Toshiba 29VH27D, Service Manual

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Recommended Value: 000
V-SIZE
Change Vertical Size by pressing Left/Right buttons till horizontal black lines on both the upper and
lower part of the test pattern become very close to the upper and lower horizontal sides of picture tube
and nearly about to disappear. Check and readjust V-SIZE item if the adjustment becomes improper
after some other geometric adjustments are done.
Min. Value:
-128
Max. Value: 127
Recommended Value: 068
H-SHIFT
Change Horizontal Shift by pressing Left/Right buttons till the the test pattern is horizontally in equal
distance both to right and left sides of the picture tube. Check and readjust H-SHIFT item if the
adjustment becomes improper after some other geometric adjustments are done.
Min. Value:
0000
Max. Value: 1295
Recommended Value: 1218
H-SIZE
Change Horizontal Size by pressing Left/Right buttons till no under-scan condition will happen, i.e. no
white bars on the left and right side of the test pattern will be visible nor picture will be so wide. Check
and readjust H-SIZE item if the adjustment becomes improper after some other geometric adjustments
are done.
Min. Value:
-128
Max. Value: 127
Recommended Value: 012
S-COR
Change S-Correction by pressing Left/Right buttons till the size of squares on both the upper and lower
part of test pattern become equal to the squares laying on the vertical center of the test pattern. Check
and readjust S-COR item if the adjustment becomes improper after some other geometric adjustments
are done.
Min. Value:
-128
Max. Value: 127
Recommended Value: 027
LINRT
Change Linearity by pressing Left/Right buttons till all the size of squares of the test pattern become in
equal size from the top of the screen to its bottom of the whole screen. Check and readjust LINRT item
if the adjustment becomes improper after some other geometric adjustments are done. (especially after
than S-COR adjustment)
Min. Value:
-128
Max. Value: 127
Recommended Value: -01
ANGLE
Change Angle by pressing Left/Right buttons till the vertical lines of the crosshatch pattern become
completely perpendicular to horizontal lines without any angle of vertical deviation. Check and readjust
ANGLE item if the adjustment becomes improper after some other geometric adjustments are done.
Min. Value:
-128
Max. Value: 127
Recommended Value: 001
BOW
Change Bow by pressing Left/Right buttons till the vertical lines especially ones close to the left and
right sides will of equal and symmetrical bending, i.e. they together will neither be towards left side nor
right side. Check and readjust BOW item if the adjustment becomes improper after some other
geometric adjustments are done.
Min. Value:
-128