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Sanyo VMC-8621PA Service Manual page 7

Colour video monitor
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ADJUSTMENT
TIMING
ITEM
PATTERN
WHITE BAL-
PATTERN GENERATOR
ANCE AD-
NO SIGNAL
JUSTMENT
LUMINANCE
PATTERN GENERATOR
ADJUSTMENT
MONO SCOPE
PURITY
PATTERN GENERATOR
CHECK
NO SIGNAL
PATTERN GENERATOR
FULL WHITE
PATTERN GENERATOR
WINDOWS PATTERN
The way of adjusting it which a color analyzer is not used for.
ADJUSTMENT
TIMING
ITEM
PATTERN
WHITE BAL-
PATTERN GENERATOR
ANCE AD-
NO SIGNAL
JUSTMENT
and
LUMINANCE
ADJUSTMENT
PATTERN GENERATOR
FULL WHITE
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SETTING
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
SETTING
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
BRIGHT VR ,
CONTRAST VR
and SHARPNESS
VR TO MAX.
– 7 –
VR
ADJUSTMENT PROCEDURE
LOCATION
VR801,VR803,
Adjust VR805 G-Bias to center.
VR805,
Adjust FBT screen VR make luminance
FBT SCREEN
without video to 0.6 ~ 1.0 FL.
Adjust VR801 make X value is 0.313 ±
VR
0.015.
Adjust VR803 make Y value is 0.329 ±
0.015.
VR804,VR802,
Adjust VR501 make luminance with video
VR501
signal to 38 ~ 42 FL.
Adjust VR804 make X value is 0.313 ±
0.015.
Adjust VR802 make Y value is 0.329 ±
0.015.
FBT SCREEN
Adjust FBT screen VR make luminance
VR
without video signal is 2 ~ 4 FL.
Adjust VR501 make luminance is 52 ± 3
VR501
FL.
Adjust VR502 make luminance is 110 ±
VR502
10 FL.
Then make sure Full White luminance
whether it is 52 ± 3 FL.
VR
ADJUSTMENT PROCEDURE
LOCATION
VR801,VR802,
VR801,VR802,VR803,VR804 and VR805
VR803,VR804,
is center position.
VR805,
Adjust the VR801, VR803 and FBT
FBT SCREEN
SCREEN VR to dark gray with screen.
VR
VR804,VR802,
Adjust the VR802 and VR804 to white
VR501
gray with screen.
Adjust the VR501 it makes the screen of
the monitor proper brightness.

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