Terminal Function - Kenwood TK-5210 K Service Manual

TX-RX unit (X57-6820-XX A/5)
Pin
Name I/O
No.
1 DSR I Data set ready
2 E - GND
3 RXD I Serial data input
4 TXD O Serial data Output
5 5M - 5V
6 RTS1 O Request to Send
7 REM I Programmable function key input
8 PTT I External PTT input
9 MICE - External MIC GND
10 EMC I External MIC input
11 MSW/CTS I EXT/INT MIC switch input
12 SP- O BTL output - for external speaker
13 SP+ O BTL output + for external speaker
14 SSW I EXT/INT speaker switch input
CN14
1 OPT1 O Scramble code output 1 (Scrambler board)
O Channel busy (ANI board)
I Busy (VGS-1)
2 OPT3 O Scramble code output 2 (Scrambler board)
I Key (ANI board)
I Play (VGS-1)
3 RXD1 I Serial data intput(VGS-1)
4 TXD1 O PTT (Scrambler board)
O Serial data output (VGS-1)
5 NC - No connection
6 OPT4 I/O Echo PTT (Scrambler board)
O PTT (ANI board)
O Enable (VGS-1)
7 USEL - GND
8 OPT5 O Scramble code output 4 (Scrambler board)
O Emergency (ANI board)
O Reset output(VGS-1)
9 DGND - GND
10 AGND - GND
11 AI I VGS Audio Input (VGS-1)
12 AO O VGS Audio Output (VGS-1)
13 AGND - GND
14 5A - 5V
15 STON I Side tone input(ANI board)
16 DI/ANI I Data input (ANI board)
17 TCONT I Speaker mute signal (ANI board)
18 MAN DOWN O Man-down output (ANI board)
19 INH I MIC mute signal input (ANI board)
20 OPT2 O Scrambler control signal output
(Scrambler board)
I Emergency signal input (ANI board)
21 TXO O MIC signal output (Scrambler board)
22 RXEO O Audio signal output (Scrambler board)
23 RXEI I Audio signal input (Scrambler board)
24 TXI I MIC signal input (Scrambler board)
25 OPT6 O Scramble code output 3 (Scrambler board)

TERMINAL FUNCTION

Function
CN7
Pin
Name I/O
No.
26 SB2 O Switched B output
CN19 (K2 and K3 models only)
1 LCS O LCD chip select
2 GND - GND
3 D0 I/O Data bus 0
4 D1 I/O Data bus 1
5 D2 I/O Data bus 2
6 D3 I/O Data bus 3
7 D4 I/O Data bus 4
8 D5 I/O Data bus 5
9 D6 I/O Data bus 6
10 D7 I/O Data bus 7
11 RD - No connection
12 WR O WR bus
13 GND - GND
14 A0 O Address bus 0
CN408
1 GND - GND
2 GND - GND
3 MIC I External MIC input
4 MICE - External MIC GND
5 SP+ I BTL output + for external speaker
6 PWR O Power control output
7 SP+ I BTL output + for external speaker
8 15V - 15V
9 SP- I BTL output - for external speaker
10 SB1 I Battery level input
11 SP- I BTL output - for external speaker
12 +B - Power input after passing through the fuse
13 AF O Audio Output
14 +B - Power input after passing through the fuse
15 VOL I Volume level input
16 +B - Power input after passing through the fuse
17 CLK O Clock data output
18 +B - Power input after passing through the fuse
19 GND - GND
20 LRST O LCD reset output
21 KIN I Key input
22 28M - 2.8V
23 EXAFC O External AF output
24 PSW I Power input after power switch
25 KES O Key counter clear to send
26 INAFC O Internal AF output
27 DAT O Data output
28 ECSW O Echo cancel MIC switch
29 TGL0 I Lever switch input 0
30 33M - 3.3V
31 TGL2 I Concentric switch input 2
32 33M - 3.3V
33 TGL1 I Concentric switch input 1
34 33A - 3.3V
35 CH_A I Rotary switch input 1
36 33A - 3.3V
TK-5210
Function
19