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SECTION 3
-te-
FOCUS LENS ADJUSTMENT
1, Loosen the lens screw.
2. Set in service mode.
3. Use VP on the service modemenu to show only the green colour.
4. Press the Commander Menu button and select FEATURES and
CONVERGENCE to display the test signal on th: screen.
5. Rotate the green lens and align with the optimal focus pont
from the test signal.
6. Use RG-RH from the service mode menu to set to green and
red.
7. Disply the test signal and rotate the red lens '0 obtain the
optimum
focus at the point where the red and green spots overlap.
8. Use RG-BH from the service mode menu to set tored and blue.
9. Disply the test signal and rotate the blue lens to obtain the
optimum focus at the point where the blue and red spots overlap.
10. Tighten the lens screw.
SCREEN (G2) ADJUSTMENT
1, Select VIDEO mode without signals.
2. Connect the G2 JIG between TP732 (200V) and TP733 (GND)
on the CG Board.
3. Connect an oscilloscope to the TP701 (KR), TP731 (KG) and
TP761 (KB) of CR board, CG board and CB boa-d.
4. Adjust 170~173V (KR, KG, KB)
by rotating screen VR on the focus block.
SET-UP ADJUSTMENTS
INT | MEASUREMENT | ADJUSTMENT
ILLUSTRATION AND SHAPE
ADJUSTMENT ITEM AND PROCEDURE
AND SIGNAL
POSHION
LOCATION
AND NUMBER
SCREEN VOLTAGE ADJUSTMENT
(ROUGH ALIGNMENT)
1, Turn the red VR on the FOCUS block all the way to the left
PICTURE
and then gradually tum it to the right until the point where you|
Monoscope
et
Gent
can see the retrace line.
Pattern
BRIGHTNESS
2. Next gradually turn it to the left to the position where the
a
50%
retrace line disappears.
SCREEN (G2)
6, SW
470-173.
(KR, KG, KB)
pedestal
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