LG 42LC4D (CHASSIS:LA75C) Service Manual ▷ View online
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.
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.
LVDS_TX_OUT_TA0-
001:C4
100
READY
R947
KIA78R09F
PDP_FAN
IC902
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
100
LCD
R946
+5.0V
1uF
25V
C9003
LCD
LVDS_TX_OUT_TA0+
001:C4
100
PDP_FAN
R961
0
R982
PDP
SDA2_3.3V
100pF
50V
50V
C904
LCD
22
PDP
R953
SI4925BDY
Q901
LCD
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
LVDS_TX_OUT_TA1-
001:C4
100
PDP_FAN
R965
12K
READY
R978
10K
PDP_FAN
R975
0
R944
0
PDP
R954
SCL1_5V
0 0 1 : H 2 ; 0 0 5 : C 3 ; 0 0 6 : Z 2 6 ; 0 0 9 : D 2
2SC3875S
Q900
LCD
E
B
C
VBR_B_EXT
22
PDP
R952
GIL-G-03-S3T2
READY
P903
1
2
3
10K
PDP_FAN
R979
0
R943
OPT
READY
R958
LVDS_TX_OUT_TAC-
001:C4
LVDS_TX_OUT_TA4-
001:C5
0
R938
47uF
16V
16V
PDP_FAN
C913
LM75CIMX-3
PDP_FAN
IC903
3
OS
2
SCL
4
GND
1
SDA
5
A2
6
A1
7
A0
8
+VS
GND
0
R_USE_AI
R934
0
LCD
R950
MLB-201209-0120P-N2
PDP_FAN
L902
+12.0V
100
PDP_FAN
R962
0 . 1 u F
16V
16V
C912
PDP
0
PDP
R933
10K
PDP_FAN
R974
0 . 1 u F
16V
16V
C905
PDP
10
R906
R_USE_AI
0 . 1 u F
16V
16V
PDP_FAN
C916
JP901
GND
GND
FI-X30SSL-HF
P901
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
4.7K
PDP_FAN
R968
GIL-G-03-S3T2
PDP_FAN
P905
1
2
3
0
R936
LVDS_TX_OUT_TA2-
001:C4
100
PDP_FAN
R970
22uF
16V
16V
PDP_FAN
C915
JP906
KIA78R09F
IC901
PDP
1
VIN
2
VC
3
VOUT
4
NC
5
GND1
6
GND2
0
R_NON_AI
R983
10K
PDP_FAN
R967
OPT
READY
R957
1/16W
47K
5%
R901
LCD
0
R937
SCL1_5V
0 0 1 : H 2 ; 0 0 5 : C 3 ; 0 0 6 : Z 2 6 ; 0 0 9 : F 2
GND
0
R945
10K
PDP_FAN
R977
0
R_USE_AI
R935
VBR_B_HD
LVDS_TX_OUT_TA1+
001:C4
SDA1_5V
0 0 1 : H 2 ; 0 0 5 : C 3 ; 0 0 6 : Z 2 2 ; 0 0 9 : F 2
GND
LVDS_TX_OUT_TA3+
001:C4
100
PDP_FAN
R971
0
R939
100uF
16V
16V
C903
LCD
0 . 1 u F
16V
16V
PDP_FAN
C910
LVDS_PANEL_CTRL
004:H3
LVDS_TX_OUT_TAC+
001:C4
TP906
0
LCD
R951
JP905
JP900
AI_ON/OFF
0
PDP_FAN
R980
1/16W
47K
5%
R905
LCD
JP902
TP901
100
PDP_FAN
R964
47uF
16V
16V
PDP_FAN
C908
+12.0V
L901
LCD
LVDS_TX_OUT_TA4+
001:C5
LVDS_TX_OUT_TA2+
001:C4
LVDS_TX_OUT_TA3-
001:C4
47uF
16V
16V
C907
PDP
0
LCD
R949
GIL-G-03-S3T2
P904
PDP
1
2
3
0 . 1 u F
16V
16V
PDP_FAN
C911
1K
R900
LCD
100
PDP_FAN
R963
12K
PDP_FAN
R973
0 . 1 u F
16V
16V
PDP_FAN
C906
100
PDP_FAN
R966
SDA1_5V
0 0 1 : H 2 ; 0 0 5 : C 3 ; 0 0 6 : Z 2 2 ; 0 0 9 : D 2
M62320FP
PDP_FAN
IC900
3
SDA
2
SCL
4
D0
1
SO
6
D2
5
D1
7
D3
8
GND
9
D4
10
D5
11
D6
12
D7
13
VDD
14
CS2
15
CS1
16
CS0
4.7K
PDP_FAN
R969
+5.0V
JP903
0
PDP_FAN
R981
+3.3V
0
R942
SCL2_3.3V
0
R940
100
READY
R960
DISP_EN
0
LCD
R948
JP904
0
PDP
R932
0 . 4 7 u F
C901
LCD
0
R941
100
PDP_FAN
R959
47uF
25V
C914
PDP
+12.0V
12K
PDP_FAN
R976
TP903
22uF
16V
16V
PDP_FAN
C909
MLB-201209-0120P-N2
PDP_FAN
L903
TP900
30
PDP_1_FAN
R972
33
PDP_2_FAN
R972-*1
1K
R984
LPL
3.9K
R985
3.9K
R986
3.9K
R987
3.9K
R988
LVDS OUTPUT
F a n P a r t
ONLY FOR LCD
AUO Options
BCM3553
LVDS
Nov., 2007
P/NO : MFL39166203
Nov., 2007
P/NO : MFL39166203
Nov., 2007
P/NO : MFL39166203