Convergence Adjustment - Toshiba 50HX70 Service Manual

Adjust convergence from center to circumference in order.
KEY FUNCTION IN THE

CONVERGENCE ADJUSTMENT:

Up : 2 button
Selet Green color: 3 button
Left : 4 button
Blinking of cursor ON/OFF: 5 button
Right: 6 button
Adjust mode ON/OFF: 7 button
Down: 8 button
Erase Green line: 0 button
Erase Red line: 100 button
Erase Blue line: CHRTN (ENT) button
Note:
Adjusting procedure in replacing conver-
gence board.
1. User convergence center check. Make
sure the best convergence setting is
about the center of adjustable range.
2. CENTERING ADJUSTMENT
3. PICTURE POSITION ADJUSTMENT
4. HIT, WID ADJUSTMENT
5. CONVERGENCE ADJUSTMENT
CONVERGENCE ADJUSTMENT
1. Select the adjustment mode following the steps on page 10.
2. Press "7" button to display the built-in cross-hatch pattern.
Cursor
4
The pattern includes three colors (R, G, B).
The cursor should be blinking in Red.
This means that the Red color is adjustable.
Adjustment around cursor can be done.
3. Press "3" button to select Green color to be adjusted.
4. Press "5" button to stop the blinking of cursor.
5. Press "2 (up)", "8 (down)", "4 (left)" or "6 (right)" to obtain the correct
cross-hatch pattern as above.
If necessary, the specified color line can be erased from the screen.
100 button .................. to erase Red line
0 button .................. to erase Green line
RTN (ENT) button .................. to erase Blue line
6. Press "5" button to make the cursor blinking.
7. Press "2", "8", "4", "6" buttons to move the cursor to other point to be
adjusted.
8. Repeat steps 4 to 7.
9. Repeat steps 3 to 8 to adjust Red and Blue colors.
Converge the selected color line into the Green line.
10. Press "7" button to enter the adjusted states.
At this time, picture changes for about 1 second.
11. Press "7" button again to return to the normal picture.
– 14 –
RCUT
40H
P = 84 x12 (50")
92 x12 (55")
103 x12 (61")
27.5
P = 50.5 x14 (50")
55.8 x14 (55")
62 x14 (61")
27.5
4