LG 50PG60 Series, Service Manual

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Copyright©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
BLOCK DIAGRAM
Signal path for CVBS, Component, RGB
Comp1_Y
H Sync
V Sync
BCM3552/3
Comp1_Pb
Comp1_Pr
Component 1
Input
Component 2
Input
RGB Input
RGB H_Sync
Side AV
CVBS
Rear AV
Rear S_Video
Y/C
CVBS
CVBS 2
L1/C1
CVBS 3
L2/C2
ANT/ Cable
TUNER
IF_P
IF_N
IF_P from TUNER for DTV
IF_N from TUNER for DTV
CVBS 1
EEPROM FOR EDID
DDC SDA DDC SCL
RGB V_Sync
LVDS_Tx
Out
Component_1 S/W Component_2 S/W
Rear_CVBS_ S/W
RGB S/W
GPIO[0:6]
Comp2_Y
Comp2_Pb
Comp2_Pr
RGB_G RGB_B RGB_R
DDC SCL to
Micom
for Download
LPF 6
Mhz
LPF 30Mhz LPF 30Mhz LPF 30Mhz LPF 30Mhz LPF 30Mhz
LPF 30Mhz
LPF 6
Mhz
LPF 6
Mhz
DDC SDA to
Micom
for Download
DVO Out[0:29]
Rear_S-Video_ S/W
Side_CVBS_ S/W
LVDS
Con.
26P(HD)
40P(FHD)
LVDS
Con.