LG MW-30LZ10, Service Manual

Page: 4 / 23

- 4 -
1. Application Object
These instructions are applied to all of the MODELS of LCD
MONITOR, MF-02HA.
2. Notes
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order. But, it can
be changed in consideration of mass production.
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver must keep 220V, 60Hz in
adjusting.
[
Input voltage is possible from 85V to 260V because the
power voltage applied to this chassis is Wide-Range. But,
adjustment should be operated in 220V/60Hz if there is no
specific designation.
(5) The receiver must be operated for about 15 minutes prior
to the adjustment.
¤
After receiving 100% white pattern(06CH), the receiver
must be operate prior to adjustment.(Or white condition
in HEAT-RUN mode)
¤Ł
Enter into HEAT-RUN mode
- Select HEAT RUN OFF by pressing ADJ button on
Remote Control for adjustment.
- Press the VOL + button in HEAT-RUN OFF.
(OSD displays HEAT-RUN WHITE and screen
displays 100% full WHITE PATTERN)
[
Set is activated HEAT-RUN without signal generator
in this mode.
[
Single color pattern of HEAT-RUN mode can be used
to check PANEL.(RED/BLUE/GREEN)
[Caution] If you turn on a still screen more than 20 minutes
(especially, Digital pattern[13 CH], Cross Hatch
Pattern[09CH]), a afterinage may be occur in the black
level part of the screen.
3. Adjustment Items
3-1. Whole Assembly Adjustment
(1) White Balance Adjustment
(2) SUB-BRIGHT Adjustment : Sub-Bright adjustment in LCD
panel is not necessary. Do not adjust sub-bright if there is
no specific designation.
(3) RGB CUT-OFF Adjustment : Under examination about
auto adjustment which correspond to the new Rembrandt-
1A.
3-2. EDID (The Extended Display
Identification Data) Adjustment
(1) This is the function that is made for the realization of “Plug
and Play” which makes possible to use the user
environment right after reorganization by communicating
with monitor automatically.
(2) EDID DATA for DVI of MF-02HA
EDID table =
00 01 02 03 04 05 06 07 08 09
_________________________________
000 | 00 FF FF FF FF FF FF 00 1E 6D
010 | D7 3A 01 01 01 01 33 0B 01 01
020 | 81 40 26 96 08 B7 FB A1 56 48
030 | 98 24 13 48 4B AF EF 00 81 00
040 | 31 59 45 59 61 59 81 80 71 4F
050 | 01 01 01 01 BC 34 00 98 51 00
060 | 2A 40 10 90 13 00 40 26 00 00
070 | 00 1E 00 00 00 FC 00 4D 57 20
080 | 33 30 4C 5A 31 30 0A 20 20 20
090 | 00 00 00 FD 00 3C 78 1F 5B 10
100 | 00 0A 20 20 20 20 20 20 D5 09
110 | 80 A0 20 E0 2D 10 10 60 A2 00
120 | EE F0 75 00 00 18 00 BD
(3) EDID DATA for RGB of MF-02HA
EDID table =
00 01 02 03 04 05 06 07 08 09
__________________________________
000 | 00 FF FF FF FF FF FF 00 1E 6D
010 | D7 3A 01 01 01 01 33 0B 01 01
020 | 1E 40 26 96 08 B7 FB A1 56 48
030 | 98 24 13 48 4B AF EF 00 81 00
040 | 31 59 45 59 61 59 81 80 71 4F
050 | 01 01 01 01 BC 34 00 98 51 00
060 | 2A 40 10 90 13 00 40 26 00 00
070 | 00 1E 00 00 00 FC 00 4D 57 20
080 | 33 30 4C 5A 31 30 0A 20 20 20
090 | 00 00 00 FD 00 3C 78 1F 5B 10
100 | 00 0A 20 20 20 20 20 20 D5 09
110 | 80 A0 20 E0 2D 10 10 60 A2 00
120 | EE F0 75 00 00 18 00 BD
(4) Refer to Service Manual related to EDID communication.
4. Whole Assembly Adjustment
<Caution> Each PCB Assy must be checked by Check JIG Set
before assemling.(Be careful about power PCB ASSY
which can give a fatal damage to the LCD Module)
4-1. White Balance Adjustment
(1) Required Equipment
Color analyzer(CA-100 or same production)
ADJUSTMENT INSTRUCTION