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6-46

Set the video signal center level of LCD panel to an appropriate
level.

Mode

VTR stop

Signal

No signal

Measurement Point

Pin 1 of CN803 (VG)

Measuring Instrument

Digital voltmeter

Adjustment Page

C

Adjustment Address

8D

Specified Value

A = 7.00 ± 0.05Vdc

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

1

0

01

01

Set the data.

2

C

8D

Change the data and set the DC
voltage (A) to the specified value.
(The data should be “00” to “7F”.)

3

C

8D

Press PAUSE button.

4

0

01

00

Set the data.

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

VTR stop

Signal

No signal

Measurement Point

Check on LCD display

Measuring Instrument

Adjustment Page

C

Adjustment Address

86

Specified Value

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

This adjustment should be carried out upon completion of the
following adjustments.
Bright adjustment, Black limit adjustment, Contrast adjustment,
Center level adjustment

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

1

0

01

01

Set the data.

2

C

86

Change the data so that the
brightness of the section A and
that of the section B is equal.
(Note3)

3

C

86

Subtract 2 from the data. (Note3)

4

C

86

Press PAUSE button.

5

0

01

00

Set the data.

The data should be “80” to “BF”.

Fig. 6-1-25.

A

A

A

A

B

B

B

B

6-47

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

Mode

VTR stop

Signal

No signal

Measurement Point

Check on LCD screen

Measuring Instrument

Adjustment Page

C

Adjustment Address

8A, 8B

Specified Value

The LCD 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. IC801

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

1

0

01

01

Set the data.

2

C

8A

7F

Set the data, and press PAUSE
button.

3

C

8B

61

Set the data, and press PAUSE
button.

4

C

8B

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

5

C

8A

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

6

C

8A

Press PAUSE button.

7

C

8B

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

8

C

8B

Press PAUSE button.

9

C

8B

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

10

0

01

00

Set the data.

6-48

For detail of mechanism section adjustments, checks, and
replacement of mechanism parts, refer to the separate volume
“MICRO MV MECHANICAL ADJUSTMENT MANUAL 1
 V Mechanism  ”.

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

Connect the adjustment remote commander to LANC jack.

1)

Connect the adjustment remote commander.

2)

Turn on the HOLD switch of the adjustment remote
commander.

3)

Close the cassette compartment without loading a cassette and
complete loading.

4)

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

5)

Select page: 9, address: 74, set data: 01, and press the PAUSE
button.

6)

Select page: 9, address: 81, set data: 01, and press the PAUSE
button.

7)

Select page: 9, address: C4, set data: 02, and press the PAUSE
button.

8)

Disconnect the power supply of the unit.
By carrying out the above procedure, the unit can be operated
without loading a cassette. Never do opening or closing of the
cassette compartment under this condition.
Be sure to carry out “Procedure checking operations” after
checking the operations.
Set the following data to page: D, address: 10, if the forced
power supply ON mode is to be used together.
   Forced VTR power supply ON mode .............................. 02
   Forced CAMERA power supply ON mode ..................... 01

1)

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

2)

Select page: 9, address: 74, set data: 00, and press the PAUSE
button.

3)

Select page: 9, address: 81, set data: 00, and press the PAUSE
button.

4)

Select page: 9, address: C4, set data: 00, and press the PAUSE
button.

5)

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

6)

Disconnect the power supply of the unit.

Fig. 6-2-1.

The lens block (CD-406 board) must be connected when performing
the adjustment.

1)

Clean the tape running side (tape guide, capstan shaft, pinch
roller, etc.).

2)

Connect an oscilloscope to CN452 of VC-308 board.
Channel 1: CN452 Pin 3 (or CL457) (Note)
External trigger: CN452 Pin 7 (or CL458)

Connect a 75

Ω

 resistor (1-247-804-11) between Pins 3 of

CN452 and GND.

3)

Playback the alignment tape for tracking. (XH8-1)

4)

Connect the adjustment remote commander and turn the HOLD
switch to the ON position.

5)

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

6)

Select page: 9, address: BC, set data: 0D, and press the PAUSE
button.

7)

Select page: 9, address: B1, set data: 62, and press the PAUSE
button.

8)

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

9)

Select page: 3, address: 0A, set data: 40, and press the PAUSE
button.

10) Check that the data of page: 3, address: 0B changes from “40”

to “00”.

11) Rotate the HOLD OFF knob of the oscilloscope so that the

flattest waveform is displayed.

12) Check that the oscilloscope RF waveform is normal at the

entrance and exit.
If not normal, adjust according to the separate volume
“MICRO MV MECHANICAL ADJUSTMENT MANUAL 1
  V Mechanism  ”.

Or CL457

Or CL458

Table. 6-2-1.

1)

Connect the adjustment remote commander and set the HOLD
switch to the ON position.

2)

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

3)

Select page: 9, address: BC, set data: 00, and press the PAUSE
button.

4)

Select page: 9, address: B1, set data: 22, and press the PAUSE
button.

5)

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

1

3 (Note1)

5

7 (Note2)

9

11

13

15

17

19

21

D 2.8V

RF MON OUT

QTM2

SWP

MD0

RH RST

SWP SO

MD2

XSYS RST

DRUM ON

REG GND

2

4

6

8

10

12

14

16

18

20

CPC ENV OUT

QTM1

RAW PB

MD2

DIS HISIO

PLL ON DIA

SCK3

XCS MC FLASH

XCS ST IMAGE IC

FRRV

5msec

CH1

Trigger

6-49

NTSC model: DCR- IP210/IP220
PAL model: DCR- IP210E/IP220E

Use the following measuring instruments for video section
adjustments.

1)

TV monitor

2)

Oscilloscope (dual-phenomenon, band width above 30 MHz
with delay mode) (Unless specified otherwise, use a 10 : 1
probe.)

3)

Frequency counter

4)

Pattern generator with video output terminal

5)

Digital voltmeter

6)

Audio generator

7)

Audio level meter

8)

Audio distortion meter

9)

Audio attenuator

10) Regulated power supply
11) Alignment tapes

• Tracking (XH8-1)

Parts code: 8-967-998-01

• SW V&A NTSC (XH8-2)

Parts code: 8-967-998-11

• SW V&A PAL (XH8-3)

Parts code: 8-967-998-21

12) Adjustment remote commander (J-6082-053-B)