Read LG 55LS675H (CHASSIS:LA2AG) Service Manual online
THERMAL
THERMAL
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.
C1008
220pF
+3.5V_ST
RS232_TX
010:N20
R1014
100
R1017
100
R1003
0
D1000
SDC15
SDC15
A1
C
A2
UART3_TX
010:E20;022:N15;022:Y25;022:AC7
R1029
100
TP1000
UART3_TX
010:E27;022:N15;022:Y25;022:AC7
C1007
220pF
220pF
R1006
0
R1010
0
+3.5V_ST
R1011
0
+3.5V_ST
C1000
0.1uF
0.1uF
P1000
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
C1005
0.33uF
R1009
100
R1019
100
RESET_high
022:H27
R1025
10K
PTC_TX_S7 001:AB18;001:AM23
PTC_RX_S7_3.3V 001:AB19;001:AL24
PTC_TX
022:X9
TP1001
R1023
1K
Update_SW
022:F22
S7_TX
001:AB18;001:AL24
R1000
47K
R1015
100
R1026
10K
R1020
100
PTC_RX_5V
022:U7
UART_SWB
022:AA21
C1001
0.1uF
0.1uF
UART3_RX
010:N19;022:N14;022:Y25;022:AC8
+3.5V_ST
UART3_RX 010:J25;022:N14;022:Y25;022:AC8
R1001
0
R1008
100
RS232_RX
010:N20
R1002
0
UART_SWA
022:AA21
R1005
0
R1021
10K
10K
JP1002
+3.5V_ST
C1003
0.047uF
0.047uF
S7_RX
001:AB18;001:AL23
R1018
100
R1007
47K
R1012
100
C1006
0.1uF
0.1uF
JP1001
R1013
100
RS232_RX
010:W22
R1027
0
JP1000
D1001
SDC15
SDC15
A1
C
A2
EXT_PTC_UPDATE
001:AG6
R1024
1K
RS232_TX 010:W22
C1002
0.33uF
IC1002
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
C1004
0.33uF
R1022
10K
10K
EXT_PTC_RESET
001:AG6
R1004
0
R1016
100
+3.5V_ST
R1030
100
R1028
100
IC1000
HEF4053B
3
Y1C
2
Y0B
4
ZC
1
Y1B
6
E
5
Y0C
7
VEE
8
VSS
9
SC
10
SB
11
SA
12
Y0A
13
Y1A
14
ZA
15
ZB
16
VDD
IC1001
HEF4053B
3
Y1C
2
Y0B
4
ZC
1
Y1B
6
E
5
Y0C
7
VEE
8
VSS
9
SC
10
SB
11
SA
12
Y0A
13
Y1A
14
ZA
15
ZB
16
VDD
Q1000
MMBT3904(NXP)
E
B
C
Q1001
MMBT3904(NXP)
E
B
C
IR_OUT
+3.5V_ST
EXT_12V
EXT_5V
L1000
OPT
L1002
OPT
L1001
OPT
D1003
50V
BAP70-02
R1031
1K
R1044
1K
1K
OPT
R1037
20K
1/16W
1%
1/16W
1%
OPT
C1014
0.1uF
50V
0.1uF
50V
OPT
R1032
18K
OPT
C1022
470pF
50V
470pF
50V
OPT
L1004
CB3216PA501E
OPT
+24V
C1011
22uF
25V
22uF
25V
OPT
C1009
150pF
50V
150pF
50V
OPT
R1033
150K
150K
OPT
D1002
MBRA340T3G
OPT
L1003
22UH
22UH
OPT
R1034
100K
100K
OPT
EXT12V_CTRL
L1007
CB3216PA501E
OPT
R1038
270K
270K
1/16W
1%
1%
OPT
+12V/EXT
C1012
0.1uF
50V
OPT
C1013
3.3uF
50V
3.3uF
50V
OPT
IC1005
MP5000DQ
OPT
3
ENABLE/FAULT
2
DV/DT
4
I-LIMIT
1
GND
5
NC
6
SOURCE_1
7
SOURCE_2
8
SOURCE_3
9
SOURCE_4
10
SOURCE_5
11
VCC
R1035
200K
200K
1/8W
1%
1%
OPT
IC1003
MP4460DQ-LF-Z
OPT
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
11
EP_GND
+12V/EXT
C1010
0.1uF
50V
OPT
R1036
22
22
OPT
EXT_12V
C1023
0.1uF
50V
50V
OPT
C1021
22uF
16V
22uF
16V
OPT
C1020
22uF
16V
22uF
16V
OPT
L1005
3.6uH
3.6uH
NR8040T3R6N
OPT
C1018
0.1uF
0.1uF
50V
OPT
EXT_5V
IC1004
TPS54327DDAR
OPT
3
VREG5
2
VFB
4
SS
1
EN
5
GND
6
SW
7
VBST
8
VIN
9
[EP]GND
R1043
10K
10K
OPT
+12V/EXT
C1016
1uF
10V
1uF
10V
OPT
C1017
3300pF
50V
3300pF
50V
OPT
EXT5V_CTRL
C1019
10uF
25V
10uF
25V
OPT
C1015
100pF
OPT
L1006
BLM18PG121SN1D
OPT
R1040
56K
56K
1%
OPT
R1050
100
100
OPT
R1049
100K
100K
OPT
D1004
OPT
A2
C
A1
EXT_12V
R1046
200
OPT
IC1006
APX803D29
OPT
1
GND
3
VCC
2
RESET
R1048
2.4K
2.4K
OPT
R1047
1.2K
1/16W
1.2K
1/16W
OPT
C1024
0.1uF
16V
OPT
0.1uF
16V
OPT
EXT_5V
EXT_PWR_DET
R1039
20K
20K
1/16W
1%
1%
OPT
R1041
3K
3K
1%
OPT
R1042
10K
1%
OPT
R1045
51
51
OPT
20111008
37LT670H-UA
RS232C_9PIN
10
PTC OAD
SIMULATION
M-STAR DEBUG
1
0
SW_A
X
PTC DEBUG
X
0
X
SELECT PTC OR BCM DEBUG
COM/MON
X
0
Objective
SELECT PTC OAD OR NOT
0
1
X
1
RxD
RS232C
SW_B
PC_SIM
X
1
1
External +5V/+12V OUT & External power Detect
close to pin
$0.21
Switching noise reducing [MPS recommend]
close IC1800
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