Sony VPLL-CT10, Руководство по обслуживанию

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3-1
VPL-PS10/PX10/PX15
Section 3
Electrical Adjustments
3-2. V-COM Adjustment
1. Input the green-only 1H inverted signal to INPUT-A.
2. Set the CONTRAST to 50 and BRIGHT to 50.
3. Set the screen to G VCOM adjustment of “Device
Adjust.”
Adjust the G VCOM so that the flicker on the screen is
the minimum.
4. Input the red-only and blue-only 1H inverted signal
respectively and adjust R VCOM and B VCOM
respectively so that the flicker becomes minimum.
5. Store the adjustment value in the memory.
6. Select the projection of vertically reversed from the
front [CEIL. FRT] using the menu screen.
7. Set the screen to G VCOM adjustment of “Device
Adjust.”
Adjust the G VCOM so that the flicker on the screen is
the minimum.
8. Input the red-only and blue-only 1H inverted signal
respectively and adjust R VCOM and B VCOM
respectively so that the flicker becomes minimum.
9. Store the adjustment value in the memory.
3-1. Preparations
3-1-1. Equipment Required
..... Oscilloscope
Tektronix 2465 or equivalent
(bandwidth: 350 MHz or more)
.....
NTSC, PAL, SECAM component signal generator
Tektronix TG2000
+
AVG1 (optional module)
+
AWVG1 (optional module) or equivalent
.....
VG (Programmable video signal generator)
VG814 or equivalent
..... Digital voltmeter
Advantest TR6845 or equivalent
.....
Luminance meter
n
Perform the following adjustments at least 5 minutes after
turning on the power.
3-1-2. How to Enter and Use the Factory
Mode
(How to enter)
1. Make sure that the STATUS in the menu is ON.
2. Exit the menu.
3. Press the keys in the following order:
“ENTER”
→
“ENTER”
→
“LEFT”
→
“ENTER”
4. The message “Do you wish to enter into the FACTO-
RY MODE?” will be displayed.
5. Select YES.
(How to leave)
Turn off the power in the FACTORY MODE.
or
1.
Press the keys in the following order:
“ENTER”
→
“ENTER”
→
“LEFT”
→
“ENTER”
2. The message “Do you wish to return to the USER
MODE ?” Yes :
↑ Νο : ↓
will be displayed.
3. Select Yes.