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36

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

11

RGB countervoltage
adjustment

1. Feed the black-and-red (25%)
stripe signal (XGA).
2. Make the following choice:
Group : OUTPUT 3
Subject : RC (R)
and
Group : OUTPUT 3
Subject : RC-INV (R)

• 

Using the control switches or the
remote controller buttons, adjust the
data in order to minimise the flicker.

• 

Make the same adjustment for BC (B),
GC (G), RC-INV (B) and RC-INV (G).

• 

See if the image is equally adjusted at
the centre and both sides of the screen.
If not, readjust the setting to have the
image equal at right and left.

12

RGB gradation
regeneration adjustment

1. Feed the green-only SMPTE
pattern signal (XGA).
Group : OUTPUT 1
Subject : G1-BLK

Adjust the G-BLK data until the gradation of
the portion 1 (95% and 100% white) shown
below can be slightly recognised. Make sure
also that the gradation of the portion 2 (0%
and 5% black) is visible.

13

RGB white balance

1. Feed the 32-step grey scale signal
(XGA).
Group : OUTPUT 1
Subject : R1-BLK (R)
B1-BLK (B)

Choose the subjects R1-BLK and B1-BLK
and adjust the black balance of the
gradation.

14

Horizontal centre

1. Feed the NTSC monoscope pattern
signal.
2. Group : VIDEO 2
Subject : N358-DLY (4)
N443-DLY (0)
PAL-DLY (3)
SECAM-DLY (0)
Make sure the settings are as above.
3. Group : VIDEO 1
Subject : NTSC-H

Using the control switches or the remote
controller buttons, adjust the data to have
the same overscan.

15

Video picture adjustment

1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : PICTURE
2. Connect the oscilloscope between
pin (2) of P801 and GND.

Using the control switches or the remote
controller buttons, adjust the black-to-white
(100%) level difference to 2.0 ±0.02 Vp-p.

16

Video brightness
adjustment

1. Feed the baseband (split colour
bar) signal. (The ONAIR signal is not
accepted because of its too much
noise.)
Group : VIDEO 2

Using the control switches or the remote
controller buttons, adjust the setting until the
black signal becomes bit-less.

37

Subject : VROS/VGOS/VBOS
2. Press the control switch or the
remote control’s mute button (to set
the gamma correction to the process
setting).

38

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

17

Video AGC

1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : AGC

Using the control switches or the remote
controller buttons, adjust the setting until the
white signal becomes bit-less.

18

Tint

1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : TINT
2. Connect the oscilloscope to pin (4)
of P801.

Using the control switches or the remote
controller buttons, adjust the data to have
the -(B-Y) waveform downhill straight.

After adjusting, adjust the value of TINT up 3
point.

19

NTSC colour saturation
level

1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : N-COLOR
2. Connect the oscilloscope to pin (1)
of P801.

Using the control switches or the remote
controller buttons, adjust the difference
between the 100% white portion and the red
portion to 0.00 ±0.05 Vp-p. (same as 100%
white)

20

PAL colour saturation level

1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : P-COLOR
2. Connect the oscilloscope to pin (1)
of P801.

Using the control switches or the remote
controller buttons, adjust the difference
between the 100% white portion and the red
portion to 0.00 ±0.05 Vp-p. (same as 100%
white)

21

SECAM colour saturation
level

1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : S-COLOR
2. Connect the oscilloscope to pin (1)
of P801.

Using the control switches or the remote
controller buttons, adjust the difference
between the 100% white portion and the red
portion to 0.00 ±0.05 Vp-p. (same as 100%
white)

39

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

22

Video input panel signal
amplitude adjustment

1. Feed the NTSC 10-step signal.
2. Select the following group and
subject.
Group: VIDEO2
Subject: R1-GAIN
B1-GAIN
3. Connect the oscilloscope to
TP1101 (R) and TP1201 (G).
4. For the blue colour, connect the
oscilloscope to TP1301 (B) and
TP1201
(G).

• 

Select R1-GAIN and adjust the setting
so that the R and G signals have the
same amplitude.

• 

For the blue colour, adjust the setting
the same way.

23

Video white balance

1. Feed the NTSC monoscope pattern
signal
Group : VIDEO 2
Subject : R1-BLK
B1-BLK

Using the control switches or the remote
controller buttons, adjust so that the entire
screen looks evenly colourless.

24

DTV white balance

1. Feed the monoscope pattern
signal.
2. Group: DTV
Subject: CR-OFFSET
CB-OFFSET

Using the control switches or the remote
controller buttons, adjust so that the entire
screen looks evenly colourless.

25

Set-up

1. Group: VIDEO1
Subject: SET UP B
SET UP C

Make sure the settings are 11 for SET UP B
and 2 for SET UP C.

26

Automatic colour correction

1. Using the colour correction system
(ccdc), apply automatic colour
correction.

Make sure there is no noticeable colour
irregularity left on the screen.

27

Colour system performance
check

1. Receive the colour bar signal.

In the process mode and select L1. Check
the colour and tint.

28

Video system performance
check

1. Receive the monoscope pattern
signal.

In the process mode and select L2. Check
the picture, brightness and sharpness.

29

Audio system performance
check

In the process mode nad select L3. Check
the bass, treble.

30

RGB performance check

1. Receive the RGB signal.

In the process mode and select L4. Check
the picture, brightness, red, blue, clock,
phase, horizontal position, and vertical
position.

31

Off-timer performance
check

In the process mode and select OFF. Make
sure that the off-timer starts with “5”
(minutes), counts down each minute in 1
second, and turns off the set at “0”.

32

Thermistor performance
check

1. Heat the thermistor using a dryer.

Make sure the “TEMP” is displayed.

33

Automatic synchronisation

1. Receive the PHASE check pattern
signal.

Call the VGA/SVGA/XGA/SXGA mode and
make sure that the clock, phase, horizontal
and vertical positions can be automatically
adjusted.

34

Keystone correction
performance check

Make sure the keystone correction functions
well.

35

Factory settings

Make the following settings.