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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 CN002 (VG)
External trigger: Pin 8 of CN002
(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

84

Specified Value

A = 3.31 ± 0.07V

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: 84, change the data and set the voltage
(A) between the 10 steps peak and 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.5-1-21.

A

2H 

GAMMA1 limiter level

Pedestal

Fig.5-1-22.

A

2H 

10 steps peak

Pedestal

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 CN002 (VG)
External trigger: Pin 8 of CN002
(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

80

Specified Value

A = 2.17 ± 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, and set data: 01.

4)

Select page: D, address: 80, 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, and set data: 00.

7)

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

8)

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

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

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 8 of CN002 (PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

86

Specified Value

A= 6.50 ± 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: 86, change the data and set the COM
signal level (A) 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.5-1-23.

A

2H

Green 

White (100%)

A

2H

Fig.5-1-24.

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

Mode

PLAY

Signal

Arbitrary

Measurement Point

Pin 9 of CN002 (VG)
External trigger: Pin 8 of CN002
(PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

81

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: 81, 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.

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

82, 83

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. IC802 (LCD DRIVE)

Adjusting method:
1)

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

2)

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

3)

If used AC adapter, select page: D, address: 1C, after noting
the data, set data: 00, and press PAUSE button.
If used battery, select page: D, address: 1D, after noting the
data, set data: 0C.

4)

Select page: D, address: 82 and 83, set the data to the initial
value.

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

5)

Check that the LCD screen is not colored. If colored, change
the data of page: D, address: 82 and 83 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.

6)

Select page: D, address: 1C or 1D, set the data noted down at
step 3).

7)

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

8)

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

82

B9

83

B7

Fig.5-1-25.

A

A

A

A

B

B

B

B

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

88

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, and set data: 01.

3)

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

4)

Select page: D, address: 88, 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, and set data: 00.

7)

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

8)

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

Check the battery end voltage.

Mode

STILL

Subject

Arbitrary

Measurement Point

Display data of page: 2, address: 51

Measuring Instrument

Adjustment remote commander

Adjustment Page

D

Adjustment Address

30 to 34, 4A

Connection:
1)

Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-1-24.

Adjusting method:
1)

Adjust the output voltage of the regulated power supply so that
the digital voltmeter display is 3.5 ± 0.1Vdc.

2)

Turn off the power supply.

3)

Turn on the HOLD switch of the adjustment remote
commander.

4)

Turn on the power supply.

5)

Insert the memory stick to the unit, and set to the STILL mode.

6)

Set the FOCUS switch MANUAL side.

7)

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

8)

Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 3.00 ± 0.01Vdc.

9)

Select page: 2, address: 51, read the data, and this data is named
Vref.

10) Select page: D, address: 30, set data: Vref, and press the PAUSE

button of the adjustment remote commander.

11) Convert Dref to decimal notation, and obtain Dref’. (Refer to

Table 5-2-1. “Hexadecimal-decimal conversion table” of “5-2.
Service mode”)

12) Calculate V

31

', V

32

', V

33

', V

34

' and V

4A

' using following equations

(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.

Address: 31

V

31

' = Vref’+3

Address: 32

V

32

' = Vref’+10

Address: 33

V

33

' = Vref’+10

Address: 34

V

34

' = Vref’+10

Address: 4A

V

4A

' = Vref’+17

After setting each data, be sure to press the PAUSE button.

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

Fig.5-1-26.

Regulated power supply 

(3.5 

±

 0.1 Vdc)

Digital voltmeter

CN001

1

3

DD-131 BOARD