Zenith P42W34 Service Manual page 19

5. Adjustment of White Balance
5-1. Required Equipment
Color analyzer (CA-100 or similar product)
5-2. Connection Diagram of Equipment for
Measuring
(Manual Adjustment)
R-H 216 R-H 216
G-H 216 G-H 216
High Light
216 Gray Level
<Fig 2> Connection Diagram of Manual Adjustment
5-3. Adjustment of White Balance
Operate the Zero-calibration of the CA-100, then apply the
O
sensor to the PDP display surface.
Manual adjustment is also possible with the following sequence.
O
(1) Select WHITE PATTERN of HEAT RUN mode by pressing
POWER ON KEY on the Adjustment R/C, then operate the
HEAT RUN for at least 15 minutes.
(2) Supply 216Gray, 50% size length and breadth signal to RGB
input. (Refer to Fig 2)
(3) W/B adjustment must be adjusted only High Light and then
save the adjustment value with
(4) To adjust High Light, apply sensor to 216 Gray Level (or 105-
115 Cd/m 2 ) Pattern, press ADJ Key on Adjustment R/C and
press T, U on Adjustment R/C to select R-L or G-L, press
VOL +, - Key(s) to adjustuntil color coordination becomes as
below.
X: 0.280±0.003, Y: 0.290±0.003
Color temperature: 10,000°K±500°K
(5) Exit adjustment mode using Y Key.
All manuals and user guides at all-guides.com
ADJUSTMENT INSTRUCTIONS
RGB Signal Input
PDP MONITOR
Window
VG828, MSPG-2100
or MSTG-5200
Y Key.
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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 (DVI-D)
6-2. Setting of Device
6-3. Preparation for Adjustments
(1) Set devices as above and turn the PC, JIG on.
(2) Open S/W for writing DDC (EDID data write & read).
(operated in DOS mode)
6-4. Sequence of Adjustments
(1) DDC Data Input for Analog-RGB
1) Place the set on the table and turn the power on.
2) Connect PC Serial to D-sub 15P Cable of JIG for DDC
Adjustment to RGB terminal (D-Sub 15Pin).
3) Open S/W for DDC record and select DDC Data for
Analog RGB in Model Menu.
4) Operate EDID Write command.
5) Operate EDID Read command and check whether
Check Sum is OK.
6) If Check Sum is NG, repeat 3) ~ 4).
7) If Check Sum is OK, DDC Data for Analog-RGB input is
completed.
(2) DDC Data input for Digital-RGB
1) Connect PC Serial to DVI Cable(DVI-D) of JIG for DDC
Adjustment to DVI terminal.
2) Operate S/W for DDC record and select DDC Data for
Digital RGB in Model Menu.
3) Operate EDID Write command.
4) Operate EDID Read command and check whether
Check Sum is OK.
5) If Check Sum is NG, repeat 3) ~ 4).
6) If Check Sum is OK, DDC Data for Digital-RGB input is
completed.