LG 42LB5800 Service Manual page 24

UART FOR DEBUG
SOC_RX
SOC_TX
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
UART_4PIN_STRAIGHT
+3.5V_ST P3800
12507WS-04L
1
2
3
4
5
AV/COMPONENT REAR
+3.3V_NORMAL
NON_Mold_AV
Mold_AV
PPJ245N2-01 PPJ245-01
R3806
JK3800-*1 JK3800
10K
[GN]E-LUG
7A
R3811
7A
[GN/YL]E-LUG 1K
[GN]C-SPRING
6A
6A
[GN/YL]O-SPRING
C3800
[GN]CONTACT
4A D3803
0.1uF
5.6V
4A 16V
[GN/YL]CONTACT
[BL]C-SPRING
5B COMP1_Pb AV_COMP_ESD
5B
[BL]O-SPRING +3.3V_NORMAL
[RD1]E-LUG-S
8C
8C
[RD1]E-LUG-S
R3810
[RD1]C-SPRING
6C COMP1_Pr 10K
6C [RD1]O-SPRING
[RD1]CONTACT
4C
4C
[RD1]CONTACT
[WH]C-SPRING
5D
COMP1/AV1/DVI_L_IN D3800
5D 5.6V
[WH]O-SPRING
AV_COMP_ESD
4E
D3801
4E [RD2]CONTACT [RD2]CONTACT 5.6V
6E AV_COMP_ESD
6E
[RD2]O-SPRING [RD2]C-SPRING
7E
7E
[RD2]E-LUG [RD2]E-LUG
COMP1/AV1/DVI_R_IN
D3802
5.6V
AV_COMP_ESD
Apply "AV_COMP_ESD" when your model's ESD Test is failed
DEBUG FOR INTERNAL AMOD.
OPT
R3801
0
DTV/MNT_V_OUT_SOC
R3800
75 For TU_Debug
1%
Disconnet R374
TU_DEBUG
COMP1_Y/AV1_CVBS
AV1_CVBS_DET
R3812
1K
COMP1_DET
JACK_COMMON 2011.11.21
38
LGE Internal Use Only