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[Screen Character Circuit] | Adjustment purpose
To position the character display.
15. Character Position
Symptom when
Incorrect character position.
incorrectly adjusted
Measuring
1. Supply an RF signal (standard broadcast).
-
(The screen will change to the circuit adjustment mode.)
xT goer :
4 Set the function to "HR". ("AUDIO" button)
RF signal
9
6 Terminate the circuit adjustment mode. (Press "MENU" twice)
Input terminal | RF IN terminal.
a
iF
16. Static Convergence
Symptom when
Color edging.
incorrectly adjusted
1. Degauss the shield cover and bracket unit of the CRT assembly and chassis
sheet metal.
2. Supply a VIDEO signal (crosshatch).
3 Make sure that the vertical linearity is generally correct.
If not, correct the linearity following the adjustment 12 (Vertical Height and
Linearity).
4. Remove the Sub-Yoke connector from the Deflection Yoke for GREEN.
Note: Connect the Sub-Yoke connector within 30 seconds after disconnected to
avoid possible damage.
5. Rotate the Deflection Yoke attached on the GREEN CRT so that the center
horizontal line is parallel (to the screen edge).
6. Connect the Sub-Yoke connector for GREEN to the Deflection Yoke on the
GREEN CRT again.
7. Rotate the Centering Magnet attached on the GREEN CRT so that the center
of the displayed crosshatch signal is set at the screen center.
8. Remove the Sub-Yoke connector from the Deflection Yoke for RED.
Note: Connect the Sub-Yoke connector within 30 seconds after disconnected to
avoid possible damage.
9. Rotate the Deflection Yoke attached on the RED CRT so that the center
horizontal line is parallel (to the screen edge).
10. Connect the Sub-Yoke connector for RED to the Deflection Yoke on the RED
CRT again.
11. Rotate the Centering Magnet attached on the RED CRT so that the center of
the displayed RED crosshatch signal is converged on the GREEN signal.
12. To adjust BLUE, perform the steps 8 through 11 above for the BLUE CRT.
Measuring
instrument
EXT trigger
Measurement
range
VIDEO signal
(crosshatch)
VIDEO IN terminal
Input signal
input terminal
Sub-Yoke
Deflection
Connector
Yoke
Centering
90
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