DOWNLOAD Sharp LL-191A Service Manual ↓ Size: 1.57 MB | Pages: 31 in PDF or view online for FREE

Model
LL-191A
Pages
31
Size
1.57 MB
Type
PDF
Document
Service Manual
Brand
Device
Monitor
File
ll-191a.pdf
Date

Sharp LL-191A Service Manual ▷ View online

LL-191A-W/B
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 10
12. If writing of EDID is completed properly or if the CANCEL button is
pressed on the EDID error screen, the screen will return to the bar-
code read screen at step (8).
Now, you can write EDID for other sets.
13. Setting [Product information] after loading EDID program 
1. Turn off the main power supply.
2. Hold down the [MODE] + [
3
] buttons and press the
[POWER] button.
3. If the above screen is displayed, press both the [
1
] + [
3
] buttons
simultaneously.
4.
Check the model name and serial number on the screen
against those on the name plate on the said monitor and make
sure they are the same before pressing the MENU button.
5.
Hold down the [MODE] button and press the [POWER] button.
The former model name, serial number and the usage time are dis-
played.
6.
Press the [POWER] button to shut off the software power supply.
[Supplementary explanation]
o
How to set the printer port I/O address to 378.
1. Open the Control Panel and then click System.
2. Open the Device Manager tab and select the Display by Type radio
button.
3.
Click the "+" mark at the left of Port (COM/LPT) and check that there is
"Printer Port (LPT1), " "ECP Printer Port (LPT1)" or the like in the list.
4. Open the Properties of Printer Port (LPT1), and then open the
Resource tab.
  CONNECTION OF FIRMWARE EDID WRITING BOARD
MODEL S/N
MODEL
:
S/N
:
DISCONNCT ANALOG RGB 
CABLE
PRESS BOTH [
1
] AND [
3]
 KEY
OK
[MENU]
MODEL S/N
MODEL
: LL-191A-W
S/N
: 3H00001Y
DISCONNCT ANALOG RGB 
CABLE
PRESS BOTH [
1
] AND [
3
] KEY
OK
[MENU]
MODEL S/N
MODEL
: LL-191A-W
S/N
: 3H00001Y
USEGE TIME : 00000H
OK
[MENU]
USE X1049MP-27
ġ
DVI-D
connector
RGB
 
connector
USB
Serial connector
Parallel connector
Board
USB cable
ġ
ġ
ġ
Connect to the USB
port of the PC (5V)
RGB
terminal
Rear part
The directions of the DIP switch of the X1049MP-27
SW1
ȇ
Parallel (EDID)
Serial (PROGRAM)
SW2
ȇ
AUTO
MANUAL
SW3
ȇ
1502A
T1620
SW4
ȇ
1502A
T1620
Connect to the
printer port of PC.
LL-191A-W/B
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 11
5. PROCEDURE FOR REPLACING MAIN PWB FOR THE LL-191A SERIES
[Outline of work]
1.
The following two information is read from the old monitor.
• USEGE TIME
• SOGREF (sync-on green reference)
2.
Exchenge PWB, and write the serial number to EDID.
(Writing LL-191A series EDID writing board)
3.
If necessary, updated the firmware.
(How to use the LL-191A firmware program writing)
4.
Set [domestic model] or [OTHER model].
(Select OSD default language)
5.
Write the content of the setting of the user who read by the above-
mentioned. (USEGE TIME, SOGREF)
6.
Last Check
[Detailed procedure of work]
1.
The following information is read from the old monitor.
Explains from a monitor's power supply OFF condition.
1. Hold down the [MENU] + [MODE] buttons and press the [POWER]
button.
2. The following screen is displayed.
Record the usage time (150 hours in this case).
3. Turn off the main power supply, and hold down the [MENU] +
[MODE] + [
3
] buttons and press the [POWER] button.
Record the SOGREF value (150 hour in this case).
4. Press the [POWER] button to turn the POWER supply off.
Caution: When a user monitor does not operate, set up as follows.
USEGE TIME = 0 hour
SOGREF
= 1
2.
Exchanged are PWB, and write the serial number to EDID.
1. Exchanged are main PWB.
2. Write EDID of the corresponding model. (Model name, S/N)
(Reference How to use the LL-191A firmware program writing)
3.
The contents of EDID are written in USER EEPROM.
(Reference How to use the LL-191A firmware program writing)
3.
If required, firmware is upgraded.
(Reference How to use the LL-191A firmware program writing)
4.
Set up [Domestic model] or [OTHER model].
1. Hold down the [MENU] + [
1
] and [
3
] buttons and press the
[POWER] button.
2. Since OSD DEFAULT LANGUAGE is displayed, cursor is
moved to a language to set.
JAPAN: JAPANESE
OTHER : ENGLISH
3. Press the [POWER] button to turn the POWER supply off.
4.
Hold down the [MENU] + [MODE] buttons and press the [POWER]
button.
All reset is executed and the [ENGLISH] OSD is displayed.
5.
Press the [POWER] button to turn the POWER supply off.
5. Content of the setting of the user who read the above-mentioned is
written. 
<REFLECTION OF USEGE TIME>
1.
Hold down the [MENU] + [MODE] + [
1
] buttons and press the
[POWER] button.
The following screen is displayed
2.
Press the [
1
] + [
3
] buttons simultaneously.
Inputted the old monitor is usege time
(Caution: Set up 0, in exchanging the LCD panel simultaneously.)
3.
After making sure the usage time is set, press the [MENU] but-
ton to finish the setting.
4.
Press the [POWER] button to turn the POWER supply off.
<REFLECTION OF SOGREF>
1.
Hold down the [MENU] + [MODE] + [
1
] buttons and press the
[POWER] button.
Set value SOGREF is matched to the user. 
2.
Press the [POWER] button to turn the POWER supply off.
6. Last check
1.
Hold down the [MENU] + [MODE] buttons and press the [POWER]
button.
All reset is executed and the [ENGLISH] OSD is displayed.
2.
Turn off a power supply, and hold down the [MODE] buttons and
press the [POWER] button.
The former model name, serial number and usage time are
shown as follows:
Check whether it isset as usege time is the old monitor.
Check the language setting on the version notification screen.
JAPAN: JAPANESE
OTHER : ENGLISH
3.
Hold down the [MENU] + [MODE] and [
3
] buttons and press the
[POWER] button.
Check whether it isset as SOGREF is the old monitor.
4.
Turn off a power supply, and hold down the [MODE] buttons and
press the [POWER] button, and turn off a Rear part power supply
MODEL S/N
MODEL
:LL-191A-W
S/N
:3H00321Y
USEGE TIME : 000150 h
OK
[MENU]
SOGREF  3 [ I I                   ]
OSD  DEFAULT  LANGUAGE
JAPANESE          ENGLISH
SET/RESET USAGE TIME
SOGREF  1 [ I I                   ]
MODEL S/N
MODEL
:LL-191A-W
S/N
:3H00321Y
USEGE TIME : 000150 h
OK
[MENU]
SOGREF  3 [ I I                   ]
LL-191A-W/B
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 12
6. PROCEDURE FOR REPLACING PANEL
FOR THE LL-191A SERIES
[Outline of work]
When replacing the LCD panel with a new one, select [USEGE TIME]
using the [0].
([USEGE TIME] is the standard of the total of the lamp lighting time of a
panel. at the time of new panel use, it is alike and sets up)
[Detailed procedure of work]
1.
Exchanged are Panel.
2.
To set 0 in "Use time", following operates it. 
1. Hold down the [MENU] + [MODE] + [
1
] buttons and press the
[POWER] button.
2. Press the [
1
] + [
3
] buttons simultaneously.
Because the following screen is displayed, each item is set to
all 0. 
Movement of an item can be performed in [MODE].
Numerical change is possible at [
1
] or [
3
].
3. After making sure the usage time is set for 0 hours,
press the [MENU] button to finish the setting.
3.
Press the [POWER] button to turn the POWER supply off., and hold
down the [MODE] buttons and press the [POWER] button.
4.
Press the [POWER] button to turn the POWER supply off, and hold
down the [MODE] buttons and press the [POWER] button, and turn off
a Rear part power supply
SET/RESET USAGE TIME
USAGE TIME
MANUAL RESET
X10000
0 [ - - - - - - - - - - ]
X1000
0 [ - - - - - - - - - - ]
X100
1 [ - - - - - - - - - - ]
X10
5 [ | | | | | - - - - -  ]
X1
0 [ - - - - - - - - - - ]
LL-191A-W/B
DISASSEMBLY AND ASSEMBLY
3 – 1
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
1.
REMOVEING DISPLAY UNIT
Remove the four screws 
1
 and separate the display unit 
2
.
2.
REMOVEING REAR COVER
Remove the four screws 
1
 and separate the display unit 
2
.
Caution: They are those of four pawls with a part which are
inserted in mutually to the lower part.
3.
REMOVING MAIN SHIELD
Remove the two screws 
1
 and separate the main shield 
2
.
4.
PEMOVING POWER SUPPLY PWB
Remove the three connectors 
1
.
Remove the five screws 
2
 and separate the power supply PWB 
3
.
5.
REMOVING SCALAR PWB AND AUDIO PWB
Remove the three connectors of scalar PWB 
1
Remove the six screws 
2
 and separate the scalar PWB 
3
 and
audio PWB 
4
.
6.
REMOVING LCD PWB
Remove the LCD unit 
1
  from rear-cover.
1
2
1
1
1
2
1
1
1
2
1
1
1
3
2
2
2
1
1
1
3
4
2
2
2
1
Page of 31
Display

Click on the first or last page to see other LL-191A service manuals if exist.