Sony DCR-TRV620E - Page 281

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DCR-TRV320/TRV320E/TRV320P/TRV420E/TRV520/TRV520E/TRV520P/TRV525
TRV620E/TRV720/TRV720E
9. White Balance Adjustment (PD-133 board)
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
Mode Camera
Subject Arbitrary
Measurement Point Check on LCD display
Measuring Instrument
Adjustment Page D
Adjustment Address A8, A9
Specified Value The LCD screen should not be colored.
Note 1: Check the white balance only when replacing the following
parts. If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC5501
8. V-COM Adjustment (PD-133 board)
Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.
Mode Camera
Subject Arbitrary
Measurement Point Check on LCD display
Measuring Instrument
Adjustment Page D
Adjustment Address A4
Note: Perform “RGB AMP Adjustment”, “Contrast Adjustment”,
“Black Limit Adjustment” and “Center Voltage Adjustment”
before this adjustments.
A
A
A
A
B
B
B
B
Fig. 5-1-32
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2D
A8 80 Press PAUSE button. (Initial
A9 80 value)
3
Check that the LCD screen is not
colored. If not colored, proceed
to Step 5.
4D
A8 Change the data so that the LCD
A9 screen is not colored. (Note 2)
5 0 01 00
Note 2: To write in the non-volatile memory (EEPROM), press
the PAUSE button each time to set the data.
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2D A4
Change the data so that brightness
of the section A and section B is
equal.
(The data should be “80” to “BF”)
3 D A4 Subtract 2 from the data.
4 D A4 Press PAUSE button.
5 0 01 00