PG-C45X. Version 1.5 - Sharp Projector Handy Guide. Page 42

42

No.

Adjustment Items

Adjustment Conditions

Adjustment Procedures

20

Checking colour related
performance

1. Receive the colour bar signal.

1. Select L1 in the process mode.
Check the performance of colour and tint.

21

Checking of picture-related
performance

1. Receive the monoscope pattern
signal.

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

22

Checking of RGB
performance

1. Receive the RGB signal.

1. Select L4 on the process mode.
Check Picture, Brightness, Red, Blue,
Clock, Phase, H-POS and V-POS.

23

Checking of off timer
performance

1. Select OFF in the process mode.
Make sure that the off-timer starts with 5-
minute display, counts down
1 minute for 1 second, and turns off when 0
minute is displayed.

24

Checking of thermistor
performance

1. Heat the thermistor with a hair
dryer.

1. Make sure the temperature is displayed.

25

Automatic sync
operation

1. Receive the phase checking
pattern signal.

1. Make sure that Clock, Phase, H-POS and
V-POS can be automatically adjusted in the
VGA/S-VGA/XGA mode.

26

Checking of USB
performance

1. Using the USB cable, connect the
set to a personal computer.

1. Using the remote controller, make sure
that feed and return operations are effective
on the screen of the personal computer.

27

Factory settings

1. Make the following settings.
Destination / Process adjustment /
Remote controller settings
North-American models: S4 "Factory Setting
4"
Domestic models: S5 "Factory Setting 5"
Other models: North-America: S3 "Factory
Setting 3"

How to Adjust the PC I/F unit
1. Initialisation of EEPROM

1) Press SW2601 to enter the process mode.
2) Execute S1 on the SSS menu. (By S1, the PC board alone is initialized. Do not
execute S2, or all the adjustment data, except for the PC I/F unit, is initialized.)
3) Make sure that the program version "VER. XXX" on the SPECIAL menu is the
latest one.

2. Level adjustments

2-1. Setting the oscilloscope
Set the oscilloscope's range to DC1V/div and 5µ S/div.
2-2. Connecting the PC interface
1) Connect the specified cable between ANALOG OUTPUT (on the signal generator)
and DSUB connector (INPUT1 on the projector).
2) Set the projector's input selector to INPUT1.
3) Set the signal generator to XGA mode (1024x768, 60Hz, 32-step gradation). Also
adjust the output amplitude (between black and white) to 700 mVp-p (terminated with
a 75-ohm impedance).
4) Turn on the power.
2-3. Adjusting items
1) Adjustment of RGB drive/gain
(1) Feed the window pattern signal that has 100% and 0% signals.
(2) Select AUTO among the A/D items in the process mode and make the
adjustments.