Terminal Function - Kenwood TK-5710 Service Manual

Pin
Name I/O
No.
6 EN O Enable output (Active Low)
7 USEL O UART speed select
(H:115200bps, L:19200bps)
8 VRST O Reset signal output
−
9 DE Digital GND
−
10 E GND
11 AI I Audio input (3Vp-p)
12 AO O Audio output (100mVp-p)
−
13 E GND
−
14 5C Common 5V
−
15~25 NC No connection
−
26 8C Common 8V
CN755/Solder land (to ANI board)
1 BUSY O BUSY signal output (L:TX)
L 0.4V, H 4.6V / 30kΩ load
2 AKEY I TX Control signal input (Active Low)
L 0.8V, H 2.6V
−
3~5 NC No connection
6 PTOA O PTT signal output (L:PTT ON)
L 0.4V, H 4.6V / 30kΩ load
−
7 NC No connection
8 EMG O Emergency signal output (L:Operated)
L 0.4V, H 4.6V / 30kΩ load
−
9,10 E GND
−
11,12 NC No connection
−
13 E GND
−
14 5C Common 5V (Standby:3.5mA /
Encoding:35mA)
15 STON I Side tone input (1kHz/5Vp-p)
16 ATXI I Data signal input (Adjustable from 0V
to 4.5Vp-p)
17 TCONT I Speaker mute signal input (L:Unmute)
L 0.8V, H 4.2V
−
18 NC No connection
19 AINH I MIC mute signal input (L:Mute)
L 0.8V, H 4.2V
20 AUX I/O I Emergency signal input (Active Low)
L 0.8V, H 4.2V
−
21~25 NC No connection
−
26 8C Common 8V
CN771/Solder land (to Scrambler board)
1 BC1 O Scramble code signal output 1
L 0.4V, H 4.6V / 30kΩ load
2 BC2 O Scramble code signal output 2
L 0.4V, H 4.6V / 30kΩ load
−
3 LOK No connection
4 PTOS O TX signal output (L:TX)
L 0.4V, H 4.6V / 30kΩ load
−
5 NC No connection
6 ECHO I/O Echo PTT
−
7 NC No connection
8 BC4 O Scramble code signal output 4
L 0.4V, H 4.6V / 30kΩ load

TERMINAL FUNCTION

Description
TK-5710
Pin
Name I/O
No.
−
9,10 E GND
−
11,12 NC No connection
−
13 E GND
−
14 5C Common 5V
−
15~19 NC No connection
20 AC O Scramble control signal output (L:On,
H:Off)L 0.4V, H 4.6V / 30kΩ load
21 TXO O MIC signal output Zo 1kΩ
(85mVp-p typ.)
22 RXEO O AUDIO signal output Zo 100Ω
(1.2Vp-p typ.)
23 RXEI I AUDIO signal input Zi=27kΩ
(1.2Vp-p typ.)
24 STXI I MIC signal input Zo=100kΩ
25 BC3 O Scramble code signal output 3
L 0.4V, H 4.6V / 30kΩ load
−
26 8C Common 8V
CN782 (to TX-RX unit CN600)
−
1 E GND
2 CV I Control voltage for VCO
3 FTEMP2 I Final unit temperature 2
4 FTEMP1 I Final unit temperature 1
5 PCS O Chip select of potentiometer
6 L2FT O Tuning frequency of 2nd local
7 UL I Lock detection of PLL
8 EP O Enable of PLL
−
9 WN2 Switch of ceramic filter
(H:Wide, L:Narrow)
10 MO O Modulation signal for VCO
11 MB O Modulation and frequency control
signal for VCXO
−
12~15 8C Common 8V
16 DAT O Data output
17 SOE O Enable of Shift Register 3
18 CLK O Clock output
19 STRB3 O Chip select of Shift Register 3
−
20 8T 8V output during transmission
−
21 Vref Reference voltage
−
22 E GND
23 DET I Detection signal input
−
24 E GND
25 PC O TX power control voltage
−
26 E GND
27~29 IF_IN I IF signal
−
30~32 E GND
33 ASQL I Analog squelch signal input
34 RSSI I RSSI signal input
35 TV O Tuning voltage signal output for RX BPF
−
36 E GND
CN783 (to Accessory 9-pin connector)
1 IGN I Ignition sense input
−
2 E GND
3 HR1 O Horn alert signal output 1 (1A max.)
( ) (
B /5710H B
Description
)
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