2-3. Operation Panel Board

J1 (Logic Board)

No.

Signal name

Function

Input / Output

1

DGND

Ground

-

2

POWER_SW

Power switch

OUT

3

STOP/RESET_SW

Stop/Reset switch

OUT

4

LED_POW

Power LED display

IN

5

LED_ERR

Error LED display

IN

6

PN_RXD

Transmission signal

OUT

7

PN_TXD

Reception signal

IN

8

DGND

Ground

-

9

LVDATA+

LCD data signal+

IN

10

LVDATA-

LCD data signal-

IN

11

+5V

Power supply

IN

12

LVCLK+

LCD clock signal+

IN

13

LVCLK-

LCD clock signal-

IN

14

+3.3V

Logic power supply

IN

15

PNL_INT

Panel interruption signal

OUT

16

DGND

Ground

-

17

PNL_RSTX

Panel reset signal

IN

18

DGND

Ground

-

J2 (LCD Unit)

No.

Signal name

Function

Input / Output

1

LED_SHDNX

Backlight-on operation enable

OUT

2

LED_POW

Power supply

OUT

3

VDD

Power supply

OUT

4

Vss

Ground

-

5

LED_Vss

Ground

-

6

DB7

Display data 7

OUT

7

DB6

Display data 6

OUT

8

DB5

Display data 5

OUT

9

DB4

Display data 4

OUT

10

DB3

Display data 3

OUT

11

DB2

Display data 2

OUT

12

DB1

Display data 1

OUT

13

DB0

Display data 0

OUT

14

WDB

Write signal

OUT

15

RS0

Register select signal

OUT

16

RSTB

Reset signal

OUT

17

CS1B

Chip select signal

OUT

18

RDB

Power supply

OUT

To the table of contents

 

To the top

<Part 3: 2. CONNECTOR LOCATION AND PIN LAYOUT; 2-3. Operation Panel Board>

3-12

Page 62
Image 62
Canon qy8-13az-000 service manual Operation Panel Board, J2 LCD Unit Signal name Function Input / Output