TOSHIBA 29VH27D
Manual de Servicio

Max. Value: Recommended Value:

127 -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 Recommended Value: 000 TXTV Change TXTV by pressing Left/Right buttons to adjust the proper vertical size of Teletext screen. Check and readjust TRPEZ item if the adjustment becomes improper after some other geometric adjustments are done. 32