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5-27

Set the common electrode drive signal level of LCD to the specified
value.

Mode

VTR stop

Signal

No signal

Measurement Point

Pin 4 of CN5501 (PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

E

Adjustment Address

D7

Specified Value

A = 4.60 ± 0.05V

Perform “Bright Adjustment” and “Contrast Adjustment” before this
adjustment.

Adjusting method:
1)

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

2)

Select page: 2, address: 01, set data: 55, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 6, address: 7D, and set data: 00.

4)

Select page: E, address: D7, change the data and set the PANEL
COM signal level (A) to the specified value.

5)

Press the PAUSE button.

6)

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

7)

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

Set the color saturation to the standard value. If deviated, the color
will be to dark or light.

Mode

VTR stop

Signal

No signal

Measurement Point

Pin 3 of CN5501 (VG)
   External trigger : Pin 4 of CN5501
   (PANEL COM)

Measuring Instrument

Oscilloscope

Adjustment Page

E

Adjustment Address

D2, DB

Specified Value

A = +0.03 ± 0.05V

Adjusting method:
1)

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

2)

Select page: 2, address: 01, set data: 57, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 6, address: 7D, and set data: 20.

4)

Select page: E, address: D2, change the data and set the green
level (A) to the specified value in respect to white.

5)

Add 9 to the data of page: E, address: D2, and press the PAUSE
button.

6)

Select page: E, address: DB, set the same data as page: E,
address: D2, and press the PAUSE button.

7)

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

8)

Select page: 6, address: 7D, and set data: 00.

9)

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

A

2H

Fig. 5-1-21.

Fig. 5-1-22.

A

2H

Green 

White (Reference level)

5-28

Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.

Mode

VTR stop

Signal

No signal

Measurement Point

Check on LCD display

Measuring Instrument

Adjustment Page

E

Adjustment Address

D9

Specified Value

The brightness difference between the
section A and section B is minimum.

Perform “Bright Adjustment” and “Contrast Adjustment” before this
adjustment.

Adjusting method:
1)

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

2)

Select page: 2, address: 01, set data: 51, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 6, address: 7D, and set data: 87.

4)

Select page: E, address: D9, change the data so that the
brightness of the section A and that of the section B is equal.

5)

Press the PAUSE button.

6)

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

7)

Select page: 6, address: 7D, and set data: 00.

8)

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

Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.

Mode

VTR stop

Signal

No signal

Measurement Point

Check on LCD display

Measuring Instrument

Adjustment Page

E

Adjustment Address

D3, D4

Specified Value

The LCD screen should not be colored.

Check the white balance only when replacing the following parts.
If necessary, adjust them.

1. LCD panel
2. Light induction plate
3. IC5502

Adjusting method:
1)

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

2)

Select page: 2, address: 01, set data: 51, and press the PAUSE
button of the adjustment remote commander.

3)

Select page: 6, address: 7D, and set data: 02.

4)

Select page: E, address: D3 and D4, and set the data to the
initial value.

To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.

5)

Check that the LCD screen is not colored. If colored, change
the data of page: E, address: D3 and D4 so that the LCD screen
is not colored.

To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.

6)

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

7)

Select page: 6, address: 7D, and set data: 00.

8)

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

D3

D4

98

7B

A

A

A

A

B

B

B

B

Fig. 5-1-23.

5-29

Mechanism Section adjustments, checks, and replacement of
mechanism parts, refer to the separate volume “8mm Video
Mechanism Adjustment Manual 

   B Mechanism  ”.

1)

Refer to “Section 2. DISASSEMBLY” and supply the power
with the cabinet assembly removed. (So that the mechanical
deck can be operated.)

2)

Connect the adjustment remote commander to the LANC jack.

3)

Turn on the HOLD switch of the adjustment remote
commander.

4)

Close the cassette compartment without loading a cassette and
complete loading.

5)

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

6)

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

7)

Select page: D, address: 10, set data: 10, and press the PAUSE
button of the adjustment remote commander.

8)

Disconnect the power supply of the unit.
By carrying out the above procedure, the unit can be operated
without loading a cassette.
Be sure to carry out “Processing after Operations” after
checking the operations.
Set the data of page: D, address: 10 to the following if the
sensor ineffective mode, forced VTR power supply On mode
or forced camera power supply ON mode are to be used
together.

Forced VTR power ON mode ........................................ 12
Forced camera power ON mode .................................... 11

1)

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

2)

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

3)

Select page: D, address: 10, set data: 00, and press the PAUSE
button of the adjustment remote commander.

4)

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

5)

Disconnect the power supply of the unit.

1)

Clean the tape path face (tape guide, capstan shaft, pinch roller).

2)

Connect the adjustment remote commander to the LANC jack.

3)

Turn on the HOLD switch of the adjustment remote
commander.

4)

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

5)

Select page: F, address: 2C, set data: 04, and press the PAUSE
button of the adjustment remote commander.
(Be sure to perform “Processing after operation” after
completing adjustments.)

6)

Connect the oscilloscope to VC-214 board CN910 via CPC-7
jig (J-6082-382-A).
Channel 1: VC-214 board, CN910 Pin 6
External trigger: VC-214 board, CN910 Pin !¡

7)

Playback an alignment tape for tracking. (WR5-1CP)

8)

Check that the oscilloscope RF waveform is flat at the entrance
and exit.
If not flat, adjust according to the separate volume “8mm Video
Mechanical Adjustment Manual 

   B Mechanism  ”.

9)

Perform “Processing after operations”, after completing
adjustment.

Table 5-2-1.

1)

Connect the adjustment remote commander, and turn on the
HOLD switch.

2)

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

3)

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

4)

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

5)

Remove the power supply from the unit.

Fig. 5-2-1.

1

2

3

4

5

6

7

8

LANC SIG

XCPC IN

IR VIDEO

AFC F0

BPF MONI

PB RF

RF AGC IN

REG GND

9

10

11

12

13

14

15

16

RF AGC OUT

REC RF

RF SWP

CAP FG

EVF BL

EVF BL 4.75V

VCO

EVF VG

Must be flat 

5-30

Use the following measuring instruments for video section
adjustments.

1)

TV monitor

2)

Oscilloscope (dual-phenomenon, band width above 30 MHz
with delay mode) (Unless specified otherwise, use a 10 : 1
probe.)

3)

Frequency counter

4)

Pattern generator with video output terminal

5)

Digital voltmeter

6)

Audio generator

7)

Audio level meter

8)

Audio distortion meter

9)

Audio attenuator

10) Regulated power supply
11) Alignment tapes

• For tracking adjustment (WR5-1CP)

Parts code : 8-967-995-07

• For video frequency characteristics adjustment (WR5-7CE)

Parts code : 8-967-995-18

• For checking Standard 8 mode operations
• For LP (WR5-4CL)

Parts code : 8-967-995-56

• For SP (WR5-5CSP)

Parts code : 8-967-995-47

The following alignment tapes can also be used.
1) WR5-3CL (8-967-995-36)
2) WR5-4CSP (8-967-995-46)

• For checking Hi8 mode operations
• For LP (WR5-8CLE)

Parts code : 8-967-995-57

• For SP (WR5-8CSE)

Parts code : 8-967-995-48

• For Checking AFM stereo operations (WR5-9CS)

Parts code : 8-967-995-28

• For BPF adjustment (WR5-11CS)

Parts code : 8-967-995-76

12) Adjustment remote commander (J-6082-053-B)
13) CPC-7 jig (J-6082-382-A)
14) Power code (J-6082-223-A)

Connect the adjustment remote commander to the LANC jack,
and set the HOLD switch to the “ADJ” side.

15) AFM DEV jig (J-6082-312-A)
16) IR receiver jig (J-6082-383-A)
17) Extension cable (70P, 0.5mm)

For extension between the DD-117 board (CN931) and the VC-
214 board (CN914) (J-6082-439-A)