Zenith Z52SZ80 Service Manual page 16

12-4. NDC Adjustment
For compensation deviation of each Lamp uses NDC Mode.
Using Channel Keys on the Remote Control adjust so the unit
has a uniform color of White (Lamp life compensation).
<Fig. 17> TEST Pattern
As temperature is different sensitivity, change angle of the
color wheel. At this time, the adjustment is done because the
color may be changed.
13. White Balance Adjustment
(CCA Adjustment)
13-1. Required Test Equipment
13-2. Preparation for Adjustment
(1) Install the equipment(CA-210) be 5cm away from screen
center.
(2) RS-232C cable is connected from Control PC in the SET.
(3) Measure is started in the statement that SET is done to
Heat Run.
<Fig. 18> CCA Automatic Adjustment Set-up
ADJUSTMENT INSTRUCTIONS
: CA-210
13-3. Sequence of Adjustment
(1) Auto adjustment program is practiced (ccws.exe)
(2) Measure Model is chosen in Work->Select_Model. (*cmf
file)
(3) Check 'Cool Inspection', Warm Inspection', Medium
Inspection' box of left column in the main screen come to
be checked.
[ If it was not checked, Inspection is not practiced after doing
measure.
(4) Color Coordinate Value
44/52SZ8D-UA
Cool
Warm
Medium
<Fig. 19> CCA Automatic Adjustment Program Main Screen
(5) Click Auto Measure.
-> There is progress situation in the right 'Auto CCA
Process'.
(Start measure automatically to R->G->B->W order,
practicing to inspection about White, OK, NG are judged
in the right subpart and then being marked.)
(6) Adjustment finishing in case OK.
(7) In case NG, Auto Measure is again practiced in 1~2 times.
In cats NG, adjustment NG is managed to repractice of the
3 times.
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X Coordinate Y Coordinate
275 277
313 320
287 289
±6
±6
±6