Kenwood TK-7180H Service Manual page 71

TK-7180H/7182H
Pin No. Name
7 SHIFT/MODEL Control signal output of beat-shift function
8 (CLK) Reserve
9 (LCDDO) Reserve
10 (LCDDI) Reserve
11 (LCDRST) Reserve
12 RST2 Reset signal output
13 PSENS Detection signal input of display unit
14 GND Ground
15 ME MIC ground
16 MIC MIC signal input
17 GND Ground
18 GND Ground
19 PSW Detection signal input of power switch
20 NC No connection
21 SB Power output of switched power supply
22 SB Power output of switched power supply
23 8C 8V output
24 GND Ground
25 SPO Speaker output
26 SPO Speaker output
27 SPO Speaker output
28 SPO Speaker output
29 SPO Speaker output
30 SPO Speaker output
CN429 (to Display unit CN902) : TK-7182H
1 DM DTMF MIC data input
2 GND Ground
3 RXD Serial data signal input / Hook signal input
4 TXD Serial data signal output
5 NC No connection
6 5C 5V output
7 SHIFT/MODEL Not used
8 GND Ground
9 LCDDO LCD driver data input
10 LCDDI LCD driver data output
11 LCDCLK LCD driver clock signal output
12 LCDCS LCD driver chip enable signal output
13 PTT PTT signal input
14 GND Ground
15 ME MIC ground
70
TERMINAL FUNCTION
Description Pin No. Name
16 MIC MIC signal input
17 GND Ground
18 GND Ground
19 PSW Detection signal input of power switch
20 NC No connection
21 SB Power output of switched power supply
22 SB Power output of switched power supply
23 8C 8V output
24 GND Ground
25 SPO Speaker output
26 SPO Speaker output
27 SPO Speaker output
28 SPO Speaker output
29 SPO Speaker output
30 SPO Speaker output
CN804
1 IGN Ignition sense input
2 GND Ground
Solder Land
Name
to ANI board
GND (A–) Ground
OPT1 TX sense signal output. Conv. L : TX, H : Not TX
(CH BUSY) LTR L : Link complete, H : Not link complete
L≤0.45V, H≥4.7V/25kΩ load
OPT3 TX control signal input. Active low.
(KEY) L≤1.0V, H≥ : 4.0V, Input voltage 0V~5.0V
OPT4 PTT signal output. L : TX, H : Not TX
(PTT) L≤0.45V, H≥4.7V/25kΩ load
OPT5 Emergency signal output.
(EMERGENCY) L : Emergency function is operated,
H : Emergency function is not operated
L≤0.45V, H≥4.7V/25kΩ load
5E (A+) 5V power supply (78mA max.).
DTI Data signal input. Zin>22kΩ, 600± 200mVp-p
(DATA OUT) (Standard modulation)
TCTL Speaker mute signal input. H : Unmute
(TONE CTRL) L≤0.8V, H≥4.2V, Input voltage : 0V~5.0V
Description
Description