Carrier Balance Adjustment - Sony Video8 Handycam CCD-TR71 Service Manual

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13.
A/D Offset Adjustment
Subject
Measurement Point
Measuring Instrument | monitor
Adjustment Page
Adjustment Address
Specified Value
OC (AD REF)
46 to 47
Adjusting method:
1)
2)
3)
4)
5)
6)
1)
Release the protect.
Page: 6, address: 00, data: 01
Set data: 05 to page: 6, address: 01, and press the PAUSE
button of the adjusting remote control unit.
(IRIS CLOSE AGC MIN mode setting)
Set data: 00 to page: F, address: AF, and press the PAUSE
button of the adjusting remote control unit.
(Y sampling output mode setting)
Set data: 35 to page: 1, address: E6.
(Setting 1 of the sampling position)
Set data: 6D to page: 1, address: E7.
(Setting 2 of the sampling position)
Change the data of page: F, address: OC, and adjust the
average value of the DDS display (the bottom two digits of
the display data at the bottom right of the EVF or the TV
monitor display) to 46 to 47.
Set the data of address OC to the maximum
=)
satisfying the specification.
Press the PAUSE button of the adjusting remote control
unit.
Processing after completing adjustments
1)
Turn the main power supply (6.3V) off.
14.
Carrier Balance Adjustment
[Subject «di Netrequied
The center of the black luminance
point should lie within the 1 ¢ circle
whose center is the principle point.
Specified Value
Adjusting method:
1)
Release the protect.
Page: 6, address: 00, data: 01.
2)
Set data: 07 to page: 6, address: 01, and press the PAUSE
button of the adjusting remote control unit.
(IRIS CLOSE, AGC MAX mode setting)
3)
Change the data of page: F, address: 03, and adjust so that
the center of the black luminance point coincides with the
principle point.
4)
Press the PAUSE button of the adjusting remote control
unit.
Processing after completing adjustments
1) Set data: 00 to page: 6, address: 01, and press the PAUSE
button of the adjusting remote control unit.
(IRIS NORMAL mode setting)
The center of the black luminance point should be within this
circle
R-Y
Imm
B-Y
Imm
Fig. 7-10.
— 203 —

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