Convergence Adjustment - Toshiba 51HX93 Service Manual

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1. Receive NTSC signal.
2. Enter to the service mode. (See Page 10.)
RCUT
40H
3. Press "7" button to enter the convergence adjusting mode,
and the internal net pattern will be displayed. Then, press
"9" button to display veritcal stripes.
4. Select the point and the color by pressing following but-
tons. (Cursor should be blinking.)
"2", "8", "4", "6" : To select point
"3" : To select color
5. Then press "5" button, and adjust the convergence by
pressing following buttons. (Cursor should not be
blingking.)
"2", "8", "4", "6" : To adjust convergence
"3" : To select color
6. Repeat from steps 3 to 4 until the convergence and the
geometry become fine. (See Page 14.)
7. Press "7" button to momorize the adjusted data.
8. Message of "PLEASE PUSH TOUCH FOCUS" will be dis-
played, and press TOUCH FOCUS button which is located
on the front panel.
9. TOUCH FOCUS CALIBRATION will start.
10. Soon message of "CALIBRATION FINISHED" will be dis-
played, and then a normal picture will be displayed.
11. Then push TOUCH FOCUS button again, and confirm that
the convergence does not change.
Note: If message of "TOUCH FOCUS ERROR" is displayed,
1) Check the connection between four sensors and
Convergence Unit.
2) Check the geometry of internal net pattern. (See Page
14.)
If any problem cannnot be found, hardware might have
problem.

CONVERGENCE ADJUSTMENT

– 13 –
EXPLANATION OF KEY-FUNCTION IN THE CONVER-
GENCE ADJUSTMENT MODE
Load BACK UP DATA:
Up :
Selet Green color:
Left :
Blinking of cursor ON/OFF:
Right:
Adjust mode ON/OFF:
Down:
Vertical stripe ON/OFF
Erase Green line:
Erase Red line:
Erase Blue line:
1 button
2 button
3 button
4 button
5 button
6 button
7 button
8 button
9 button
0 button
100 button
ENT button

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