Sony Mavica MVC-FD85, Service Manual

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5-35
6. Color Adjustment (PK-52 board)
Set the color saturation to the standard value. If deviated, the color
will be too dark or light.
Mode PLAY
Signal Arbitrary
Measurement Point Pin
9
of CN803 of FC-72 board
(VG)
External trigger: Pin
8
of CN803 of
FC-72 board (COM)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address D1
Specified Value LCD TYPE SA: A= 470 ± 50 mV
LCD TYPE ST: A= 470 ± 50 mV
Note: Refer to “1-5-1. LCD type check” for the discrimination of the LCD
type.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, set data: 04.
3) Select page: D, address: D1, change the data and set the voltage
(A) between the white 100% (Reference level) and green to
the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 5, address: F1, set data: 00.
6) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-26.
7. VG Center Adjustment (PK-52 board)
Set the video signal center level of LCD panel to an appropriate
level.
Mode PLAY
Signal Arbitrary
Measurement Point Pin
9
of CN803 of FC-72 board
(VG)
Measuring Instrument Digital voltmeter
Adjustment Page D
Adjustment Address D6
Specified Value LCD TYPE SA: A= 6.00 ± 0.05 Vdc
LCD TYPE ST: A= 7.00 ± 0.05 Vdc
Note: Refer to “1-5-1. LCD type check” for the discrimination of the LCD
type.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, set data: 02.
3) Select page: D, address: D6, change the data and set the DC
voltage (A) of VG signal to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 5, address: F1, set data: 00.
6) Select page: 0, address: 01, and set data: 00.
A
2H
White 100 %
Green