Sanyo LCD-22XR9DZ, Service Manual

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adjust
R
gun value upwards , then coordinate of
X
will rise;
adjust
R
gun value downwards , then coordinate of
X
will descent;
adjust
G
gun will effect the coordinate of
Y
and the value of
Lv
a lot:
adjust
G
gun value upwards , then coordinate of
Y
will rise;
adjust
G
gun value downwards , then coordinate of
Y
will descent;
note: default color temperature for
SANYO
customer is
Normal
; change to picture mode
Dynamic
, adjust chromaticity coordinates of color temperature
Normal
and
Cool
;
only adjust chromaticity coordinates of color temperature
Cool
for other customers when
picture mode is
Dynamic
.
3 Performance check
3.1
TV
functions
Connect
RF
port to central signal source, first enter into menu
Channel
, then search programs
automatically, check if there is any omitted program of
ATV
、
DTV,
check if the output of speakers
is normal, check if the picture is normal.
3.2
AV IN/OUT
function
Input
AV
signal to
AV IN
port, check if the picture, the sound and other functions are normal;
Switch to
TV
or
AV
channel, connect
AV OUT
port to another TV set, check if the picture, the
sound and other functions of
AV OUT
channel are normal.
3.3
SCART
port
Input signal to
SCART
port, check if the picture, the sound and other functions are normal;
Switch to
TV
channel, check if the picture, the sound and other functions of
SCART OUT
channel are normal.
3.4
Component
port
Input
Component
signal from signal generator
VG-848
with the formats as
Table 2
respectively,
check if the display and the sound are normal under the circumstances of power-on/off,
switching channel, switching signal format, etc.
Table 2
Component receiving signal formats
No. Definition
Horizontal
frequency
（
kHz
）
Vertical frequenvy
（
Hz
）
Dot-pulse
frequency
（
MHz
）
Remark
1 720×480 15.734 60 13.5 480i (NTSC)
2 720×480 15.734 59.94 13.5 480i (NTSC)
3 720×576 15.625 50 13.5 576i (PAL)
4 720×480 31.469 60 27
480p (NTSC
PROG)
5 720×480 31.469 59.94 27
480p (NTSC
PROG)
6 720×576 31.25 50 27 576p (PAL PROG)
7 1280×720 45 59.94 74.18 720p (59p)
8 1280×720 45 60 74.25 720p (60p)
9 1280×720 37.5 50 74.25 720p (50p)
10 1920×1080 33.75 59.94 74.25 1080i (59i)