Sharp Notevision XG-C50X, Service Manual

Page: 24 / 149

24
XG-C50X
19 Checking and
readjustment of
white balance 1. The adjusting conditions for each
item are as follows:
For RGB input, see Item 7.
For video input, see Item 13.
For COMPO input, see Item 16.
No. Adjustment Items Adjustment Conditions Adjustment Procedures
1. Make sure the white balance is as
specified on the standard monitor.
For readjustment, proceed in the or-
der of RGB input, video input and
COMPO input.
20 Checking color-
related perfor-
mance 1. Receive the color bar signal. 1. Select L1 in the process mode.
Check the performance of color and
tint.
21 Checking of
picture-related
performance 1. Receive the monoscope pattern sig-
nal.
1. Select L2 in the process mode.
Check Picture, Brightness and Sharp-
ness.
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 perfor-
mance 1. Heat the thermistor with a hair dryer. 1. Make sure the temperature is dis-
played.
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 Set-
ting 5"
Other models: North-America: S3
"Factory Setting 3"