This service manual applies to products with 50300001 or subsequent serial numbers.
In terms of the products with the serial numbers earlier than 50300001, refer to the TK-7102H service manual as per part No.
B51-8610-00 and B51-8627-00.
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 this publication
date. Changes which may occur after publication are covered
by either Service Bulletins or Manual Revisions, which 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, and 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 :
•DONOT transmit if someone is within two feet (0.6
meter) of the antenna.
•DONOT transmit until all RF connectors are secure and
any open connectors are properly terminated.
• SHUT OFF this equipment when near electrical blasting
caps or while in an explosive atmosphere.
• All equipment should be properly grounded before power-
up for safe operation.
• This equipment should be serviced by only qualified tech-
nicians.
PRE-INSTALLATION CONSIDERATIONS
1. UNPACKING
Unpack the radio from its shipping container and check for
accessory items. If any item is missing, please contact
KENWOOD immediately.
2. LICENSING REQUIREMENTS
Federal regulations require a station license for each radio
installation (mobile or base) be obtained by the equipment
owner. The licensee is responsible for ensuring transmitter
power, frequency, and deviation are within the limits permitted by the station license.
Transmitter adjustments may be performed only by a licensed technician holding an FCC first, second or general
class commercial radiotelephone operator’s license. There is
no license required to install or operate the radio.
3. PRE-INSTALLATION CHECKOUT
3-1. Introduction
Each radio is adjusted and tested before shipment. However, it is recommended that receiver and transmitter operation be checked for proper operation before installation.
3-2. Testing
The radio should be tested complete with all cabling and
accessories as they will be connected in the final installation.
Transmitter frequency, deviation, and power output should
be checked, as should receiver sensitivity, squelch operation,
and audio output. Signalling equipment operation should be
verified.
4. PLANNING THE INSTALLATION
4-1. General
Inspect the vehicle and determine how and where the radio antenna and accessories will be mounted.
Plan cable runs for protection against pinching or crushing
wiring, and radio installation to prevent overheating.
4-2. Antenna
The favored location for an antenna is in the center of a
large, flat conductive area, usually at the roof center. The
trunk lid is preferred, bond the trunk lid and vehicle chassis
using ground straps to ensure the lid is at chassis ground.
4-3. Radio
The universal mount bracket allows the radio to be
mounted in a variety of ways. Be sure the mounting surface
is adequate to support the radio’s weight. Allow sufficient
space around the radio for air cooling. Position the radio close
enough to the vehicle operator to permit easy access to the
controls when driving.
4-4. DC Power and wiring
1. This radio may be installed in negative ground electrical
systems only. Reverse polarity will cause the cable fuse to
blow. Check the vehicle ground polarity before installation
to prevent wasted time and effort.
2. Connect the positive power lead directly to the vehicle
battery positive terminal. Connecting the Positive lead to
any other positive voltage source in the vehicle is not rec-
ommended.
3. Connect the ground lead directly to the battery negative
terminal.
4. The cable provided with the radio is sufficient to handle
the maximum radio current demand. If the cable must be
extended, be sure the additional wire is sufficient for the
current to be carried and length of the added lead.
2
GENERAL / SYSTEM SET-UP
TK-7102H
5. INSTALLATION PLANNING – CONTROL STATIONS
5-1. Antenna system
Control station. The antenna system selection depends on
many factors and is beyond the scope of this manual. Your
KENWOOD dealer can help you select an antenna system
that will best serve your particular needs.
5-2. Radio location
Select a convenient location for your control station radio
which is as close as practical to the antenna cable entry point.
Secondly, use your system’s power supply (which supplies
the voltage and current required for your system). Make sure
sufficient air can flow around the radio and power supply to
allow adequate cooling.
SERVICE
This radio is designed for easy servicing. Refer to the
schematic diagrams, printed circuit board views, and alignment procedures contained in this manual.
NOTE
If you do not intend to use the 3.5-mm jack for the external
speaker, fit the supplied speaker-jack cap to stop dust and
sand from getting in.
Antenna
connector
Power input
connector
Speaker
jack cap
SYSTEM SET-UP
Merchandise received
License and frequency allocated by FCC
Choose the type of transceiver
Transceiver programming
KES-3
External speaker
(Option)
Modem GPS receiver or
Modem GPS controller
KCT-39
Connection cable
KCT-36
Extension cable
KGP-2A
KGP-2B
Frequency range (MHz) RF power
146~17450WK,M
136~16250WK2,M2
See page 8.
A personal computer (IBM PC or compatible), programming interface (KPG-46),
and programming software (KPG-70D) are required for programming.
(Option)
KCT-18
Ignition sense cable
Delivery
or
Mobile data
(Option)
KDS-100
terminal
(Option)(Option)
(Option)
Type
3
TK-7102H
OPERATING FEATURES
1. Controls and Functions
1-1. Front Panel
q
wetr
u
y
1-2. Microphone
o
q (Power) switch
Press to switch the transceiver ON. Press and hold for
approximately 1 seconds to switch the transceiver OFF.
w ▲ key
Press to increase the volume level.
e ▼ key
Press to decrease the volume level.
r ● key
PF (Programmable Function) key. The default setting of
this key is None (no function). The programmable functions available for this key are listed below.
key
t
PF (Programmable Function) key. The default setting of
this key is Monitor. Other programmable functions available for this key are listed below.
y 1/ 2/ 3/ 4 keys
Press to select a channel from 1 to 4.
u Microphone jack
Insert the microphone plug into this jack (the microphone
is an optional accessory).
i Speaker
Internal speaker.
o PTT switch
Press this switch, then speak into the microphone to call a
station.
i
1-3. Auxiliary Programmable Functions
• Emergency• Scan On/OFF
• Key Lock• Talk Around
• Monitor• Temporary Delete
• None (no function)• AUX
• Horn Alert• Scan + Temporary Delete
1-4. Display
IndicatorDescription
Light while transmitting.
Lights when a signal is detected on
the currently selected channel.
Lights while the function programmed
onto its corresponding key is activated.
Lights while the function programmed
onto its corresponding key is activated.
Lights to display the currently selected
channel (1~ 4).
1-5. Rear panel
Antenna
connector
Power input
connector
External
speaker
jack
4
OPERATING FEATURES
TK-7102H
2. Operation Features
The TK-7102H is a VHF FM radio designed to operate in
conventional format. The programmable features are summarized.
3. Transceiver Controls and Indicators
3-1. Front Panel Controls
All the keys on the front panel are momentary-type push
buttons. The functions of these keys are explained below.
• POWER key
Transceiver POWER key. When the power is switched
off, all the parameters are stored in memory. When the
power is switched on again, the transceiver returns to the
previous conditions.
• CHANNEL keys
• MONITOR key (Programmable)
• ● key (Programmable)
• VOLUME UP/DOWN key
When the key is pressed, the volume level is increased/
decreased and repeats if held for 200ms or longer.
• BUSY/TX LED
The BUSY indicator (Green LED) shows that the channel is
in use. The TX indicator (Red LED) shows that you are transmitting.
3-2. Programmable Keys
The FPU (KPG-70D) enables programmable keys to select
the following functions.
• Emergency
• Key Lock
• Monitor
• Scan ON/OFF
• Talk Around
• Temporary Delete
• None
• AUX
• Horn Alert
• Scan + Temporary Delete
• Emergency
Pressing this key for longer than 1 second causes the
transceiver to enter the emergency mode. The transceiver
jumps to the programmed “Emergency channel” and transmits for 25* seconds.
The transceiver disables mic mute while transmitting. After finishing transmission, the transceiver receivers for 5*
seconds. The transceiver Mute* the speaker while receiving.
Following the above sequence, the transceiver continues to
transmit and receive.
* Default value.
• Key lock
Pressing this key causes the transceiver to accept entry of
only the [Vol Up/Down]*, [Key lock], Microphone [PTT],
[Monitor], [Emergency], and [Power] keys.
* Programmable
• Monitor
Used to release signalling (press once) or squelch (press
and hold for approximately two seconds) when operating as a
conventional. It is also used to reset option signalling.
• Scan ON/OFF
Press this key starts scanning. Pressing this key stops
scanning.
• Talk around
Press this key, the transceiver uses the receive frequency
and the tone for transmission.
The operator can call the other party directly (without repeater). Press this key again, the talk around function goes
off.
• Temporary delete
The “Add” channel contained in the scan sequence, and
“Delete” channel is not contained. In the scan mode, this
key switches the channel delete temporarily (Press and hold
for approximately one second).
When the transceiver is turned off, the transceiver exits
the scan or switches the scan function off.
• None
Sounds error operation beep, and no action will occur.
Use this function when the transceiver is required to be more
simple operated.
• AUX
Press to activate the auxiliary port. Press again to deactivate the auxiliary port. Auxiliary is used with optional boards,
allowing you to activate and deactivate these optional functions. While activated, the AUX icon appears on the display.
• Horn alert
Horn Alert is a useful feature that will notify you of a received call while you are away from your vehicle. The transceiver is programmed to sound the vehicle horn or some
other external alert device (such as the vehicle headlights)
when a call is received that has correct signalling.
• Scan + Temporarily delete
To temporarily remove a channel from the Scan list, press
and hold this key for approximately one second during Scan,
while Scan is paused on the undesired channel, to temporarily remove that channel from the scanning sequence. After switching the Scan function OFF, or switching the transceiver OFF and then ON again, the Scan settings return to
normal.
5
TK-7102H
OPERATING FEATURES
4. Scan Operating
■ SCAN start condition
Two or more channels must be added to all channels that
can be scanned. The transceiver must be in normal receive
mode (PTT off).
When you activate the key programmed to the scan ON/
OFF function, the scan starts. The indicator next to the programmed key LED blinks.
■ Scan stop condition
The scan stops temporarily if the following conditions are
satisfied.
1) A carrier is detected, then QT/DQT matches on channels
for which receive the QT/DQT is set by the programming
software.
2) A carrier is detected on the channels for which receiving
QT/DQT is not set by the programming software or when
the monitor (signalling cancel) function is activated.
■ Revert channel
The revert channel is used to transmit during scanning and
set by the programming software (KPG-70D).
1) Selected channel
The transceiver reverts to the channel before scanning or
the channel that you changed during scan.
2) Selected with talkback
The transceiver reverts to the selected channel prior to
scan initiation.
However, if a call is received on a channel other then the
selected channel and PTT is pressed before scanning re-
sume, the transceiver “talks back” on the current receive
channel.
■ Scan end
When you press the key programmed to the scan function
during scan mode, the scan ends.
The indicator next to the programmed key LED turns off.
■ Temporary delete
It is possible to delete channel temporary during scan.
When scan stops on unnecessary channel for example by interference of the other party, activate the delete function (for
example press and hold the key for approximately one second), then that channel is deleted temporarily and scan restart immediately.
The temporary deleted channels return to pre-set delete/
add channels, when the transceiver is turned off or the scan
function is switched off.
5. Details of Features
■ Time-out timer
The time-out timer can be programmed in 30 seconds increments from 30 seconds to five minutes and off. If the
transmitter is transmitted continuously for longer than the
programmed time, the transmitter is disabled and a warning
tone sounds while the PTT button is held down. The warning
tone stops when the PTT button is released.
■ PTT ID
PTT ID provides a DTMF ANI or MSK ID to be sent with
every time PTT (connect ID at beginning of transmission, disconnect ID at end of transmission, or both).
You can program PTT ID “on” or “off” for each group
channel (DTMF). The contents of ID are programmed for
each transceiver.
The transceiver is capable to have ID. The format is
DTMF. The timing that the transceiver sends ID is programmable.
BOT : Connect ID is sent on beginning of transmission.
EOT : Disconnect ID is sent on end of transmission.
Both : Connect ID is sent on beginning of transmission
and disconnect ID is sent on end of transmission.
There is also “PTT ID” setting for each channel.
■ Off hook decode
If the Off hook decode function has been enabled, removing and replacing the microphone on the hook has no effect
for decoding QT/DQT and option signalling.
■ “TOT” pre-alert
The transceiver has “TOT” pre-alert timer. This parameter selects the time at which the transceiver generates
“TOT” pre-alert tone before “TOT” is expired.
“TOT” will be expired when the selected time passes
from a TOT pre-alert tone.
■ “TOT” re-key time
The transceiver has “TOT” re-key timer. This timer is the
time you can not transmit after “TOT” exceeded. After
“TOT” re-key time expired you can transmit again.
■ “TOT” reset time
The transceiver has “TOT” reset timer. This timer is the
minimum wait time allowed during a transmission that will
reset the “TOT” count.
“TOT” reset time causes the “TOT” to continue even after PTT is released unless the “TOT” reset timer has expired.
■ Clear to transpond
The transceiver waits the transpond of DTMF if channel is
busy until channel open. This feature prevents the interference to other party.
6. Option Signalling (DTMF)
Built-in DTMF decoder is available for option signalling.
It is possible to use individual call, group call, Stun.
If the option signalling matches, a predetermined action
will occur.
If option signalling matches on a channel is set up with
option signalling, the channel LED will flash and option signalling will be released. The transpond or alert tone will sound.
While option signalling matches (or if option signalling is
deactivated when you are transmitting), you can mute or
unmute QT/DQT/Carrier.
6
OPERATING FEATURES
TK-7102H
■ SP Unmute
You can select the type of SP Unmute system for each
channel. The selection is as follows.
Carrier, QT/DQT:
Channel with this option will not check ID Code in order to
open its speaker.
Carrier+DTMF, QT/DQT+DTMF:
Channel that is set with this option will have to check for
ID Code in order to open its speaker.
Default:
Carrier, QT/DQT.
SP unmute
CarrierNone NoneCarrierSounds
Carrier+DTMF
QT/DQTYesNoneCarrierNot Sounds
QT/DQT+DTMF
Channel setting
QT/DQT
DTMFcondition
YesCarrierSounds
None YesCarrierNot Sounds
YesCarrierNot Sounds
YesYesCarrierNot Sounds
RX conditionSpeaker
Carrier+DTMFSounds
Carrier+DTMFSounds
Carrier+QT/DQTSounds
Carrier+QT/DQTSounds
Carrier+QT/DQT+DTMF
Carrier+DTMFNot Sounds
Carrier+QT/DQTNot Sounds
Carrier+QT/DQT+DTMF
Carrier+DTMFNot Sounds
Sounds
Sounds
7. Audible User Feedback Tones
The transceiver outputs various combinations of tones to
notify the user of the transceiver operating state.
Refer to the help file on the KPG-70D, regarding the func-
tions that are not listed below.
■ Stun on tone
When a stun code is received, transpond tone sounds.
■ Stun off tone
When a stun release code is received, transpond tone
sounds.
■ Group call tone
Sounds when a group call with the correct DTMF option
signalling is received, repeats 7 times. You can select yes or
no in the Alert tone level setting.
■ Individual call tone
Sounds when an individual call with the correct DTMF option signalling is received. You can select yes or no in the
Alert tone level setting.
■ Key input error tone
Sounds when a key is pressed but that key cannot be
used. You can select yes or no for the optional feature's
warning tone.
■ Transpond tone
Sounds when an individual call with the correct DTMF option signalling is received. For group calls, only the group
tone will sound, not the transpond tone.
Note :
When QT/DQT is not used, QT/DQT and QT/DQT+DTMF
can not be selected.
When DTMF is not used, Carrier+DTMF and QT/
DQT+DTMF can not be selected.
■ Auto Reset
If option signalling matches a group set up with option signalling, option signalling is released. After matching option
signalling, option signalling will temporarily reset automatically.
■ Stun
If the stun code matches, a predetermined action will occur. Whether option signalling is activated or not, when stun
matches on any channel, the transceiver will become TX inhibited or TX/RX inhibited. While stun is active, if the stun
code + “#” code is received, stun will deactivate.
When stun matches, transpond will function. Alert will
not be output.
■ Pre alert tone
Sounds prior to the TOT TX inhibit activation. If TOT pre
alert is set, the tone sounds at the amount of time programmed, before the TOT expires (TOT time – TOT pre alert
time = Pre alert tone sounding time). You can select yes or
no for the optional feature’s warning tone.
■ Transmit protection
The final FET is protected against heat while transmitting
by making the radio cuts down TX power when the temperature of the final FET becomes higher than reference. After
that, if the temperature continue to rise, transmission is
stopped. The final FET is also protected against over voltage
by having the radio to check that the voltage of power supply
connected to the radio is not higher than about 17V when the
radio is turned on, otherwise it can not transmit. In both
cases when transmission is stopped, a beep will continue to
sound until the PTT key is released.
7
TK-7102H
REALIGNMENT
1. Modes
User mode
PC mode
Clone mode
ModeFunction
User modeFor normal use.
PC modeUsed for communication between the
Data programmingUsed to read and write frequency data
modeand other features to and from the radio.
PC test modeUsed to check the radio using the PC.
PC tuning modeUsed to tune the radio using the PC.
Clone modeUsed to transfer programming data from
Data programming mode
PC test mode
radio and PC (IBM compatible).
This feature is included in the FPU.
one radio to another.
PC tuning mode
2. How to Enter Each Mode
ModeOperation
User modePower ON
PC modeReceived commands from PC
Clone mode[1]+Power ON (Two seconds)
3-2. Connection Procedure
1. Connect the TK-7102H to the personal computer with the
interface cable.
2. When the Power is switched on, user mode can be entered immediately. When the PC sends a command, the
radio enters PC mode.
When data is transmitted from transceiver, the red LED
blink.
When data is received by the transceiver, the green LED
blink.
In the PC mode, 4CH LEDs, [MON] LED and [●] LED are
turned on.
Notes :
• The data stored in the personal computer must match
model type when it is written into the EEPROM.
• Attach the interface cable, then change the TK-7102H to
PC mode.
3-3. KPG-46 Description
(PC programming interface cable : Option)
The KPG-46 is required to interface the TK-7102H to the
computer. It has a circuit in its D-subconnector (25-pin) case
that converts the RS-232C logic level to the TTL level.
The KPG-46 connects the modular microphone jack of the
TK-7102H to the computers RS-232C serial port.
IMC-PC
KPG-46
3. PC Mode
3-1. Preface
The TK-7102H transceiver is programmed using a personal computer, a programming interface (KPG-46) and programming software (KPG-70D).
The programming software can be used with an IBM PC
or compatible. Figure 1 shows the setup of an IBM PC for
programming.
8
KPG-70D
TK-7102H
Fig. 1
3-4. Programming Software Description
The KPG-70D programming disk is supplied in 3-1/2" disk
format. The software on this disk allows a user to program
TK-7102H radio via a programming interface cable (KPG-46).
3-5. Programming With IBM PC
If data is transferred to the transceiver from an IBM PC
with the KPG-70D, the destination data (basic radio information) for each set can be modified.
REALIGNMENT
TK-7102H
4. Clone Mode
Programming data can be transferred from one radio to
another by connecting them via their modular microphone
jacks. The operation is as follows (the transmit radio is the
master and the receive radio is the slave).
Note :
Clone mode should enabled.
1. Turn the master TK-7102H power ON with the [1] key held
down. The TK-7102H [●] LED is turned on.
2. Power on the slave TK-7102H.
3. Connect the cloning cable (No. E30-3382-05) to the modu-
lar microphone jacks on the master and slave.
4. Press the [●] key on the master TK-7102H transceiver.
The data of the master is sent to the slave. While the mas-
ter is sending data, [TX] LED blinked. While the slave is
receiving the data, 4 LEDs, [MON] LED, [●] LED are
turned on and [BUSY] LED blinked. When cloning of data
is completed, the master [TX] LED turned off, and the
slave automatically operates in the User mode. The slave
can then be operated by the same program as the master.
5. The other slave can be continuously cloned. Carry out the
operation in step 2 to 4.
4-1. Adding the data password.
If the data password is set in the optional feature menu,
you must enter the password (Master transceiver) to activate
a clone mode.
you can use 1, 2, 3, and 4 to configure the password. The
maximum length of the password is 10 digits.
5. Accessory Connection Cable (KCT-39)
The KCT-39 is an accessory connection cable for connecting external equipment. The connector has 15 pins and the
necessary signal lines are selected for use.
5-1. Installing the KCT-39 in the Transceiver
1. Lift the DC cord bushing (1) from the chassis. Peel the
pad as shown in Figure 3 (
2. Stick the pad to the DC cord (3) and chassis (4), both
of which are supplied with the KCT-39.
2
1
2
Fig. 3
).
1. [1]+Power ON.
2. [1]~[4] LED, and MON LED are turned ON.
3. Enter the password using [1]~[4] keys.
4. Press [MON] key.
5. If the password matches, the transceiver enters a clone
mode. Otherwise, transceiver beeps and returns to the
password input mode.
Clone cable
(E30-3382-05)
Fig. 2
3
4
Fig. 4
9
TK-7102H
REALIGNMENT
3. Insert the KCT-39 cable (5) into the chassis (6). The
7
wire harness band (
) must be inside the chassis and
face down.
4. Connect the KCT-39 to the TX-RX unit as shown in Figure
8
).
5 (
Avoid forming the wiring towards
the shielding cover closure area.
CN2
Chassis
Cushion
Chassis
Face down
End view of this area
5
7
Wire harness
band (Stopper)
KCT-39
sumi tube
PCB
6
CN3
B
8
A
■ Accessory Port Function
No.ColorInternal Name
1471013
2581114
3691215
1RedCN2-1SB
2PinkCN3-1IGN
3BlackCN2-3GND
4BrownCN3-3DETO
5OrangeCN3-2DATAI
6YellowCN2-8FNC4
7GreenCN2-7FNC3
8BlueCN2-9FNC5
9PurpleCN2-12 FNC8
10GrayCN2-10FNC6
11WhiteCN2-11 FNC7
12NCNC
13NCNC
14
Sky blue
15
Turquoise
connector
CN2-6FNC2
CN2-5FNC1
6. Ignition Sense Cable (KCT-18)
The KCT-18 is an optional cable for enabling the ignition
function. The ignition function lets you turn the power to the
transceiver on and off with the car ignition key.
Fig. 5
5. Connect the KCT-39 to the external accessory by inserting
the crimp terminal (
which are supplied with the KCT-39.
13
15
1
10
3
9
9
) into the square plug (10), both of
6-2. Connecting the KCT-18 to the Transceiver
1. Install the KCT-39 in the transceiver. (See the KCT-39 section)
1
2. Insert the KCT-18 lead terminal (
2
39 (
).
13
1
15
3
1
2
) into pin 2 of the KCT-
Fig. 7
10
Fig. 6
REALIGNMENT / INSTALLATION
TK-7102H
6-3. Modifying the Transceiver
Modify the transceiver as follows to turn the power on and
off with the ignition key.
1. Remove the jumper resistor (0Ω) R71 of the TX-RX unit.
■ Setting With the KPG-70D
Select “External Devices” from the “Edit” menu and en-
able the “Ignition Sense”.
TX-RX UNIT
Component side
CN2
R71
INSTALLATION
1. Optional Board
1-1. Voice Scrambler Board Connection
■ Modification
1. Remove the cabinet and shielding cover from the transceiver.
2. Delete R202 and R267 on the TX-RX unit.
TX-RX UNIT
Component side
CN3
R267
R202
Fig. 8
Fig. 1
■ Connection
The functions of pins of CN2 and CN3 on the TX-RX unit
are shown in the TERMINAL FUNCTION section (page 34).
12 pins lead wire
with connector (A)
CN2
1
12
CN3
1
E37-1081-05
1
3
7
8
9
10
11
12
11 pins lead wire
with connector (B)
E37-1080-05
1
4
5
7
9
8
7
D
C
B
A
12
5
6
A12
Voice scrambler
board
A
BA11
CA10
DA9
E
1
2
3
4
5B5
6B7
7A8
8A7
9A3
10B11
11B9
12B4
E18
9
11
11
11
10
Fig. 2
11
TK-7102H
INSTALLATION
■ Pins Connection
Voice scrambler
functionswith connector (A)with connector (B)
AA-12–
BA-11–
CA-10–
DA-9–
5– B-5
6– B-7
7A-8–
8A-7–
9A-3–
10–B-11
11–B-9
12–B-4
Avoid forming the wiring towards shielding cover closure area.
Select “External Devices” from the “Edit” menu and set
the “Scrambler”.
Note :
The voice scrambler board is connected subsequent to the
de-emphasis circuit.
TX-RX unit
CN4
Front side
Fig. 4
■ Setting With the KPG-70D
Select “External Devices” from the “Edit” menu and set
the “SmarTrunk”.
12
DISASSEMBLY FOR REPAIR
TK-7102H
1. When you remove the panel, turn the transceiver up side
down. Detach the panel by lifting the tabs as shown below.
Tabs
Fig. 1
2. To remove the cabinet, first turn the transceiver up side
down. Detach the cabinet by prying the tabs as shown
below.
4. Mount the display unit
To mount the display unit on the panel, follow the correct
procedures shown to ensure easy display unit assembly
and good fitting onto the panel.
q Snap in bottom of display unit first.
w Snap in top of displaly unit.
w
q
Fig. 4
5. When mounting the front panel, match the 4 tabs of the
chassis with the panel, being sure they attach securely.
Tabs
Tabs
Fig. 2
3. To remove the display unit PCB, detach the PCB by lifting
at the indents of the PCB as shown below.
Indents
Tabs
Tabs
Fig. 5
Fig. 3
13
TK-7102H
CIRCUIT DESCRIPTION
Frequency Configuration
The receiver utilizes double conversion. The first IF is
49.95MHz and the second IF is 450kHz. The first local oscillator signal is supplied from the PLL circuit.
The PLL circuit in the transmitter generates the necessary
frequencies. Figure 1 shows the frequencies.
ANT
ANTSWRF
POWER
AMP
AMP
RF
AMP
1st
MIX
MCF
49.95MHz
RX
TX
1/2
CF 450kHz
IF SYSTEM
50.4MHz
X3
multiply
TCXO
PLL/VCO
AF
PA
16.8MHz
MIC
AMP
SP
MIC
Fig. 1 Frequency configuration
Receiver System
The receiver is double conversion superheterodyne. The
frequency configuration is shown in Figure 1.
■ Front-end RF Amplifier
An incoming signal from the antenna is applied to an RF
amplifier (Q353) after passing through a transmit/receive
switch circuit (D603, D604, D605 are off) and a band pass
filter (L357, L356 and varactor diodes : D353, D354). After
the signal is amplified (Q353), the signal is filtered through a
band pass filter (L354, L355 and varactor diodes: D351,
D352) to eliminate unwanted signals before it is passed to
the first mixer.
The voltage of these diodes are controlled by tracking the
CPU (IC101) center frequency of the band pass filter. (See
Fig. 2)
■ First Mixer
The signal from the RF amplifier is heterodyned with the
first local oscillator signal from the PLL frequency synthesizer
circuit at the first mixer (Q352) to create a 49.95MHz first
intermediate frequency (1st IF) signal. The first IF signal is
then fed through one pair of monolithic crystal filter (MCF :
XF351) to further remove spurious signals.
■ IF Amplifier
The first IF signal is amplified by Q351, and the enters
IC301 (FM processing IC). The signal is heterodyned again
with a second local oscillator signal within IC301 to create a
450kHz second IF signal. The second IF signal is then fed
through a 450kHz ceramic filter (Wide : CF301, Narrow :
CF302) to further eliminate unwanted signals before it is amplified and FM detected in IC301.
ItemRating
Nominal center frequency49.95MHz
Pass bandwidth± 5.0kHz or more at 3dB
35dB stop bandwidth±20.0kHz or less
Ripple1.0dB or less
Insertion loss5.0dB or less
Guaranteed attenMuation80dB or more at fo± 1MHz
Spurious : 40dB or more within fo±1MHz
Terminal impedance350Ω / 5.5pF
Table 1 Crystal filter (L71-0591-05) : XF351
ItemRating
Nominal center frequency450kHz
6dB bandwidth±6.0kHz or more
50dB bandwidth±12.5kHz or less
Ripple2.0dB or less
Insertion loss6.0dB or less
Guaranteed attenuation35.0dB or more within fo± 100kHz
Terminal impedance2.0kΩ
Table 2 Ceramic filter (L72-0993-05) : CF301
ItemRating
Nominal center frequency450kHz
6dB bandwidth±4.5kHz or more
50dB bandwidth±10.0kHz or less
Ripple2.0dB or less
Insertion loss6.0dB or less
Guaranteed attenuation60.0dB or more within fo± 100kHz
Terminal impedance2.0kΩ
Table 3 Ceramic filter (L72-0999-05) : CF302
CF301 (Wide)
14
ANT
D602~605
ANT
SW
IC161
D/A
L357,356
D353,354
BPF
TV
CPU
Q353
RF AMP
L354,355
D351,352
Q352
BPF
MIX
IC402
1/2 divider
1st local
OSC (VCO/PLL)
XF351
MCF
Fig. 2 Receiver system
Q351
IF AMP
X401
TCXO
CF302 (Narrow)
IC301
IF system
Q302
X3 multiply
IC161
D/A CONVERTER
W/NO
(EVOL2)
Q301
NOISE AMP
D301IC301IC101
AFO
RSSI
DET
CPU
IF
SYSTEM
SQIN
RSSI
CIRCUIT DESCRIPTION
TK-7102H
■ Wide/Narrow Changeover Circuit
The Wide port (pin 65) and Narrow port (pin 64) of the CPU
is used to switch between ceramic filters. When the Wide
port is high, the ceramic filter SW diodes (D303, D302) cause
CF301 to turn on to receive a Wide signal.
When the Narrow port is high, the ceramic filter SW diodes (D303, D302) cause CF302 to turn on to receive a Narrow signal.
IC301
R319
IF System
R318
R317
Wide
IC6 65pin
Narrow
IC101 64pin
IF_INMIX_O
CF301
(Wide)
CF302
D303D302
(Narrow)
R320
Fig. 3 Wide/Narrow changeover circuit
■ AF Signal System
The detection signal from IF IC (IC301) goes to D/A converter (IC161) to adjust the gain and is output to AF filter
(IC251) for characterizing the signal. The AF signal output
from IC251 and the DTMF signal, BEEP signal are summed
and the resulting signal goes to the D/A converter (IC161).
The AFO output level is adjusted by the D/A converter. The
signal output from the D/A converter is input to the audio
power amplifier (IC252). The AF signal from IC252 switches
between the internal speaker and speaker jack (J1) output.
IC301
IF IC
IC161IC251
D/A
CONV.
W/NO
(EVOL2)
AF
Filter
IC161
D/A
CONV.
IC252SP
AF PA
Fig. 4 AF signal system
■ Squelch Circuit
The detection output from the FM IF IC (IC301) passes
through a noise amplifier (Q301) to detect noise. A voltage is
applied to the CPU (IC101). The CPU controls squelch according to the voltage (SQIN) level. The signal from the RSSI
pin of IC301 is monitored. The electric field strength of the
receive signal can be known before the SQIN voltage is input
to the CPU, and the scan stop speed is improved.
Fig. 5 Squelch circuit
PLL Frequency Synthesizer
The PLL circuit generates the first local oscillator signal for
reception and the RF signal for transmission.
■ PLL
The frequency step of the PLL circuit is 5 or 6.25kHz. A
16.8MHz reference oscillator signal is divided at IC401 by a
fixed counter to produce the 5 or 6.25kHz reference frequency. The voltage controlled oscillator (VCO) output signal
is buffer amplified by Q410, then divided in IC401 by a dualmodule programmable counter. The divided signal is compared in phase with the 5 or 6.25kHz reference signal in the
phase comparator in IC401. The output signal from the
phase comparator is filtered through a low-pass filter and
passed to the VCO to control the oscillator frequency. (See
Fig. 6)
■ VCO
The operating frequency is generated by Q406 in transmit
mode and Q405 in receive mode. The oscillator frequency is
controlled by applying the VCO control voltage, obtained
from the phase comparator, to the varactor diodes (D405 and
D406 in transmit mode and D403 and D404 in receive mode).
The TX/RX pin is set low in receive mode causing Q408 and
Q407 to turn Q406 off, and turn Q405 on. The TX/RX pin is
set high in transmit mode. The outputs from Q405 and Q406
are amplified by Q410 and sent to the RF amplifiers.
PLL
DATA
16.8MHz
IC401 : PLL IC
5kHz/6.25kHz
1/N
1/M
comparator
5kHz/6.25kHz
REF
OSC
Phase
LPF
Charge
pump
Fig. 6 PLL circuit
D405,406
D403,404
Q406
TX VCO
Q405
RX VCO
Q404
AMP
Q410
BUFF
AMP
Q407,408
T/R SW
15
TK-7102H
CIRCUIT DESCRIPTION
■ Unlock Circuit
During reception, the 8RC signal goes high, the 8TC signal
goes low, and Q34 turns on. Q33 turns on and a voltage is
applied to the collector (8R). During transmission, the 8RC
signal goes low, the 8TC signal goes high and Q36 turns on.
Q35 turns on and a voltage is applied to 8T.
The CPU in the control unit monitors the PLL (IC401) LD
signal directly. When the PLL is unlocked during transmission, the PLL LD signal goes low. The CPU detects this signal and makes the 8TC signal low. When the 8TC signal goes
low, no voltage is applied to 8T, and no signal is transmitted.
8C
8R8T
Q33
SW
Q34
SW
8RC
IC101
CPU
Q35
SW
Q36
SW
LD
8TC
IC401
PLL
PLL lock
: LD “H”
Fig. 7 Unlock circuit
Transmitter System
■ Outline
The transmitter circuit produces and amplifies the desired
frequency directly. It FM-modulates the carrier signal by
means of a varicap diode.
■ Power Amplifier Circuit
The transmit output signal from the VCO passes through
the transmission/reception selection diode (D409) and amplified by Q501, Q502 and Q503. The amplified signal goes to
the final amplifier (Q504) through a low-pass filter. The lowpass filter removes unwanted high-frequency harmonic components, and the resulting signal is goes the antenna terminal.
■ APC Circuit
The automatic transmission power control (APC) circuit
detects part of a final amplifier output with a diode (D606,
D607) and applies a voltage to IC501. IC501 compares the
APC control voltage (PC) generated by the D/A converter
(IC161) and DC amplifier (IC203) with the detection output
voltage. IC501 generates the voltage to control Q503 and
Q504 and stabilizes transmission output.
The APC circuit is configured to protect over current of
Q503 and Q504 due to fluctuations of the load at the antenna
end and to stabilize transmission output at voltage and temperature variations.
MIC/IDC
NJM2100V
MIC KEY
INPUT
IC161Q406
D/A
CONVERTER
M62363FP
X401
TCXO
16.8MHz
IC202IC201MIC
Splatter
FILTER
NJM2904V
IC101
CPU
30622MAA
-B83GP
VCO
2SK508NV
(K52)
IC401
PLL
MB15A02
BUFFER
2SC5108
2SC4649
D409
PC
IC161
3pin
IC203
SUM AMP
NJM2902V
IC161
CONVERTER
M62363FP
Q410
(Y)
Q404
RF AMP
(N,P)
D/A
Q501
RF
AMP
IC203
DC
AMP
IC161
D/A
CONVERTER
M62363FP
IC402
1/2
DIVIDER
UPB1509GV
BUFFER
NJM2902V
Q411
RF AMP
2SC4649
(N,P)
IC203
Q501
RF AMP
2SC3357
Fig. 8 Transmitter system
Q502
PRE
DRIVE
AMP
Q503
DRIVE
AMP
IC501
Q504
FINAL
AMP
APC
CONTROL
DRIVE AMP
D602~D605
ANT
SW
D606
D607
VR1
Q502
PRE
2SC3357
LPF
POWER
DET
Q503
DRIVE AMP
PD55003TR
ANT
ANT
Q504
FINAL AMP
RD70HVF1
-01
16
Fig. 9 APC circuit
CIRCUIT DESCRIPTION
TK-7102H
Control Circuit
The CPU carries out the following tasks:
1) Controls the WIDE, NARROW, TX/RX outputs.
2) Adjusts the AF signal level of the AF filter (IC251) and
turns the filter select compounder on or off.
3) Controls the display unit.
4) Controls the PLL (IC401).
5) Controls the D/A converter (IC161) and adjusts the volume, modulation and transmission power.
CK
DT
IC101
CPU
LD
PLLE
Fig. 10 Control circuit
■ Memory Circuit
The transceiver has an 64k-bit EEPROM (IC66). The
EEPROM contains adjustment data. The CPU (IC101) controls the EEPROM through three serial data lines.
EEPCK
IC101
CPU
EEPDT
EEPWP
Fig. 11 Memory circuit
■ Display Circuit
The shift register controls the display LEDs through the CL
and DI lines from the CPU (IC101).
When the transceiver is busy, LED G line becomes high
impedance, turning on Q4 and the green LED (D11) lights, in
transmit mode, the LED R line becomes low impedance, and
the red LED (D12) lights.
Backlit LEDs (D1~D4) are provided and will only goes off
when MBL line becomes low impedance.
When a function key (MON, PF, C1, C2, C3 or C4) is se-
lected, its respective line becomes low impedance (LED
MON, LED PF, LED C1, LED C2, LED C3 or LED C4), the
amber LED lights.
IC161
D/A
converter
IC401
PLL
IC66
EEPROM
■ Key Matrix Circuit
The TK-7102H front panel has function keys. Each of
them is connected to a cross point of a matrix of the KMI1 to
KMO2 ports of the microprocessor. The KMO1 to KMO2
ports are always high, while the KMI1 to KMI4 ports are always low.
The microprocessor monitors the status of the KMI1 to
KMO2 ports. If the state of one of the ports changes, the
microprocessor assumes that the key at the matrix point corresponding to that port has been pressed.
1
2
3P
4
IC101
CPU
KMI1
KMI2
KMI3
KMI4
KMO1
KMO2
↑
↓
M
Fig. 13 Key matrix circuit
■ Encode
The QT and DQT signals are output from QT/DQT of the
CPU (IC101) and summed with the external pin DI line by the
summing amplifier (IC203) and the resulting signal goes to
the D/A converter (IC161). The DTMF signal is output from
DTMF of the CPU and goes to the D/A converter (IC161). The
signal is summed with a MIC signal by the summing amplifier
(IC203), and the resulting signal goes to the D/A converter
(IC161).
The D/A converter (IC161) adjusts the MO level and the
balance between the MO and QT/DQT levels. Part of a QT/
DQT signal is summed with MO and the resulting signal goes
to the VCOMOD pin of the VCO. This signal is applied to a
varicap diode in the VCO for direct FM modulation.
QT/DQT
IC203
SUM
AMP
TCXO
MOD
X401
TCXO
IC401
PLL
CLLED MON
IC101
CPU
DI
register
Fig. 12 Display circuit
IC1
Shift
LED PF
LED C1
LED C2
LED C3
LED C4
LED R
LED G
MICBL
Q4
SW
Q10SWQ9
SW
D1~D4
D5
D6
D7
D8
D9
D10
D12
D11
IC101
CPU
DTMF
DI
IC161
D/A
IC203
SUM
AMP
Fig. 14 Encodet
IC161
D/A
VCO
MOD
VCO
HT
17
TK-7102H
Q71
SW
Q31
SW
Q32
SW
Q61
SW
IC33
AVR
D61
B
IC34
RST
SBC
IGN
R77R76
R39R40
INT
5M
BATT
IC101
CPU
POWER
SW
POWER
RESET
5M
IC35
AVR
SB
IGN
CIRCUIT DESCRIPTION / SEMICONDUCTOR DATA
■ Decode
• QT/DQT/DTMF
The signal (W/NO (EVOL2)) goes to SIGNAL (pin 88) of
CPU (IC101). The QT/DQT signal will pass through the lowpass filters in the CPU (IC101) and be decoded within the
CPU (IC101). The DTMF signal will be decoded within the
CPU (IC101).
IC101
CPU
SIGNAL
88
Fig. 15 Decode
■ D/A Converter
The D/A converter (IC161) is used to adjust MO modulation, AF volume, TV voltage, FC reference voltage, and PC
POWER CONTROL voltage level.
Adjustment values are sent from the CPU as serial data.
The D/A converter has a resolution of 256 and the following
relationship is valid:
D/A output = (Vin – VDAref) / 256 x n + VDAref
Vin: Analog input
VDAref: D/A reference voltage
n: Serial data value from the microprocessor (CPU)
W/NO (EVOL2)
Fig. 16 Power supply circuit
Power Supply Circuit
When the power switch on the display unit is pressed, the
power port on the display unit which is connected port 17
(POWER), goes low, then port 82 (SBC) goes high, Q32 turns
on, SB SW (Q31) turns on and power (SB) is supplied to the
radio.
When the DC power supplied to the radio, the voltage
regulator IC (IC33) supply into the CPU VDD and reset voltage
detect IC (IC34). IC34 will generate signal (RESET) in to the
reset terminal on the CPU (IC101) to carry out a power ON
reset. Also, CPU (IC101) is checking on port 91 (Battery Voltage). If DC power is less than about 9.5V, the radio is unable
to power on.
When the DC power voltage deceases from normal voltage, the INT voltage detector IC (IC35) will set to high on CPU
port 18 (INT) if B line will became less than about 9.5V. Then
CPU send to EEPROM (IC66) the backup data and go into
STOP mode.
This circuit has an overvoltage protection circuit. If a DC
voltage of 18V or higher is applied to the base of Q61, this
voltage turns Q61 on and turns Q32 and SB off.
Microprocessor : 30622MAA-B83GP (TX-RX Unit IC101)
■ Terminal Function
Pin No.NameI/OFunction
1QT/DQTOQT/DQT output.
2DTMF/MSKODTMF/MSK/BEEP output
3PLLEOPLL IC chip select.
4,5NCI
6GND-GND.
7CNVSS-DNVss for flash.
8EVLLDOE-volume LD.
9BSHIFTOBeat shift.
10RESET-Reset.
11XOUT-X’tal (14.318MHz).
12VSS-GND.
13XIN-X’tal (14.318MHz).
14VCC-+5V.
15GND-GND (Input only).
16NCI
17POWERIPower key input.
18INTIµcom stop.
19NCI
20TX/RXOTX/RX.
21ULOPLL unlock detect.
22~25NCI
26EEPWPOEEPROM write protect
27EEPCKOEEPROM clock (N ch open drain).
28EEPDTI/O EEPROM data (N ch open drain).
29FNC1I/O Function P1/TxD for flash.
30FNC2I/O Function P2/RxD for flash.
31CLKFLSISCLK for flash.
32BSYFLSOBusy for flash.
33TXDOTo FPU.
34RXDIFrom FPU.
35PTTIPTT key.
36HOOKIHook.
37,38NCI
39EMPFLSI/O EPM for flash.
40~42NCI
43FNC3I/O Function port 3.
44CEFLSI/O CE for flash.
45,46FNC4, FNC5I/O Function port 4, 5
47,48FNC7, FNC6I/O Function port 7, 6.
49FNC8I/O Function port 8.
50AFMOAF mute.
51SPMOSpeaker mute.
Pin No.NameI/OFunction
52AMPSWOAF AMP switch.
53DTOCommon data.
54CKOCommon clock.
55,56NCI
57~59DST1~DST3IDestination 1~3
60VCC-+5V.
61NCI
62VSS-GND.
63NCI
64NARROWO
65WIDEO
66~68NCI
69CLOClock for LCD.
70CEOChip enable for LCD.
71DIOTransfer data to LCD.
72IGNIIgnition.
73MICMT1OMic 1 mute.
74MICEMOMic 2 mute.
75MICMT2OMic 3 mute.
768RCO8R control.
778TCO8T control.
78CMI/O Mic key check.
79~81NCI
82SBCOBattery switch.
83KMI2IKey matrix 2.
84KMI1IKey matrix 1.
85KMI3IKey matrix 3.
86KMI4IKey matrix 4.
87NCI
88SIGNALIDTMF/QT/DQT input.
89TEMP2ITemperature 2.
90TEMP1ITemperature 1.
91BATTIBattery voltage.
92RSSIIRSSI input.
93SQINISquelch input.
94AVSS-GND.
95NCI
96VREF-+5V.
97AVCC-+5V.
98NCI
99KMO1OKey matrix output 1.
100KMO2OKey matrix output 2.
TK-7102H
19
TK-7102H
COMPONENTS DESCRIPTION
Display Unit (X54-3460-20)
Ref. No.Parts nameDescription
IC1ICShift register for LED & MICBL control
Q4TransistorBusy light switch
Q9,10TransistorKey backlit switch
D1~4LEDKey backlit
D5LEDMonitor key light
D6LEDProgrammable key light
D7~10LEDChannel key light
D11LEDBusy
D12LEDTransmit
D13DiodeSurge protection
TX-RX Unit (X57-6700-XX)
Ref. No.Parts nameDescription
IC31ICVoltage regulator (8C)
IC32ICVoltage regulator (5C)
IC33ICVoltage regulator (5M)
IC34ICVoltage detector reset
IC35ICVoltage detector int
IC66ICEEPROM
IC101ICCPU
IC161ICDigital potentiometer
IC201ICMIC amplifier / IDC
IC202ICMIC amplifier / Splatter filter
IC203ICBuffer amplifier / SUM amplifier
/ DC amplifier / 1/2 Vcc
IC251ICAudio filter
IC252ICAudio amplifier
IC301ICFM demodulation
IC401ICPLL synthesizer
IC402ICDivider (Hetero)
IC501ICAPC controller
Q1FETTX AF
Q31,32Transistor
Q33,34TransistorDC switch (8R) / Active while RX
Q35,36TransistorDC switch (8T) / Active while TX
Q61TransistorOver voltage detection / Active when
Q71TransistorIgnition / Ignition sens
Q86,87TransistorBeat shift / Active while beat shift is on
Q201Transistor
Q202FETEmergency MIC mute / Active when
Q251TransistorBuffer amplifier / RX audio
Q252,253
FETAF mute / Active while AFM is H
DC switch (SB) / Active when power is on
PS voltage is more than 18V
AF amplifier / MIC mute / Emergency MIC mute
MICEM is H
Ref. No.Parts nameDescription
Q254
Q255TransistorAF mute / Active while AMPSW is H
Q301TransistorNoise amplifier / SQL amplifier
Q302TransistorBuffer amplifier / 16.8MHz 3rd over tone
Q351TransistorIF amplifier
Q352FETMixer
Q353FETRF amplifier / LNA
Q354TransistorRF BPF
Q402,403
Q404TransistorRF amplifier / PLL F in
Q405FETRX VCO
Q406FETTX VCO
Q407FETT/R switch
Q408TransistorT/R switch
Q410TransistorBuffer amplifier / Output of VCO
Q411TransistorRF amplifier / Output of VCO
Q440TransistorLipple filter
Q501,502
Q503FETRF amplifier / Drive amplifier
Q504FETRF amplifier / Final amplifier
D1DiodeSurge absorption / CM
D2DiodeSurge absorption / HOOK
D3DiodeSurge absorption / PTT
D4~11DiodeSurge absorption / FNC1~8
D31DiodeReverse connection protection
D32Poly switchCurrent protection
D61DiodeOver voltage detection
D201DiodeOR gate / MIC mute, AGC
D202DiodeAGC
D251DiodeLimiter
D301DiodeDetection
D302,303
D351~354
D401DiodeLipple filter
D402DiodeVoltage dropped
D403,404
D405,406
D407VaricapModulation
D408DiodeLipple filter
D409DiodeRF switch (TX/RX)
D501,502
D503DiodeVoltage protection
D602~605
D606,607
D608DiodeTemperature compensation
Digital transistor
TransistorCharge pump
TransistorRF amplifier / Drive stage
DiodeIF switch (Wide/Narrow)
VaricapRF BPF tuning
VaricapRX VCO
VaricapTX VCO
DiodeTemperature compensation
DiodeANT switch
DiodeAPC voltage detect
AF mute / Active while SPM is H
20
PARTS LIST
TK-7102H
✽ New Parts. indicates safety critical components.
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
A2BN67-2608-46PAN HEAD SEMS SCREW W
B2B,3BN87-2606-46BRAZIER HEAD TAPTITE SCREW
C1B,2BN87-2614-46BRAZIER HEAD TAPTITE SCREW
453CN99-0395-05SCREW SETACCESSORY
C10CK73GB1H102KCHIP C1000PF K
C13-26CK73GB1H471KCHIP C470PFK
C28CK73GB1H221KCHIP C220PFK
C29CK73GB1H471KCHIP C470PFK
C30CK73GB1H102KCHIP C1000PF K
C33CK73GB1H102KCHIP C1000PF K
C34C92-0721-05CHIP-ELE330UF25WV
C35-38CK73GB1H102KCHIP C1000PFK
C39,40CK73GB1C104KCHIP C0.10UFK
C41C92-0795-05CHIP-TAN22UF10WV
C42CK73GB1H103KCHIP C0.010UF K
C43-45C92-0795-05CHIP-TAN22UF10WV
C49,50CK73GB1H103KCHIP C0.010UF K
C51C92-0560-05CHIP-TAN10UF6.3WV
C52,53CK73GB1H102KCHIP C1000PFK
C54,55CK73GB1C104KCHIP C0.10UFK
C56CK73GB1H102KCHIP C1000PF K
C61CK73GB1H102KCHIP C1000PF K
C66CK73GB1H102KCHIP C1000PF K
C72CK73GB1H102KCHIP C1000PF K
C103CK73GB1H102KCHIP C1000PF K
C104CK73GB1C104KCHIP C0.10UFK
C151CK73GB1H182KCHIP C1800PF K
C152CK73GB1H392KCHIP C3900PF K
C161CK73GB1H102KCHIP C1000PF K
Address
New
Parts No.Description
parts
PARTS LIST
Destination
Ref. No.
Address
C301C92-0507-05CHIP-TAN4.7UF6.3WV
C302CK73GB1H102KCHIP C1000PF K
C303CK73GB1H472KCHIP C4700PF K
C304,305CC73GCH1H331JCHIP C330PFJK,M
C304,305CC73GCH1H391JCHIP C390PFJK2,M2
New
Parts No.Description
parts
Destination
C162C92-0507-05CHIP-TAN4.7UF6.3WV
C163CK73GB1H102KCHIP C1000PF K
C164C92-0560-05CHIP-TAN10UF6.3WV
C201CK73GB1C104KCHIP C0.10UFK
C202CK73GB1H102KCHIP C1000PF K
C203CK73GB1C273KCHIP C0.027UF K
C204C92-0514-05CHIP-TAN2.2UF10WV
C205CK73GB1C104KCHIP C0.10UFK
C206CK73GB1H102KCHIP C1000PF K
C207CK73GB1C223KCHIP C0.022UF K
C208CK73GB1H103KCHIP C0.010UF K
C210CK73GB1C104KCHIP C0.10UFK
C211CK73GB1H821KCHIP C820PFK
C212CK73GB1H122KCHIP C1200PF K
C213CK73GB1H332KCHIP C3300PF K
C225C92-0004-05CHIP-TAN1.0UF16WV
C226CK73GB1H472KCHIP C4700PF K
C227CK73GB1E103KCHIP C0.010UF K
C228C92-0560-05CHIP-TAN10UF6.3WV
C229C92-0507-05CHIP-TAN4.7UF6.3WV
C306CK73GB1H102KCHIP C1000PF K
C307CK73GB1E223KCHIP C0.022UF K
C308CK73GB1H102KCHIP C1000PF K
C309CK73GB1E223KCHIP C0.022UF K
C310CK73FB1C334KCHIP C0.33UFK
C311,312CK73GB1C104KCHIP C0.10UFK
C313C92-0662-05CHIP-TAN15UF6.3WV
C314CK73GB1H103KCHIP C0.010UF K
C315-318CK73GB1C104KCHIP C0.10UFK
C319CC73GCH1H101JCHIP C100PFJ
C322CC73GCH1H560JCHIP C56PFJ
C323CC73GCH1H271JCHIP C270PFJ
C324CK73GB1H103KCHIP C0.010UF K
C326CK73GB1H103KCHIP C0.010UF K
C350CK73GB1H471KCHIP C470PFK
C351CC73GCH1H330JCHIP C33PFJ
C353CK73GB1H103KCHIP C0.010UF K
C355CC73GCH1H150JCHIP C15PFJ
C357CK73GB1H103KCHIP C0.010UF K
C358CK73GB1H102KCHIP C1000PF K
C359CC73GCH1H080BCHIP C8.0PFB
C360-362CK73GB1H102KCHIP C1000PF K
C363CK73GB1H103KCHIP C0.010UF K
C364CK73GB1H102KCHIP C1000PF K
C366CK73GB1C104KCHIP C0.10UFK
C252CC73GCH1H390JCHIP C39PFJ
C253,254CK73GB1A105KCHIP C1.0UFK
C255CK73GB1H822KCHIP C8200PF K
C256CK73GB1E183KCHIP C0.018UF K
C257CK73GB1C393KCHIP C0.039UF K
C258-261CK73GB1H103JCHIP C0.010UF J
C262CK73GB1H102KCHIP C1000PF K
C263,264CK73GB1C333KCHIP C0.033UF K
C265,266CK73GB1C104KCHIP C0.10UFK
C267CK73GB1A474KCHIP C0.47UFK
C268CK73GB1C104KCHIP C0.10UFK
C269CK73GB1A105KCHIP C1.0UFK
C270C92-0507-05CHIP-TAN4.7UF6.3WV
C271CK73GB1H332KCHIP C3300PF K
C272CK73GB1H102KCHIP C1000PF K
C279C92-0516-05CHIP-TAN4.7UF16WV
C280C92-0040-05CHIP-ELE47UF16WV
C281CK73GB1H102KCHIP C1000PF K
C282C92-0722-05CHIP-ELE470UF16WV
C283CK73GB1H102KCHIP C1000PF K
22
C370CK73GB1H102KCHIP C1000PF K
C371CC73GCH1H020BCHIP C2.0PFB
C372CK73GB1H102KCHIP C1000PF K
C373CC73GCH1H040BCHIP C4.0PFBK,M
C374CC73GCH1H220JCHIP C22PFJ
C375-380CK73GB1H102KCHIP C1000PF K
C382CC73GCH1H220JCHIP C22PFJ
C383CK73GB1H102KCHIP C1000PF K
C384CC73GCH1H010BCHIP C1.0PFB
C386CC73GCH1H240JCHIP C24PFJK,M
C386CC73GCH1H270JCHIP C27PFJK2,M2
C387CK73GB1H102KCHIP C1000PF K
C388CC73GCH1H040BCHIP C4.0PFBK,M
C388CC73GCH1H060BCHIP C6.0PFBK2,M2
C389CK73GB1H102KCHIP C1000PF K
C401-403CC73GCH1H101JCHIP C100PFJ
C404C92-0662-05CHIP-TAN15UF6.3WV
C406CK73GB1H102KCHIP C1000PF K
C408CC73GCH1H220JCHIP C22PFJ
C409CK73GB1C104KCHIP C0.10UFK
C410C92-0560-05CHIP-TAN10UF6.3WV
C411CK73GB1C104KCHIP C0.10UFK
C412C92-0560-05CHIP-TAN10UF6.3WV
C413CK73GB1H103KCHIP C0.010UF K
C414CK73GB1C104KCHIP C0.10UFK
Ref. No.
C416-418CK73GB1H102KCHIP C1000PF K
C421,422CK73GB1H471KCHIP C470PFK
C423C92-0555-05CHIP-TAN0.047UF 35WV
C424C92-0004-05CHIP-TAN1.0UF16WV
C425C92-0001-05CHIP C0.1UF35WV
Address
New
Parts No.Description
parts
PARTS LIST
Destination
Ref. No.
C526CK73GB1H681KCHIP C680PFK
C527CK73GB1H102KCHIP C1000PF K
C528CK73GB1H221KCHIP C220PFK
C529CK73FB1H102KCHIP C1000PF K
C530CK73FB1C474KCHIP C0.47UFK
C552,553C93-0562-05CHIP C15PFJK,M
C553C93-0550-05CHIP C1.0PFCK2,M2
C554C93-0603-05CHIP C1000PF K
C555C93-0555-05CHIP C5.0PFC
C556C93-0603-05CHIP C1000PF K
C557,558CK73GB1H103KCHIP C0.010UF K
C559CK73GB1C104KCHIP C0.10UFK
C560CK73GB1H102KCHIP C1000PF K
C574CK73GB1H102KCHIP C1000PF K
C576CK73GB1H221KCHIP C220PFK
If normal power is not obtained, please follow the
step below
Open the shielding cover (upper), and screw 3 locations
around ANT pin.
1. Switch off the transceiver.
Impedance of Final FET (Q504) and Drive FET (Q503) can
be measured easily using DVM Ω mode.
Normal condition – Gate : 20kΩ~50kΩ, Drain : 1MΩ~2MΩ
The above impedance values are rough estimations.
2. Switch on the transceiver. Check the voltage at F501 output point.
The voltage is around 13.6V in receiving condition. The
voltage will be 12.6V~ in transmitting condition. If found
0V at this point then F501 is broken.
3. Remove R516.
4. Connect 50Ω load at the ANT location.
Transmit and check current drain at High power mode.
If the current drain is less than 1A, then Final FET is broken.
If the current drain is less than 5.0A, short the Drive FET
gate to ground, and check the current drain.
If the current drain is not 0.1A less than the original value,
then the Drive FET is broken.
5. Check input power level at Drive FET gate location.
Connect the wire to [RF] location.
Transmit and check for power to be within the range of
0.3W~0.6W.
If power found is less than 0.3W, check the circuit before
the Drive FET.
33
TK-7102H
TERMINAL FUNCTION
CN2
No.NameI/OFunction
1SBOBattery voltage DC supply
2NC--
3GNDOGround
4NC--
5FNC1I/O Programable I/O (programmed by FPU)
6FNC2I/O Programable I/O (programmed by FPU)
7FNC3I/O Programable I/O (programmed by FPU)
8FNC4I/O Programable I/O (programmed by FPU)
9FNC5I/O Programable I/O (programmed by FPU)
10FNC6I/O Programable I/O (programmed by FPU)
11FNC7I/O Programable I/O (programmed by FPU)
12FNC8I/O Programable I/O (programmed by FPU)
■ Function Port Assignment
KDS100, KGP-2A/2B
NameI/O
FNC1--
FNC2--
FNC3Data ChannelI
FNC4PTTI
FNC5Carrier Operated RelayO
FNC6Audio MuteI
FNC7Mic MuteI
FNC8TX RelayO
SmarTrunk II
NameI/O
FNC1TXDO
FNC2RXDI
FNC3ResetO
FNC4--
FNC5--
FNC6--
FNC7--
FNC8--
Scrambler
NameI/O
FNC1--
FNC2--
FNC3TX RelayO
FNC4ScramblerO
FNC5Scrambler Code1 (1)O
FNC6Scrambler Code2 (2)O
FNC7Scrambler Code3 (4)O
FNC8Scrambler Code4 (8)O
Port Function is Low Active. (Exclude : Scrambler Code)
CN3
No.NameI/OFunction
1IGNIIgnition sens input
2DATAIIExternal transmit signal input
3DETOOFM detector output
4TXAFIITX audio input from scrambler board
5TXAFOOTX audio output to scrambler board
6EMGMICIEmergency MIC input (1kHz/1.2mVrms)
7RXAFOORX audio output to scrambler board
8ALTIIExternal alert tone signal input
9RXAFIIRX audio input from scrambler board
105CO5V DC power supply (50mA MAX)
118CO8V DC power supply (50mA MAX)
CN4
No.NameI/OFunction
1GNDOGround
2NC--
3NC--
4NC--
5FNC2I/O Programable I/O (programmed by FPU)
6NC--
7NC--
8FNC3I/O Programable I/O (programmed by FPU)
9FNC1I/O Programable I/O (programmed by FPU)
10NC--
115CO5V DC power supply (50mA MAX)
12NC--
13DATAIIExternal transmit signal input
14DETO2OFM detector output
15ALTIIExternal alert tone signal input
16NC--
17NC--
18NC--
19NC--
20GNDOGround
34
A
CB
D
E
IHGF
J
NMLK
O
RQP
S
DISPLAY UNIT (X54-3460-20) Component side view (J72-0916-09)
D12
CP3
Q4
C9
POWER
Q9
Q10
C17
CM
HOOK
UP
D4
CP4
C13
DOWN
R15
C12
R14
J1
SB
PTTMIC
C25
MBLGNDME
R16
R17
R9
1
D7
R10
D11
D5
MONI
PC BOARD TK-7102H
J72-0916-09
Ref. No.
Address
IC14I
Q44G
Q94A
Q105A
1
2
D17K
C8
R13
D8
C11
2
89
R11
C15
IC1
D9
R7
R8
16
1
3
C14
D6
R18
C18
C10
L1
R19
D13
R12
D10
PROG
R20
C27
C16
4
D3
R4
CN1
1
18
R6
GND
POWER
HOOK
KMI2
KMI1
KMI3
KMO1
KMI4
KMO2
PTT
MIC
C4
ME
CM
SB
5C
CL
DI
R2
R1
R5
R3
D27F
D33M
D43D
D52J
D63J
D75E
D85G
D95J
D105L
D113G
D122G
D134K
3
4
5
6
DISPLAY UNIT (X54-3460-20) Foil side view (J72-0916-09)
HOOK
CM
C17
Q10
Q9
POWER
MBLGNDME
PTTMIC
SB
J1
R16
R17
D4
R14
R15
C25
DOWN
C13
1
R9
D7
C12
R10
CP4
D2
D2
Q4
C9
CP3
D11
D1
7
8
Ref. No.
Address
IC111I
D1
2
R11
C11
D8
89
D9
IC1
3
C10
R12
1
16
C14
R8
D6
R18
C18
R19
L1
D13
D10
C27
R20
4
PROG
C16
R4
CN1
R6
18
1
KMO2
KMI4
KMO1
KMI3
KMI1
KMI2
HOOK
POWER
GND
MIC
PTT
R3
R5
R1
R2
DI
CL
5C
SB
CM
ME
C4
Q411G
Q911A
Q1010A
D18K
D28F
D312M
D412D
D513J
D612J
D710E
D810G
D910J
D1010L
D1112G
D1213G
9
10
11
D1311K
R13
C8
C15
R7
D3
12
UP
D12
D5
MONI
J72-0916-09
13
Component side
Foil side
3635
14
A
TK-7102H PC BOARD
1
B
C
DEFGH
2
J1
3
4
5
6
CN4
2
NCNCNC
GNDNCTXDATANCRXDATA
1
NC
RESET
SIGOUT(L)
VCC
NC
GND
DISC
BEEPOUT(L)
SIGOUT(H)
BEEPOUT(H)
IRO
NC
1920
7
8
110
9
C281
R82
Q255
5M
R280
10
11
12
13
C50
C51
C44
+
C52
IC252
+
IC33
O
G
C49
C45
Q36
R35
R36
I
E
C
+
R37
B
Q35
C277C278
C273
R277
R276
C274
C103
R124
CN1
R101
C276
R279
Q254
R278
CNVSS
RESET
C275
C78
R78
D1
1
DI
CE
CL5CKMO2
2
37
14
C28
C29
E+B
E
SP
CN5
R272
D251
C77
R76
SB
C83
C82
R77
R120R121
KMI4
KMO1
C271
R273
KMI3
KMI1
12
CM
1
CN2
HOOK
KMI2
SB
NC
GND
NC
FNC1
FNC2
FNC3
FNC4
FNC5
FNC6
FNC7
FNC8
17
PTT
POWER
GND
MIC
GND
18
POWER
D4
R105
R106
D6
R114
R116
R118
R122
D9
D10
R2
R201
R81
D7
R115
D8
R119
D11
R3
C272
R274
R275
R108
RXD
R113
L201
R74
D5
TXD
R107
R112
R268
R117
R1
R271
R270
C72
R75
R151
C10
R5
R152
C151
C152
C267
D3
D2
Q1
D
Q71
C269
C250
Q253
S
G
C270
R250
S
D
G
C519
C517
C518
R72
C268
+
R73
R269
G
C514
D
S
G
L504
L503
C516
R71
Q252
R516
R249
IJ
KLM
NO
PQR
S
TX-RX UNIT (X57-6700-XX) -22 : M -23 : M2 -24 : K -25 : K2 Component side view (J72-0886-19)
Ref. No. Address
IC3312B
IC16110N
IC20110Q
IC20211Q
TH97
C97
TEMP1
+
C164
+
C442
R305
R313
L302
R166
R165
R164
R304
C304
C305
C319
C355
C574
C576
R306
C549
24
1
R303
C303
L506
C163
C161
IC161
AFV
C353
R351
R352
C351
C546
C545
R162
R163
R302
R354
Q351
L507
L508
R353
C550
R161
1213
C315
+
R316
C162
D302
C317
C552C553
C204
D201
8T
R206
R319
C316
R350
D202
+
R205
C554
R320
R318
R349
R204
C202
R203
Q201
R317
C615
C613
L509
C350
C205
R224
D303
C318
C602
Q354
G
D
S
C605
C207
C203
R213
R227
D602
C206
R211
R212
R321
C218
R207
C212
C211
C233
C225
C608
C603
C98
TH98
TEMP2
C555
R221
+
C220
C208
R220
1
8
IC201
45
1
8
IC202
45
R228
C226
C229
C228
C227
++
R233
C231
R232
C232
78
+
IC203
+
+
R219
R226
R218
J72-0886-19
D603
R208
R210
R229
1
14
C389
R379
R209
C213
C215
R216
R230
+
C217
C210
R214R215
C214
C230
R231
R217
R225
C527
C528
S
Q503
S
R518
C522
RF
C13
C23
+
C425
+
C424
+
C530
C529
R520
R519
11
8C5CRXAFI
R422
R421
R420
R418
Q403
C423
D
CV
C15
R419
DC
R267
C16
R222
Q402
C422
F501
ALTI
C416
R414
L505
C533
CN3
EMGMIC
RXAFO
R223
C17
C18
R401
C417
C402
C401
D402
R410 R411
R412
R413
TXAFO
C14
S
D
Q202
R402
C531
+
TXAFI
DETO
R202
G
R403
C19
C403
R525
R523
DATAI
C20
11
20
D503
1
IGN
C21
C201
C221
C414
D401
IC401
C536
R527
R521
C22
R409
C413
10
1
C525
L404
R408
R524
C559
8T
IGN
R529
C560
C411
C408
R530
IC501
8
R528
C410
+
C412
+
L403
R531
45
1
R533
R407
C541C542
Q504GD
PC
R532
R605
X401
R606
C406
R323
Q302
D608
+
C323
R603
R405
C404
L303
L304
R322
+
C313
C409
L401
C322
C324
BPF
R404
TH301
VR1
R355
C314
TH351
R315
R324
C311
C310
R311
R312
R314
C312
38
IC20312Q
IC25210B
IC40112J
IC5018K
Q110F
Q3513C
Q3612C
Q7111F
Q20111P
Q20211I
Q25212G
Q25312F
Q25411D
Q25510D
Q30213L
Q35112N
Q3549P
Q40212I
Q40313I
Q5036H
Q5045L
D112D
D213F
D312F
D411E
D511F
D611E
D711E
D812E
D912E
D1012E
D1112F
D20111O
D20210O
D2519E
D30212O
D30312P
D40112J
D40213I
D5038J
D6027P
D6037Q
D6087L
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
A
CB
D
E
IHGF
J
NMLK
O
RQP
S
Layer 1
Layer 2
Layer 3
Layer 4
Ref. No. Address
IC3112R
IC3213Q
IC3413N
IC3512M
IC6611M
IC10111O
IC25112C
IC30112G
IC40213H
Q315R
Q324R
Q3312Q
Q3412Q
Q614R
Q8610O
Q8710P
Q25111C
Q30113G
Q35210H
Q35310C
Q40412J
Q40511K
Q40613L
Q40711J
Q40811J
Q41012K
Q41112H
Q44012J
Q50110K
Q50210L
D313O
D325R
D614Q
D30113H
D35110E
D35210D
D3539C
D3547C
D40311L
D40411L
D40512L
D40612L
D40712L
D40812J
D40910H
D50110J
D50210L
D6047C
D6057C
D6065C
D6074C
Component side
Foil side
TX-RX UNIT (X57-6700-XX) -22 : M -23 : M2 -24 : K -25 : K2 Foil side view (J72-0886-19)
CN601
ANT
L605
L604
C616
C611
D606
R602
D354
R264
R263
R252
14
D607
C606C607
R378
TC352
C380
C377
R370
Q353
4
C378
R372
C264
IC251
R258
C257
L601
C388
R375
C383
1
23
Q251
R251
C258
78
1
C610
D353
C382
R369
R266
C262
R259
L602
C384
C376
C266
R265
C263
C260
L603
D605
R368
R262
C261
C259
L356
C374
L355
R261
R260
D352
C373
TC351
CF301
C372
R367
R366
C557
C375
C371
C556
R526
C558
L354
CF302
C370
C368
C369
D351
R365
R364
C367
R301
+
C301
C302
R325
20
R310
C307
IC301
C306
XF351
C326
1011
1
Q301
C364
R361
R362
R358
C358
R308
C362
C357
R309
C309
C308
C363
C359
L351
L301
R363
BPF
1
4
23
L352
R437
D301
C458
Q352
C471
R356
C463
C360
L422
R441
Q411
R439
R442
C464
C459
IC402
8
R359
R360
C465
C466
L421
L420
R444
C366
C462
L419
45
1
C457
C460
C467
C361
D409
R443
C461
R440
R438
C456
C468
39
C501
C421
C449
R432
R416
C418
R501
Q408
5
D408
C502
1
23
R433
R503
R502
L417
R415
R417
C451
C450
R504
C448
S
D
C503
R505
C504
D501
R431
G
Q407
Q404
Q440
+
R423
L410
C455
R506
C431
S
C430
C454
R434
B
R510
G
C432
L418
R435
D
Q405
C
C505
C429
L409
R436
C453
C506
C428
R430
R425
Q410
C452
C441
L415
R424
E
R427
R601
C617
D604
C601
C387
C386
L357
R374
C379
R373
R371
C251
R254
R253
C254
C253
R255
R256
C255
R257
C256
J72-0886-19
R376
C265
C252
Q501
R509
R507
L408
R426
C507
TC401
Q406
C439
R429
L416
L414
C509
C511
D502
C427
C444
C440
S
D
C438
C437
L501
L407
C426
R428
C436
L413
G
C510
D404
R522
R511
C512
L406
C434C435
TC402
R512
L405
L411
Q502
B
C
E
L412
C526
D403
D406
D407
D405
C515
L502
R513
R514
C513
1
IC66
45
R94
R39R40
5
IC35
1
8
R93
34
C66
C55
R91
R92
R110
C56
R67
R69
R66
R41
5
1
R68
R38
R109
R111
IC34
R70
26
50
34
R104
25
51
C53
PC BOARD TK-7102H
C283
D31
Q32
Q61
C61
C54
R103
C88
R123
X86
C87
R102
C102
C101
S
IC101
D
C30
G
R87
Q86
C89
R86
C90
E+B
R281
C282
+
C34
+
+
C280
S
G
D
Q87
+
100
76
R130
C104
R129
L101
R128
R127
R126
R125
R4
C279
R131
IC32
1
75
R62
D61
C35
R31
C36
C33
R61
C37
E
Q31
C
C24
C26
C25
Q34
C39
R34
R33
+
I
C40
G
O
C42
+
Q33
C41
C43
R32
C38
B
D32
I
O
IC31
1
2
3
4
5
6
7
8
9
10
11
G
12
13
40
14
A
TK-7102H PC BOARD
1
B
C
DEFGH
2
J1
C283
3
Q32
Q61
C61
R62
4
C35
R32
C38
D61
R31
C36
C33
R61
C37
B
E
5
D32
6
CN4
2
NCNCNC
GNDNCTXDATANCRXDATA
1
NC
RESET
SIGOUT(L)
VCC
NC
DISC
BEEPOUT(L)
SIGOUT(H)
BEEPOUT(H)
IRO
GND
NC
1920
Q31
C
R281
C24
C26
C25
C282
7
+
8
110
C34
+
9
C281
R280
C277C278
C273
R277
R276
C274
C103
R124
CN1
100
76
Q255
R101
C276
R279
Q254
R278
D1
75
Q87
1
R82
5M
G
D
CNVSS
C78
R78
1
DI
R86
S
C90
RESET
C275
CE
CL5CKMO2
2
10
11
12
13
+
C280
IC252
+
C279
R131
R130
C104
R129
L101
R128
R127
Q36
G
C41
C49
C45
C43
Q34
E
C40
R36
R33
C42
R126
R125
R4
R34
C
R37
B
Q35
I
G
IC32
O
C39
R35
Q33
I
+
+
+
I
+
C44
G
IC31
+
C51
C50
C52
IC33
O
O
41
14
D31
C28
C29
C30
E+B
E
SP
CN5
R272
D251
C77
R76
SB
C83
C82
R87
R77
R120R121
KMI4
KMO1
C271
R273
C89
KMI3
KMI1
G
Q86
1
IC101
12
C102
C101
CM
KMI2
X86
S
D
C87
R102
GND
FNC1
FNC2
CN2
FNC3
FNC4
FNC5
FNC6
FNC7
FNC8
HOOK
POWER
GND
C88
MIC
SB
NC
NC
17
PTT
R103
R123
GND
18
POWER
D4
R105
R106
D6
R114
R116
R118
R122
25
D9
51
D10
C54
R2
R201
R81
26
D7
R115
D8
50
R119
D11
R3
C272
R274
R275
R104
R69
R108
RXD
R110
R113
C53
L201
R74
D5
R1
R38
R70
R68
TXD
R268
34
R107
R109
R112
R111
R117
D2
IC34
R271
R270
C72
R75
R151
R91
R92
R41
5
1
R67
R152
R66
C152
C151
C267
C66
C269
C56
C10
R5
Q1
S
D
G
C270
Q71
C250
D
Q253
D3
C55
IJ
KLM
NO
PQR
TX-RX UNIT (X57-6700-XX) -22 : M -23 : M2 -24 : K -25 : K2 Component side view + Foil side (J72-0886-19)
CN601
C602
Q354
G
D
S
C372
R366
R261
C605
TC351
D352
C206
C207
C203
R213
R227
D602
C373
L355
R211
R212
R321
C233
C218
ANT
L604
R207
C212
C211
R233
CF301
R262
C225
C261
R260
C611
C610
D607
L603
C603
C226
+
C606 C607
D606
L602
L601
D605
C98
TH98
TEMP2
C555
L356
C220
C374
1
45
R228
+
+
C260
D354
TC352
C384
D353
R375
C382
C383
+
R220
C208
R370
Q353
8
1
R368
C376
23
IC201
C378
R369
R372
1
8
IC202
45
C266
C228
C227
++
R266
C231
C264
R265
C232
C262
78
78
C263
IC251
IC203
1
R219
R258
R226
R259
C257
R218
C258
C259
J72-0886-19
8
R250
S
G
R93
C519
C517
C518
R72
IC66
C268
R94
34
IC35
+
R73
R269
G
C514
R514
1
45
D
S
5
1
G
L504
L503
C516
R71
Q252
R516
R39R40
C515
L502
R513
C513
R249
TH97
C97
TEMP1
C362
+
C164
+
C442
C357
R305
R313
R309
L302
R361
C364
R166
C358
R165
R164
R304
C304
C305
C319
R308
Q301
C355
C326
C574
C576
C549
24
1
R325
R303
C303
1011
R306
IC301
1
C306
R310
C307
L506
C367
20
C163
C302
C161
IC161
AFV
Q351
C353
R352
C351
C546
C545
R162
R163
R302
+
C301
L507
L508
C370
R301
R351
R365
R364
R354
R353
C550
R161
C368
D351
1213
C315
+
R316
C558
C162
C204
C369
D201
CF302
D302
C317
C552C553
C556
R206
R526
8T
R350
D202
+
R367
R205
R319
C316
L354
C554
C371
R320
R318
R349
C375
R204
C202
R203
Q201
R317
C615
C613
C557
L509
C350
C205
R224
D303
C318
C527
C528
S
Q503
S
C526
R522
R518
C522
RF
C510
Q502
B
C
E
R512
C13
C23
D404
D403
L406
D407
R422
L405
L411
+
C425
D406
+
C424
+
D405
L412
C530
C529
R520
R519
R511
11
C512
8C5CRXAFI
D502
C426
R428
C436
L413
R421
C434C435
R420
R418
Q403
C438
C423
TC402
C437
D
C509
C15
L407
CV
R419
G
L501
L416
Q402
S
D
C422
DC
R509
R267
C511
C16
R222
C427
L408
C444
C440
Q406
L414
F501
ALTI
C507
TC401
R427
R414
C416
C439
R429
L505
Q501
CN3
EMGMIC
RXAFO
R507
C17
C18
L409
C417
R426
C452
C441
R410 R411
L415
R413
C533
E
TXAFO
C506
R223
C14
Q202
C428
R401
R425
C402
C401
D402
R412
R424
C
TXAFI
C505
S
D
C429
R430
Q405
R402
Q410
R436
C453
+
G
C431
D
C430
C454
L418
R434
C531
B
DETO
R510
R202
C19
G
C403
R403
C432
R435
R525
R523
R506
DATAI
C20
C414
S
11
20
D503
C503
1
R505
C504
D501
IGN
C21
C201
C221
R423
D401
Q404
IC401
+
R521
L410
G
Q407
R417
C455
C451
C536
R527
R503
R504
C22
R431
S
D
R409
C413
10
Q440
1
C450
C525
C448
L404
R408
R524
C559
8T
IGN
R502
Q408
1
23
C418
R415
R529
C560
C502
5
L417
C411
R433
C408
R530
IC501
8
R528
C501
R501
C410
+
C412
+
D408
L403
R531
45
1
R432
R416
C449
C421
R533
R407
C541C542
Q504GD
PC
R532
R605
R443
C461
R440
R438
X401
R323
C457
R606
C468
C361
L419
C406
D608
R359
R360
C467
R444
C366
D409
C465
C466
C462
Q411
R439
C460
R442
C456
45
IC402
1
Q302
C471
+
C464
C459
C323
R603
R405
C404
L421
L420
8
L303
Q352
C360
L422
R441
C463
R437
L304
23
BPF
R356
+
C409
L401
C322
R322
C324
L352
R404
C313
D301
C458
VR1
1
4
R363
C359
L351
R355
C314
L301
C310
TH301
R312
C309
C308
C363
R362
R358
TH351
XF351
R315
R314
R324
C312
C311
R311
42
C616
C388
R221
C377
4
Q251
R263
R232
R251
C252
L605
R601
C608
C601
R378
C380
R374
R371
C229
R229
1
14
14
R602
D603
L357
C389
R379
R208
R209
R210
C213
R264
C215
R216
R252
+
C386
R376
R373
C265
C253
R230
C217
C617
C387
C379
C210
R214R215
C214
C230
C251
C256
R225
D604
R231
R253
R217
C254
R255
R257
R256
C255
R254
S
Ref. No.
Address
IC31 12B
IC32 13C
IC33 12B
IC34 13F
IC35 12G
IC66 11G
IC101 11E
IC161 10N
IC201 10Q
IC202 11Q
IC203 12Q
IC251 12Q
IC252 10B
IC301 12N
IC401 12J
IC402 13L
IC501 8K
Q110F
Q315B
Q324B
Q33 12C
Q34 12C
Q35 13C
Q36 12C
Q614B
Q71 11F
Q86 10E
Q87 10D
Q201 11P
Q202 11I
Q251 11Q
Q252 12G
Q253 12F
Q254 11D
Q255 10D
Q301 13M
Q302 13L
Q351 12N
Q352 10L
Q353 10Q
Q354 9P
Q402 12I
Q403 13I
Q404 12J
Q405 11I
Q406 13H
Q407 11J
Q408 11J
Q410 12I
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
Connect 1 and 4
Ref. No.
Address
Q411 12L
Q440 12J
Q501 10I
Q502 10H
Q503 6H
Q504 5L
D112D
D213F
D312F
D411E
D511F
D611E
D711E
D812E
D912E
D10 12E
D11 12F
D313E
D325B
D614C
D201 11O
D202 10O
D251 9E
D301 13L
D302 12O
D303 12P
D351 10O
D352 10P
D353 9Q
D354 7Q
D401 12J
D402 13I
D403 11H
D404 11H
D405 12H
D406 12H
D407 12H
D408 12J
D409 10L
D501 10J
D502 10H
D503 8J
D602 7P
D603 7Q
D604 7Q
D605 7Q
D606 5Q
D607 4Q
D608 7L
TSRQPONMLKJIHGFEDCBA
Note : The components marked with a dot (•) are parts of layer 1.
To make measurements in the RF section, connect the RF level meter.
In the RF section, use a 0.01µF coupling capacitor.
(The display shows the SSG input value required to obtain 12dB SINAD.)
W: –112.0dBm
N: –111.5dBm
XF1
W: –92.0dBm
N: –90.5dBm
Q351
20
450kHz
CF1
/CF2
IC301
Audio Frequency
W: –85.0dBm
N: –84.5dBm
W/N
0.33Vrms
IC251
11
To make measurements in the AF section, connect the AC level meter.
(ANT input : –53dBm, 1kHz FM, 3kHz DEV (Wide)/1.5kHz DEV (Narrow))
The AF output level is adjusted for a 0.45V/4Ω by the front panel AF VOL control.
9
8
W/N
0.32Vrms
IC251
12
14
W/N
0.26Vrms
IC251
1
3
W/N
0.30Vrms
IC251
5
7
W/N
0.31Vrms
Q251
W/N
10mVrms
IC161
12
11
W/N
0.50Vrms
IC252
10
W/N
0.45Vrms
1
J1
4Ω
MIC
Display Unit
X54-346
W/N
5.0mVrms
W/N
0.10Vrms
IC201
2
TX-RX Unit
1
W: 1.05Vrms
N: 0.44Vrms
IC203
9
W/N
1.40Vrms
IC201
1
68
To make measurements in the AF section, connect the AC level meter.
AG is set so that MIC input becomes 3kHz/1.5kHz (Wide/Narrow) DEV at 1kHz MOD.
7
W/N
1.16Vrms
IC202
3
1
W/N
1.26Vrms
IC202
5
7
W/N
1.04Vrms
IC203
2
W: 0.49mVrms
N: 0.20mVrms
IC161
9
10
TX-RX Unit (VCO)
–7dBm
Q406
To make measurements in the RF section,
connect the RF Wattmeter (50Ω).
Q410
–8dBm
IC402
2
1
Q411
D409
TX-RX Unit
–7dBm
Q501
13dBm–5dBm
Q502
18dBm
Q503
G
D
S
FINAL Amp
Q504
D
G
S
TX-RX Unit
50W
D602
ANT
4950
TK-71 02H
SPECIFICATIONS
GENERAL
Frequency Range ............................... K,M : 146 to 174MHzK2,M2 : 136 to 162MHz
Channels / Groups .............................. 4 channels