Read LG 50PJ350-SA (CHASSIS:PB02A) Service Manual 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.
DDC_SDA/UART_TX
PC_SER_CLK
+3.3V
22
R947
4.7K
R923
+3.3V
D913
AT24C02BN-10SU-1.8
IC901
250_350
3
2
4
1
5
6
7
8
0.1uF
16V
C927
10pF
C931
0.1uF
16V
C932
RS232C_RXD
10K
R938
220pF
50V
C905
READY
220pF 50V
C904
READY
0
R930
PC_LIN
+3.3V_ST
220pF
50V
C906
READY
18pF
50V
C918
0.1uF
50V
C909
4.7K
R924
4.7K
R900
12K
R935
10
K
R
9
1
1
0
R934
10pF
C924
READY
0.1uF
C922
10pF
C923
READY
SPG09-DB-010
P900
250_350
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
12K
R936
D900
4.7K
R914
READY
0.1uF
50V
C910
0
R929
4.7K
R909
READY
ADUC30S03010L_AMODIODE
30V
D902
+5V_ST
+3.3V_ST
RS232C_TXD
DSUB_R-
IR
PC_RIN
DSUB_B-
D
9
0
4
LED_WHITE
1K
R917
1
0
0
R
90
5
10pF
C933
DDC_SCL/UART_RX
10K
R933
ADUC30S03010L_AMODIODE
30V
D903
10
R902
0.1uF
50V
C911
30V
READY
D909
DSUB_DET
S
P
G
09
-D
B
-0
09
P
9
0
1
1
2
3
4
5
6
7
8
9
1
0
10K
R931
4.7K
R901
MAX3232CDR
IC900
3
-
1
C
2
+
V
4
+2
C
1
+1
C
6
-
V
5
-
2
C
7
2T
U
O
D
8
2
NI
R
9
2T
U
O
R
0
1
2
NI
D
1
1
1
NI
D
2
1
1T
U
O
R
3
1
1
NI
R
4
1
1T
U
O
D
5
1
D
N
G
6
1
C
C
V
10pF
C925
DSUB_HSYNC
PC_SER_DATA
10
R903
GND
D
9
0
8
4.7K
R937
10K
R941
10pF
C926
D901
KEY1
220pF
50V
C908
READY
DDC_SDA/UART_TX
DDC_SCL/UART_RX
5.6V
D911
0.1uF
16V
C900
0
R932
22
R946
DSUB_G
+3.3V_ST
0.1uF
16V
C914
READY
0.1uF
50V
C902
RGB_DDC_SDA
KEY2
470K
R926
4.7K
R939
D
9
0
7
DSUB_B
RGB_DDC_SCL
470K
R927
22
R945
270pF
50V
C901
READY
LED_RED
DSUB_G-
10pF
C930
D
9
0
5
DSUB_R
220pF 50V
C903
READY
5.6V
D910
D
9
0
6
+3.3V_AVDD
DSUB_VSYNC
100
R904
0.1uF
50V
C907
18pF
50V
C919
L902
L904
820pF
50V
C921
820pF
50V
C920
4.7K
R910
MLB-201209-0120P-N2
L907
MLB-201209-0120P-N2
L901
MLB-201209-0120P-N2
L900
MLB-201209-0120P-N2
L906
MLB-201209-0120P-N2
L903
100K
R
EA
D
Y
R920
2SC3052
READY
Q900
E
B
C
100K
R
EA
D
Y
R919
W0
1/
1
10
K
%5
R
EA
D
Y
R
91
8
IR
RXB4+
RXB1+
RXBCK+
RXB2-
RXB4-
RXB1-
RXB2+
RXB3+
RXB0+
RXB3-
RXB0-
RXBCK-
PC_SER_DATA
DISP_EN
MOD_ROM_TX
22
R962
HD
27K
R960
MOD_ROM_RX
22
R961
HD
100
R949
HD
PC_SER_CLK
75
R906
75
R908
75
R907
10pF
50V
C916
10pF
50V
C917
SCL1
22
R959
0
R957
2N7002(F)
Q904
G
D
S
4.7K
R958
+3.3V
22
R954
2N7002(F)
Q903
G
D
S
SDA1
0
R952
+3.3V
4.7K
R953
4.7K
R956
4.7K
R951
+5V_ST
EDID_WP
18K
R912
+3.3V_ST
30V
D914
PJ230
PC_SER_CLK
PC_SER_DATA
30V
D915
PJ230
0
R998
PJ230
0
R999
PJ230
12507WS-12L
P902
1
2
3
4
5
6
7
8
9
10
11
12
13
PEJ027-01
JK900
250_350
6B T_TERMINAL2
7B B_TERMINAL2
5 T_SPRING
4 R_SPRING
7A B_TERMINAL1
6A T_TERMINAL1
3 E_SPRING
+3.3V
3.3K
R963
3.3K
R964
+3.3V
RXB4-
MOD_ROM_RX
RXBCK+
RXA0-
RXB1+
RXB1-
RXB2-
RXA1+
PC_SER_CLK
SCL1_1
RXACK+
RXB0+
22
R970 FHD
RXACK-
RXA1-
RXB4+
SDA1_1
MOD_ROM_TX
RXB2+
22
R968 FHD
RXA4-
RXA4+
100
R969 FHD
RXBCK-
RXB3+
PC_SER_DATA
DISP_EN
RXA2-
RXA2+
RXB0-
RXB3-
RXA3+
RXA3-
RXA0+
TF05-51S
P904
FHD
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
SDA1_1
SCL1_1
L905
SMW200-26C
HD
P903
P903
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
26
SUB_SDA
SUB_SCL
0
READY
R973
0
R974
1K
R975
1K
R976
+3.3V_AVDD
22
R915
22
R916
12507WR-03L
PJ230
P906
P906
1
2
3
4
DDC_SCL/UART_RX
DDC_SDA/UART_TX
0
PJ230
R980
0
PJ230
R981
9 1 3
EAX61141601
LVDS/RS232//RGB
RGB
$0.179
ROM DOWNLOAD FOR PDP
PC AUDIO
SUB Board I/F
RS232C
HD LVDS
FHD LVDS
F o r 2 3 0 D e b u g g i n g
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