Read LG 55LS675H (CHASSIS:LA2AG) Service Manual online
THERMAL
T
H
E
R
M
A
L
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.
SOC_RESET
R5033
100
MISO_1
C5000
10uF
25V
10uF
25V
L5004
SPI_CLOCK
020:N16
R5048
100
UART_SWB
010:O23
Update_SW
010:E19
R5024
4.7K
UART3_RX
R5134
100
B-LAN
+3.5V_ST_PTC
R5117
10K
B-LAN
DC_DC_EN
022:M8
R5148
100
B-LAN
FRAM_SCL_3.5V
R5142
4.7K
B-LAN
R5128
10K
R5136
10K
+3.5V_ST_PTC
R5019
10K
R5131
100
R5057
100
R5120
100
100
B-LAN
R5081
0
+3.5V_ST_PTC
R5129
100K
+12V_C
LD5000
SAM2333
OPT
A2[RD]
C
A1[GN]
R5075
330
OPT
+3.5V_ST
UART_SWA
010:O17
010:O17
R5077
0
LD5001
OPT
PTC_TX
010:E26
R5152
100K
R5076
330
OPT
R5143
0
B-LAN
R5146
100
B-LAN
R5139
0
0
B-LAN
ZD5003
OPT
R5092
330
R5030
4.7K
OPT
KEY2
006:B24
+3.5V_ST_PTC
IC5003
TXS0104EDR
B-LAN
3
A2
2
A1
4
A3
1
VCCA
6
NC_1
5
A4
7
GND
8
OE
9
NC_2
10
B4
11
B3
12
B2
13
B1
14
VCCB
bLAN_IR_IN_MODEM
020:N15
PTC_WOL
FRAM_SDA_3.5V
+5V_ST
R5093
330
+3.5V_ST_PTC
R5145
10K
FRAM_SCL_5V
R5032
4.7K
R5138
4.7K
R5119
0
0
B-LAN
R5130
4.7K
4.7K
B-LAN
R5133
100
B-LAN
POWER_ON/OFF1
001:AL23;004:AK20;008:AN4
R5079
0
R5067
0
UART3_RX
LD5002
OPT
C5001
2.2uF
10V
R5037
47K
IC5000
SC632ULTRT
3
C1-
2
C1+
4
IN
1
GND
5
EN
6
OUT
7
C2+
8
C2-
9
[EP]GND
R5053
0
R5124
10K
R5151
100K
OPT
PTC_RX_5V
010:J25
R5074
100
R5149
4.7K
4.7K
B-LAN
D5001
MBRA340T3G
R5115
0
0
B-LAN
R5147
100
B-LAN
FRAM_SDA_5V
R5038
4.7K
R5082
0
MPI_DOUT
020:M17;020:AB18
SPI_DIN
020:N16
C5010
27pF
OPT
R5036
4.7K
bLAN_POWER_MANAGE
020:AG8;020:AG4
R5054
100
IC5004
FM24C16A
PTC_FRAM_A type
3
NC_3
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WP
8
VDD
C5002
2.2uF
10V
2.2uF
10V
R5078
0
+3.5V_ST_PTC
R5144
100
100
B-LAN
IC5004-*1
FM24C16B
PTC_FRAM_B type
3
NC_3
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WP
8
VDD
KEY1
006:B24
POWER_DET
001:AL24;004:AM28;016:E11
R5137
100
UART3_TX
LED_R
001:U25;006:B22
R5044
100
SPI_DOUT
020:N16
R5062
100
R5127
470K
B-LAN
+5V_ST
IR
002:Q3;006:E20
+3.5V_ST_PTC
R5095
470
OPT
AMP_RESET
001:AG9;016:M23
R5031
4.7K
R5153
100
+3.5V_ST
R5087
0
RL_ON
001:AL23;004:A27
R5063
100
R5132
4.7K
4.7K
B-LAN
R5056
100
R5140
10K
R5099
100
C5016
10uF
6.3V
C5003
10uF
25V
10uF
25V
+3.5V_ST_PTC
R5125
100K
+12V_ST
MISO_1
R5086
330
+3.5V_ST_PTC
ZD5002
OPT
RJ12_IR_MPI_MODEM
020:AE16
R5150
0
0
B-LAN
+3.5V_ST_PTC
R5029
4.7K
+3.5V_ST_PTC
UART3_TX
C5012
20pF
OPT
R5097
100
L5000
R5110
10K
R5080 1K
OPT
P5000
YFDW254-14S
PTC_DEBUG_WAFER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+3.5V_ST_PTC
RESET_high
010:E25
+3.5V_ST_PTC
+5V_ST
+3.5V_ST_PTC
D5000
MBRA340T3G
+3.5V_ST_PTC
R5050
0
R5083 1K
OPT
L5005
OPT
R5094
470
OPT
R5064
100
L5001
BLM18PG121SN1D
R5088
0
+5V_ST
+3.5V_ST_PTC
X5000
32.768KHz
+12V/+15V
+5V_ST
R5028
47K
R5135
100
B-LAN
MPI_DIN
020:M17;020:AB21
R5015
47K
RJP
+3.5V_ST
R5009
4.7K
RJP
+3.5V_ST
R5008
10K
RJP
10K
RJP
R5002
47K
RJP
R5025
10K
RJP
10K
RJP
RJP_CTRL2_buffer
022:P14
R5000
47K
RJP
+3.5V_ST
RJP_CTRL4_buffer
022:P13
R5022
4.7K
RJP
R5012
10K
RJP
10K
RJP
+3.5V_ST
RJP_CTRL0
018:R23
R5006
10K
RJP
10K
RJP
R5010
4.7K
RJP
R5011
4.7K
RJP
RJP_CTRL0_buffer
022:P14
R5001
1K
RJP
R5026
10K
RJP
10K
RJP
+3.5V_ST
R5020
10K
RJP
10K
RJP
RJP_CTRL3_buffer
022:P13
RJP_CTRL4
018:R21
R5005
1K
RJP
R5003
47K
RJP
+3.5V_ST
R5016
47K
RJP
R5007
10K
RJP
10K
RJP
+3.5V_ST
+3.5V_ST
RJP_CTRL3
018:R22
R5014
10K
RJP
10K
RJP
RJP_CTRL2
018:R22
R5023
4.7K
RJP
+3.5V_ST
R5018
1K
RJP
R5004
1K
RJP
R5021
10K
RJP
10K
RJP
R5013
10K
RJP
10K
RJP
RJP_CTRL1_buffer
022:P14
RJP_CTRL1
018:R23
+3.5V_ST
R5017
1K
RJP
R5043
0
RJP
R5041
0
RJP
RJP_CTRL4_buffer
022:E12
RJP_CTRL0_buffer
022:E19
R5039
0
RJP
R5042
0
RJP
R5040
0
RJP
RJP_CTRL2_buffer
022:E15
RJP_CTRL3_buffer
022:J14
RJP_CTRL1_buffer
022:J17
R5060
4.7K
OPT
R5061
4.7K
OPT
+3.5V_ST_PTC
IC5002
MSP430F5419IPZR
IC_microcontroller
1
P6.4/A4
2
P6.5/A5
3
P6.6/A6
4
P6.7/A7
5
P7.4/A12
6
P7.5/A13
7
P7.6/A14
8
P7.7/A15
9
P5.0/VREF+/VEREF+
10
P5.1/VREF-/VEREF-
11
AVCC
12
AVSS
13
P7.0/XIN
14
P7.1/XOUT
15
DVSS
16
DVCC
17
P1.0/TA0CLK/ACLK
18
P1.1/TA0.0
19
P1.2/TA0.1
20
P1.3/TA0.2
21
P1.4/TA0.3
22
P1.5/TA0.4
23
P1.6/SMCLK
24
P1.7
25
P2.0/TA1CLK/MCLK
26
P2.1/TA1.0
27
P2.2/TA1.1
28
P2.3/TA1.2
29
P2.4/RTCCLK
30
P2.5
31
P2.6/ACLK
32
P2.7/ADC12CLK/DMAE0
33
P3.0/UCB0STE/UCA0CLK
34
P3.1/UCB0SIMO/UCB0SDA
35
P3.2/UCB0SOMI/UCB0SCL
36
P3.3/UCB0CLK/UCA0STE
37
DVSS3
38
DVCC3
39
P3.4/UCA0TXD/UCA0SIMO
40
P3.5/UCA0RXD/UCA0SOMI
41
P3.6/UCB1STE/UCA1CLK
42
P3.7/UCB1SIMO/UCB1SDA
43
P4.0/TB0
44
P4.1/TB1
45
P4.2/TB2
46
P4.3/TB3
47
P4.4/TB4
48
P4.5/TB5
49
P4.6/TB6
50
P4.7/TBCLK/SMCLK
51
P5.4/UCB1SOMI/UCB1SCL
52
P5.5/UCB1CLK/UCA1STE
53
P5.6/UCA1TXD/UCA1SIMO
54
P5.7/UCA1RXD/UCA1SOMI
55
P7.2/TBOUTH/SVMOUT
56
P7.3/TA1.2
57
P8.0/TA0.0
58
P8.1/TA0.1
59
P8.2/TA0.2
60
P8.3/TA0.3
61
P8.4/TA0.4
62
VCORE
63
DVSS2
64
DVCC2
65
P8.5/TA1.0
66
P8.6/TA1.1
67
P8.7
68
P9.0/UCB2STE/UCA2CLK
69
P9.1/UCB2SIMO/UCB2SDA
70
P9.2/UCB2SOMI/UCB2SCL
71
P9.3/UCB2CLK/UCA2STE
72
P9.4/UCA2TXD/UCA2SIMO
73
P9.5/UCA2RXDUCA2SOMI
74
P9.6
75
P9.7
76
P10.0/UCB3STE/UCA3CLK
77
P10.1/UCB3SIMO/UCB3SDA
78
P10.2/UCB3SOMI/UCB3SCL
79
P10.3/UCB3CLK/UCA3STE
80
P10.4/UCA3TXD/UCA3SIMO
81
P10.5/UCA3RXDUCA3SOMI
82
P10.6
83
P10.7
84
P11.0/ACLK
85
P11.1/MCLK
86
P11.2/SMCLK
87
DVCC4
88
DVSS4
89
P5.2/XT2IN
90
P5.3/XT2OUT
91
TEST/SBWTCK
92
PJ.0/TDO
93
PJ.1/TDI/TCLK
94
PJ.2/TMS
95
PJ.3/TCK
96
RST/NMI/SBWTDIO
97
P6.0/A0
98
P6.1/A1
99
P6.2/A2
100
P6.3/A3
R5058
4.7K
OPT
R5059
4.7K
OPT
+3.5V_ST_PTC
R5069
4.7K
OPT
+3.5V_ST_PTC
R5068
4.7K
OPT
C5011
1200pF
50V
1200pF
50V
R5035
56K
1%
+12V_ST
IC5001
TPS61087DRC
3
EN
2
FB
4
AGND
1
COMP
5
PGND
6
SW_1
7
SW_2
8
IN
9
FREQ
10
SS
11
[EP]AGND
+3.5V_ST
C5009
1uF
10V
1uF
10V
C5005
0.1uF
16V
16V
OPT
R5027
75K
C5007
0.1uF
16V
16V
D5002
40V
SMAB34
C5031
100pF
50V
100pF
50V
OPT
C5032
1uF
16V
1uF
16V
OPT
R5046
18K
1%
R5034
100K
1%
L5002
3.6uH
C5033
22uF
16V
22uF
16V
C5006
10uF
10V
10V
DC_DC_EN 022:P17
R5047
0
C5030
0.01uF
C5017
1uF
C5008
2200pF
Q5008
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5009
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5002
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5003
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5007
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5000
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5004
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5006
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5001
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5005
MMBT3904(NXP)
MMBT3904(NXP)
RJP
E
B
C
Q5011
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
Q5019
MMBT3904(NXP)
B-LAN
E
B
C
Q5020
MMBT3904(NXP)
E
B
C
Q5021
MMBT3904(NXP)
MMBT3904(NXP)
B-LAN
E
B
C
Q5022
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
Q5023
MMBT3904(NXP)
B-LAN
E
B
C
Q5024
MMBT3904(NXP)
E
B
C
Q5010
MMBT3906(NXP)
E
B
C
C5025
47pF
50V
47pF
50V
B-LAN
C5027
47pF
50V
47pF
50V
B-LAN
SW5000
SKHMPWE010
1
2
4
3
5
SW5001
SKHMPWE010
1
2
4
3
5
EXT5V_CTRL
EXT12V_CTRL
EXT_PWR_DET
R5049 1K
OPT
C5004
0.1uF
50V
0.1uF
50V
C5013
0.1uF
C5014
0.1uF
C5015
0.1uF
C5020
0.1uF
C5026
0.1uF
0.1uF
B-LAN
C5028
0.1uF
0.1uF
C5029
0.1uF
B-LAN
C5019
0.47uF
CEC_REMOTE_PTC
FRAM_SCL_3.5V
+3.5V_ST_PTC
FRAM_SCL_5V
R5066
0
R5072
0
C5023
0.1uF
16V
0.1uF
16V
OPT
BSS83
Q5015
S
B
D
G
R5103
10K
C5024
0.1uF
16V
0.1uF
16V
OPT
+5V_ST
R5104
1K
R5070
0
R5102
10K
+3.5V_ST_PTC
FRAM_SDA_5V
R5065
0
BSS83
Q5012
S
B
D
G
FRAM_SDA_3.5V
R5141
20K
R5051
0
D5004
5.6V
UART3_RX
010:J25;010:N19;022:N14;022:Y25
D5003
5.6V
R5045
100
JP5002
UART3_TX
010:E27;010:E20;022:N15;022:Y25
JK5000
PEJ027-01
Remote_CTL_OUT_Sn
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
ZD5000
3.6V
JP5001
R5052
100
JK5000-*1
PEJ027-04
Remote_CTL_OUT_Au
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
ZD5001
3.6V
FRAM I2C
GND_JIG
PTC_RESET
BLAN CHECK
12V power
GND_JIG
UART SW CONTROL B
BLAN CHECK
GND_JIG
UART SW CONTROL A
BLAN CHECK
22
PTC_UPDATE
5V stand-by power
PTC
PTC power
CAUTION!!
High --> Low
bLan jig Active voltage change
To Micro VCC Pins
37LT670H-UA
LA1EY
20110108
R2
12V stand-by power
R1
RJP Buffer
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