V-Com Adjustment (Pd-110 Board); White Balance Adjustment (Pd-110 Board) - Sony DCR-TRV8 Service Manual

6. V-COM Adjustment (PD-110 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 85
Specified Value The brightness difference between the
section A and section B is minimum.
Note1 : Perform "Bright Adjustment" and "Contrast Adjustment" before
this adjustment.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 3, address: 22, set data: 0F, and press the PAUSE
button of the adjustment remote commander.
4) Select page: 2, address: 0E, and set data: 20.
5) Select page: D, address: 85, change the data so that the
brightness of the section A and that of the section B is equal.
6) Press the PAUSE button of the adjustment remote commander.
7) Select page: 2, address: 0E, and set data: 00.
8) Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
9) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
10) Select page: 0, address: 01, and set data: 00.
B
A
B
A
Fig. 5-1-22.
A
B
A
B
5-34

7. White Balance Adjustment (PD-110 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 80, 81
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. IC5502
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 3, address: 22, set data: 0B, and press the PAUSE
button of the adjustment remote commander.
4) Select page: D, address: 80 and 81, set the data to the initial
value.
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
Address
DCR-TRV10
DCR-TRV8
Data
DCR-TRV10E
DCR-TRV8E
5) Check that the LCD screen is not colored. If colored, change
the data of page: D, address: 80 and 81 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.
6) Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8) Select page: 0, address: 01, and set data: 00.
80 81
97 70
91 88
A6 73
C1 8E