B46-0470-00) : K 33.PROTECTION BAG
(H25-0085-04)
8. INSTRUCTION MANUAL
(B62-1113-00) : 270G
9. INSTRUCTION MANUAL
(B62-1129-00) : 260G
41.SP/MIC HOLDER
(J21-4493-04)M. SCREW SET
(N99-2012-05)
32.PACKING FIXTURE
(H12-1487-02)
UPC CODE LABEL
35.ITEM CARTON CASE
(H52-1413-02) : 270G
36.ITEM CARTON CASE
(H52-1417-02) : 260G
ANT. HELICAL ANTENNA
(T90-0679-05) : M
Page 34
TK-260G/270G
35
H.P.O.W. . 1.ADJUSTMENT
K,M 150-174(MHz)
TEST Ch RX frequency (MHz) TX frequency (MHz)
L 150.05000 150.00000
LÕ 156.05000 156.00000
M 162.05000 162.00000
HÕ 168.05000 168.00000
H 173.95000 174.00000 Press [
°
], to enter tuning mode. Use the [2 ] key to write
tuning data through the tuning modes, and the channel selector
knob to adjust the tuning requirements (1 to 256 appears on
LCD).
Use the [3] key to select the adjustment item through the
tuning modes. Use the [l] key to adjust 3 or 5 point tuning,
and use the [LAMP] key to switch between Wide/Narrow.Panel Tuning Mode
LCD display (Tuning mode)
Adjustment item
Adjustment (1~256)
Point tuning indicator
Wide/Narrow indicator
( )
OFF : Wide
ON : Narrow
n Tuning mode
M A X . Max deviation (Narrow)
F Q T . QT fine deviation(Narrow)
F D Q T . DQT Fine deviation(Narrow)
D T M F . DTMF Fine deviation(Narrow)
T O N E . Sigunal tone fine deviation(Narrow)
[LAMP]
[LAMP]
[LAMP]
[LAMP]
[LAMP]
M A X Max deviation (Wide)
F Q T QT fine deviation(Wide)
F D Q T DQT Fine deviation(Wide)
D T M F DTMF Fine deviation(Wide)
T O N E Sigunal tone fine deviation(Wide)
H P O WHi Power
L P O WLow Power
H.POW Hi Power (Low) H.P.OW Hi Power (Low ) H.P.O.W Hi Power (Cen) H.P.O.W. Hi Power (Hi) H.P.O.W. . Hi Power (Hi)
B A T T Battery warning level(Wide)
S E N SSensitivity
L.POW Low Power (Low) L.P.OW Low Power (Low) L.P.O.W Low Power (Cen) L.P.O.W. Low Power (Hi) L.P.O.W. . Low Power (Hi)
.M A X Max deviation (W, L) .M.A.X Max deviation (W, C) .M.A.X. . Max deviation (W, H)
.F Q T QT fine deviation(W,L) .F.Q.T QT fine deviation(W,C) .F.Q.T. . QT fine deviation(W,H)
F.D Q T DQT Fine deviation(W,L) F.D.Q.T DQT Fine deviation(W,C) F.D.Q.T. . DQT Fine deviation(W,H)
S.E N SSensitivity (Low) S.E.N.S Sensitivity (Cen) S.E.N.S. .Sensitivity (Hi)
Wide
V Q T
. Narrow Narrow
QT VCO balance(Narrow)
X Q T . QT TCXO balance(Narrow)
[LAMP]
[LAMP]
V Q T QT VCO balance(Wide)
X Q T QT TCXO balance(Wide)
.V Q T QT VCO balance(W,L) .V.Q.T QT VCO balance(W,C) .V.Q.T. . QT VCO balance(W,H)
.X Q T QT TCXO balance(W,L) .X.Q.T QT TCXO balance(W,C) .X.Q.T. . QT TCXO balance(W,H)
V D Q T . DQT VCO balance(Narrow) [LAMP] V D Q T DQT VCO balance(Wide) V.D Q T DQT VCO balance(W,L) V.D.Q.T DQT VCO balance(W,C) V.D.Q.T. . DQT VCO balance(W,H)
X D Q T . QT TCXO balance(Narrow) [LAMP] X D Q TQT TCXO balance(Wide) X.D Q T QT TCXO balance(W,L) X.D.Q.T QT TCXO balance(W,C) X.D.Q.T. . QT TCXO balance(W,H)
Wide
S Q L 3
.
Narrow
Squelch open(Narrow)
R S S I . RSSI (Narrow)
[LAMP] S Q L 3Squelch open(Wide) R S S IRSSI (Wide)
S Q L 9 . Squelch tight(Narrow) [LAMP] S Q L 9Squelch tight(Wide)
Wide
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