Required Equipment; Required Test Equipment - LG MT-42PZ44 Service Manual

(2) Vs Adjustment
¤ Connect + terminal of D.M.M to Vs pin of P805 and
connect – terminal to GND pin of CN803.
¤Ł After turning the VR551, voltage of D.M.M adjustment
as same as Vs voltage which on label of panel
Right/Top. (Deviation : ±0.5V)
5. Adjustment of White Balance

5-1. Required Equipment

Color analyzer (CA-100 or same product)
5-2. Connection Diagram of Equipment for
Measuring
(Manual Adjustment)
R-L 70 R-L 70
G-L 70 G-L 70
R-M 128 R-M 128
G-M 128 G-M 128
R-H 216 R-H 216
G-H 216 G-H 216
High Light adjustment
216 Gray Level
2
105 ~ 115 Cd/m
<Fig 2> Connection Diagram of Manual Adjustment
5-3. Adjustment of White Balance
Operate the Zero-calibration of the CA-100, then stick
O
sensor to PDP module surface when you adjust.
For manual adjustment, it is also possible by the following
O
sequence.
(1) Select WHITE PATTERN of HEAT RUN mode by pressing
POWER ON KEY on remote control for adjustment then
operate HEAT RUN more than 10 minute.
(2) Supply 216Gray Level, 50% size length and breadth signal
to RGB input. (Refer to Fig 2)
(3) To adjust High Light, stick sensor to 216Gray Level(or
105~115 Cd/m2) Pattern, press ADJ Key on R/C for
adjustment and press D , E on R/C in adjustment mode to
select R-L or G-L, press VOL +, - Key and adjust it until
color coordination becomes as below.
[MZ-42PZ4x, MT-42PZ4x]
X: 0.270±0.003, Y: 0.267±0.003
Color temperature: 13,000°K±500°K
(4) Exit adjustment mode using
6. DDC Data Input

6-1. Required Test Equipment

(1) A jig for adjusting PC, DDC. (PC serial to D-sub.
Connection equipment)
(2) S/W for writing DDC(EDID data write & read)
(3) D-Sub 15P cable, D-Sub to DVI Connector (Connect to
DVI Jack)
RGB Signal Input
Window
MSPG-2100 or
MSTG-5200
Key.
V
6-2. Setting of Device
6-3. Preparation for Adjustment
(1) Set devices as above and turn the PC, jig on.
(2) Put S/W for writing DDC (EDID data write & read) into
operation. (operated in DOS mode.)
6-4. Sequence of Adjustment
(1) DDC Data Input for Analog-RGB
¤ Put the set on the table and turn the power on.
¤ŁConnect PC Serial to D-sub 15P Cable of JIG for DDC
Adjustment to RGB terminal (D-Sub 15Pin).
¤Ø Operate S/W for DDC record and select DDC Data for
Analog RGB in Model Menu.
¤Œ Operate EDID Write command.
¤º Operate EDID Read command and check whether
Check Sum is OK.
¤ If Check Sum is NG, repeat c) ~ d).
¤ If Check Sum is OK, DDC Data for Analog-RGB input is
completed.
(2) DDC Data input for Digital-RGB
¤ Connect PC Serial to DVI Cable of JIG for DDC
Adjustment to RGB2 terminal (DVI Jack).
¤ŁOperate S/W for DDC record and select DDC Data for
Digital RGB in Model Menu.
¤ØOperate EDID Write command.
¤Œ Operate EDID Read command and check whether
Check Sum is OK.
¤ºIf Check Sum is NG, repeat c) ~ d).
¤ If Check Sum is OK, DDC Data for Digital-RGB input is
completed.
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