Sony Mavica MVC-FD91, Service Manual

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5-27
Fig. 5-1-23.
6. Color Adjustment (PK-45 board)
Set the color saturation to the standard value. If deviated, the color
will be to dark or light.
Mode Playback
Signal Alignment disk (TFD2-1(+) or TFD2-
2(–)):
Color bar signal (MVC-001C.JPG)
Measurement Point Pin
9
of CN701 (VG)
External trigger: Pin
8
of CN701
(COM)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 31
Specified Value A = 0.00 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 02, and set data: 01.
3) Select page: F, address: 31, change the data and set the voltage
(A) between the white and green to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 3, address: 02, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
7. V-COM Level Adjustment (PK-45 board)
Set the common electrode drive signal level of LCD to the specified
value.
Mode Playback
Signal No signal
Measurement Point Pin
8
of CN701 (COM)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 38
Specified Value A = 6.25 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 02, and set data: 01.
3) Select page: F, address: 38, change the data and set the V-COM
signal level (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 3, address: 02, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-24.
A
2H
A
2H
Green
White