Kenwood TK-6110 Service Manual page 11

Port name
Abbreviation Abbreviation Name
(PCB) (Schematic diagram)
X STONE Side tone
R AUDI IH Audio inhibit
K GND Ground
W AUX Aux
J PTTO PTT
P EMERG Emergency
N BUSY Channel busy
Y KEY (Transmission)
Key
L +8V Board power
supply
2-2. Option Port 2 (For voice scrambler etc.)
Port name
Abbreviation Abbreviation Name
(PCB) (Schematic diagram)
G CODE 1 Scrambler code 1
D CODE 2 Scrambler code 2
E CODE 3 Scrambler code 3
F CODE 4 Scrambler code 4
A TXOUT TX out
M RXOUT RX out
K GND Ground
J PTTO
H CLRC Clear/Code
B RXIN RX in
C TXIN TX in
L +8V Board power
supply
INSTALLATION
Description
Beep during PTT ID
Microphone muting during PTT ID
Ground
Emergency channel request
TX-RX unit microprocessor
Microprocessor PTT logic ANI board
Microprocessor emergency channel logic
ANI board
Microprocessor busy logic ANI board
Transmission start control GE-star
TX-RX unit microprocessor
Switched B
Description
First of four bits of scrambler code
Second of four bits of scrambler code
Third of four bits of scrambler code
Fourth of four bits of scrambler code
Board
Transceiver (Transmitter modulation circuit)
Board Transceiver (Audio amp)
Ground
Scrambler modulation/demodulation control
Specifies whether to scramble
Transceiver (Microphone circuit)
transceiver (Microphone circuit)
Switched B
Connection
Connected to
the circuit
Connected to
the circuit
Ground
CPU input
CPU output
CPU output
CPU output
CPU input
Power supply
Connection
CPU output
Connected to
the circuit
Connected to
the ciircuit
Ground
CPU output
CPU output
Board Connected to
the circuit
Board Connected to
the circuit
Power supply
TK-6110
Note
L : EMG CH request
H : No EMG CH request
L : TX, H : RX
L : Emergency operation request
H : No emergency operation request
L : Busy, H : Not busy
L : Transmission request
H : No transmission request
Note
Board code selection
(Logic by binary code)
Reference
1kHz/15mVrms
2.5~3.5kHz (Wide),
1.25~1.75kHz (Narrow)
L : TX, H : RX
L : Scramble, H : Normal
Reference
1kHz STD DEV
250~350mVrms
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