Sony VPH-G90E, Руководство по обслуживанию

Страница: 189 / 546

3-19 VPH-G90E/G90U/G90M
3-7-2. Video Memory SIZE/SHIFT/BLKG
Adjustments
1. Input the monoscope signal to VIDEO IN.
2. Press the INPUT SELECT VIDEO key to project the
monoscope signal on the screen.
3. Select VIDEO MEMORY 1 using the SWITCHER/
VIDEO MEMORY/INDEX changing switch and the
SWITCHER/VIDEO MEMORY/INDEX key.
4. Press the RGB SHIFT key and adjust the center of the
monoscope signal to the screen center using the
↑
,
↓
,
←
and
→
keys.
5. Press the RGB SIZE key and adjust the horizontal and
vertical sizes of the monoscope signal to 4:3 using the
↑
,
↓
,
←
and
→
keys.
6. Press the BLKG key to adjust the screen top blanking
to the position 40
±
10 mm outside the effective screen
using
↑
and
↓
keys.
7. Press the MEMORY key.
8. Store the data of VIDEO MEMORY 1 to VIDEO
MEMORY 2 to 5, too.
9. Select VIDEO MEMORY 6.
10. Press the RGB SHIFT key and adjust the center of the
monoscope signal to the screen center using the
↑
,
↓
,
←
and
→
keys.
11. Press the RGB SIZE key and adjust the horizontal and
vertical sizes of the monoscope signal to 4:3 using the
↑
,
↓
,
←
and
→
keys.
12. Press the BLKG key to adjust the screen top blanking
to the position 40
±
10 mm outside the effective screen
using
←
and
→
keys.
13. Store the data of VIDEO MEMORY 6 to VIDEO
MEMORY 7 _ 10, too.
3-8. HIGH VOLTAGE SCREEN
DISTORTION ADJUSTMENT
1. Select INPUT A and input the fH = 64 kHz RGB stripe
signal to the RGB terminals.
2. Press CONTR (
+
) and BRIGHT (
+
) to set the contrast
and bright levels to the maximum.
3. Adjust RV1 of the EA board so that the left and right
vertical lines of the stripes can be straight.
3-9. PROCEDURE AFTER COMPLETING
ADJUSTMENTS
After completing all adjustment, change the dip switch
S201-1 on the YA board from “OFF (right)” to “ON (left)”
to save the adjustment data in the memory.
NG OK