LG 42LG50 Service Manual page 28

+12.0V
Q901
SI4925BDY
TP9001 S1 1 8 D1_2 TP9004
C917
1uF G1 2 7 D1_1
TP9002
25V
S2 3 6 D2_2
TP9003
4:N6 GND
C G2 4 5 D2_1
B Q902
2SC3875S
R900 TP9000
1K E
LVDS_PANEL_CTRL
GND
1 : E 5 LVDS_TX_OUT_PINPORT_TB4+_TO_TXA0-
1 : E 4 LVDS_TX_OUT_PINPORT_TB3+_TO_TXA1-
1 : E 4 LVDS_TX_OUT_PINPORT_TB1+_TO_TXA2-
L V D S d a t a f o r m a t s e l
1 : E 5 LVDS_TX_OUT_PINPORT_TBC+_TO_TXAC-
HD: PIN9 / FHD: PIN7 +3.3V
1 : E 4 LVDS_TX_OUT_PINPORT_TB2+_TO_TXA3-
Low: VESA
High: JEIDA
R2932-*1 R2932 1 : E 4 LVDS_TX_OUT_PINPORT_TB0+_TO_TXA4-
300 4.7K
High(300)
26"AUO(HD)
M o d u l e S e l e c t i o n H i g h _ 3 0 0 M o d u l e S e l e c t i o n H i g h _ 4 . 7 K
32"CMO(HD)
42"AUO(HD) M o d u l e S e l e c t i o n L o w
1 : E 4 LVDS_TX_OUT_PINPORT_TA4+_TO_TXB0-
High(4.7K)
R922
37"LPL(HD) LVDS_TX_OUT_PINPORT_TA3+_TO_TXB1-
1K 1 : E 4
37"LPL(FHD)
42"AUO(FHD)
1 : E 4 LVDS_TX_OUT_PINPORT_TA1+_TO_TXB2-
47"CMO(FHD) GND
52"Sharp(FHD)
1 : E 5 LVDS_TX_OUT_PINPORT_TAC+_TO_TXBC-
1 : E 4 LVDS_TX_OUT_PINPORT_TA2+_TO_TXB3-
1 : E 3 LVDS_TX_OUT_PINPORT_TA0+_TO_TXB4-
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
L910
UBW2012-121F TP9005
READY
C918 C922
1uF 47uF P901 P902
16V 16V
SMW200-40C SMW200-26C
FHD HD
GND
TP9006 1 1 2 2
R2905 0 +3.3V
TP9007 3 3 4 4
R2906 0
5 5 6 6
R9906
4.7K
7 7 8 8
S_Only_32CMO(HD)
GND
TP9008 9 9 10 10 TP9013 GND
R2907 0
11 11 12 12
LVDS_TX_OUT_PINPORT_TB4-_TO_TXA0+ 1 : E 5
R2908 0 R2921 0
13 13 14 14
1 : E 4
R2909 0 R2922 0 LVDS_TX_OUT_PINPORT_TB3-_TO_TXA1+
15 15 16 16
R2910 0 R2923 0 LVDS_TX_OUT_PINPORT_TB1-_TO_TXA2+ 1 : E 4
17 17 18 18
LVDS_TX_OUT_PINPORT_TBC-_TO_TXAC+ 1 : E 5 +3.3V
19 19 20 20
LVDS_TX_OUT_PINPORT_TB2-_TO_TXA3+ 1 : E 4
R2911 0 R2924 0
21 21 22 22
LVDS_TX_OUT_PINPORT_TB0-_TO_TXA4+ 1 : E 4
R2912 0 R2925 0
FHD TP9009 23 23 24 24 TP9012 FHD
R2913 22
TP9010 R2926 22
25 25 26 26
27 28
1 : E 4
R2914 FHD 0 R2927 FHD 0 LVDS_TX_OUT_PINPORT_TA4-_TO_TXB0+
29 30
R2915 0 R2928 0 LVDS_TX_OUT_PINPORT_TA3-_TO_TXB1+ 1 : E 4
FHD FHD
31 32
LVDS_TX_OUT_PINPORT_TA1-_TO_TXB2+ 1 : E 3 GND
R2916 FHD 0 R2929 FHD 0
33 34
LVDS_TX_OUT_PINPORT_TAC-TO_TXBC+ 1 : E 5
35 36
LVDS_TX_OUT_PINPORT_TA2-_TO_TXB3+ 1 : E 4
R2917 0 R2930 0
FHD 37 38 FHD
LVDS_TX_OUT_PINPORT_TA0-_TO_TXB4+ 1 : E 3
R2918 0 R2931 0
FHD TP9011 FHD
39 40
R2919 0
READY
GND
R9907
FRC Select
4.7K
HD:PIN30 / FHD:PIN27
S_only_37LPL(FHD)
Low: FRC OFF
TP9014
High: FRC ON
High
R9908 37LPL(FHD) ONLY
0
S_Common_without_37LPL(FHD)
LGE Internal Use Only