XOCECO LC17H3S, Руководство по обслуживанию

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5
generator)
a) Assembly complete set;
b) Enter factory menu, realize “PW1306 reset”, adjust background brightness to be
maximum;
c) Quit factory menu, enter D_SUB channel, input 60 HZ “pane
signal”(C_Hat_16x12(W)),to VGA terminal. Thus the discrimination rate should be the
best discrimination rate for the LCD screen, see table 1, enter user menu, adjust
brightness to 50, contrast to 50 adjust line center, field and center to make the picture
location to be correct.
d) Input “16 grades of grey degree” signal (Gray(H)-16), enter factory menu, realize
AQC calibration”
e) Quit factory menu, input “8 grey degree” signal ( Gray(H)-8 ), enter user menu,
adjust brightness and contrast, measure sixth degree with CA-210, make Y to 180
cd/m
2
, enter factory menu, ,fix green to be 50,adjust red, blue to make
x=284,y=299.(This procedure may not be taken now)
f) Enter AV mode, input “8 grey degree” signal, adjust tint to 0, adjust brightness and
contrast, measure sixth degree with CA-210, make Y to 180 cd/m
2
, enter factory
menu, ,fix green to be 50,adjust red, blue to make x=284,y=299.
Notice: For the best discrimination rate of LCD screen, see table 1.
Table 1:LCD resolution of best
Screen size Factory
LCD resolution of best
Samsung
AU
Sanyo
15”
CPT
1024x768
Samsung
17”
AU
1280x1024
AU 800x600
Chimei
20”
LG
640x480
3. Functional Inspection
3.1. ITV connector
Connect central signal source to RF connector. Enter the search menu--auto
search, check if there is station skipping. Check semi-auto search, see if micro
adjustment is normal, check output of earphone and speaker is normal, picture is
normal.
3.2 SCART/AV/S inut termianl
Separately input signal of SCART/AV/S terminal, check picture and sound if they
are normal.
3.3 AUDIO OUT termianl/ VIDEO OUT terminal