Advertisement
Focus Adjustment
1. Receive a good local channel.
2. Adjust the VR-1 (upper knob) and VR-2 (middle knob)
of the flyback transformer to make the image as fine
as possible.
C. C Display Position Adjustment
1. Receive the lion head pattern signal.
2. Select "EX2" to display the text box.
3. Adjust the "EX2" bus data to let the text box displayed
in the center.
DISPLAY OF TEXT BOX
TEXT BOX
A
SPEC INSPECTION:| A-B | / 2 < = 5mm
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. )
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
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
3. Adjust the "D07" bus data to get the proper vertical
EW-Trapezium
| A-B | / 2
1. Receive a good local channel.
2. Enter the service mode and select the service
3. Adjust the "D08" bus data to get the best position
B
EW-Corner
1. Receive a good local channel.
2. Enter the service mode and select the service
3. Adjust the "D09" bus data to get the best linearity for
Other Adjustments
1. Enter the service mode.
2. Adjust the following data values as listed below.
11
adjustment "D04" for H-size.
adjustment "D07" for EW parabola.
straight line for both left and right side.
adjustment "D08" for EW-Trapezium.
display.
adjustment "D09" for EW-Corner.
4 corner points.
SERVICE
ADJUST
DATA(Hex)
POSITION
ITEM
32U-F810 32U-F500
OP1
OPTION1
F7
OP2
OPTION2
F9
OP3
OPTION3
0F
Figure B.
32U-F500
32U-F810
F5
18
0F
Advertisement
