Read Sharp LL-193 (serv.man2) Service Manual online
LL-193A/LL-193G
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTION
2 – 12
7. PROCEDURE FOR REPLACING LL-193A/G SERIES MAIN PWB
[Outline of work]
For replacement of the main PWB of the LL-193A/G series, the follow-
ing procedure should be followed:
1) Read the following two pieces of information from the old monitor.
• Usage Time
• SOGREF
2) Replace the PWB with a new one and write the EDID for the model.
(For the procedure, see the LL-193A/G EDID Writing Procedure.)
3) Upgrade the firmware if necessary.
(For the procedure, see the LL-193A/G Flash Memory Writing Pro-
cedure.)
cedure.)
4) Set up for the domestic or overseas model.
(Set the default setting of OSD language.)
5) Write the user settings (Usage Time, SOGREF) which have been
read in step 1.
6) Final checking
[Detailed information on the procedure]
1) Read the information (Usage Time, SOGREF) from the old monitor.
The following explanation is given supposing that the monitor is
now OFF.
1 Hold down the [MENU] button and [3] while pressing the
[POWER] button.
2 The following version information is displayed. Write down
Usage Time and SOGREF value.
In the case of the above display, write down 150 as Usage Time
and 3 as the SOGREF value.
3 Press the [POWER] button to turn off the power.
Caution: If the user's monitor does not work, set:
Usage Time = 0
SOGREF = 1
SOGREF = 1
2) Replace the PWB with a new one and write the EDID for the model
in the following manner:
1 Replace the PWB with a new one.
2 Write the EDID for the model. (The model name and serial num-
ber are written.)
For the procedure, see the LL193A/G EDID Writing Procedure.
3 Write the contents of the EDID to the User EEPROM.
For the procedure, see the 1193A/G EDID Writing Procedure.
3) Upgrade the firmware if necessary.
For the procedure, see the LL-193A/G Flash Memory Writing Pro-
cedure.
4) Set up for the domestic or overseas model. (Set the default setting
of OSD language.)
1 Hold down the [MENU], [1] and [3] while pressing the
[POWER] button.
2 The SERVICE MODE menu is displayed. Select the DEFAULT
LANGUAGE.
3 The DEFAULT LANGUAGE (the language shown after ALL
RESET is performed.) menu is displayed. Select the language
you want to use.
• Domestic model: JAPANESE
• Overseas model: ENGLISH
• Overseas model: ENGLISH
4 Press the [MENU] button to return to the SERVICE MODE menu.
5) Write the contents of the user settings which have been read in item
1 on the preceding page.
<Usage Time>
1 On the SERVICE MENU screen, select USAGE TIME.
The screen looks like this.
2 Press both the [1] and [3] buttons at the same time.
Enter the Usage Time of the old monitor.
(Note: If you replace the LCD panel together, set the Usage
Time to 0.)
You can move through a list of items using [MODE].
You can move through a list of items using [MODE].
You can also increase or decrease the value using [
1] and
[
3].
(If the cursor is at MANUAL, the value is set to 00000 when the
[
3] and [RESET] are pressed at the same time.
VERSION
: 1.0X (2005XXXX)
CHECKSUM
: OK XXXX
MODEL : LL-193A-B
S/N
S/N
: 4T000014
LANG
: ENGLISH
TIME
: 00150H
SOGREF : 3
SERVICE MODE
DEFAULT LANGUAGE
MODEL S/N
USAGE TIME
SOGREF
MODEL S/N
USAGE TIME
SOGREF
OSD DEFAULT LANGUAGE
JAPANESE
ENGLISH
SERVICE MODE
DEFAULT LANGUAGE
MODEL S/N
USAGE TIME
SOGREF
MODEL S/N
USAGE TIME
SOGREF
SET/RESET USAGE TIME
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