10. V-COM Adjustment (CB-61 board)11. White Balance Adjustment (CB-61 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 andVTR stop
conspicuous horizontal lines.
Signal10-step stair-step signal or color bar
ModePlayback pausesignal whose chroma and burst signals
SignalAlignment tape:are turned off
For system operation checkMeasurement PointCheck on LCD display
monoscope section
(XH5-5 (NTSC))Measuring Instrument
Adjustment PageD
(XH5-5P (PAL))
Measurement PointCheck on LCD displayAdjustment Address61, 62
Measuring InstrumentSpecified ValueThe LCD screen should not be
colored.
Adjustment PageD
Adjustment Address65Note1:Check the white balance only when replacing the following parts.
If necessary, adjust them.
Note1:Perform OBright Adjustment� and OContrast Adjustment� befor1. LCD panele
this adjustment.2. Light induction plate
3. IC801
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.Adjusting method:
2) Select page: D, address: 65, change the data so that the1) Select page: 0, address: 01, and set data: 01.
horizontal lines of the gray sections are not conspicuous.2) Select page: D, address: 61 and 62, and set the data to the initial
3) Press the PAUSE button of the adjustment remote commandervalue..
4) Select page: 0, address: 01, and set data: 00.Note: To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.
Address6162
Data706F
3) Check that the LCD screen is not colored. If colored, change
the data of page: D, address: 61 and 62 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.
4) Select page: 0, address: 01, and set data: 00.
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ACEC
