DFX-8500

Table A-5. C204 MAIN Board Connector CN4

Pin

Signal Name

I/O

Function

1

GND

-

 

2

+5V

-

 

3

ENCB

I

CR encoder B phase pulse

4

ENCA

I

CR encoder A phase pulse

Table A-6. C204 MAIN Board Connector CN5

Pin

Signal Name

I/O

Function

1

LED_DATA

O

LED data

2

LED_XLE

O

LED data latch

3

LED_CLK

O

LED data clock

5

LED_XOE

O

LED light enable

6

BUZZER

O

Buzzer

7

VCC

-

+5 VDC

9

SW_INH

O

Switch data transfer inhibit

9

SW_S/XL

O

Switch data shift/load select

11

SW_DATA

I

Switch data

13

SW_CLK

O

Switch data clock

4, 10, 912, 14

GND

-

 

Table A-7. C204 MAIN Board Connector CN6

Pin

Signal Name

I/O

Function

1, 2, 3

VP1

-

+37 VDC

4, 5, 6

GP1

-

GND for VP1

 

Table A-8. C204 MAIN Board Connector CN7

Pin

Signal Name

I/O

Function

1, 2, 3

VP2

-

+37 VDC

4, 5, 6

GP2

-

GND for VP2

 

Table A-9. C204 MAIN Board Connector CN8

Pin

Signal Name

I/O

Function

8, 7, 6

VP1

-

+37 VDC

5, 4, 3

GP1

-

GND for VP1

1

VX

-

+5 VDC switched by reset status

2

GND

-

 

 

Table A-10. C204 MAIN Board Connector CN9

Pin

Signal Name

I/O

Function

1

CUTON

O

Cut signal

2

CUTDIR

I

Cut direction

3

CUTTER

I

Paper cutter mount/dismount

4

CUTHPI

I

Cutter home position

5

+5V

-

 

6

GND

-

 

7

RF

I

Reverse point signal

 

Table A-11. Digital Board Connector CN10

Pin

Signal Name

I/O

Function

1, 2

+5V

I

 

3, 4

GND

O

 

5

DRERR

O

Head driver error signal

6

/PD

O

Power down signal

7

CL

I

Current limit signal

8

SD

I

Power shutdown signal

A-4

Rev. B

Page 214
Image 214
Epson DFX-8500 service manual Table A-8. C204 Main Board Connector CN7, Table A-9. C204 Main Board Connector CN8