Rgb Level Adjustments - Sony VPL-PX32 Service Manual

2-4-5. 15K RGB Level Adjustments
1. Set the Color to 40.
2. Input the 15K RGB 100 % Color bar signal to INPUT-
A, select INPUT-A, and select RGB using SIGNAL
SELECT.
3. Set RGB MATRIX of Device adjust on the menu.
4. Select 11 YUV COL, and adjust using the "←" and
"→" keys so that the levels of the right bar and left
bar become the same.
5. Select 12 YUV COL, and adjust using the "←" and
"→" keys so that the levels of the right bar and left
bar become the same.
6. Select 05 SUB HUE, and adjust using the "←" and
"→" keys so that the two bars at the center become
flat.
7. Press the "ENTER" key to select the SAVE TO
MEMORY of the menu, and press the "ENTER" key
again to save the data.
VPL-PX32
2-4-6. Adjustment of Signal Amplitude and
1. Input a W/B HIGH adjustment (XGA) signal to
2. Enter OTHER of Device adjust in the menu.
3. Set 07 3D GAMMA/SW:1 to 07 3D GAMMA/SW:0.
4. Enter P DRV of Device adjust in the menu.
5. Adjust the amplitude of a signal to 9.0 ± 0.05 Vp-p by
6. Adjust the lower edge of a signal to 3.0 ± 0.05 VDC by
15k Component
color bar
chroma ON
7. Enter GAMMA of Device adjust in the menu.
8. Set to LEVEL 7.
9. Adjust LEVEL 7 to 6.8 ± 0.05 VDC by 12.VAMP/
10. Connect an oscilloscope to TP617 on the C board.
11. Adjust LEVEL 7 to 6.8 ± 0.05 VDC by 11.VAMP/
12. Connect an oscilloscope to TP616 on the C board.
13. Adjust LEVEL 7 to 6.8 ± 0.05 VDC by 13.VAMP/
14. Return 07 3D GAMMA/SW:0 to 07 3D GAMMA/
15. Select SAVE TO MEMORY in the menu and press the
Signal Center
INPUT-A and connect an oscilloscope to TP610 on the
C board.
Input signal:
87.5
12.5
0
14.VAMP/BRT.
4.SIG.CENT.
6.8 ±0.05Vdc
SUB CON G.
SUB CON R.
SUB CON B.
SW:1.
"ENTER" key to save data.
100 IRE
9.0 ±0.05Vp-p
3.0 ±0.05Vdc
0V
2-3