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5-47

Mode

VTR stop

Signal

No signal

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 = 700 ± 14mV
Cb level: B = 700 ± 14mV
Burst level: C =300 ± 6mV

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

1

0

01

01

Set the data.

2

D

FE

10

Set the data, and press PAUSE
button.

3

3

0C

02

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

0C

00

Set the data, and press PAUSE
button.

10

D

FE

00

Set the data, and press PAUSE
button.

11

0

01

00

Set the data.

Mode

VTR stop

Signal

No signal

Measurement Point

Video signal terminal of AUDIO/
VIDEO jack (75

Ω

 terminated)

Measuring Instrument

Oscilloscope

Specified Value

Sync level: A = 307 ± 18mV
Burst level: B = 300 ± 18mV

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

1

0

01

01

Set the data.

2

D

FE

10

Set the data, and press PAUSE
button.

3

3

0C

02

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

0C

00

Set the data, and press PAUSE
button.

7

D

FE

00

Set the data, and press PAUSE
button.

8

0

01

00

Set the data.

Fig. 5-3-8.

µ

µ

Fig. 5-3-9.

5-48

Set the Y/C signal output level during the Hi8/Standard8 playback
mode.

Mode

VTR stop

Signal

No signal

Adjustment Page

C

Adjustment Address

44, 45

Perform this adjustment when IC2201 is replaced.

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

1

0

01

01

Set the data.

2

D

10

02

Set the data, and press PAUSE
button.

3

3

9E

01

Set the data.

4

3

A4

Check that the data.
When the data is “53”, proceed
to step 5.
When the data is “03”, proceed
to step 8.

5

C

44

65

Set the data, and press PAUSE
button.

6

C

45

72

Set the data, and press PAUSE
button.

7

Proceed to step 10.

8

C

44

A0

Set the data, and press PAUSE
button.

9

C

45

B8

Set the data, and press PAUSE
button.

10

3

9E

00

Set the data.

11

D

10

00

Set the data, and press PAUSE
button.

12

0

01

00

Set the data.

Adjust the pull-in range of the clock generator (IC2201) for A/D
conversion during Hi8/standard 8mm playback.

Mode

VTR stop

Signal

No signal

Measurement Point

Display data of page: 3, address: 9D

Measuring Instrument

Adjustment remote commander

Adjustment Page

C

Adjustment Address

43

Specified Value

7C to 84

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

1

0

01

01

Set the data.

2

D

10

02

Set the data, and press PAUSE
button.

3

3

0D

04

Set the data, and press PAUSE
button.

4

3

93

04

Set the data.

5

3

9E

01

Set the data.

6

C

43

50

Set the data, and press PAUSE
button.

7

3

01

60

Set the data, and press PAUSE
button.

8

3

02

Check that the data changes from
“60” to “00”.

9

3

03

Check that the data is “00”.

10

3

01

00

Set the data, and press PAUSE
button.

11

3

9D

Check that the data satisfies the
specifies value.
When the data doesn’t satisfy the
specified value, return to step 6.

12

3

0D

00

Set the data, and press PAUSE
button.

13

3

93

00

Set the data.

14

3

9E

00

Set the data.

15

D

10

00

Set the data, and press PAUSE
button.

16

0

01

00

Set the data.

5-49

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

[Connecting the measuring instruments for the audio]
Connect the audio system measuring instruments in addition to the
video system measuring instruments as shown in Fig. 5-3-10.

1)

Hi8/Standard8 AFM BPF f

0

 adjustment

2)

Hi8/Standard8 AFM 1.5MHz deviation adjustment

3)

Hi8/Standard8 AFM 1.7MHz deviation adjustment

4)

Digital8 playback level check

5)

Overall level characteristics check

6)

Overall distortion check

7)

Overall noise level check

8)

Overall separation check

Sets the BPF passing frequency of IC5701 so that the AFM signal
can separate from the playback RF signal properly. If deviated. the
mono/stereo mode will be differentiated incorrectly, and noises and
distortions will increase during high volume playback.

Mode

Playback

Signal

Hi8/Standard8 alignment tape:
  For BPF adjustment
  (WR5-11CS)

Measurement Point

AUDIO/VIDEO jack left or right

Measuring Instrument

Distortion meter

Adjustment Page

C

Adjustment Address

4E

Specified Value

The Main and Sub channel distortion
rate should be almost the same (within
± 1%) and minimum.

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

Adjusting method:
1)

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

2)

Set the Hi-Fi SOUND switch (menu display) to “2”.

3)

Select page: C, address: 4E, change the data and minimize the
distortion rate.

4)

Press the PAUSE button.

5)

Set the Hi-Fi SOUND switch (menu display) to “1”.

6)

Select page: C, address: 4E, change the data and minimize the
distortion rate.

7)

Press the PAUSE button.

8)

Repeat steps 2) to 7) and set the data of address: 4E so that the
distortions rates when the Hi-Fi SOUND switch is set to “2”
and set to “1” respectively are almost the same and minimum.

9)

Press the PAUSE button.

10) Select page: 0, address: 01, and set data: 00.
11) Set the Hi-Fi SOUND switch to “STEREO”.

Fig. 5-3-10.

Ω

Ω

Ω

Ω

Ω

Ω

Ω

5-50

Adjust to the optimum 1.5MHz audio FM signal deviation.
If the adjustment is not correct, its playback level will differ from
that of other units.

Mode

Playback

Signal

Hi8/Standard8 alignment tape:
  For checking AFM stereo operation
  Monoscope section (WR5-9CS)

Measurement Point

AUDIO/VIDEO jack left or right

Measuring Instrument

Audio level meter

Adjustment Page

C

Adjustment Address

4C

Specified Value

–7.5 ± 2.0dBs

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

Adjusting method:
1)

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

2)

Set the Hi-Fi SOUND switch (menu display) to “1”.

3)

Select page: C, address: 4C, change the data and set the 400Hz
signal level to the specified value.

4)

Press the PAUSE button.

5)

Set the Hi-Fi SOUND switch (menu display) to “STEREO”.

6)

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

Adjust to the optimum 1.7MHz audio FM signal deviation.
If improper, this causes deteriorated separation (with stereo signal).

Mode

Playback

Signal

Hi8/Standard8 alignment tape:
  For checking AFM stereo operation
  Monoscope section (WR5-9CS)

Measurement Point

AUDIO/VIDEO jack left or right

Measuring Instrument

Oscilloscope

Adjustment Page

C

Adjustment Address

4D

Specified Value

–7.5 ± 2.0dBs

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

Adjusting method:
1)

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

2)

Set the Hi-Fi SOUND switch (menu display) to “2”.

3)

Select page: C, address: 4D, change the data and set the 1kHz
signal level to the specified value.

4)

Press the PAUSE button.

5)

Set the Hi-Fi SOUND switch (menu display) to “STEREO”.

6)

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

Mode

Playback

Signal

Digital8 alignment tape:
  For audio operation check
  (WR5-3CD)

Measurement Point

AUDIO/VIDEO jack left or right

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

Recording and playback

Signal

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

Measurement Point

AUDIO/VIDEO jack left or right

Measuring Instrument

Audio level meter

Specified Value

–7.5 ± 3.0dBs

Checking Method:
1)

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

2)

Record the signal.

3)

Playback the recorded section.

4)

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

Mode

Recording and playback

Signal

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

Measurement Point

AUDIO/VIDEO jack left or right

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 left and right.

2)

Record the signal.

3)

Playback the recorded section.

4)

Check that the distortion is the specified value.