Terminal Function - Kenwood TK-7185 Service Manual Addendum

Display unit (X54-3480-10)
Pin No. Name
CN901 (to internal speaker)
1 GND Ground
2 SPO Speaker output
CN902 (to TX-RX unit B/3 CN429)
1 SPO Speaker input
2 SPO Speaker input
3 SPO Speaker input
4 SPO Speaker input
5 SPO Speaker input
6 SPO Speaker input
7 GND Ground
8 8C 8V input
9 SB Power input of switched power supply
10 SB Power input of switched power supply
11 NC No connection
12 PSW Detection signal output of power switch
13 GND Ground
14 GND Ground
15 MIC MIC signal output
16 ME MIC ground
17 GND Ground
18 PSENS Detection signal output of display unit
19 RST2 Reset signal input
20 GND Ground
21 GND Ground
22 GND Ground
23 GND Ground
24 SHIFT/MODEL Control signal input of beat-shift function
25 NC No connection
26 5C 5V output
27 TXD Serial data signal input
28 RXD Serial data signal output
29 GND Ground
30 GND Ground
J901 (MIC jack)
1 BLC MIC backlight control
2 SB DC 13.2V±15%, 200mA typ.
3 E Ground
4 PTT/TXD PTT : PTT input, TXD : Serial data output
5 ME MIC ground

TERMINAL FUNCTION

Description
Pin No. Name
6 MIC MIC signal input
HOOK : Hook detection,
7 HOOK/RXD
RXD : Serial data input
8 DM MIC data detection
TX-RX unit (X57-6982-72) (A/3)
Pin No. Name
CN701 (to TX-RX unit B/3 CN427)
1 AUXIO6 AUX input/output 6
2 AUXIO7 AUX input/output 7
3 AUXIO1 AUX input/output 1
4 AUXIO2 AUX input/output 2
5 RXD2 Serial data output 2
6 AUXIO3 AUX input/output 3
7 TXD2 Serial data input 2
8 AUXIO4 AUX input/output 4
9 AUXIO8 AUX input/output 8
10 AUXIO5 AUX input/output 5
11 AUXIO9 AUX input/output 9
12 AUXO1 AUX input 1
13 TXD1 Serial data input 1
14 AUXO2 AUX input 2
15 RXD1 Serial data output 1
16 GND Ground
17 ME MIC ground
18 MI2 External MIC output
19 DEO Detected signal input
20 GND Ground
21 5C 5V
22 DI Data signal output
23 AFO RX fi ltered audio input
24 SB Power input after power switch
25 SB Power input after power switch
26 SB Power input after power switch
27 SB Power input after power switch
28 SB Power input after power switch
29 SB Power input after power switch
30 NC No connection
J701 (ACC 25-pin)
1 NC No connection
TK-7185
Description
Description
25