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5-46

Set the sub-carrier frequency of the video output signal in the VTR
mode.

Mode

VTR stop

Signal

No signal

Measurement Point

R1901 (Pin 2 of IC1900)

Measuring Instrument

Frequency counter

Adjustment Page

D

Adjustment Address

98

Specified Value

f = 13500000 ± 68 Hz (NTSC)
f = 13500000 ± 68 Hz (PAL)

Adjusting method:
1)

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

2)

Select page: D, address: 98, change the data and set the clock
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.

Mode

VTR stop

Signal

No signal

Measurement Point

Display data of page: 2, address: 0E

Measuring Instrument

Adjustment remote commander

Specified Value

“C0” to “FF”

Adjusting method:
1)

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

2)

Select page: 2, address: 05, set data: 02, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: D, address: B0, set data: 03, and press the PAUSE
button.

4)

Select page: 2, address: 0E, and check that the data is “C0” to
“FF”.

5)

Select page: D, address: B0, set data: 05, and press the PAUSE
button.

6)

Select page: 2, address: 0E, and check that the data is “C0” to
“FF”.

7)

Select page: D, address: B0, set data: 00, and press the PAUSE
button.

8)

Select page: 2, address: 05, set data: 00, and press the PAUSE
button.

9)

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

Mode

VTR playback

Signal

Arbitrary

Measurement Point

Display data of page: 3, address: 39

Measuring Instrument

Adjustment remote commander

Specified Value

“37” to “C9”

Checking method:
1)

Select page: 3, address: 39, and check that the data is “37” to
“C9”.

5-47

Set the Y signal level of the composite video output signal.

Mode

VTR stop

Signal

No signal

Measurement Point

Video signal terminal of AUDIO/
VIDEO jack (75 

Ω 

terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

96

Specified Value

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

Insert a plug in the AUDIO/VIDEO jack.

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: 96, change the data and set the Y 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.

8)

Perform “Composite Output Chroma Level Adjustment”.

Fig. 5-3-9

A

H

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

Mode

VTR stop

Signal

No signal

Measurement Point

Video signal terminal of AUDIO/
VIDEO jack (75 

Ω 

terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

97

Specified Value

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

Insert a plug in the AUDIO/VIDEO jack.

Perform “Composite Output Chroma Level Adjustment” before
this adjustment.

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: 97, 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.

8)

Perform “S-C Output Level Adjustment”.

Fig. 5-3-10

A

H

5-48

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 ± 6 mV (NTSC)
A = 300 ± 6 mV (PAL)

Insert a plug in the S VIDEO jack.

Perform “Composite Output Y Level Adjustment” and “Composite
Output Chroma Level Adjustment” before this adjustment.

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. 5-3-11

A

H

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

Mode

VTR stop

Signal

No signal

Measurement Point

Y signal terminal of S VIDEO jack
(75 

Ω 

terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

95

Specified Value

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

Insert a plug in the S VIDEO jack.

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: 95, change the data and set the sync
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. 5-3-12

A

H

5-49

Set the AGC gain.

Mode

VTR stop

Signal

75% color bar (Video signal terminal
of AUDIO/VIDEO jack)

Measurement Point

Y signal terminal of S VIDEO jack
(75 

Ω 

terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

D

Adjustment Address

9A

Specified Value

A = 1.00 ± 0.02V

Insert a plug in the S VIDEO jack.

Before perform this adjustment, check that the specified value of
“S-Y Output Level Adjustment” is satisfied.

Adjusting method:
1)

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

2)

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

3)

Select page: D, address: 9A, change the data and set the Y
signal level (A) to the specified value.

4)

Press the PAUSE button of the adjustment remote commander.

5)

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

6)

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

Fig. 5-3-13

H

A

White (100%)

A

White (100%)

H

Set the picture frame in recording.

Mode

VTR stop

Signal

75% color bar (Video signal terminal
of AUDIO/VIDEO jack)

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

Insert a plug in the S VIDEO jack.

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. 5-3-14

H

t

1

 or t

2

H

t

1

 or t

2