Kenwood TK-2170, TK-3173, TK-3170 Service Manual
Modification Information (MOD)
For
TK-2170/ TK-3170/
TK-2170/ TK-3170/
TK-3173
TK-3173
Version: 1.01
Last Updated: July, 2005
Language: English
Type: K
© Kenwood Corporation
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to the help texts attached to this software for details.
Kenwood Corporation does not warrant quality and performance of the software described in this technical document and
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Revision history
Date Description
July 1, 2005 Revised 20-pin connector Table.
CONTENTS
1 TERMINAL FUNCTIONS............................ 1
1.1 20-pin Connector............................................... 1
1.2 Solder Pad Connection ..................................... 2
2 CONNECTING THIRD PARTY OPTIONAL
DEVICES .................................................... 3
2.1 Voice Scrambler Board (SC20-460).................. 3
2.1.1 Configuring and Modifying the
SC20-460 Board.............................................. 3
2.1.2 Installing the SmarTrunk Board in the
Transceiver...................................................... 4
2.1.3 Configuration Using KPG-101D ...................... 5
2.2 Voice Scrambler Board (KW21) ........................ 6
2.2.1 Installing the KW21 Board in the
Transceiver...................................................... 6
2.2.2 Configuration Using KPG-101D ...................... 7
2.3 ANI Board.......................................................... 7
2.3.1 Configuring and Modifying the QE-2 Board..... 7
2.3.2 Installing the QE-2 Board in the
Transceiver...................................................... 9
2.3.3 Configuration Using KPG-101D .................... 10
2.4 Connecting the Man-down Tilt Switch for
Emergency Use............................................... 11
2.4.1 Configuring and Modifying the
Man-down Tilt Switch .................................... 11
2.4.2 Installing the Man-down Tilt Switch in the
Transceiver.................................................... 11
2.4.3 Configuration Using KPG-101D .................... 12
2.5 Using CAE-3 with Another Optional Board ..... 13
2.5.1 CAE-3 and Scrambler Board (SC20-460) ..... 13
2.5.2 Using CAE-3 with
Scrambler Board (KW21) .............................. 14
2.5.3 CAE-3 and QE-2 ........................................... 14
MOD (K)/Ver. 1.01 Confidential I
1 TERMINAL FUNCTIONS
This section describes input and output terminals of the transceiver.
1.1 20-pin Connector
The 20-pin connector is located on the main PCB of the transceiver. External devices, such as an optional board, can be
connected to this connector.
Table 1-1 Signal specifications of 20-pin connector
CN60
Pin No.
CN60
Name
1GND G
2 SSB SB
3AUX1 A1
4AUX2 A2
5 RXD2 RXD
6AUX3 A3
7AUX4 A4
8AUX5 A5
9 TXD2 TXD
10 TA1 TA1
11 5C 5C
12 MIC O MIC_O
13 TA2 DATAO
14 DEO DEO
15 ALT2 -
16 ALT1 ALT
17 MIC I MIC_I
Solder
pad
name
Pin name of the
Accessory I/O
Scrambler - Ground
ANI - A-
Scrambler O Power
ANI O A+
Scrambler O B1
ANI I AUX I/O
Scrambler O B2
ANI O Chan Busy
Scrambler - -
ANI I Aud Inhib
Scrambler O B4
ANI I KEY
Scrambler O B8
ANI O PTT
Scrambler O PTT
ANI O Emergency
Scrambler I ECHO PTT
ANI O Man-down
Scrambler - -
ANI I Data Out
Scrambler - -
ANI - -
Scrambler O TX IN
ANI - -
Scrambler - -
ANI - -
Scrambler - -
ANI - -
Scrambler - -
ANI - -
Scrambler - - Input sensitivity/impedance
ANI - Sidetone
Scrambler I TX OUT
ANI - -
accessory
terminal
Condition Value
-Vss
Output voltage/7 mA load
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Input sensitivity/ impedance
(1 kHz standard deviation)
Output voltage/ 10 mA load 5.0 V ±0.5 V/ 50 mA maximum
Output voltage/ impedance
(1 kHz 15 mV rms MIC input)
Input sensitivity/ impedance
(1 kHz standard deviation)
Output voltage/ impedance
(1 kHz standard modulation)
--
(1 kHz rated AF power/
Volume MAX position)
Input sensitivity/ impedance
(1 kHz standard deviation)
Specifications
DC(Battery terminal)
±0.5 V/ 150 mA maximum
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
310 mV rms ±50 mV @ 22kΩ
Load
60 mV rms ±20 mV @ 2.2kΩ
Load
310 V rms ±50 mV @ 22kΩ
Load
400 mV rms ±50 mV @ 2.2kΩ
Load
140 mV rms ±50 mV @ 22kΩ
Load
500 mV rms ±100 mV @ 22kΩ
Load
MOD (K)/Ver. 1.01 Confidential Contents 1
1 TERMINAL FUNCTIONS
CN60
Pin No.
CN60
Name
18 RA O RA_O
19 RA I RA_I
20 AUX6 A6
Solder
pad
name
Pin name of the
Accessory I/O
Scrambler O RX IN
ANI - -
Scrambler I RX OUT Input sensitivity/ impedance
ANI - -
Scrambler O Scramble
ANI I Tone Ctl
accessory
terminal
Condition Value
Output voltage/ impedance
(1 kHz standard modulation)
(1 kHz rated AF power/
Volume MAX position)
Load >100kΩ
Specifications
200 mV ±50 mV @ 2.2kΩ
Load
150 mV ±50 mV @ 22kΩ Load
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
Figure 1-1 20-pin Connector Pin Assignment
1.2 Solder Pad Connection
The following Solder Pad Connections are available on the PCB to interface to the accessory devices, such as a Mandown Tilt Switch.
Table 1-2 Signal specifications of Solder Pad Connection
Solder pad name Function
SBP_M Speaker Mute Load >100kΩ
RSSI RSSI Output Load >100kΩ
LSDFO LSDIN Output Load >100kΩ
MDSW Man-down Switch Load >100kΩ
Condition Value
Specifications
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4 V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4V
(High) Vdd minus 0.8 V to Vdd
(Low) Vss to 0.4V
(High) Vdd minus 0.8 V to Vdd
2 Contents Confidential MOD (K)/Ver. 1.01
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