Terminal Function - Kenwood TK-2168 Service Manual

TK-2168
CN801
Pin
Designation
No.
1 GND GND
2 SB Switched B
3 A3 AUX3
4 TXAFI Transmit AF input
5 A2 AUX2
6 A6 AUX6
7 A1 AUX1
8 A5 AUX5
9 A4 AUX4
10 NC Non connection
11 5C DC 5V
12 DEO Discriminator signal output Output voltage/Impedance (1kHz std. mod.)
13 TXAFI Transmit AF input
14 DEO Discriminator signal output Output voltage/Impedance (1kHz std. mod.)
15 NC Non connection
16 ALT Sidetone input
17 NC Non connection
18 NC Non connection
19 NC Non connection
20 GND GND
Solder point connection
Designation Function
MIC_I Mic input
MIC_O Mic o utput
RA_I Receiver AF input
RA_O Receiver AF output
A1 AUX1
A2 AUX2
A3 AUX3
A4 AUX4
A5 AUX5
A6 AUX6
SB Switched B
GND GND
5C DC 5V
TXAFI Transmit AF input
DEO Discriminator signal output Output voltage/Impedance (1kHz std. mod.)
LSDFO Received sub-tone output
ALT Sidetone input
12

TERMINAL FUNCTION

Function
Output Voltage/7mA load
Load >100kΩ
Input sensitivity/Impedance (1kHz std. dev.)
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Output Voltage/10mA load
Input sensitivity/Impedance (1kHz std. dev.)
Input sensitivity/Impedance
(1kHz rated AF power/Vol. MAX)
Input sensitivity/Impedance (1kHz std. dev.)
Output voltage/Impedance (1kHz 15mVrms mic input)
Output voltage/Impedance (1kHz 100mVrms mic input)
Input sensitivity/Impedance (1kHz rated AF power/Vol. MAX) 75±20mVrms @22kΩ Load
Output voltage/Impedance (1kHz std. mod.)
Output voltage/Impedance (1kHz system mod.)
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Load >100kΩ
Output Voltage/7mA load
Output Voltage/10mA load
Input sensitivity/Impedance (1kHz std. dev.)
Output voltage/Impedance (150Hz 15% mod.)
Input sensitivity/Impedance (1kHz rated AF power/Vol. MAX) 7±3mVrms @22kΩ Load
Condition
Condition
Value
Vss
DC (Battery terminal) ±0.5V
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
280±50mVrms @22kΩ Load
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
Non connection
5.0±0.5V
280±50mVrms @2.2kΩ Load
280±50mVrms @22kΩ Load
280±50mVrms @2.2kΩ Load
Non connection
7 ±3mVrms @22kΩ Load
Non connection
Non connection
Non connection
Vss
Value
7±3mVrms @22kΩ Load
2.6±1.0mVrms @2.2kΩ Load
90±20mVrms @100kΩ Load
150±50mVrms @2.2kΩ Load
290±50mVrms @100kΩ Load
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
(Low) Vss ~ 0.4V (High) Vdd-0.8V ~ Vdd
DC (Battery terminal) ±0.5V
Vss
5.0±0.5V
280±50mVrms @22kΩ Load
280±50mVrms @2.2kΩ Load
180±50mVrms @2.2kΩ Load