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6-54

Before perform the servo and RF system adjustments, check that
the specified value of “54 MHz/67.5 MHz Origin Oscillation
Adjustment” of “CAMERA SYSTEM ADJUSTMENT” is satisfied.
And check that the data of page: 0, address: 10 is “00”. If not, set
data: 00 to this address.

The lens block (CD-437 board) must be connected when
performing the adjustments.

NTSC model: DCR-TRV75/TRV80
PAL model: DCR-TRV75E/TRV80E

Mode

Camera

Subject

Arbitrary

Measurement Point

Y signal terminal of S VIDEO jack
(75

Ω

 terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

C

Adjustment Address

25

Specified Value

A = 1000 ± 14mV

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

DEMO MODE (Menu setting) ........................................ OFF

1

0

01

01

Set the data.

2

3

0C

02

Set the data, and press PAUSE
button.

3

C

25

Change the data and set the Y
signal level (A) to the specified
value.

4

C

25

Press PAUSE button.

5

3

0C

00

Set the data, and press PAUSE
button.

6

0

01

00

Set the data.

Mode

Camera

Subject

Arbitrary

Measurement Point

Chroma signal terminal of S VIDEO

jack (75

Ω

 terminated)

External trigger: Y signal terminal of S
VIDEO jack

Measuring Instrument

Oscilloscope

Adjustment Page

C

Adjustment Address

26, 27

Specified Value

Cr level:

A = 714 ± 14mV (NTSC)
A = 700 ± 14mV (PAL)

Cb level:

B = 714 ± 14mV (NTSC)
B = 700 ± 14mV (PAL)

Burst level: C = 286 ± 6mV (NTSC)

C = 300 ± 6mV (PAL)

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

DEMO MODE (Menu setting) ........................................ OFF

1

0

01

01

Set the data.

2

3

0C

02

Set the data, and press PAUSE
button.

3

C

26

Change the data and set the Cr signal
level (A) to the specified value.

4

C

26

Press PAUSE button.

5

C

27

Change the data and set the Cb signal
level (B) to the specified value.

6

C

7

Press PAUSE button.

7

Check that the burst signal level
(C) is satisfied the specified value.

8

3

0C

00

Set the data, and press PAUSE
button.

9

0

01

00

Set the data.

Fig. 6-3-5.

Fig. 6-3-6.

H

A

µ

µ

µ

µ

6-55

Mode

Camera

Subject

Arbitrary

Measurement Point

Video terminal of AUDIO VIDEO jack
(75

Ω

 terminated)

Measuring Instrument

Oscilloscope

Specified Value

Sync level: A = 286 ± 18mV (NTSC)

A = 300 ± 18mV (PAL)

Burst level: B = 286 ± 18mV (NTSC)

B = 300 ± 18mV (PAL)

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

DEMO MODE (Menu setting) ........................................ OFF

1

3

0C

02

Set the data, and press PAUSE
button.

2

Check that the sync signal level
(A) satisfies the specified value.

3

Check that the burst signal level
(B) satisfies the specified value.

4

3

0C

00

Set the data, and press PAUSE
button.

Fig. 6-3-7.

H

B

A

6-56

Connect the audio system measuring devices as shown in Fig. 6-3-8.

Fig. 6-3-8.

Ω

Ω

Ω

Ω

Ω

Ω

Ω

6-57

Mode

VTR playback

Signal

Alignment tape:

For audio operation check
(XH5-3 (NTSC))
(XH5-3P (PAL))

Measurement Point

Audio left or right terminal of AUDIO
VIDEO jack

Measuring Instrument

Audio level meter and frequency
counter

Specified Value

32 kHz mode: 1 kHz, +3.0 ± 2.0dBs
48 kHz mode: 1 kHz, +3.0 ± 2.0dBs
44.1 kHz mode:
The 7.35kHz signal level during EMP
OFF is +2.0 ± 2.0dBs.
The 7.35kHz signal level during EMP
ON is –6 ± 2 dB from the signal level
during EMP OFF.

Checking Method:
1)

Check that the playback signal level is the specified value.

Mode

Camera recording and playback

Signal

400Hz, –66 dBs signal: MIC jack left
and right

Measurement Point

Audio left or right terminal of AUDIO
VIDEO jack

Measuring Instrument

Audio level meter

Specified Value

–7.5 ± 3.0dBs

Checking Method:
1)

Input the 400Hz, –66dBs signal in the MIC jack.

2)

Record in the camera mode.

3)

Playback the recorded section.

4)

Check that the 400Hz signal level is the specified value.

Mode

Camera recording and playback

Signal

400Hz, –66dBs signal: MIC jack left
and right

Measurement Point

Audio left or right terminal of AUDIO
VIDEO jack

Measuring Instrument

Audio distortion meter

Specified Value

Below 0.4%
(200Hz to 6kHz BPF ON)

Checking Method:
1)

Input the 400Hz, –66dBs signal in the MIC jack.

2)

Record in the camera mode.

3)

Playback the recorded section.

4)

Check that the distortion is the specified value.

Mode

Camera recording and playback

Signal

No signal: Insert a shorting plug in the
MIC jack

Measurement Point

Audio left or right terminal of AUDIO
VIDEO jack

Measuring Instrument

Audio level meter

Specified Value

Below –45dBs
(IHF-A filter ON, 20kHz LPF ON)

Checking Method:
1)

Insert a shorting plug in the MIC jack.

2)

Record in the camera mode.

3)

Playback the recorded section.

4)

Check that the noise level is the specified value.

Mode

Camera recording and playback

Signal

400Hz, –66dBs signal: MIC jack
<right> [left]
(Connect the MIC jack <left> [right]
to GND)

Measurement Point

Audio <left> [right] terminal of
AUDIO VIDEO jack

Measuring Instrument

Audio level meter

Specified Value

Below –40dBs (IHF-A filter ON)

< > : Left channel check
[   ] : Right channel check

Checking Method:
1)

Input the 400Hz, –66dBs signal in the <right> [left] terminal
of the MIC jack only.

2)

Record in the camera mode.

3)

Playback the recorded section.

4)

Check that the signal level of the audio <left> [right] terminal
is the specified value.