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5-33

Video input/output

Phono jack, 1 Vp-p, 75

Ω

,

unbalanced, sync negative

S video input/output

4-pin mini DIN
Luminance signal:

1Vp-p, 75

Ω

, unbalanced, sync negative

Chrominance signal:

0.286Vp-p 75

Ω

, unbalanced

Audio input/output

Phono jack,
Input:

–7.5 dBs, input impedance more
than 47 k

Ω

Output: –7.5 dBs, (at load impedance 47 k

Ω

), impedance

less than 2.2 k

Ω

The record mode (Standard 8/Hi8) of this unit switches as shown in
the following table. The playback mode (Standard 8/Hi8) switches
automatically according to the recording mode of the tape played
back.

Fig. 5-3-3. Shows the color bar signals recorded on the alignment
tape.

Measure using the VIDEO terminal (Terminated at 75 

Ω

).

Fig. 5-3-3. Color Bar Signals of the Alignment Tape

1V

0.714V

0.286V

Horizontal sync signal 

Q

I

White (75%)

Yellow

White (100%)

Cyan

Green

Magenta

Red

Blue

Burst signal

0.286V 

White

(75%)

White

(100%)

Q

I

Black

Cy

an

Y

ello

w

Green

Magenta

Red

Blue

Color bar Pattern

Color bar signal waveform

The following table lists alignment tapes which are available.
Use the tape specified in the signal column for each adjustment.
If the type of tape to be used for checking operations is not specified,
use whichever type.

Tracking
WR5-1NP

Video frequency
characteristics
WR5-7NE

Operation check
(SP mode)
WR5-5NSP

Operation check
(SP mode)
WR5-8NSE

Operation check
(LP mode)
WR5-4NL

Operation check
(LP mode)
WR5-8NLE

AFM stereo
Operation check
WR5-9NS

BPF adjustment
WR5-11NS

Standard

8 mm

Hi8

Standard

8 mm

Hi8

Standard

8 mm

Hi8

Standard

8 mm

Hi8

MP

ME

MP

ME

MP

ME

MP

MP

SP

SP

SP

SP

LP

LP

SP

SP

Tape path
adjustment
Switching
position
adjustment

Frequency
characteristics
adjustment

Checking
operations

AFM stereo
Checking
operations

BPF
adjustment

ME

Hi8 MP

MP

Hi8

Standard 8

5-34

If the D, E, F page data is erased due to some reason, perform “1-2.
INITIALIZATION OF D, E, F PAGE DATA”, of “5-1. CAMERA
SECTION ADJUSTMENT”

Set the battery end voltage.
If the voltage is incorrect, the life of the battery will shorten.
The image at the battery end will also be rough.

Mode

Camera recording

Subject

Arbitrary

Measurement Point

LCD display of the adjustment remote
commander

Measuring Instrument

Adjustment Page

D

Adjustment Address

30 to 34

The lens block and cabinet (R) must be connected.

Switch setting
1)

AUTO FOCUS ................................................................. OFF

2)

LCD screen .................................................................. Closed

3)

NIGHT SHOT .................................................................. OFF

4)

VIDEO LIGHT ................................................................ OFF

Connection:
1)

Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-3-4.

Adjusting method:
1)

Adjust the output voltage of the regulated power supply so that
the digital voltmeter display is 6.1 ± 0.1Vdc.

2)

Turn off the power supply.

3)

Turn on the HOLD switch of the adjustment remote
commander.

4)

Turn on the power supply.

5)

Load a cassette, and set to the camera recording mode.

6)

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

7)

Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 5.30 ± 0.01Vdc.

8)

Select page: 2, address: 5D, read the data, and this data is named
Dref.

9)

Select page: D, address: 30, set data: Dref, and press the PAUSE
button of the adjustment remote commander.

10) Convert Dref to decimal notation, and obtain Dref’. (Refer to

Table 5-4-1. “Hexadecimal-decimal conversion table” of “5-4.
Service Mode”.)

11) Calculate D

31

', D

32

', D

33

' and D

34

' using following equations

(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.

Address: 31

D

31

' = Dref’ + 5

Address: 32

D

32

' = Dref’ + 32

Address: 33

D

33

' = Dref’ + 53

Address: 34

D

34

' = Dref’ + 64

 After setting each data, be sure to press the PAUSE button.

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

+

+

+

Regulated power supply

Digital voltmeter

5.3 

±

 0.01 Vdc

Fig. 5-3-4.

5-35

Improve the capstan servo characteristic. If it is not correct. jitters
will increase.

Mode

Camera recording (SP mode)

Subject

Arbitrary

Measurement Point

Pin !™ of CN910 (CAP FG)

Measuring Instrument

Oscilloscope

Adjustment Page

F

Adjustment Address

61

Specified value

Duty = 50 ± 1 %

Adjusting method:
1)

Set to the Camera recording mode (SP mode).

2)

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

3)

Select page: 6, address: 01, set data: 81, and press the PAUSE
button of the adjustment remote commander. (to start up
automatic CAP FG offset adjustment.)

4)

Select page: 6, address: 02, and check that the data is “01”.

5)

Check that Duty of CAP FG signal satisfies the specified value.
If not, select page: 6, address: 01, set data: 00, and press the
PAUSE button, and then, repeat steps 1) to 5).

6)

Select page: 6, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.

7)

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

If deviated in this case causes switching noise or jitter on the played
back screen.

Mode

Playback

Signal

Alignment tape:

For tracking adjustment
(WR5-1NP)

Measurement Point

CH1: Pin !¡ of CN910 (RF SWP)
CH2: Pin 6 of CN910 (PB RF)

Measuring Instrument

Oscilloscope

Adjustment Page

F

Adjustment Address

3E, 3F

Specified Value

t1 = 0 ± 10 

µ

sec

Adjusting Method:
1)

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

2)

Select page: F, address: 2C, set data: 20, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: F, address: 3E, change the data and minimize “t1”,
and then press the PAUSE button of the adjustment remote
commander. (Coarse adjustment)

4)

Select page: F, address: 3F, change the data and adjust so that
the switching position (t1) becomes the specified value. (Fine
adjustment)

5)

Press the PAUSE button of the adjustment remote commander.

6)

Select page: F, address: 2C, set data: 00, and press the PAUSE
button of the adjustment remote commander.

7)

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

A

B

Duty = A/B 

×

 100 [%] 

Center of movement 

CH1

CH2

Enlargement

t1=0 

±

 10 

µ

sec

CH1

CH2

Fig. 5-3-5.

Fig. 5-3-6.

5-36

Video system adjustments must be performed in the following order.

1.

28MHz origin oscillation adjustment

2.

AFC f

0

 adjustment

3.

Filter f

0

 adjustment

4.

Y OUT level adjustment

5.

C OUT level adjustment

6.

RP filter f

0

 adjustment

7.

REC Y current adjustment

8.

REC L level adjustment

9.

REC C current adjustment

Set the frequency of the clock for synchronization.
If deviated, the synchronization will be disrupted and the color will
become inconsistent.

Mode

VTR stop

Signal

No signal

Measurement Point

Pin #™ of IC301 or pin !™ of IC501

Measuring Instrument

Frequency counter

Adjustment Page

F

Adjustment Address

40

Specified Value

Pin #™ of IC301 :

f=3579545 ± 17Hz

Pin !™ of IC501 :

f=14318181 ± 68Hz

Adjusting method:
1)

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

2)

Select page: 2, address: 01, set data: 41, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 6, address: 61, and set data: 30.

4)

Select page: F, address: 40, change the data and set the clock
frequency (f) to the specified value.

5)

Press the PAUSE button of the adjustment remote commander.

6)

Select page: 6, address: 61, and set data: 10.

7)

Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.

8)

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

Adjust the pull-in range of the A/D converted clock generator during
playback.

Mode

VTR stop

Signal

No signal

Measurement Point

Pin 4 of CN910 (AFC f0)

Measuring Instrument

Digital voltmeter

Adjustment Page

F

Adjustment Address

6A

Specified Value

A=2.00 ± 0.05Vdc

Adjusting method:
1)

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

2)

Select page: 2, address: 01, set data: 4D, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: F, address: 6A, change the data and  set the DC
voltage (A) to the specified value.

4)

Press the PAUSE button of the adjustment remote commander.

5)

Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.

6)

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

IC501

1

12

36

25

24

37

13

48

IC301

1

16

48

33

49

32

64

17