29A-80ST
29A-90ST
SERVICE ADJUSTMENT
Screen AdjustmentSub-Tint Adjustment
1. Receive a good local channel.1. Receive a good local channel.
2. Enter the service mode and select the service No.2. Set customer tint control to center of it's range.
"S11" and set the data value to "00" to set the color3. Enter the service mode and select the service No.
level to minimum. (Record original data code under"S10".
No. "S11" before changing) You may skip this step, if4. Adjust "S10" data value to obtain normal flesh tones.
you selected a B/W picture or monoscope pattern.
3. Select the service No. "S21" and adjust the data valueSub-Color Adjustment
to "01", this turn off the luminance signal (Y-mute).
1. Receive a good local channel.
4. Select the service No. "S12" and adjust data value to
2. Make sure the customer color control is set to center
"58".
position .
5. Adjust the master screen control until the raster
3. Enter the service mode and select the service No.
darkens to the point where raster is barely seen.
"S11".
6. Adjust the service numbers "S16" red, "S17" green
4. Adjust "S11" data value to obtain normal color level.
and "S18" blue to obtain a good grey scale with normal
whites at low brightness level.
7. Select the service No. "S21" and reset data to "00".Sub-Brightness Adjustment
Select the service No. "S11" and reset data to obtain
1. Receive a good local channel.
normal color level.
2. Make sure the customer brightness control is set to
8. Reset the master screen control to obtain normal
center position.
brightness range.
3. Enter the service mode and select the service No.
"S12".
White Balance Adjustment
4. Adjust "S12" data value to obtain normal brightness
level.
1. Receive a good local channel.
2. Enter the service mode and select the service No.
"S11" and set to "00" (minimum color)(Record originalVertical Linearity Adjustment
data code under adjustment "S11" before changing).
1. Receive a good CATV channel.
"S11" does not have to be adjusted, if you selected a
2. Set to standard setting mode.
B/W picture or monoscope pattern.
3. Enter the service mode and select the service No.
3. Alternately adjust the service numbers "S16" to "S20"
"S02".
until a good grey scale with normal whites is obtained.
4. While observing the top and bottom of the screen,
4. Select the service No. "S11" and adjust data to obtain
adjust "S02" data value to proper vertical linearity.
normal color level.
Vertical Phase Adjustment
Sub-Picture Adjustment
1. Enter the service mode and select the service No.
1. Receive a good local channel.
"S14".
2. Make sure the customer picture control is set to
2. Adjust data value to "00".
maximum.
Note:This must be set "00" when changed data
3. Enter the service mode and select the service No.
retrace line will appear.
"S09".
4. Adjust the data value to achieve normal contrast
Vertical-Size Adjustment
range.
1. Receive a good local channel.
2. Enter the service mode and select the service No.
"S01".
3. While observing the top and bottom of the screen,
adjust "S01" data value to proper vertical size.
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