LG 55LF5950 Service Manual page 27

SPDIF OUT
+3.3V_NORMAL
R3401
2.7K
OPT
SPDIF_OUT
R3400
33
SOC_RX
SOC_TX
UART for Debug
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 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
RIN1
DOUT1
GND
VCC
VINPUT
C3400
0.1uF
16V
+3.4V_ST
P3400
12507WS-04L
OPT 1
R3402
10K
2
OPT
R3416
10K
3
4
5
NON Shield_COMP
JK3401-*1
PPJ245-31
[RD2]E-LUG
6E
[RD2]O-SPRING
5E
[RD2]CONTACT
4E
[WH]O-SPRING
5D
[RD1]CONTACT
4C
[RD1]O-SPRING
5C
[RD1]E-LUG-S
7C
[BL]O-SPRING
5B
[GN/YL]CONTACT
4A
[GN/YL]O-SPRING
5A
[GN/YL]E-LUG
6A
HP OUT
RIN1
TP3400
DOUT1
TP3401
R3403
EXT_HP_OUT 0
HP_ROUT
R3404
0
EXT_HP_OUT
HP_LOUT
R3405
100
HP_OUT
HP_DET
INT_HP_OUT INT_HP_OUT
R3403-*1 R3404-*1
5.1 5.1
HP_OUT
VA3408
5.6V
Internal HP OUT
HP_ROUT
HP_LOUT
AV/COMPONENT REAR
Shield_COMP
PPJ245N2-01
JK3401
6A [ GN/YL]E-LUG
5A [GN/YL]O-SPRING
4A [GN/YL]CONTACT
5B
[BL]O-SPRING
7C
[RD1]E-LUG-S
5C
[RD1]O-SPRING
4C
[RD1]CONTACT
5D
[WH]O-SPRING
4E
[RD2]CONTACT
5E
[RD2]O-SPRING
6E
[RD2]E-LUG
HP_JACK
JK3402
+3.3V_NORMAL
PEJ034-01
E_SPRING
3
R3406
10K
HP_OUT
R_SPRING
4
T_SPRING
5
B_TERMINAL2
7B
T_TERMINAL2
6B
VA3400
5.6V
HP_OUT
HP_OUT
VA3409
5.6V
R3414
0
INT_HP_AMP
HP_ROUT_SOC
R3415
0
INT_HP_AMP
HP_LOUT_SOC
Place JACK Side
R3409
0
VA3405 +3.3V_NORMAL
5.5V
R3407
10K
R3408
1K
AV1_CVBS_DET
VA3406
5.6V
COMP1_Pb +3.3V_NORMAL
VA3401
5.5V
R3410
10K
COMP1_Pr
R3411
VA3403
1K
5.5V
VA3407
COMP1/AV1/DVI_L_IN
5.6V
VA3402
5.6V
COMP1/AV1/DVI_R_IN
VA3404
5.6V
A5LR_Bring_Up
JACK
COMP1_Y/AV1
C3401
150pF
OPT
COMP1_DET
2014.11.01
34
LGE Internal Use Only