Calibration Adjustments; How To Adjust At Replacing A Prism Or An Optical Unit; Vcom Adjustment; Polarizing Plate Adjustment - Sony VPL-FX51 Service Manual

2-7. Calibration Adjustments

1. Input the FLAT FIELD 60 IRE signal to the INPUT-
A.
2. Select 21 CALIB of P.DR V and minimize the balance
of luminance between ODD and EVEN pixel.
3. Save the data by selecting the item " SAVE TO
MEMORY " in the page of Device adjust of the
Adjustments menu and by pressing the ENTER.
2-8. How to Adjust at Replacing a Prism
or an Optical Unit
When replacing a Prism, entering the Factory Mode,
following adjustment should be performed.( See the
Section 2-1-2. Factory Mode).

2-8-1. VCOM Adjustment

Look at the bottom of the Main Menu where you find
Device Menu.
Here in the Menu, select [P.DRV].
Adjust VCOM of [VCOM/R], [VCOM/G] and [VCOM/
B], respectively.
Entering the VCOM Adjust mode, you will find that the
screen shows a test pattern.
Then, try to minimize flickers in the screen.

2-8-2. Polarizing Plate Adjustment

Press the " PIC MUTING " button.
As the screen turns fully black, manipulate each of the
polarizing plate of R, G, and B until to find black most
sunk.
2-6
2-8-3. 3Dγ Overview
Refer to the principle mentioning next of 3Dγ before
advancing 3Dγ adjustments.
3Dγ consists of total 504 points which is figured out
multiplying brightness 8 points in the level, 9 points in the
horizon and 7 points in the vertical direction.
It has functions to enable individual adjust W/B in the light
of R, G, and B.
Accordingly, 504 x 3 (RGB) = 1512 items is required in
order to complete full adjustments.
For convenience, however, this is replaceable provisionally
by the following methods.
The following layer tree is the [GAMMA] Menu.
GAMMA LEVEL 0
LEVEL 1
:
:
LEVEL 7
To adjust each LEVEL, the internal signal (Flat Field) of a
LEVEL will be automatically shown.
POSITION 1 R
G
B
POSITION 2
:
:
POSITION 64
VPL-FX51