5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

IGN

153.6kHz

RX

RX

R1OUT

R1OUT

153.6kHz

VCC

VCC

VCC

VCC

VCC

VCC

+12V

VCC

+12V

VCCVCC

VCCVCC

VCC

VCC

VCC

VCC

Title

Size Document Number Rev

Date: Sheet o f

1 1

Consult Box - Through Hole Version

A

1 1Wednesday, June 01, 2005

Schmitt Trigger

VCC=+5V

To Consult

Pin 1 = Consult Pin 1 (TX)

Pin 2 = Consult Pin 2 (RX)

Pin 3 = Consult Pin 7 (IGN)

Pin 4 = Consult Pin 8 (GND)

Pin 5 = Consult Pin 9 (CLK)

Consult Socket, Car Side (yourlooking into the socket)

1 7

148

To PC

BLACK

BROWN

RED

ORANGE

YELLOW

C70.1uF

U4C

4093

8

910

14

7

U1 5V Regulator

IN1 OUT 3

GN

D2

R42k

C247uF

C30.1uF

U1

ST232

C1+1

C1-3

C2+4

C2-5

VC

C1

6

GN

D1

5

V+2

V-6

R1OUT 12

R2OUT 9

T1IN11

T2IN10

R1IN13

R2IN8

T1OUT 14

T2OUT 7

D1

DIODE

U4A

4093

1

23

14

7

C10

1000pF R71k

U3

74HC163

A3

B4

C5

D6

CLK2

LOAD9

CLR1

QA 14

QB 13

QC 12

QD 11

RCO 15

VCC 16

GND 8

ENP7

ENT10

U4D

4093

12

1311

14

7

P2

MALE DB9

594837261

Q1

NPN CBE - 2N2222

R1

10K

C80.1uF

Y12.4576 OSC

VC

C1

4

OUT 8

GN

D7

C4

0.1uF

R5Optional, Do Not Use

R61k

D2TX_LED

R8

1kR22k

C50.1uF

U4B

4093

5

64

14

7

C5

0.1uF

C147uF

P1

FEMALE DB9

594837261

D4

VCC_LED

D3

RX_LED

R3 1k

C60.1uF