Kenwood NX-300 Service Manual page 63

Pin No. Name I/O Signal Type
22 RXEO O
23 RXEI I
24 TXI I
14 5V O
26 POW O
9 DGND
10 -
AGND
13
5 NC -
CN710 26-pin Connector Specifi cation
Pin No. Name
ANI board
1 OPT1
ANI board
2 OPT3
ANI board
3 26P_RD
TERMINAL FUNCTION
Output Amplitude (1kHz, 60% deviation)
Coupling Capacitor
Analog
Output Impedance
Allowable Frequency
Input Amplitude (1kHz, 60% deviation)
Coupling Capacitor
Analog
Input Impedance
Allowable Frequency
Input Amplitude (1kHz, 60% deviation)
while external MIC
Input Amplitude (1kHz, 60% deviation)
while internal MIC
Analog
Coupling Capacitor
Input Impedance
Allowable Frequency
Output Voltage
Power
Output Current
Output Voltage
Power
Output Current
GND Allowable current value (Total current of 3 pins)
- -
Device I/O Connection
O Aux Input
VGS-1 I BUSY
I KEY
VGS-1 I PLAY
- -
VGS-1 I SO
Rating and Condition
Parameter
[COR]
Conv/LTR
L: Not activity receiving
H: Activity receiving
[TOR]
Conv/LTR
L: Not activity receiving
H: Activity receiving (Sub Tone or LTR ID is OK)
[LOK]
Conv
L: TX Complete
H: Not TX Complete
LTR
L: TX Link Complete (until TX fi nishes)
H: Not TX Link Complete
BUSY indication
TX requirement input
PLAY indication
-
Serial data input
NX-300
Min Typ Max
450 640 830
- 0.1 -
- - 2.2k
300 - 3000
450 640 830
0.1
22k
300 3000
160 260 360
- 130 -
- 0.1 -
22k - -
300 - 3000
5
78
7.5
100
100
Function
Unit
mVp-p
µF
Ω
Hz
mVp-p
µF
Ω
Hz
mVp-p
mVp-p
µF
Ω
Hz
V
mA
V
mA
mA
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