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6-34

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

Do either of the automatic adjustment or the manual adjustment.

Mode

Camera

Subject

Arbitrary

Adjustment Page

C

Adjustment Address

39

The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

3

01

50

Set the data, and press PAUSE
button.

3

3

02

Check that the data changes from
“50” to “00”.

4

3

01

00

Set the data, and press PAUSE
button.

5

0

01

00

Set the data.

Mode

Camera

Subject

Arbitrary

Measurement Point

Pin qd of CN1004 of VC-312 board
(EVF VG)

Measuring Instrument

Oscilloscope

Adjustment Page

C

Adjustment Address

39

Specified Value

A = 7.20 ± 0.10V

The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

C

39

Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to the
specified value.

3

C

39

Press PAUSE button.

4

0

01

00

Set the data.

Fig. 6-1-16.

6-35

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).

Do either of the automatic adjustment or the manual adjustment.

Mode

Camera

Subject

Arbitrary

Adjustment Page

C

Adjustment Address

3E

The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

3

01

51

Set the data, and press PAUSE
button.

3

3

02

Check that the data changes from
“51” to “00”.

4

3

01

00

Set the data, and press PAUSE
button.

5

0

01

00

Set the data.

Mode

Camera

Subject

Arbitrary

Measurement Point

Pin qd of CN1004 of VC-312 board
(EVF VG)

Measuring Instrument

Oscilloscope

Adjustment Page

C

Adjustment Address

3E

Specified Value

A = 2.50 ± 0.10V

The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

C

3E

Change the data and set the
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value. (The data should
be “00” to “7F”.)

3

C

3E

Press PAUSE button.

4

0

01

00

Set the data.

Fig. 6-1-17.

6-36

Correct the white balance.
If deviated, the reproduction of the EVF screen may degenerate.

Mode

Camera

Subject

Arbitrary

Measurement Point

Check on EVF screen

Measuring Instrument

Adjustment Page

C

Adjustment Address

3C, 3D

Specified Value

The EVF screen should not be colored.

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

1. LCD panel
2. Light induction plate
3. IC4201

The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

C

3C

80

Set the data, and press PAUSE
button.

3

C

3D

74

Set the data, and press PAUSE
button.

4

C

3D

Check that the EVF screen is not
colored. If not colored, proceed to
step 10.

5

C

3C

Change the data so that the EVF
screen is not colored.

6

C

3C

Press PAUSE button.

7

C

3D

Change the data so that the EVF
screen is not colored.

8

C

3D

Press PAUSE button.

9

C

3D

If the EVF screen is colored,
repeat steps 5 to 9.

10

0

01

00

Set the data.

6-37

The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.

When replacing the LCD unit, be careful to prevent damages
caused by static electricity.

Before performing the adjustments, check the data of page: 0,
address: 10 is “00”. If not, set data: 00 to this address.

NTSC model: DCR-TRV22
PAL model: DCR-TRV22E

Most of the measuring points for adjusting the LCD system are
concentrated in CN1004 of the VC-312 board. Connect the
measuring instruments via the multi CPC-7 jig (J-6082-382-A). The
following table shows the Pin No. and signal name of CN1004.

Table 6-1-14.

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

Mode

VTR stop

Signal

No signal

Measurement Point

Pin 7 of CN1004 of VC-312 board
(H START)

Measuring Instrument

Frequency counter

Adjustment Page

C

Adjustment Address

47, 48

Specified Value

f = 15734 ± 30Hz (NTSC)
f = 15625 ± 30Hz (PAL)

The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

C

47

Change the data and set the VCO
frequency (f) to the specified
value.

3

C

47

Press PAUSE button.

4

C

47

Read the data, and this data is
named D

47

.

5

Convert D

47

 to decimal notation,

and obtain D

47

’. (Note2)

6

Calculate D

48

’ using following

equations (Decimal calculation)
[NTSC model]
When D

47

’   229

D

48

’ = D

47

’ + 26

When D

47

’ > 229

D

48

’ = 255

[PAL model]
When D

47

’   26

D

48

’ = D

47

’ – 26

When D

47

’ < 26

D

48

’ = 0

7

Convert D

48

’ to a hexadecimal

number, and obtain D

48

. (Note2)

8

C

48

D

48

Set the data, and press PAUSE
button.

9

0

01

00

Set the data.

Refer to “Table 5-4-1. Hexadecimal-decimal Conversion Table”.

1

2

3

4

5

6

7

8

FRRV

RF MON

RF IN/LANC
JACK IN

SWP

PANEL COM

GND

H START

GND

9

10

11

12

13

14

15

16

PANEL VG

GND

EVF VCO

GND

EVF VG

EXT DA

LANC SIG

N.C.

CN1004

Remove the CPC lid

16

1

Fig. 6-1-18.