Kenwood 762G Manual Do Utilizador

TK-760G/762G

■ Terminal function (TX-RX unit IC510)

4

Q1

W/N

Wide/Narrow SW.

Narrow : H

5

Q2

MUTE

MIC mute (M models only).

Mute : H

6

Q3

MBL

MIC/LCD backlight control.

Backlight on : H

7

Q4

LED0

Red LED.

LED lights : H

11

Q8

BSHIFT

Beat shift.

Shift on : H

12

Q7

AFREG2

Base band IC inter register select 2.

13

Q6

AFREG1

Base band IC inter register select 1.

14

Q5

LED1

Green LED.

LED lights : H

■ Terminal function (TX-RX unit IC9)

4

Q1

HNC

Horn alert control.

Horn alert on : H

5

Q2

8RC

8R control.

RX : H

6

Q3

8TC

8T control.

TX : H

7

Q4

SPMUTE

Speaker mute control.

Mute on : H

11

Q8

AUX6

Option board port 6 (AUX6). AUX on : H

12

Q7

AUX5

Option board port 5 (AUX5).

13

Q6

PA/LI

PA/LIGHT control.

PA/LIGHT on : H

14

Q5

RX

TX/RX VCO switch.

RX : L

■ Block diagram

Common

driver

Segment driver & latch

Clock

generator

Shift register

Address
detector

COM3

COM2

COM1

S35

S34

S9

S8/P8

S2/P2

S1/P1

INH

OSC

VDD

VLCD

VLCD1

VLCD2

VSS

DI

CL

CE

■ Terminal function

1~8

S1/P1~S8/P8

O

Segment output for displaying data

9~35

S9~S35

transferred from serial data.

36~38

COM1~COM3

O

Common driver output. Frame

frequency fo=(fosc/384)Hz

39

VDD

–

Power supply for logic section

(2.7V~6.0V).

40

VLCD

–

Power supply for LCD driver section

(2.7V~6.0V).

41

VLCD1

I

Apply 2/3 the LCD drive bias voltage

from outside. If 1/2 the bias is

applied, connect to VLCD2.

42

VCLD2

I

Apply 1/3 the LCD drive bias voltage

from outside. If 1/2 the bias is

applied, connect to VLCD1.

43

VSS

–

GND.

44

OSC

I/O

Oscillation terminal.

45

INH

I

Force the display to turn off regardless

of internal data. Serial data can be input

regardless of whether it is "H" or "L".

46

CE

I

Chip enable. Serial data transfer

terminal. Connected to the

microprocessor.

47

CL

I

Synchronizing clock. Serial data

transfer terminal. Connected to

the microprocessor.

48

DI

I

Transfer data. Serial data transfer

terminal. Connected to the

microprocessor.