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5-21

Set the chroma signal level of the S video output signal.

Mode

VTR stop

Signal

No signal

Measurement Point

Chroma signal terminal of S VIDEO
jack (75 

Ω 

terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

94

Specified Value

A = 286 ± 6mV (NTSC)
A = 300 ± 6mV (PAL)

Adjusting method:
1)

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

2)

Select page: D, address: 15, after memorizing the data, set the
bit value of bit2 to “0”. (Refer to “4-3, 3. Bit value
discrimination” of “5-4. Service Mode”).

3)

Select page: D, address: 94, change the data and set the burst
signal level (A) to the specified value.

4)

Press the PAUSE button of the adjustment remote commander.

5)

Select page: D, address: 15, and set the data memorized at step
2).

6)

Press the PAUSE button of the adjustment remote commander.

7)

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

Fig. 5-3-15

Set the picture frame in recording.

Mode

VTR stop

Signal

75% color bar (VIDEO jack input)

Measurement Point

Y signal terminal of S VIDEO jack
(75 

Ω 

terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

A2

Specified Value

t

2

 – t

1

 = 0 ± 0.05 

µ

sec

Adjusting method:
1)

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

2)

Select page: 2, address: 13, and set data: FE.

3)

Check the delay time (t

1

).

4)

Select page: 2, address: 13, and set data: FF.

5)

Select page: D, address: A2, change the data so that the delay
time (t

2

) is equal to the delay time (t

1

) of step 3).

6)

Press the PAUSE button of the adjustment remote commander.

7)

Select page: 2, address: 13, and set data: 00.

8)

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

Fig. 5-3-16

A

H

H

t

1

 or t

2

H

t

1

 or t

2

5-22

Set the free-run frequency of the AFC VCO.

Mode

VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)

Signal

75% color bar (VIDEO jack input)

Measurement Point

Pin 

@º of CN9928 (AFC ERR)

Measuring Instrument

Digital voltmeter

Adjustment Page

D

Adjustment Address

A1

Specified Value

A = 1.9 ± 0.1Vdc

Don’t insert any plug in the S VIDEO jack.

Adjusting method:
1)

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

2)

Select page: D, address: A1, change the data and set the AFC
error voltage (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.

Set the free-run frequency of the decoder VXO.

Mode

VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)

Signal

No signal (VIDEO jack input) (Note)

Measurement Point

Pin 

1 of CN9928 (DEC FSC)

Measuring Instrument

Frequency counter

Adjustment Page

D

Adjustment Address

9F

Specified Value

f = 3579545 ± 50Hz (NTSC)
f = 4433619 ± 50Hz (PAL)

 Insert a plug in the VIDEO jack.

Adjusting method:
1)

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

2)

Select page: D, address: 9F, change the data and set the DEC
FSC frequency (f) to the specified value.

3)

Press the PAUSE button of the adjustment remote commander.

4)

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

Set the decoder ACC gain.

Mode

VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)

Signal

75% color bar (VIDEO jack input)

Measurement Point

Pin 

!¶ of CN9928 (DEC B-Y)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

9E

Specified Value

A = 325 ± 20mV

Adjusting method:
1)

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

2)

Select page: D, address: 9E, change the data and set the DEC
B-Y 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. 5-3-17

H

A

5-23

Set the decoder hue.

Mode

VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)

Signal

75% color bar (VIDEO jack input)

Measurement Point

Pin 

!¶ of CN9928 (DEC B-Y)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

A0

Specified Value

A-B = 0 ± 10mV (NTSC)
A = Minimum amplitude (PAL)

Adjusting method:
1)

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

2)

NTSC model
Select page: D, address: A0, change the data so that the voltage
(A) between the yellow and cyan is equal to the voltage (B)
between the green and magenta.
PAL model
Select page: D, address: A0, change the data so that the
waveform dose not appear double.

3)

Press the PAUSE button of the adjustment remote commander.

4)

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

Fig. 5-3-18

H

B

A

A

H

Set the IC9004 clamp level of the Y AD OUT.

Mode

VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)

Signal

75% color bar (VIDEO jack input)

Measurement Point

DDS display of LCD or TV monitor
(Note1), or Page: 2, address: 1C
display data of the adjustment remote
commander

Measuring Instrument

Adjustment Page

D

Adjustment Address

B6

Specified Value

0F to 11

The two digits of the display data of the LCD and TV monitor is
the object data.

 HI XX XXXX

Object data

How to connect the TV monitor.
1) Use the LASER LINK function.
2) Connect the TV monitor to S VIDEO jack.

In this case, select page: 2, address: 13, and set data: FE. After
completing adjustments, set data: 00 to the address.

Adjusting method:
1)

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

2)

Select page: D, address: 11, set data: 24, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 2, address: 96, and set data: 40.

4)

Select page: 2, address: 97, and set data: 18.

5)

Select page: D, address: B6, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1C)
to the specified value. (The data of address: B6 should be “00”
to “99”.)

6)

Press the PAUSE button of the adjustment remote commander.

Processing after Completing Adjustments
1)

Select page: D, address: 11, set data: 00, and press the PAUSE
button of the adjustment remote commander.

2)

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

3)

Select page: 2, address: 96, and set data: 00.

4)

Select page: 2, address: 97, and set data: 00.

5-24

Set the clamp level of the IC9004 CR AD OUT.

Mode

VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)

Signal

75% color bar (VIDEO jack input)

Measurement Point

DDS display of LCD or TV monitor
(Note), or Page: 2, address: 1D
display data of the adjustment remote
commander

Measuring Instrument

Adjustment Page

D

Adjustment Address

B4

Specified Value

FF or 00 or 01

Note: The two digits of the display data of the LCD and TV monitor
is the object data.

 HI XX XXXX

Object data

Adjusting method:
1)

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

2)

Select page: D, address: 11, set data: 24, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 2, address: 96, and set data: 40.

4)

Select page: 2, address: 97, and set data: 18.

5)

Select page: D, address: B4, set data: 4C, and press the PAUSE
button of the adjustment remote commander.

6)

Select page: D, address: B5, set data: 4C, and press the PAUSE
button.

7)

Select page: D, address: B4, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1D)
to the specified value. (The data of address: B4 should be “00”
to “99”.)

8)

Press the PAUSE button of the adjustment remote commander.

9)

Perform “CB AD Clamp Adjustment”.

Processing after Completing Adjustments
1)

Select page: D, address: 11, set data: 00, and press the PAUSE
button of the adjustment remote commander.

2)

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

3)

Select page: 2, address: 96, and set data: 00.

4)

Select page: 2, address: 97, and set data: 00.

Set the clamp level of the IC9004 CB AD OUT.

Mode

VTR stop (GV-D900/D900E)
Recording (GV-D300/D300E)

Signal

75% color bar (VIDEO jack input)

Measurement Point

DDS display of LCD or TV monitor
(Note1), or Page: 2, address: 1E
display data of the adjustment remote
commander

Measuring Instrument

Adjustment Page

D

Adjustment Address

B5

Specified Value

FF or 00 or 01

Note: The two digits of the display data of the LCD and TV monitor
is the object data.

 HI XX XXXX

Object data

Perform “CR AD Clamp Adjustment” before this adjustment.

Adjusting method:
1)

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

2)

Select page: D, address: 11, set data: 24, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 2, address: 96, and set data: 40.

4)

Select page: 2, address: 97, and set data: 18.

5)

Select page: D, address: B5, change the data and adjust the
DDS display data (or the display data of page: 2, address: 1E)
to the specified value. (The data of address: B5 should be “00”
to “99”.)

6)

Press the PAUSE button of the adjustment remote commander.

Processing after Completing Adjustments
1)

Select page: D, address: 11, set data: 00, and press the PAUSE
button of the adjustment remote commander.

2)

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

3)

Select page: 2, address: 96, and set data: 00.

4)

Select page: 2, address: 97, and set data: 00.