DAYTEK LC2018NT Servicehandleiding - Pagina 5

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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
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.
Signal Block Diagram
N100
Tuner
+12V
Supply
AGC
Earphone
+12V
Supply
speaker
Audio 2
L,R
port
Y
Pb
VGA
Pr
Audio IN
Port
VG
A
(Only for KLC-1521US)
Red
Green
Blue

BLOCK DIAGRAM

CVBS,S-Video
Audio L,R
T101
VIF
M3953
T102
SIF
M9352
Audio
AMP_L
N201
AMP_R
TDA1517
AU2IN_L,R
AU3IN_L,R
UOC_R,G,B
Y,Pb/Cb,Pr/Cr
Y_G
Pb_B
Pr_R
VGA_R,G,B
VGA_Hs,Vs
N301
VGA-CLK
PI5V330
VGA-DAT
DDC/HWI2C
0-100
0-100
0-100
N401
MAIN IC
TDA15001H
N303
PI5V330
M_Rst
M_CLK
M_SDA
YUVHs
M_CS
YUVVs
N501
MST518
To N401
SCL
SDA
N302
24LC21
LED R,G
KEY B1、B0
IR
PWRON
DDC/HWI2C
BKLON
VCC-5Ua
VCC-3.3VUSB
VCC+1.8a
VCC+1.8b
VCC-PAN
LCD
PANEL
3.3V Supply
2.5V Supply