Kenwood TK-690B, Руководство по обслуживанию

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64
TK-690H ( B )
TERMINAL FUNCTION
Connector Terminal Terminal
I/O Terminal Function
No. No. Name
1 RSI O RSSI signal output.
2 AI1 I Auxiliary input 1 (FPU selectable).
3 AI2 I Auxiliary input 2 (FPU selectable).
4 AI3 I Auxiliary input 3 (FPU selectable).
5 AI4 I Auxiliary input 4 (FPU selectable).
6 AI5 I Auxiliary input 5 (FPU selectable).
7 E – Earth
8 AO2 O Auxiliary output 1 (FPU selectable).
9 TXD2 O Serial data output.
10 RXD2 I Serial data input.
11 TXS O TX sense signal output.
“H” : TX, “L” : Another
12 MCM I MIC mute signal imput.
“L” : Mute on, “H” : No change
13 MI/DI I MIC/Data signal input 1. (Default : DI)
Input impedance
DI : 10k
Ω
or more
MI : 600
Ω
Coupling
DI : DC coupling
MI : DC coupling
Frequency response
DI : ~9.6kHz +1/–3dB (1kHz=0dB)
MI : Compliance with TIA/EIA-603
Deviation
DI : 60% deviation or more.
(1kHz 2.5Vp-p input)
MI : 60% deviation
(1kHz 5mV
±
1.5mV input)
14 NC (SB) O Non connection.
(SB : 13.4V 0.5A max.
Refer to page 20)
15 RSV1 – Reserved.
16 RSV2 – Reserved.
17 AFO O RX audio signal output (Same as
CN504 pin No.1)
RX condition : RX audio output.
Output level 125mVrms.
(Standard modulation)
PA copndion : MIC output.
Output level 300mVrms.
(1kHz 5mV input)
18 E – Earth
19 DEO O Detector signal output.
Output impedance
1k
Ω
or less
Coupling
DC coupling
Acc 25 pin D-sub connector
Connector Terminal Terminal
I/O Terminal Function
No. No. Name
Output level : 100mVrms
(Standard modulation)
Output frequency response :
300~4.8kHz +1/–5dB
(1kHz=0dB)
20 AO1 O Auxiliary output 1 (FPU selectable).
21 AO3 O Auxiliary output 3 (FPU selectable).
22 AO4 O Auxiliary output 4 (FPU selectable).
23 SQ O Squelch signal output.
“L” : Busy, “H” : Not busy
24 SPM I Speaker mute signal input.
“L” : Mute on
25 ME – MIC earth.
Acc 9 pin connector
1 IGN I Ignition sense input.
2 SB O Power output after power switch
(13.4V
±
15%).
3 E – Earth.
4 MIC I MIC signal input.
5 ME – MIC earth.
6 AI1 I Auxiliary input 1 (FPU selectable).
7 AI2 I Auxiliary input 2 (FPU selectable).
8 AO1 O Auxiliary output 1 (FPU selectable).
9 AO2 O Auxiliary output 2 (FPU selectable).
10 RS1 O Remote speaker output.
11 RS2 O Remote speaker output.
12 – – Non connection.
Acc 12 pin connector (Remote kit)
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
1 IGN I Ignition sense input.
2 ES2 O BTL output for external speaker A.
3 RS1 I Remote speaker switch
4 HR1 O Horn alert signal output 1.
5 HR2 O Horn alert signal output 2.
6 ES1 O BTL output for external speaker A.
7 OS1 O BTL output for external speaker B (PA).
8 OS2 O BTL output for external speaker B (PA).
9 E – Earth.
–130 –120 –110 –100 –90
ANT input level [dBm]
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
RSSI [V]
RSSI vs ANT input (Typical value)