Video Alignments - Toshiba 29VH27E Service Manual

Recommended Value:
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.
Min. Value:
Max. Value:
Recommended Value:

16.3.VIDEO ALIGNMENTS

Switch the program to colour bar test pattern. Press GREEN button to access this group of item. Select
the parameter by pressing up/down buttons. Adjust the parameter by pressing left/right buttons. Store
the settings by pressing OK button.
WdR, WdG, WdB: WHITE BALANCE ADJUSTMENT
Apply WHITE test pattern via RF. Adjust all analog functions to medium level and set WdR to 86, WdG
to 84, WdB to 80, if needed. Use colour analyser and monitor the colour temperature (X,Y) on colour
analyser. Select WdR and WdB by pressing up/down buttons and change the values by Left/Right
buttons till the following values are read:
X=285±10
Y=293±10 on the colour analyser.
CuR, CuG, CuB
Set the values of these items as 64 (constant).
YDFP
Enter a PAL B/G colour and black-white bar test pattern via RF. Adjust Y-Delay for PAL till the colour
transients on the colour bar of the pattern become as sharper and colours between transients do not
mix with each other as possible.
Min. Value:
Max. Value:
Recommended Value:
AGC
Apply PAL BG signal, VHF-3 Channel-12 and 60dBmV signal level. Adjust AGC (Automatic Gain
Control) item by pressing Left/Right buttons till the voltage at AGC point (pin1 of the tuner) becomes 3.0
volts.
Min. Value:
Max. Value:
Recommended Value:
TLAN
Text language is set. Options are W-T, W-E, W, E. W-T will be selected.
APS
The option of APS ( Automatic Program Searching) item are ON and OFF. In order to active APS
installation procedure when TV is turned for the very first time, select ON. Inorder to start TV without
APS installation procedure, select OFF.
T_T
This item is used for the Tuner selection. The options are SAM for SAMSUNG, THO for THOMSON,
SIE for SIEMENS, MK2 and MK3 for PHILIPS MP2/MP3, ALP for ALPS and TEC for Tecnisat. Select
THO.
T_P
This item is also used for the Tuner selection. The options are MK2, SAM, THO, TEM. MK2 for
PHILIPS, SAM for SAMSUNG, THO for THOMSON and TEM for TEMIC. Select SAM.
000
000
040
015
-07
001
-05
000
015
009
33