6. V-COM Adjustment (PD-101 Board)7. White Balance Adjustment (PD-101 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 fMode licker andCamera
conspicuous vertical lines.
SubjectArbitrary
ModeCamera
Measurement Point
SubjectArbitraryCheck on LCD display
Measuring Instrument
Measurement Point
Check on LCD displayAdjustment PageD
Measuring Instrument
Adjustment Address80, 81
Adjustment PageD
Specified ValueThe LCD screen should not be
Adjustment Address85
colored.
Specified ValueThe brightness difference between the
section A and section B is minimum.Note:Check the white balance only when replacing the following parts. If
necessary, adjust them.
1. LCD panel
Note:Perform OBright Adjustment� and OContrast Adjustment� before this
2. Light induction plate
adjustment.
3. IC5502
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: 3, address: 0C, set data: 20, and press the PAUSE
2) Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
3) Select page: 3, address: 22, set data: 0F, and press the PAUSE
3) Select page: 3, address: 22, set data: 0B, and press the PAUSE
button of the adjustment remote commander.
button of the adjustment remote commander.
4) Select page: 2, address: 0E, and set data: 20.
4) Select page: D, address: 80 and 81, set the data to the initial
5) Select page: D, address: 85, change the data so that the
value.
brightness of the section A and that of the section B is equal.
Note:Press the PAUSE button of the adjustment remote commander
6) Press the PAUSE button of the adjustment remote commander.each time to set the data.
7) Select page: 2, address: 0E, and set data: 00.
Address8081
8) Select page: 3, address: 22, set data: 00, and press the PAUSE
DataA070
button of the adjustment remote commander.
9) Select page: 3, address: 0C, set data: 00, and pr5) Check that the LCD screen is not colored. If colored, changeess the PAUSE
button of the adjustment remote commander.the data of page: D, address: 80 and 81 so that the LCD screen
10) Select page: 0, address: 01, and set data: 00.is not colored.
Note:To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
BAto set the data.
6) Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
AB
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.
BA
AB
Fig. 5-1-27
5-27 |