Odd/Even Level Adjustment; Sample Hold 2 Adjustment; Rgb High Gain/Bias Adjustment - Sony VPL-VW10HT Service Manual

3-3-3. ODD/EVEN Level Adjustment

1. Input the 50 IRE Flat XGA signal to INPUT-A.
2. Set the unit in Green-only. Adjust so that the vertical
line on every other dot become thinner by the P.DRV/
SUB CON G E or by the P.DRV/SUB CON G O on
the Device adjust.
Note: Be sure to change either 15 V AMP/SUB CON
G E or 16 V AMP/SUB CON G O whose figure
is a small quantity.
3. Set the unit in Red-only. Adjust so that the vertical line
on every other dot become thinner by the P.DRV/SUB
CON R E or by the P.DRV/SUB CON R O on the
Device adjust.
Note: Be sure to change either 20 V AMP/SUB CON
R O or 21 V AMP/SUB CON R E whose figure
is a small quantity.
4. Set the unit in Blue-only. Adjust so that the vertical
line on every other dot become thinner by the P.DRV/
SUB CON B E or by the P.DRV/SUB CON B O on
the Device adjust.
Note: Be sure to change either 17 V AMP/SUB CON
B E or 22 V AMP/SUB CON B O whose figure
is a small quantity.
5. Invert the top and bottom of the screen by the IN-
STALL SETTING menu, and perform steps 2 to 4
again.
6. Press the MEMORY key to save the data.

3-3-4. SAMPLE HOLD 2 Adjustment

1. Input the XGA option 2 signal to INPUT-A.
2. Set the unit in Green-only. Adjust so that the vertical
line in the vicinity of 50 IRE just disappears.
3. Set the unit in Red-only. Adjust so that the vertical line
in the vicinity of 50 IRE just disappears.
4. Set the unit in Blue-only. Adjust so that the vertical
line in the vicinity of 50 IRE just disappears.
5. Press the MEMORY key to save the data.
Adjusting items: Device Adjust P.DRV
12 SH/SH2G
11 SH/SH2R
13 SH/SH2B
VPL-VW10HT

3-3-5. RGB High Gain/Bias Adjustment

3-3-5-1.RGB High Gain/Bias Adjustment
1. Input the W/B HIGH adjusting signal to INPUT-A,
and select the COMPUTER by the INPUT-A of the
SET SETTING.
97 IRE
12.5 IRE
0 IRE
2. Set the CONTRAST to 80, BRIGHT to 50, and COL
TEMP to HIGH respectively.
3. Enter the OTHER on the Device adjust of the menu.
4. Set the 06 3D GAMMA/THROUGH from 0 to 1.
5. Set the 07 3D GAMMA/SW from 1 to 0.
6. Connect an oscilloscope to TP5602 on the C board.
7. Enter the 3D GAMMA on the Device adjust of the
menu, display the Level 0, and put the cursor 1 on the
position shown in the figure below.
8. Display the Level 7.
9. The same way as in step 7, put the cursor 2 on the
position shown in the figure below.
10. Press the GAIN key to enter the GAIN ADJUST
MODE from the 3D GAMMA. Adjust the G GAIN so
that the 100 IRE level of the W/B HIGH adjusting
signal is equal to cursor 2.
11. Press the BIAS key to enter the BIAS ADJUST.
Adjust the G BIAS so that the 12.5 IRE level of the W/
B HIGH adjusting signal is equal to cursor 1.
12. Repeat steps 10 and 11 several times.
13. Connect an oscilloscope to TP5702 on the C board.
Perform the same adjustments as in steps 7 to 12 using
R G GAIN/BIAS.
14. Connect an oscilloscope to TP5802 on the C board.
100 IRE
Cursor 1
Cursor 2
Cursor 1
3-3