Sharp 36US650 Service Manual page 10

Vertical-Size and Linearity Adjustments
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "D03" for V-size.
3. Adjust the "D03" bus data to get the proper V-size.
4. For V-linearity adjustment, select data bus "D05" and
adjust to get the proper vertical linearity.
Note: Aging for 10 min before adjustment. After the
adjustment of V-center and V-size, re-
adjustment for this V-line.
Vertical Phase Adjustment
1. Enter the service mode and select the service
adjustment "D01".
2. Adjust "D01" data value so that picture is centered.
Horizontal Position Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "D02".
3. Adjust "D02" data value so that picture is centered.
Caption Position Adjustment (Horizontal)
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "EX2".
3. A black text box appears on the screen. (see Figure
B. below)
4. Adjust "EX2" data value so that text box is positioned
in the center of the screen.
Horizontal-Size Adjustment
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "D04" for H-size.
3. Adjust the "D04" bus data to get the proper H-size.
EW-Parabola
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "D07" for EW parabola.
3. Adjust the "D07" bus data to get the proper vertical
straight line for both left and right side.
EW-Trapezium
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "D08" for EW-Trapezium.
3. Adjust the "D08" bus data to get the best position
display.
EW-Corner
1. Receive a good local channel.
2. Enter the service mode and select the service
adjustment "D09" for EW-Corner.
3. Adjust the "D09" bus data to get the best linearity for
4 corner points.
Other Adjustments
1. Enter the service mode.
2. Adjust the following data values as listed below.
SERVICE
POSITION
OP1
OP2
OP3
10
ADJUST DATA(Hex)
ITEM
OPTION1 E7
OPTION2 B9
OPTION3 0E
Figure B.
36US650
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