Sharp LC-32WD1E/S/RU Service Manual page 30

LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E
[8.2] Using White Point Calibration Items
Item # Item
276 Gam-20IRE-R
277 Gam-80IRE-R
278 Gam-20IRE-G
279 Gam-80IRE-G
280 Gam-20IRE-B
281 Gam-80IRE-B
[8.3] Using Virgin Bit
Item # Item
858 Virgin bit
Adjustment Conditions
• White point adjustment can only
be done after a preheating
(burn-in) of the TV set or LCD
panel for at least 15 minutes.
• The White point adjustment can
only be done with an I2c tool
and the SW to control the W/B
settings.
Adjustment Reference Device:
• Minolta CA-210
Adjustment Conditions
None.
Adjustment Procedure
Target Values:
80% WHITE WINDOW
x: 0.2764 ± 0.0050
y: 0.2814 ± 0.0050
Lv: 243.1 ± 50.0
20% WHITE WINDOW
x: 0.2764 ±0.0075
y: 0.2814 ±0.0075
Lv: 11.5 ±10.0
1. Position the colorimeter Minolta CA-210 against the panel
exactly in front-mid of the panel (in a dark room)
2. Send the I2c command to generate the internal 80%
white test-picture from PNX.
3. Measure the Lv with the CA-210 and adjust the 80%
green value via I2c commands.
* Lv = G
4. Measure the y parameter with the CA-210 and adjust the
80% Blue value via I2c commands.
* y = -B
5. Measure the x parameter with the CA-210 and adjust the
80% Red value via I2c commands.
* x = R
Repeat the Blue and Red adjustment twice to get a better
end result.
6. Send the I2c command to generate the internal 20%
white test-picture from PNX.
7. Measure the Lv with the CA-210 and adjust the 20%
Green value via I2c commands.
* Lv = G
8. Measure the y parameter with the CA-210 and adjust the
20% Blue value via I2c commands.
* y = -B
9. Measure the x parameter with the CA-210 and adjust the
20% Red value via I2c commands.
* x = R
10. Repeat the Blue and Red adjustment twice to get a better
end result.
Adjustment Procedure
1. Enter the adjustment process mode.
2. Go to this item. Press
3. Press to put the TV into standby mode.
4. Press to turn the TV on.
The TV is in virgin mode. The setup wizard should be
displayed on the screen.
5 - 11
to set the item to 1.