Sony Mavica MVC-FD85, Service Manual

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9. White Balance Adjustment (PK-50 board)
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
Mode PLAY
Signal Arbitrary
Measurement Point
Check on LCD display
Measuring Instrument
Adjustment Page D
Adjustment Address D2, D3
Specified Value The LCD screen should not be
colored.
Note 1:
Use the AC power adaptor during this adjustment.
Note 2: Check the white balance only when replacing the following parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC802
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: D2 and D3, set the data to the initial
value.
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
4) Check that the LCD screen is not colored. If colored, change
the data of page: D, address: D2 and D3 so that the LCD screen
is not colored.
Note:
To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.
5) Select page: 5, address: F1, set data: 00.
6) Select page: 0, address: 01, and set data: 00.
1-5-3. LCD SYSTEM ADJUSTMENT (PK-52 board)
(MVC-FD85)
1. LCD Initial Data Input
Mode PLAY
Signal Arbitrary
Adjustment Page D
Adjustment Address D0 to D9, DC to DF
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: D, and input the data in the following table.
Note:
Press the PAUSE button of the adjustment remote commander
each time to set the data.
3) Select page: 0, address: 01, and set data: 00.
Address
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
DC
DD
DE
DF
Remark
Bright adj.
Color adj.
White balance adj.
White balance adj.
Contrast adj.
Black limit adj.
VG center adj.
VCO adj. (NTSC)
V-COM adj.
Fixed data
Fixed data
VCO adj. (PAL)
Fixed data
Fixed data
LCD TYPE SA
20
60
A0
90
D0
90
80
70
A0
72
9A
90
33
00
LCD TYPE ST
20
60
80
80
D0
90
80
80
80
72
9A
60
33
00
Data
Data
D2
A8
A0
D3
7A
6A
Remark
LCD TYPE SH
LCD TYPE CA
Address