JVC PD-35D30ES, Руководство по обслуживанию

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PD-35D30ES
1-46 (No.52091)
WHITE
BALANCE
(HIGH LIGHT) Remote control
unit
Signal generator
[2. V/C]
S13: R GAIN
S15: G GAIN
S17: B GAIN (1) Receive a PAL 75% all-white signal.
(2) Set colour temperature to "NORMAL."
(3) Select "2. V/C" from the SERVICE MENU.
(4) Fix one of <S13> (R GAIN), <S15> (G GAIN), or
<S17>(B GAIN). Then, lower the other two that are
not fixed so that the all-white screen is equally white
throughout.
NOTE:
Set one or more of <S13>, <S15>, and <S17>
to 255.
(5) Check that white balance is properly tracked from
low light to high light.
If the white balance tracking is deviated, adjust to
correct it.
(6) Press the [OK] key to save the value.
OSD OFFSET Remote control
unit
Signal generator
[4.DD/CM]
OSD-G
(OSD green
offset)
OSD-B
(OSD blue offset)
OSD-R
(OSD red offset) (1) Input a picture whose signal (synchronization state)
is stable.
(2) Select "4. DD/CM" from the SERVICE MENU.
(3) Select <OSD-G>(OSD green offset). If you select
<OSD-G>, then the screen turns to OSD adjustment
mode. (See Fig.13)
(4) Adjust <OSD-G>, <OSD-B>(OSD blue offset),
and <OSD-R>(OSD red offset) so that OSD
background is in the same colour as its
surroundings.
When the background is in green, fix <OSD-G> and
adjust the other two.
When the background is in blue, fix <OSD-B> and
adjust the other two.
When the background is in red, fix <OSD-R> and
adjust the other two.
(5) Press the [OK] or [MENU] key to save the value.
(6) Check that there is no noise such as horizontal
noise.
(7) If noise is detected, lower <OSD-G>, <OSD-B>, and
<OSD-R> by one level so that no noise is detected.
Fig.13
Item
Measuring
instrument
Test point Adjustment part Description
Adjust so that background in this part is in the
same color as its surroundings.
OSD-G XXXX