Sanyo LED-24XR113D Service Manual page 9

i) Check if chromatic coordinates of COOL and WARM meet the requirements (permitted error
of COOL bright scale: x±10，y±10, permitted error of COOL dark scale: x±10，y±10;
permitted error of WARM bright scale and dark scale: x±10，y±10); if not, adjust "R_GAIN
/B_GAIN/R_OFF/B_OFF" to be up to the requirements and then save the data;
j) Perform "Copy All" for COOL /Warm adjustments except DTV channel;
k) Check if chromatic coordinates of other channels meet the requirements, if not, do
adjustment for nonstandard channel alone in accordance with the same procedures from b)
to j) as HDMI channel's and then save the data;
l) Switch to DTV channel, change to 16 step Gray program from central signal source, adjust
white balance in accordance with the same procedures from e) to g); but pay attention not
to perform "COPY ALL"!
m) Inspect all channels after completing adjustment to check if display is normal;
n) Refer to the following rule for adjustment:
B Gain/Offset: adjust B Gain/Offset downward, coordinates of X and Y will increase, adjust B
R Gain/Offset: adjust R Gain/Offset will affect X value, but affect Lv value slightly, adjust R
G Gain/Offset: adjust G Gain/Offset will affect Y value, and affect Lv value greatly, adjust G
Note: Sanyo customer requires that default color temperature is Normal, adjust white
balance of color temperature Normal and Cool in Dynamic picture mode; for other
customers, please adjust white balance of color temperature Cool in Dynamic picture mode.
5 Function check
5.1 TV functions
Input central signal to RF port, enter into menu Channel first, then search for programs
automatically and check if there is any omitted program; check the speakers output and the picture
display.
5.2 AV port
Input AV signal with formats listed as Table 2 separately, check picture, sound and other functions;
Lines per
No.
frame
1 525
2 625
5.3 Component port
Input Component signal from VG-849 with formats listed as Table 3 separately, check picture and
sound in the case of power-on, switching channel, changing mode, etc.;
Gain/Offset upward, coordinates of X and Y will decrease;
Gain/Offset upward, coordinates of X will increase, adjust R Gain/Offset
downward, coordinates of X will decrease;
Gain/Offset upward, coordinates of Y will increase, adjust G Gain/Offset
downward, coordinates of Y will decrease;
Table 2 AV video signal formats
H.- Freq.（kHz）
15.734/15.75
15.625
V.- Freq.（Hz）
59.94/60
50
Note
NTSC, NTSC4.43,PAL60,PAL-M
PAL, PAL-N, SECAM