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27J-S100/180/260
CJ27S10/26
-
Sub-brightness adjustment
1. Have unit receive a good local channel.
2. Make sure the customer brightness control is set to
center position.
3. Enter the service mode and select service
adjustment "S 04".
4. Adjust "S04"data value to obtain normal brightness
level.
Vertical-size and linearity adjustment
Ver-Lin-for 27J-S100/S260,CJ27S10/26
1. Have unit receive a good local channel.
2. Enter the service mode and select service
adjustment "S 09".
3. While observing the top and bottom of the screen,
adjust "S 09" data value to proper vertical size and
linearity.
4. Using the S501 switch,adjust for the best linearity.
Vertical phase adjustment
1. Enter the service mode and select service
adjustment "S 06".
2. Adjust data value to "00".
Note: This must be set "00" when changed data retrace
line will appear.
Horizontal position adjustment
1. Have unit receive a good local channel.
2. Enter the service mode and select service
adjustment "S 07".
3. Adjust "S 07" data value so that picture is centered.
Caption position adjustment (horizontal)
1. Have unit receive a good local channel.
2. Enter the service mode and select service
adjustment "S18".
3. A black text box appears on the screen ( see figure
C ) .
4. Adjust "S18" data value so that text box is positioned
in the center of the screen.
3.58MHz trap adjustment
1. Have unit receive a good local channel.
2. Enter the service mode and select service
adjustment "S16" .
3. This is a two position adjustment, " 00" is ON , "01"
is OFF.
4. Adjust data value to "00" for normal viewing.
Sharpness and Audio balance adjust-
ments
1. Have unit receive a good local channel.
2. Enter the service mode and select "S 05" for
sharpness and "S17" for balance.
• Sharpness adjustments
3. Adjust data value to "28" (center of data range) for
sharpness adjustment.
• Audio balance adjustments
4. Adjust data value to "20" (center of data range) for
Audio balance adjustment.
Figure C
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