Input Memory No. 8 Adjustment - Sony VPH-G90U Service Manual

3-5-4. INPUT MEMORY No. 8 Adjustment

1. Set INPUT-A to the no-signal state, then select INPUT-
A. Select the INT OSC PATTERN from INT. OSC
menu with the MENU key, then select P3 (fH = 106
kHz, fV = 60 Hz).
2. Press the BLKG key and move the top blanking outside
the effective screen with the ↑ key.
3. Press the POSITION (+) key and move the bottom
blanking outside the effective screen with the ↓ key.
4. Press the POSITION (+) key and move the left
blanking outside the effective screen with the ← key.
5. Press the POSITION (+) key and move the right
blanking outside the effective screen with the → key.
6. Press the MEMORY key.
7. Press the REGISTRATION CENT key and the ADJ G
key to set the GREEN adjustment mode.
8. Adjust the vertical and horizontal lines to the screen
center lines using the ↑, ↓, ← and → keys.
9. Press REGISTRATION SIZE key to adjust the outer
circumference of the cross-hair to the position 60 ± 20
mm inside the screen using the ↑, ↓, ← and → keys.
10. Set the modes of LIN, SKEW, BOW, KEY, KEY
(TOP/BOTTOM/LEFT/RIGHT), PIN, PIN (TOP/
BOTTOM/LEFT/RIGHT) and ZONE, then adjust them
to the values within the specification using the arrow
keys (up to 21 blocks).
Note: When the size is deviated during
adjustment, adjust it as required.
11. Press the MEMORY key.
12. Copy the adjusted data to INPUT MEMORY No. 9 and
INPUT MEMORY No. 10.
3-14
3-5-5. Horizontal/Vertical Reverse Mode
Centering Adjustment
1. Turn off the power of the unit.
2. Set S2001 (Horizontal/Vertical Deflection Switch) on
the EC Board to the reverse mode.
3. Turn on the power of the unit.
4. Input the NTSC monoscope signal.
5. Press the ON/STANDBY key on the remote
commander or the control panel.
6. Check that the horizontal and vertical deflections are
reversed.
7. Press the REGISTRATION CENT key and the ADJ G
key to set the GREEN adjustment mode.
8. Adjust the horizontal and vertical centering using the ↑,
↓, ← and → keys.
9. Press the MEMORY key.
10. Adjust RED and BLUE in the same way as GREEN.
11. Turn off the main power switch.
12. Return S2001 (Horizontal/Vertical Deflection Switch)
on the EC Board to the original settings.
VPH-G90E/G90U/G90M