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6-54

DCR-HC90/HC90E

Mode

CAMERA-TAPE

Subject

Arbitrary

Measurement Point

Y signal terminal of S VIDEO plug of
A/V jack (75

Ω

 terminated)

Measuring Instrument

Oscilloscope

Adjustment Page

C

Adjustment Address

25

Specified Value

A = 1000 

±

 14mV

Note1: This adjustment should be carried out upon completion of the

following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.

Note2: The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

8

4C

94

Set the data, and press PAUSE
button.

3

3

01

71

Set the data, and press PAUSE
button.

4

C

25

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

5

C

25

Press PAUSE button.

6

3

01

00

Set the data, and press PAUSE
button.

7

8

4C

96

Set the data, and press PAUSE
button.

8

0

01

00

Set the data.

Mode

CAMERA-TAPE

Subject

Arbitrary

Measurement Point

Chroma signal terminal of S VIDEO
plug of A/V jack (75

Ω

 terminated)

External trigger: Y signal terminal of
S VIDEO plug of A/V 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)

Note1: This adjustment should be carried out upon completion of the

following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.

Note2: The data of page: 0, address: 10 must be “00”.

1

0

01

01

Set the data.

2

8

4C

94

Set the data, and press PAUSE button.

3

3

01

71

Set the data, and press PAUSE button.

4

C

26

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

5

C

26

Press PAUSE button.

6

C

27

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

7

C

27

Press PAUSE button.

8

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

9

3

01

00

Set the data, and press PAUSE button.

10

8

4C

96

Set the data, and press PAUSE button.

11

0

01

00

Set the data.

Fig. 6-3-6.

Fig. 6-3-7.

H

A

µ

µ

µ

µ

6-55

DCR-HC90/HC90E

Adjust the IC4001 Y output level (IC4701 input Y level) when letting
the IC4701 line system pass. And adjust the clamp level and output
level of the IC4701 panel (LCD) system and output level of the
IC4001.

Mode

CAMERA-TAPE

Subject

Arbitrary

Measurement Point

Display data of page: 3, address: 04,
05

Measuring Instrument

Adjustment remote commander

Adjustment Page

C

Adjustment Address

83 to 8A, 99, A1 to A3

Specified Value

Data of page: 3, address: 04 is “78”.
Data of page: 3, address: 05 is “78”.

Note1: This adjustment should be carried out upon completion of the

following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”, “S VIDEO OUT Y Level Adjustment”
“S VIDEO OUT Chroma Level Adjustment”

Note2: The data of page: 0, address: 10 must be “00”.

1

Connect the A/V cable to the A/V
jack.

2

Open the LCD panel.

3

0

01

01

Set the data.

4

3

01

78

Set the data, and press PAUSE
button.

5

3

04

Check that the data is “78”.
(Note3)

6

3

05

Check that the data is “78”.
(Note3)

7

3

01

00

Set the data, and press PAUSE
button.

8

0

01

00

Set the data.

Note3: If the data is other than “78”, adjustment has errors. Contents of

the error is written into page: 3, addresses: 03. See the following
table.

Mode

CAMERA-TAPE

Subject

Arbitrary

Measurement Point

Video plug of A/V 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)

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

1

0

01

01

Set the data.

2

8

4C

94

Set the data, and press PAUSE
button.

3

3

01

71

Set the data, and press PAUSE
button.

4

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

5

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

6

3

01

00

Set the data, and press PAUSE
button.

7

8

4C

96

Set the data, and press PAUSE
button.

8

0

01

00

Set the data.

Data of page: 3,
address: 03

72

74

75

76

Contents of the abnormality

S VIDEO OUT Y Level adjustment
(IC4701 line on) error

IC4701 panel (LCD) clamp level
adjustment error

IC4001 panel (LCD) output level
adjustment error

IC4701 panel (LCD) output level
adjustment error

Fig. 6-3-8.

H

B

A

6-56

DCR-HC90/HC90E

[Connection of Audio System Measuring Devices]
Connect the audio system measuring devices as shown in Fig. 6-3-9.

Fig. 6-3-9

Ω

Ω

Ω

Ω

Ω

Ω

Ω

6-57

DCR-HC90/HC90E

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

VTR recording and playback

Signal

400Hz, –7.5 dBs signal: AUDIO
VIDEO 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, –7.5dBs signal in the AUDIO VIDEO jack.

2)

Record in the PLAY/EDIT mode.

3)

Playback the recorded section.

4)

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

Mode

VTR recording and playback

Signal

400Hz, –7.5dBs signal: AUDIO
VIDEO 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, –7.5dBs signal in the AUDIO VIDEO jack.

2)

Record in the PLAY/EDIT mode.

3)

Playback the recorded section.

4)

Check that the distortion is the specified value.

Mode

VTR recording and playback

Signal

No signal: Insert a shorting plug in the
AUDIO VIDEO 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 AUDIO VIDEO jack.

2)

Record in the PLAY/EDIT mode.

3)

Playback the recorded section.

4)

Check that the noise level is the specified value.

Mode

VTR recording and playback

Signal

400Hz, –7.5dBs signal: AUDIO
VIDEO jack <right> [left]
(Connect the AUDIO VIDEO 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, –7.5dBs signal in the <right> [left] terminal
of the AUDIO VIDEO jack only.

2)

Record in the PLAY/EDIT mode.

3)

Playback the recorded section.

4)

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