Haier HS-2190, Руководство по обслуживанию

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Item Data Content
RCUT 20 Red dark balance
GCUT 20 Green dark balance
BCUT 20 Blue dark balance
GDVR 40 Green bright balance
BDVR 40 Blue bright balance
Press the
⊟
button on the remote controller. A horizontal bright line will appear on the screen.
Then adjust the screen grid (G2) potentiometer on the horizontal output transformer in such a
way that the bright line on the screen is just visible. If a red horizontal bright line appears,
press down button blue + while pressing red + until the line turns purple. If it exceeds, press
button blue – until the line turns purple. Then press button green + to turn the line into white.
If it exceeds, press button green – until the line turns white. Finally, press button
⊟
to recover
the screen.
c. Bright balance adjustment
Adjust the brightness and contrast control to make the screen brighter and the chrominance
off. Press the item selection buttons for green or blue bright balance. Adjust the brightness
and contrast control to make the screen darker and check the white balance of the low
brightness. If the dark balance is not proper, adjust the dark balance adjusting button to
achieve good white balance for low and high brightness. The white balance adjustment
finishes. Finally, switch off the set with the remote controller and quit the maintenance
adjustment state.
Note: many maintenance item adjustments can be done with I
2
C bus control. They are not
explained one by one hereby. The adjustment item states are listed below for the maintenance
personnel:
(2) Enter the S-MODE state with the user remote controller
Press the volume down button on the set until the volume is 00 on the screen. Keep holding it
and press button DISP on the remote controller. Character S appears on the top right corner of
the screen, indicating that it is S-MODE maintenance state. The following is shown on the
screen:
RCUT 20 S
28
S-MODE includes the most often used items. Press the program up or down button to select