LG 42PJ350, Service Manual

Page: 32 / 35

F
i
b
e
r
O
p
t
i
c
U
S
B
D
O
W
N
S
T
R
E
A
M
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.
GND
COMP_Pr
COMP_LIN
COMP_DET
COMP_Pb
COMP_Y
R957
0
+3.3V_AVDD
COMP_RIN
GND
4.7pF
C910
READY
+3.3V_AVDD
SIDE_CVBS_DET
SIDE_CVBS_IN
SPDIF_OUT
D934
READY
C926
0.1uF
50V
JK904
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
+5V_GENERAL
SIDE_LIN
SIDE_RIN
P_+5V
USB_DP
USB_DM
REC_8
Q901
2SC3052
E
B
C
Q902
2SC3052
E
B
C
SC_RE2
P_17V
Q900
2SC3052
E
B
C
SC_RE1
SC1_CVBS_IN
SC1_FB
TV_ROUT
0
R915
TV_LOUT
SC1_ID
SC1_G
SC1_R
+3.3V_AVDD
C904
47pF
50V
SC1_B
R901
470K
R912
470K
C903
330pF
50V
C902
330pF
50V
C900
OPT
SC1_LIN
C901
OPT
R900
470K
C908
220pF
50V
READY
SC1_RIN
REC_8
C920
330pF
50V
DTV/MNT_LOUT
R927
470K
C922
47pF
50V
C924
220pF
50V
READY
R926
470K
0
R945
R929
470K
DTV/MNT_ROUT
DTV/MNT_VOUT
C919
330pF
50V
SC2_CVBS_IN
SC2_RIN
C915
OPT
SC2_ID
SC2_LIN
+3.3V_AVDD
C914
OPT
FE_VOUT
SC1_DET
SC2_DET
R951
470K
R950
470K
C916
47pF
50V
R
9
2
3
4
7
0
K
R
9
2
2
4
7
0
K
+5V_GENERAL
USB_CTL
USB_OCD
D935
KDS184
A2
C
A1
R980
470K
READY
R976
470K
READY
R978
470K
READY
R979
470K
READY
R981 330 READY
Q905
2SC3052
READY
E
B
C Q903
2SA1504S
E
B
C
R989
330
READY
C928
10uF
16V
P_17V
Q904
2SC3052
E
B
C
C907
100uF
16V
D908
5.6V
D907
5.6V
D900
5.6V
READY
D905
5.6V
READY
D926
5.6V
READY
D920
5.6V
READY
D927
5.6V
D928
5.6V
D913
D914
D922
D921
D911
D910
D909 30V
D912
D904
30V
READY
D903
30V
READY
D902
30V
READY
D901
30V
READY
D906
30V
READY
D915
30V
READY
D916
30V
READY
D917
30V
READY
D918
30V
READY
D919
30V
D929
30V
READY
D930
30V
READY
D931
30V
D932
5.6V
CDS3C05HDMI1
D933
5.6V
CDS3C05HDMI1
+3.3V_CI
R916
62K
R917
11K
R946
62K
R947
11K
C932
6800pF
50V
C929
6800pF
50V
C930
6800pF
50V
C931
6800pF
50V
TP1466
TP1467
L900
MLB-201209-0120P-N2
C933
0.1uF
50V
R969
3K
JK901
PPJ234-01
5A
[GN]O-SPRING
6A
[GN]E-LUG
4A
[GN]CONTACT
7B
[BL]E-LUG-S
5B
[BL]O-SPRING
7C
[RD]E-LUG-S
5C
[RD]O-SPRING_1
5D
[WH]O-SPRING
4E
[RD]CONTACT
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
IC900
AP2181SG-XX
DEV
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
IC901
NL17SZ00DFT2G
READY
3
GND
2
B
4
Y
1
A
5
VCC
R987
0
R997
0
R938
0
R905
0
R914
22
R902
75
R958 75
1%
R959
75
1%
R908
75
R907
75
R956
75
1%
R904
75
R913
75
R937
75
R939
75
R928
75
R903
75
R970
100
R998
100
READY
R990
470
R963 10K
R991 10K
R941
10K
R954
10K
R940
10K
R930
10K
R911
10K
R992 10K
R952 10K
R918
10K
R933
10K
R906
10K
R968
10K
R949
10K
R953
10K
R931
12K
R942
12K
R972
12K
R909
12K
R910
12K
R961
12K
R932
12K
R943
12K
R960
12K
R985
15K
R955
1K
R919
1K
R995
1K
R948
1K
R967
1K
R966
1K
R993
1K
R994
1K
R973
1K
R964
1K
READY
R996
1K
R965
4.7K
C909
0.1uF
16V
C923
0.1uF
16V
C927 0.1uF
C911
0.1uF
16V
C906
1000pF
50V
C905
1000pF
50V
C913
100pF
C912
100pF
JK902
PPJ235-01
NON_20TOOL
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]O-SPRING
3C
[RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
R988 120
R984
390
R982
47K
JK905
KJA-UB-4-0004
1
2
3
4
5
C934
470uF
16V
L901
R999 10K
IC902
NL17SZ08DFT2G
READY
3
2
4
1 5
AC_DET
R944 0
JK903
DEV
1 R_OUT
2 R_IN
3
L_OUT
4
GND
5 GND
6 L_IN
7 .
8 SC2_ID
9
.
10
.
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
23
SHIELD
22
AV_DET
JK900
DEV
1
R_OUT
2 R_IN
3 L_OUT
4
GND
5 GND
6 LIN
7 B
8 SC_ID
9 .
10 .
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
23
SHIELD
22
AV_DET
C921
47uF
25V
C917
47uF
25V
JACK 10 8
MSD3368EV Platform
Half SCART 2 Full SCART 1
Pr
Pb
R
COMPONENT
L
Y
SIDE CVBS
SPDIF OPTIC JACK
USB
[SCART2 PIN 8]
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only