LG 55LS675H (CHASSIS:LA2AG) Service Manual ▷ View online
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.
P501
WAFER-ANGLE
1
2
3
4
SPK_L+
SPK_L-
SPK_R+
SPK_R-
R514
12
L504
10.0uH
10.0uH
AMP_RESET
C532
390pF
50V
C509
33pF
50V
33pF
50V
0.1uF
C519
50V
IC501
NTP-7500L
1
AGND_PLL
2
AVDD_PLL
3
DVDD_PLL
4
LF
5
DGND_PLL
6
GND_1
7
DGND
8
DVDD
9
SDATA
10
WCK
11
BCK
12
SDA
13
SCL
14
/FAULT
15
MONITOR0
16
MONITOR1
17
MONITOR2
18
BST2B
19
PGND2B
20
OUT2B_1
21
OUT2B_2
22
PVDD2_1
23
PVDD2_2
24
PVDD2_3
25
OUT2A_1
26
OUT2A_2
27
PGND2A
28
BST2A
29
VDR2
30
AGND
31
VCC_5
32
VDR1
33
BST1B
34
PGND1B
35
OUT1B_1
36
OUT1B_2
37
PVDD1_1
38
PVDD1_2
39
PVDD1_3
40
OUT1A_1
41
OUT1A_2
42
PGND1A
43
BST1A
44
/RESET
45
AD
46
GND_IO
47
CLK_I
48
VDD_IO
49
[EP]
D502
100V
1N4148W
OPT
+24V_AMP
0.1uF
C514
16V
R515
12
C526
22000pF
22000pF
50V
C515
10uF
10V
10uF
10V
C525
0.01uF
50V
0.01uF
50V
OPT
R517
4.7K
C511
10uF
10uF
10V
OPT
AUD_LRCH
C505
1000pF
50V
R518
4.7K
0.1uF
C540
50V
0.1uF
C502
50V
0.1uF
C538
50V
AUD_LRCK
POWER_DET
AUD_MASTER_CLK
R516
4.7K
R506
100
C530
390pF
50V
AUD_SCK
AMP_SDA
AMP_MUTE
+3.3V_Normal
C510
10uF
10V
OPT
C535
0.47uF
50V
C533
390pF
50V
R501
10K
R505
3.3K
+24V
L502
BLM18PG121SN1D
SPK_L+
C516
1000pF
50V
C518
22000pF
50V
AMP_SCL
C503
100pF
50V
R513
12
R511
12
C527
22000pF
50V
22000pF
50V
L506
10.0uH
10.0uH
0.1uF
C537
50V
R520
10K
R509
12
C517
22000pF
50V
R521
10K
L501
CIS21J121
R522
0
0
OPT
C534
1uF
25V
1uF
25V
C507
33pF
50V
33pF
50V
SPK_R-
0.1uF
C522
50V
R519
4.7K
C512
0.1uF
16V
C504
1000pF
50V
C523
10uF
35V
10uF
35V
0.1uF
C521
50V
R510
12
D503
100V
1N4148W
OPT
+24V_AMP
C528
1uF
25V
1uF
25V
0.1uF
C513
16V
R512
12
0.1uF
C508
16V
OPT
SPK_L-
L505
10.0uH
10.0uH
L503
10.0uH
10.0uH
0.1uF
C520
50V
R503
100
SPK_R+
C529
1uF
25V
25V
D501
100V
1N4148W
OPT
C524
10uF
35V
C531
390pF
50V
R504
100
+3.5V_ST
C536
0.47uF
50V
0.1uF
C539
50V
R508
12
R502
10K
D504
100V
1N4148W
OPT
0.1uF
C501
50V
+24V_AMP
Q501
MMBT3904(NXP)
E
B
C
R507
3.3
3.3
OPT
C506
4.7uF
16V
16V
NTP7500
20111008
16
37LT670H-UA
SPEAKER_R
SPEAKER_L
Audio amp(NTP-7500)
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.
D1707
5.6V
5.6V
OPT
+3.3V_Normal
D1706
5.6V
R1703
470K
R1708
10K
10K
R1710
10K
10K
D1700
30V
JK1700
PPJ233-01
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]C-LUG
5C
[RD]E-LUG
4C
[RD]O-SPRING
3C
[RD]CONTACT
AV_COMP_PC_R_IN
R1713
12K
12K
L1701
120-ohm
AV_CVBS_DET
AV_COMP_PC_L_IN
C1702
0.1uF
16V
0.1uF
16V
R1711
10K
10K
C1703
330pF
50V
D1705
5.6V
AV_CVBS_IN
L1700
120-ohm
C1704
330pF
50V
330pF
50V
R1702
470K
R1700
75
75
R1709
1K
R1712
12K
R906
22
22
D900
30V
DSUB_G+
C904
0.1uF
16V
D904
30V
D905
5.6V
OPT
OPT
R900
75
75
R907
10K
10K
D901
30V
30V
R905
22
22
+5V_Normal
+3.3V_Normal
R903
2.2K
2.2K
DSUB_HSYNC
D907
5.6V
OPT
D906
ENKMC2838-T112
A1
C
A2
R902
75
C900
68pF
50V
68pF
50V
OPT
DSUB_R+
RGB_DDC_SDA
R901
75
75
R904
2.2K
2.2K
R908
1K
1K
C902
18pF
18pF
50V
DSUB_B+
C903
18pF
50V
DSUB_DET
P900
SPG09-DB-010
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
DSUB_VSYNC
C901
68pF
50V
68pF
50V
OPT
D903
30V
30V
D908
5.6V
OPT
RGB_DDC_SCL
D902
30V
30V
SPI_SDO
/SPI_CS
IC1300-*1
W25Q80BVSSIG
S_FLASH_MAIN_WINBOND
3
%WP[IO2]
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
HOLD[IO3]
8
VCC
R1302
4.7K
OPT
C1300
0.1uF
+3.5V_ST
Q1300
KRC103S
KRC103S
OPT
E
B
C
+3.5V_ST
SPI_SCK
R1303
33
33
+3.5V_ST
SPI_SDI
R1301
10K
OPT
/FLASH_WP
R1300
0
OPT
IC1300
MX25L8006EM2I-12G
S_FLASH_MAIN_MACRONIX
3
WP#
2
SO/SIO1
4
GND
1
CS#
5
SI/SIO0
6
SCLK
7
HOLD#
8
VCC
C1701
220pF
50V
220pF
50V
OPT
C1700
47pF
50V
47pF
50V
REAR_JACK
20111008
17
37LT670H-UA
L-MONO
Rear AV
RGB PC
Serial Flash 1MB
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.
+12V/+15V
ZD1803
5.1V
RJP
ZD1802
5.1V
RJP
R1826
3.9K
RJP
R1828
3.9K
RJP
Q1803
AO3407A RJP
G
D
S
ZD1804
5.1V
RJP
R1821
3.9K
RJP
R1814
510
RJP
C1802
2.2uF
16V RJP
R1815
510
RJP
R1824
3.9K
RJP
R1816
510
RJP
ZD1801
5.1V
RJP
R1817
510
RJP
RJP_CTRL0
RJP_CTRL1
RJP_CTRL2
RJP_CTRL3
RJP_CTRL4
R1818
510
RJP
R1820
3.9K
RJP
ZD1800
5.1V
RJP
R1811
0
RJP_NORMAL
Q1802
AO3407A RJP_PROTECTION
G
D
S
C1811
22uF
16V
16V
OPT
L1800
BLM18PG121SN1D
RJP
R1807
5.1K
RJP_PROTECTION
R1804
5.1K
RJP_PROTECTION
R1819
10K
10K
RJP
R1801
10K
10K
RJP
R1800
10K
RJP
R1808
1K
RJP_PROTECTION
C1810
0.01uF
RJP
C1806
0.01uF
RJP
C1804
0.01uF
RJP
C1809
0.01uF
RJP
C1808
0.01uF
RJP
C1805
1uF
25V
OPT
25V
OPT
JK1800
MJ-657PT-8-SD
RJP_Jack_Silver
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
SUB_MUTE
001:AC13
+5V_Normal
R1802
1K
R1806
100
C1800
1uF
10V
JK1801
PEJ029-02
3
E_SPRING
6
T_TERMINAL
7
B_TERMINAL
5
T_SPRING
4
R_SPRING
8
G_SPRING
L1801
C1807
0.1uF
0.1uF
C1815
39pF
OPT
C1801
1uF
10V
EXT_SPK_R-
018:O11
R1812
3.3K
3.3K
R1823
1K
R1805
0
R1827
100
OPT
R1831
51K
51K
OPT
IC1800
TPA6011A4PWPRG4
3
PVDD_1
2
ROUT-
4
RHPIN
1
PGND_1
6
RIN
5
RLINEIN
7
VDD
8
LIN
9
LLINEIN
10
LHPIN
11
PVDD_2
12
LOUT-
13
PGND_2
14
LOUT+
15
SHUTDOWN
16
FADE
17
BYPASS
18
AGND
19
SEMAX
20
SEDIFF
21
VOLUME
22
HP/LINE
23
SE/BTL
24
ROUT+
Q1800
MMBT3904(NXP)
E
B
C
C1816
39pF
OPT
C1813
39pF
OPT
+3.3V_Normal
C1814
39pF
OPT
R1825
100
100
L1804
EXT_AMP_L_IN
018:AG25
EXT_SPK_L-
018:P6
R1822
10K
L1802
+3.5V_ST
EXT_SPK_L+
018:AL13
R1832
4.7K
4.7K
OPT
C1803
22uF
16V
16V
EXT_SPK_L-
018:AL14
EXT_AMP_R_IN
018:AG21
R1833
100
OPT
R1829
4.7K
EXT_SPK_DET
EXT_SPK_R+
018:AL14
EXT_SPK_R+
018:AB12
R1830
100
EXT_SPK_R-
018:AL14
L1803
C1812
1uF
25V
25V
R1803
1K
R1809
1K
EXT_SPK_L+
018:Y7
R1810
100
RJP_PROTECTION
R1813
4.3K
RJP_PROTECTION
R1828*-1
2.7K
RJP_PROTECTION
EXT_AMP_R_IN
C1818
33pF
+12V/+15V
R1841
5.6K
R1837
33K
R1845
220K
R1840
5.6K
EXT_AMP_L_IN
R1839
470K
OPT
R1844
220K
R1838
470K
OPT
IC1801
AS324MTR-E1
OP_AMP_BCD
3
IN1+
2
IN1-
4
VCC
1
OUT1
6
IN2-
5
IN2+
7
OUT2
8
OUT3
9
IN3-
10
IN3+
11
GND
12
IN4+
13
IN4-
14
OUT4
C1819
330pF
R1842
2.2K
R1834
10K
EXT_AMP_R
R1835
10K
C1820
330pF
C1817
33pF
EXT_AMP_L
R1843
2.2K
R1836
33K
IC1801-*1
SN324
OP_AMP_AUK
3
NON_INV_IN1
2
INV_IN1
4
VCC
1
OUT1
6
INV_IN2
5
NON_INV_IN2
7
OUT2
8
OUT3
9
INV_IN3
10
NON_INV_IN3
11
GND
12
NON_INV_IN4
13
INV_IN4
14
OUT4
JK1800-*1
KRJV9768-1001-024
RJP_Jack_Black
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
SIDE_JACK
20111008
18
37LT670H-UA
RJP
EXT_SPEAKER_AMP
SPEAKER OUT JACK
CLOSE TO MSTAR
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