Kenwood TK-5310 K4 Service Manual page 63

Pin
Name I/O
No.
50 DGND - GND
CN613 (K2, K3, K5 and K6 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
Control unit (X57-7250-XX B/5)
Pin
Name I/O
No.
CN700
1 GND - GND
2 GND - GND
3 MIC O External MIC output
4 MICE - External MIC GND
5 SP+ O BTL output + for external speaker
6 PWR I Power control input
7 SP+ O BTL output + for external speaker
8 15V - 15V
9 SP- O BTL output - for external speaker
10 SB1 O Battery Level output
11 SP- O BTL output - for external speaker
12 +B - Power input after passing through the fuse
13 AF I Audio input
14 +B - Power input after passing through the fuse
15 VOL O Volume level output
16 +B - Power input after passing through the fuse
17 CLK I Clock data input
18 +B - Power input after passing through the fuse
19 GND - GND
20 LRST I LCD reset input
21 KIN O Key output
22 28M - 2.8V
23 EXAFC I External AF input
24 PSW O Power output after power switch
25 KES I Key counter clear to send
26 INAFC I Internal AF input
27 DAT I Data input
28 ECSW I Echo cancel MIC switch
29 TGL0 O Lever switch output 0
30 33M - 3.3V
31 TGL2 O Concentric switch output 2
32 33M - 3.3V
TERMINAL FUNCTION
Function
Function
Pin
Name I/O
No.
33 TGL1 O Concentric switch output 1
34 33A - 3.3V
35 CH_A O Rotary switch output 1
36 33A - 3.3V
37 CH_B O Rotary switch output 2
38 25D - 2.5V
39 CH_C O Rotary switch output 3
40 15D - 1.5V
41 CH_D O Rotary switch output 4
42 15D - 1.5V
43 PTT O PTT output
44 5M - 5V
45 36MD - 3V
46 5M - 5V
47 oE I Shift register OE
48 LCDV - LCD contrast control voltage
49 DGND - GND
50 DGND - GND
CN713
1 INT SP- O BTL output - for internal speaker
2 INT SP- O BTL output - for internal speaker
3 INT SP+ O BTL output + for internal speaker
4 INT SP+ O BTL output + for internal speaker
5 INT MIC+ I Internal MIC input
6 INT MIC- - Internal MIC GND
CN800 (K2, K3, K5 and K6 models only)
1 A0 I Adrress bus 0
2 GND - GND
3 WR I WR bus
4 RD - No connection
5 D7 I/O Data bus 7
6 D6 I/O Data bus 6
7 D5 I/O Data bus 5
8 D4 I/O Data bus 4
9 D3 I/O Data bus 3
10 D2 I/O Data bus 2
11 D1 I/O Data bus 1
12 D0 I/O Data bus 0
13 GND - GND
14 LCS I LCD chip select
CN802 (K2, K3, K5 and K6 models only)
1 V4 - LCD drive power supply
2 V3 - LCD drive power supply
3 V2 - LCD drive power supply
4 V1 - LCD drive power supply
5 V0 - LCD drive power supply
6 VR - V0 voltage adjustment terminal
7 NC - No connection
8 NC - No connection
9 NC - No connection
10 NC - No connection
11 NC - No connection
12 NC - No connection
TK-5310
Function
63