Terminal Function - Kenwood TK-7180H Service Manual

TK-7180H/7182H
Display unit (X54-3480-10) : TK-7180H
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 NC No connection
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
1 BLC MIC backlight control
2 SB DC 13.6V± 15%, 200mA typ.
3 E Ground
4 PTT/TXD PTT : PTT input, TXD : Serial data output
66

TERMINAL FUNCTION

Description
J901 (MIC jack)
Pin No. Name
5 ME MIC ground
6 MIC MIC signal input
7 HOOK/RXD HOOK : Hook detection, RXD : Serial data input
8 DM MIC data detection
Display unit (X54-3540-10) : TK-7182H
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 PTT PTT signal output
19 LCDCS LCD driver chip enable signal input
20 LCDCLK LCD driver clock signal input
21 LCDDI LCD driver data input
22 LCDDO LCD driver data output
23 GND Ground
24 NC No connection
25 NC No connection
26 NC No connection
27 TXD Serial data signal input
28 RXD Serial data signal output / Hook signal output
29 GND Ground
Description
Description