Sony PFM-32C1 Service Manual page 20

3. AD Converter
Menu structure
This adjustment corrects non-uniformity between RGB (or
YCbCr) channels of AD converter (IC403).
Service Mode
AD Converter
Cal Mode
RGB Calibration
YUV Calibration
Video Calibration
a) Cal Mode
Set to "On" to enter the calibration mode.
Off : Normal operation
On : Calibration mode
b) RGB Calibration
The RGB signals are calibrated.
The RGB signals are calibrated by "Sub Cont RGB",
"Red Gain", "Green Gain", "Blue Gain", "Red Bias",
"Green Bias" and "Blue Bias" that are located in the
lower layer below this sub menu.
Adjustment range is from 0 to 255 in each adjustment
item.
c) YUV Calibration
The component video signal is calibrated.
The component video signal is calibrated by "Sub
Cont YUV", "Sub Brt YUV", "Cb Offset YUV" and
"Cr Offset YUV".
Adjustment range is from 0 to 255 for "Sub Cont
YUV" and "Sub Brt YUV", and from 0 to 63 for "Cb
Offset YUV" and "Cr Offset YUV".
d) Video Calibration
The composite video signal is calibrated.
The composite video signal is calibrated by "Sub Cont
Video", "Sub Brt Video", "Cb Offset Video" and "Cr
Offset Video".
Adjustment range is from 0 to 255 for "Sub Cont
Video" and "Sub Brt Video", and from 0 to 63 for "Cb
Offset Video" and "Cr Offset Video".
AD Calibration Adjustment
Refer to section "2-4. AD Calibration Adjustment".
2-4
: off
4. White Balance
Menu structure
White balance of PDP panel is adjusted.
Service Mode
White Balance
Window
Color Temp.
Red Gain
Green Gain
Blue Gain
a) Window
This machine has the built-in window signal for white
balanced adjustment. Select either small or large
window for suitable adjustment.
Off : Window is not displayed.
Small : Small window is displayed.
Large : Large window is displayed.
b) Color Temp.
Select the desired color temperature that you want to
adjust located in the lower layer below this sub menu.
Select the desired color temperature from "High",
"Mid", "Low", "User 1", "User 2" and "User 3".
n
Because "User 1", "User 2" and "User 3" can be
adjusted from the user menu, they are not adjusted
here.
c) Red Gain
Red gain of the selected "Color Temp." is adjusted.
Adjustment range is from _ _ _ _ _ 127 to +128.
d) Green Gain
Green gain of the selected "Color Temp." is adjusted.
Adjustment range is from _ _ _ _ _ 127 to +128.
e) Blue Gain
Blue gain of the selected "Color Temp." is adjusted.
Adjustment range is from _ _ _ _ _ 127 to +128.
White Balance Adjustment
Refer to section "2-3. White Balance Adjustment ".
: Off
: High
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PFM-32C1/32C1E