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TH-K2AT/K2E/K2ET
43
ADJUSTMENT / TERMINAL FUNCTION
Adjustment points
TX-RX unit (A/3)
Component side view
J2
DC IN
J3
MIC
J4
SP
VR1
VR5
VR6
LV
B
LCD
ANT
BTEMP
GND
SET
TX-RX UNIT (A/3)
Component side view
CN1 1 GND GND
2 Vol-OUT RX audio volume output
3 Vol-IN RX audio volume input
4 EN2 Encoder 2
5 GND GND
6 EN1 Encoder 1
CN2 1 SPK Internal speaker audio
2 SPG Audio ground
CN6, 1 PTT PTT
CN7 2 KIN4 Key matrix input
3 KYO2 Key matrix output (MONI key)
4 KYO1 Key matrix output (LAMP key)
5BL LCD backlight control
6 GND GND
CN8, 1 KIN1 Key matrix input
CN9 2 IM Internal microphone
3 KYO3 Key matrix output
48M 8V power supply
5 KIN4 Key matrix input
6 MIG Microphone ground
7 LAMP Key illumination control
8 GND GND
9 KYO0 Key matrix output
10 KIN2 Key matrix input
11 KYO1 Key matrix output
12 KIN0 Key matrix input
13 KYO2 Key matrix output
14 KIN3 Key matrix input
CN No. Pin No.
Pin Name
Function
TX-RX UNIT (A/3) : TX-RX↔VOL/ENC
TERMINAL FUNCTION
TX-RX UNIT (A/3) : TX-RX↔Internal speaker
TX-RX UNIT (A/3) : TX-RX↔TX-RX UNIT (B/3) : 10KEY
TX-RX UNIT (A/3) : TX-RX↔TX-RX UNIT (C/3) : PTT
VR1 : TX frequency
VR5 : MAX DEV
VR6 : DCS modulation valance
LV : VCO lock voltage terminal