6. V-COM Adjustment (PD-117 board)7. White Balance Adjustment (PD-117 board)
Set the DC bias of the common electrode drive signal of LCD to theCorrect the white balance.
specified value.If deviated, the LCD screen color cannot be reproduced.
If deviated, the LCD display will move, producing flicker and
ModeCamera
conspicuous vertical lines.SubjectArbitrary
ModeCamera
Measurement PointCheck on LCD display
SubjectArbitrary
Measuring Instrument
Measurement PointCheck on LCD display
Adjustment Page7
Measuring InstrumentAdjustment AddressEB, EC
Adjustment Page7
Specified ValueThe LCD screen should not be colored.
Adjustment AddressE7
Specified ValueThe brightness difference betwNote1:een theCheck the white balance only when replacing the following parts.
section A and section B is minimum.If necessary, adjust them.
1. LCD panel
2. Light induction plate
Note1: Perform ORGB AMP Adjustment�, OContrast Adjustment� and3. IC5501
OCOM AMP Adjustment� before this adjustment.
Adjusting method:
Adjusting method:1) Select page: 0, address: 01, and set data: 01.
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 7, address: E7, change the data so that the2) Select page: 7, address: EB and EC, and set the data to the
initial value.
brightness of the section A and that of the section B is equal.Note:To write in the non-volatile memory (EEPROM), press the
3) Press the PAUSE button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.PAUSE button of the adjustment remote commander each time
to set the data.
AddressEBEC
Data6065
BA
3) Check that the LCD screen is not colored. If colored, change
the data of page: 7, address: EB and EC so that the LCD screenAB
is not colored.
Note:To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
BA
to set the data.
4) Select page: 0, address: 01, and set data: 00.
AB
Fig. 5-1-25.
5-37 |
ACEC
