Video Troubleshooting - LG 42LB4D Troubleshooting Manual

Video Trouble Shooting Video Trouble Shooting
Cable
AT/NT
Air
M_SIF
AV1
AV2
COMP2
3:1
Demux
RGB
3:1
HDMI1/2/3
Demux
SPDIF
SIF
AV1 / L/R
AV2 / L/R
COMP1 L/R
COMP2 L/R
RGB L/R
MNT Out L/R
Inactive IC when in
Standby Mode
Active IC when in
Standby mode
LCD TV - 2007
VSB
TP_IN1
LGDT3303
CVBS(NT Main)
AV1, Y/C1
AV2, Y/C2
RGB
MST3361
1HDMI + HDMI SPDIF
1ADC
SPDIF
CS8416
I2S
I2S
MSP4450K
TP
Video
Audio
Stand-By Mode IC Operation Block Diagram
24C512
Flash
(NOR 32MB)
DDR2
64MBx2
Latchx2
Flex Bus
Video
Scaler
Analog
0
Front
USB 1.1
End
USB 1.1
ATI
X260
ATI
MPEG decoder I2C Port0
X260
SPDIF
Video
Scaler
I2S
1 or 2
I2S
TP
TPB PCI I2S
A
MTV415
24C16
Micom
DDR1
120Hz
16MB
RGB odd
FRC94xyH
RGB even
63LVD1023
RGB 30bit
Opt.
USB (upgrade ready!!)
USB(EMF)
I2C CH1
I2C CH2
I2C CH3
I2S
GPIO
1080P
LVDS
Dual Con.
NTP3000