32
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
Max. Value:
127
Recommended Value:
-03
TRPEZ
Change Trapezium by pressing Left/Right buttons till vertical lines, especially lines at the sides of the
picture frame became parallel to the both sides of picture tube as close as possible. Check and readjust
TRPEZ item if the adjustment becomes improper after some other geometric adjustments are done.
Min. Value:
-128
Max. Value:
127
Recommended Value:
-07
PARAB
Change Parabol by pressing Left/Right buttons till vertical lines close to the both sides of the picture
frame become parallel to vertical sides of picture tube without any bending to left or to right side of the
screen. Check and readjust PARAB item if the adjustment becomes improper after some other
geometric adjustments are done.
Min. Value:
-128
Max. Value:
127
Recommended Value:
-46
U.COR
Change Upper Correction by pressing Left/Right buttons till vertical lines at the upper corners of the
picture frame become vertical and parallel to vertical corner sides of picture tube. Check and readjust
U.COR item if the adjustment becomes improper after some other geometric adjustments are done.
Min. Value:
-128
Max. Value:
127
Recommended Value:
001
L.COR
Change Lower Correction by pressing Left/Right buttons till vertical lines at the lower corners of the
picture frame become vertical and parallel to vertical corner sides of picture tube. Check and readjust
L.COR item if the adjustment becomes improper after some other geometric adjustments are done.
Min. Value:
-128
Max. Value:
127
Recommended Value:
008
TILT
This adjustment only works when the TV has rotation option. Change TILT by pressing Left/Right
buttons to rotate the complete raster clock-wise and counter clock-wise depending on the CRT. Check
and readjust TRPEZ item if the adjustment becomes improper after some other geometric adjustments
are done.
Min. Value:
000
Max. Value:
063
Recommended Value:
049
TRPZD
Not used for this model.
NTSCHS
Change NTSC horizontal size by pressing Left/Right buttons to adjust till no under-scan condition will
happen, i.e. no white bars on the left and right side of the NTSC test pattern will be visible nor picture
will be so wide. Check and readjust TRPEZ item if the adjustment becomes improper after some other
geometric adjustments are done.
Min. Value:
000
Max. Value:
010
Summary of Contents for 29VH27E
Page 1: ...SERVICE MANUAL PRINTED IN UK 2003 C COLOURTELEVISION 29VH27E TOSHIBA 050 200332 AK52 Chassis ...
Page 2: ...SM52 DRX_IF ...
Page 42: ...37 18 CIRCUIT DIAGRAMS 11ak52e3 VIDEO ...
Page 43: ...38 11ak52e3 2 ...
Page 44: ...39 11ak52e3 3 ...
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Page 57: ...52 11tp52 1 ...
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Page 59: ...SM52 PHILIPS_IF ...
Page 98: ...37 18 CIRCUIT DIAGRAMS 11ak52b4 VIDEO ...
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Page 170: ...Cabinet Exploded View N A ...