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No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

23

DVD white balance
checking

1. Feed the NTSC monoscope pattern
signal to the G (Y) input terminal on
the BNC socket.
2. Select the following group and
subjects.
Group : DVD
Subject : R1-BLK
B1-BLK

• 

Make sure the white balance is the
same as on the monitor screen.

• 

If not, adjust the setting so that the
white balance be the same as on the
monitor screen, using the set's control
switch or the remote controller's button.

24

Saw-tooth wave correction
(G), (R)

Make sure the lamp optical axis has
been already adjusted.
1. Feed the SXGA, 60-Hz grey-only
signal.
2. Check for uneven colour spot on
the screen.
3. Select the following group and
subject.
Group : NOKO
Subject : NOKO-G
Choose the subject NOKOR for the R
colour.

• 

When the green colour is found not
uneven, turn off the saw-tooth wave
correction with S4201.

• 

Select NOKO-G and adjust the setting
to minimise the colour unevenness at
right and left on the screen.

For the R colour, use S4202 to turn on or off
the wave correction.

25

White balance checking
and
readjustment

1. For the adjusting conditions, refer
back to Item Nos. 8, 19 and 24 for the
RGB, Video and DVD inputs,
respectively.
DTV input
1) Feed the 720P SMPTE (colour
difference) signal. If out of spec, take
the readjustment step below.
2) Select the following group and
subjects.
Group : DTV
Subject : CR-OFFSET
CB-OFFSET

Make sure the white balance is the same as
on the monitor screen. To obtain the
specified white balance, readjust the RGB,
Video and DVD inputs in this order.

26

Set-up

1. Select the following.
Group : VIDEO 1
Subject : SET UP B
SET UP C

Make sure the SET UP B and SET UP C
settings are 6 and 1, respectively.

27

Colour-related performance
checking

1. Feed the colour bar signal.

Select the process mode L1. Check the
Colour and Tint settings.

28

Video-related performance
checking

1. Feed the monoscope pattern
signal.

Select the process mode L2. Check the
Picture, Brightness and Sharpness settings.

29

Audio-related performance
checking

1. Feed the stereo audio signal.

Select the process mode L3. Check the
Bass, Treble and Balance settings.

30

RGB-related performance
checking

1. Feed the RGB signal.

Select the process mode L4. Check the
Picture, Brightness, Red, Blue, Clock,
Phase, H-Pos and V-Pos settings.

31

Off-timer performance
checking

Select the process mode OFF. Make sure
that the off-timer starts with "5" (minutes)
onscreen and counts down minute by minute
each second, and that the set turns itself off
with "0" (minutes) onscreen.

32

Thermistor performance
checking

Get the thermistor status list displayed
onscreen.

33

Auto sync performance
checking

1. Feed the phase check pattern
signal.

In the VGA, SVGA, XGA, SXGA and UXGA
modes, make sure the Clock, Phase, H-Pos
and V-Pos settings can be automatically
adjusted.

50

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

34

Lens performance checking

Using the set's control switch or the remote
controller, make sure the focus, zoom,
keystone and lens shift actions are as
specified.

35

Delivery settings

1. When the S4 delivery settings have
been made, the SET-UP signal is
acceptable.
If the process mode is called up
again, however, the SET-UP signal is
not automatically accepted. In such
case, select Group:
VIDEO1 and Subject: SET UP,
change the SET UP setting from 0 to
1, and exit from the process mode. Or
make the S4 delivery settings again.

Make the following settings.

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

1

Colour correction Rest

1. Make the following choice.
Group : NOKO
Subject : CC

Make the following setting.
Subject : CC
Setting : 0 (colour correction OFF)

2

Saw-tooth wave Correction
(G), (R)

1. Feed the grey only RGB colour
signal. (XGA 60Hz)
2. Check for uneven colour spot on
the screen.
3. Make the following choice.
Group : NOKO
Subject : NOKO-G
Choose the subject NOKOR for the R
Colour.

• 

If the colour is irregular, adjust the
setting NOKOG or NOKO-R to
minimise the right-hand and left-hand
colour irregularity.

• 

If there is no colour irregularity, turn off
the sawtooth correction using SW4201
(green) and SW4202 (red).

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1) Press S2601 to call the process mode.
2) Execute the S1 command on the SSS menu. (The S1 command is used to get the
PC boards initialised. Do not carry out the S2 command because otherwise all the
other adjustment data than on the PC boards would be initialised.)
3) Make sure the program version VER.XXX on the SPECIAL menu is the latest one.

1) Set the oscilloscope range to 1 Vdc/div. and 5 µs/div.

1) Connect the PC interface to the set and make sure the P404, P405 and P502
connectors are all tight in position.
2) Connect a cable between the ANALOG OUTPUT terminal (signal generator) and
the DSUB connector (projector's INPUT1).
3) Set the projector's INPUT SELECT to the INPUT1 position.
4) Set the signal generator to the SXGA mode (1280 x 1024, 60 Hz, 32 tones). Adjust
the output amplitude between the black and white levels to 700 mVp-p (terminated
with a 75-ohm impedance).
5) Turn on the power.

1) Press S2601 and call the process mode.
2) Adjust the SH-PHASE setting on the OUPUT3 menu to 8. (Make sure the
onscreen display characters appear crisp and clear.)
(Adjusting the A/D menu settings)
3) G-BRIGHT adjustment: Feed the black signal and adjust the G-BRIGHT setting on
the A/D menu until there are bit dropouts.
4) R-BRIGHT adjustment: Feed the black signal and adjust the R-BRIGHT setting on
the A/D menu until there are bit dropouts.
5) B-BRIGHT adjustment: Feed the black signal and adjust the B-BRIGHT setting on
the A/D menu until there are bit dropouts.
6) G-D adjustment: Feed the white signal and adjust the G-D setting on the A/D menu
until there are bit dropouts.
7) R-D adjustment: Feed the white signal and adjust the R-D setting on the A/D menu
until there are bit dropouts.
8) B-D adjustment: Feed the white signal and adjust the B-D setting on the A/D menu
until there are bit dropouts.

1) Feed the 480P Y signal to the INPUT1 terminal. Keep out the R (Pr) and B (Pb)
signals.
2) G-BRIGHT adjustment: Feed the black signal and adjust the G-BRIGHT setting on
the DTV menu until there are bit dropouts.
3) CR-OFFSET adjustment: Adjust the CR-OFFSET setting to 16.
4) CB-OFFSET adjustment: Adjust the CB-OFFSET setting to 16.
5) Press S2601 to exit from the process mode.

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