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5-26

Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 7 of CN704 (HSY)

Measuring Instrument

Frequency counter

Adjustment Page

D

Adjustment Address

D7 (NTSC)
DD (PAL)

Specified Value

f = 15734 ± 30 Hz (NTSC)
f = 15745 ± 30 Hz (PAL)

Menu setting:
VIDEO OUT of SET UP menu ............................................ NTSC
(This adjustment must be performed in NTSC mode, so don’t set
the menu setting to “PAL”.)

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 5, address: F0, set data: 01.

3)

Select page: D, address: D7, change the data and set the HSY
frequency (f) to the NTSC specified value.

4)

Press the PAUSE button of the adjustment remote commander.

5)

Select page: D, address: DD, change the data and set the HSY
frequency (f) to the PAL specified value.

6)

Press the PAUSE button.

7)

Select page: 5, address: F0, set data: 00.

8)

Select page: 0, address: 01, and set data: 00.

Set the D range of the LCD driver to the specified value. If deviated,
the LCD screen will become blackish or saturated (whitish).

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 9 of CN704 (VG)
External trigger: Pin 8 of CN704
(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

D5

Specified Value

A = 3.62 ± 0.05V

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 5, address: F1, set data: 03.

3)

Select page: D, address: D5, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.

4)

Press the PAUSE button of the adjustment remote commander.

5)

Select page: 5, address: F1, set data: 00.

6)

Select page: 0, address: 01, and set data: 00.

Fig. 5-1-16.

A

2H

Pedestal

Pedestal

5-27

Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 9 of CN704 (VG)
External trigger: Pin 8 of CN704
(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

D0

Specified Value

A = 2.00 ± 0.08V

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 5, address: F1, set data: 03.

3)

Select page: 2, address: 10, set data: 01.

4)

Select page: D, address: D0, change the data and set the voltage
(A) between the pedestal and GAMMA1 limiter level to the
specified value.

5)

Press the PAUSE button of the adjustment remote commander.

6)

Select page: 2, address: 10, set data: 00.

7)

Select page: 5, address: F1, set data: 00.

8)

Select page: 0, address: 01, and set data: 00.

Fig. 5-1-17.

Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 9 of CN704  (VG)
External trigger: Pin 8 of CN704
(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

D4

Specified Value

A = 3.31 ± 0.05V

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 5, address: F1, set data: 03.

3)

Select page: D, address: D4, change the data and set the voltage
(A) between the pedestal and 10 steps peak to the specified
value.

4)

Press the PAUSE button of the adjustment remote commander.

5)

Select page: 5, address: F1, set data: 00.

6)

Select page: 0, address: 01, and set data: 00.

Fig. 5-1-18.

A

2H

GAMMA 1 limiter level

Pedestal

A

2H

10 steps peak

Pedestal

5-28

Set the color saturation to the standard value. If deviated, the color
will be too dark or light.

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 9 of CN704 (VG)
External trigger: Pin 8 of CN704
(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

D1

Specified Value

A = 544 ± 50mV

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 5, address: F1, set data: 04.

3)

Select page: D, address: D1, change the data and set the voltage
(A) between the white 100% (Reference level) and green to
the specified value.

4)

Press the PAUSE button of the adjustment remote commander.

5)

Select page: 5, address: F1, set data: 00.

6)

Select page: 0, address: 01, and set data: 00.

Fig. 5-1-19.

Set the common electrode drive signal level of LCD to the specified
value.

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 8 of CN704 (PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

D6

Specified Value

A = 6.30 ± 0.05V

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: D, address: D6, change the data and set the V-
COM signal level (A) to the specified value.

3)

Press the PAUSE button of the adjustment remote commander.

4)

Select page: 0, address: 01, and set data: 00.

Fig. 5-1-20.

A

2H

White 100 %

Green

A

2H

5-29

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

PLAY

Signal

Arbitrary

Measurement Point

Check on LCD display

Measuring Instrument

Adjustment Page

D

Adjustment Address

D8

Specified Value

The brightness difference between the
section A and section B is minimum.

Perform “Bright Adjustment” and “Contrast Adjustment” before this
adjustment.

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 5, address: F1, set data: 02.

3)

Select page: 2, address: 10, set data: 02.

4)

Select page: D, address: D8, change the data so that the
brightness of the section A and that of the section B is equal.

5)

Press the PAUSE button of the adjustment remote commander.

6)

Select page: 5, address: F1, set data: 00.

7)

Select page: 2, address: 10, set data: 00.

8)

Select page: 0, address: 01, and set data: 00.

Fig. 5-1-21.

Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.

Mode

PLAY

Signal

Arbitrary

Measurement Point

Check on LCD display

Measuring Instrument

Adjustment Page

D

Adjustment Address

D2, D3

Specified Value

The LCD screen should not be
colored.

Use the AC power adaptor during this adjustment.

Check the white balance only when replacing the following parts.
If necessary, adjust them.

1. LCD panel
2. Light induction plate
3. IC803

Adjusting method:
1)

Select page: 0, address: 01, and set data: 01.

2)

Select page: 5, address: F1, set data: 02.

3)

Select page: D, address: D2 and D3, set the data to the initial
value.

Press the PAUSE button of the adjustment remote commander
each time to set the data.

4)

Check that the LCD screen is not colored. If colored, change
the data of page: D, address: D2 and D3 so that the LCD screen
is not colored.

To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.

5)

Select page: 5, address: F1, set data: 00.

6)

Select page: 0, address: 01, and set data: 00.

A

A

A

A

B

B

B

B

D2

B9

D3

B7