Backlight Adjustment (Vc-283 Board); White Balance Adjustment (Vc-283 Board) - Sony DCR-TRV40 Service Manual

4. Backlight Adjustment (VC-283 board)

Set the backlight luminance.
If deviated, the image may become dark or bright.
Mode Camera
Subject Arbitrary
Measurement Point Pin qf of CN1012 (EXT DA)
Measuring Instrument Digital voltmeter
Adjustment Page C
Adjustment Address 4F, 50
NORMAL mode : A=1.12 ± 0.05Vdc
Specified Value
BRIGHT mode : B=2.10 ± 0.05Vdc
Note: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1 0 01 01
2 C 4F
3 C 4F
4 C 50
5 C 50
6 0 01 00
Procedure
Set the data.
Change the data and set the EXT
DA voltage (A) to the specified
value of NORMAL mode.
Press PAUSE button.
Change the data and set the EXT
DA voltage (B) to the specified
value of BRIGHT mode.
Press PAUSE button.
Set the data.
DCR-TRV40/TRV40E/TRV50/TRV50E

5. White Balance Adjustment (VC-283 board)

Correct the white balance.
If deviated, the reproduction of the EVF screen may degenerate.
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: Check the white balance only when replacing the following parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC4201
Note2: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1 0 01
2 C 56
3 C 57
4 C 57
5 C 56
6 C 56
7 C 57
8 C 57
9 C 57
10 0 01
5-39
Camera
Arbitrary
Check on EVF screen
C
56, 57
The EVF screen should not be
colored.
Procedure
01 Set the data.
80 Set the data, and press PAUSE
button.
80 Set the data, and press PAUSE
button.
Check that the EVF screen is not
colored. If not colored, proceed
to step 10.
Change the data so that the EVF
screen is not colored.
Press PAUSE button.
Change the data so that the EVF
screen is not colored.
Press PAUSE button.
If the EVF screen is colored,
repeat steps 5 to 9.
00 Set the data.