DOWNLOAD Sharp PN-L602B (serv.man6) Service Manual ↓ Size: 11.82 MB | Pages: 127 in PDF or view online for FREE

PN-L702B/L602B　FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES

 5 – 12

■ CANCELING WRITE-PROTECT OF EDID BY THE SERIAL COMMAND

n

When you use the serial command in Windows Vista, because the Hyper terminal is not equipped with in this model, use other software corre-
sponding to serial communication.

n

Connection method: Connect the serial port of PC with the RS-232C input pin of the monitor by using the straight cable. 

1 ) Execute [START] - [Program] - [Accessory] - [Communication] - 

[Hyper terminal]. 
The window below is displayed. Enter an optional name and press

[OK].

2 ) The window below is displayed. Select the number of COM con-

nected to the monitor and press [OK.]

3 ) The communication setting screen is displayed. 

Set as shown below. 

4 ) Set the local echo. 

Select “Property” in the file menu. 

5 ) Select [Settings] tab and press [ASCII Setup...].

6 ) Check “Send line ends with line feeds” and “Echo typed characters

locally” and press [OK]. 

7 ) Press [Enter] key once and check to confirm that “OK” is returned.

If “OK” is returned, the connection is proper. 

8 ) Send the EDWP command. 

Enter “EDPW1230” and press [Enter] key.

If “OK” is returned, the EDID write-protect is canceled.

n

The write protect can be released in SERVICE MENU 2 as well.
3Refer to page 4 - 8  "6 - 1. EDID WRITE PROTECT RELEASE".

PN-L702B/L602B　FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES

 5 – 13

■ VGA, HDMI

■ DVI (ONLY WHEN THE UNIT IS EQUIPPED WITH PN-ZB01.)

DIP switch setting

Parallel (EDID)

Serial (PROGRAM)

AUTO

MANUAL

1502A

T1620

1502A

T1620

Body  rear

VGA

terminal

Connect to USB 
port of PC

Connect to printer port of PC

VGA cable

VGA

USB

Serial connector

Parallel  
connector

USB cable

No need to connect
 the serial cable.

DVI-D connector

DVI-D cable

SW1 :
SW2 :
SW3 :
SW4 :

Jig PWB (X1049MP-27)

Left, right, right, right with the parallel connector 
on the upper side. 

HDMI

terminal

DIP switch setting

Parallel (EDID)

Serial (PROGRAM)

AUTO

MANUAL

1502A

T1620

1502A

T1620

Body  rear

VGA

terminal

Connect to USB 
port of PC

Connect to printer port of PC

VGA

USB

Serial connector

Parallel  
connector

USB cable

No need to connect
 the serial cable.

DVI-D connector

DVI-HDMI cable

SW1 :
SW2 :
SW3 :
SW4 :

Jig PWB (X1049MP-27)

Left, right, right, right with the parallel connector 
on the upper side. 

HDMI

terminal

DVI input

terminal

PN-ZB01

PN-L702B/L602B　DISASSEMBLY AND ASSEMBLY

 6 – 1

n

Do not touch the PWBs which employ lead-free solder with bare hands. Always use gloves.

n

Use the earth band when performing the procedures.

n

When servicing the Display such as replacing a PWB, make sure to service with the Display laid and with a protective sheet spread over the

LCD panel.

n

While working with the Display laid, or when moving the Display after the work, applying stress to the bezel may cause it to get deformed.  Be

sure to handle it with great care.

■ PN-L702B

1

1

3

11

3

6

7

8

8

8

8

8

8

8

8

8

8

8

10

10

10

8

8

8

8

4

2

B

C

D

E

F

G

R

S

Q

P

O

N

W

V

U

T

AA

AB

AC

Z

Y

X

J

K

L

M

I

H

A

5

9

PN-L702B/L602B　DISASSEMBLY AND ASSEMBLY

 6 – 2

A

FFC interface PWB unit

CPWBN1127MPE1

B

IF unit

CPWBX1129MP57

C

Interface PWB unit

CPWBN1136MPE1

D

DELTA DC PS unit

RDENC1023MPPZ

E

C-PWB unit

CPWBX1143MP31

F

5V Power supply unit

RDENC1019MPP1

G

AC relay PWB unit

CPWBF1117MPE3

H

SEN-XA70 PWB

CPWBX1138MPS1

I

SEN-XB70 PWB

CPWBX1138MPS2

J

SEN-XC70 PWB

CPWBX1138MPS3

K

SEN-XD70 PWB

CPWBX1138MPS4

L

SEN-XE70 PWB

CPWBX1140MPS3

M

SEN-XF70  PWB

CPWBX1141MPS2

N

LED-XA70 PWB

CPWBX1137MPS1

O

LED-XB70 PWB

CPWBX1137MPS2

P

LED-XC70 PWB

CPWBX1137MPS3

Q

LED-XD70 PWB

CPWBX1139MPS3

R

LED-XE70 PWB

CPWBX1137MPS4

S

LED-XF70 PWB

CPWBX1141MPS1

T

SEN-YA70 PWB

CPWBX1140MPS1

U

SEN-YB70 PWB

CPWBX1140MPS2

V

SEN-YC70 PWB

CPWBX1140MPS4

W

SEN-YD70 PWB

CPWBX1141MPS4

X

LED-YA70 PWB

CPWBX1139MPS1

Y

LED-YB70 PWB

CPWBX1139MPS2

Z

LED-YC70 PWB

CPWBX1139MPS4

AA

LED-YD70 PWB

CPWBX1141MPS3

AB

Switch PWB unit

CPWBF1128MPE1

AC

Key PWB unit

CPWBN1104MPE2

1

S-C FFC

QCNWN2791TPZZ

2

AC inlet cable

QCNW-1476MPQZ

3

Speaker cable

QCNW-1539MPQZ

4

Key cable 1

QCNW-1542MPPZ

5

IF I/F cable

QCNW-1538MPQZ

6

LVDS cable

QCNW-1541MPQZ

7

I/F LED cable

QCNW-1534MPQZ

8

FFC cable A

QCNW-1544MPPZ

9

Key cable FFC

QCNW-1507MPPZ

F

FFC cable B

QCNW-1545MPPZ

G

AC relay cable

QCNW-1531MPQZ