Backlight Consumption Current Adjustment; (Vc-242 Board); White Balance Adjustment (Vc-242 Board) - Sony DCR-VX2000 Service Manual

4. Backlight Consumption Current Adjustment

(VC-242 board)

Set the backlight luminance and color temperature.
If deviated, the image may become dark or bright.
Mode Camera
Subject Arbitrary
Measurement Point + Probe: Pin w; of CN007 (EVF BL+)
– Probe: Pin qj of CN007 (EVF BL–)
Measuring Instrument Digital voltmeter
Adjustment Page D
Adjustment Address 9C, 9D, 9E, 9F
Specified Value BRIGHT mode : A=37.0 ± 1.5mVdc
NORMAL mode : A=22.0 ± 1.5mVdc
Note1: Perform the adjustment in the following order.
Note2: Adjust 30 seconds after running on the power supply.
Adjusting method:
Order Page Address Data
1 0 01 01
2 D 9C F0
3 D 9D F0
4 D 9E 11
5 D 9F 1F
6 D 9D
7 D 9D
8 D 9C
9 D 9C
10 D 9E
11 D 9E
12 0 01 00
Procedure
Set the data.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Change the data and set the
voltage difference (A) between
Pin w; and Pin qj to the
specified value of BRIGHT
mode.
(The data should be "C0" to
"FF".)
Press PAUSE button.
Set the same data as address:
9D.
Press PAUSE button.
Change the data and set the
voltage difference (A) between
Pin w; and Pin qj to the
specified value of NORMAL
mode.
(The data should be "00" to
"1F".)
Press PAUSE button.
Set the data.

5. White Balance Adjustment (VC-242 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. IC1802
Note2: Use the AC power adaptor.
Adjusting method:
Order Page Address Data
1 0 01
2 D 97
3 D 98
4 D 98
5 D 97
6 D 97
7 D 98
8 D 98
9 D 98
10 0 01
5-32
Camera
Arbitrary
Check on EVF screen
D
97, 98
The EVF screen should not be
colored.
Procedure
01 Set the data.
90 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.