DAYTEK LC1508NT, Руководство по обслуживанию, Страница: 5 / 17

4.5 White calibration adjustment
1 Receive black or white signal under AV or PC mode, adjusting brightness and contrast to set
the brightness to 15Nit in dark area and 90 Nit in bright area.
2 Adjust white balance.Press
“
MENU
”
button once, then press
“
PRE.CH
”
five times to enter
factory menu, select
“
Temp
”
Menu,
Adjust Red 0-100
Green 0-100
Blue 0-100
3 Adjusting chromaticity coordinates of black and white to fit the requirement (X=0.285,
Y=0.293), or plug automatic calibration system to adjust white calibration automatically.
BLOCK DIAGRAM
N401
MAIN IC
TDA15001H
T102
M9352
T101
M3953
N100
Tuner
AGC
SIF
VIF
CVBS,S-Video
Audio L,R
KEY B1
、
B0
IR
PWRON
DDC/HWI2C
BKLON
VCC-5Ua
VCC-3.3VUSB
VCC+1.8a
VCC+1.8b
Audio
N201
TDA1517
Audio 2
L,R
3.3V Supply
2.5V Supply
VGA
Audio IN
port
Y
Pb
Pr
N303
PI5V330
UOC_R,G,B
YUVHs
YUVVs
M_Rst
M_CLK
M_SDA
M_CS
N501
MST518
Y_G
Pb_B
Pr_R
Port
VG
A
DDC/HWI2C
LCD
PANEL
N301
PI5V330
N302
24LC21
To N401
SDA
SCL
VGA-DAT
VGA-CLK
+12V
Supply
Earphone
speaker
LED R,G
+12V
Supply
AU2IN_L,R
AU3IN_L,R
AMP_L
AMP_R
VGA_R,G,B
VGA_Hs,Vs
VCC-PAN
Y,Pb/Cb,Pr/Cr
(Only for KLC-1521US)
Signal Block Diagram
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