LG 47LH80YD (CHASSIS:LB91F) Service Manual ▷ View 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.
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.
DDR_DQ[3]
URSA_A[9]
DDR_DQ[15]
URSA_DQ[20]
DDR_DQ[6]
DDR_DQ[22]
DDR_DQ[12]
DDR_DQ[28]
DDRA_A[6]
DDR_DQ[25]
DDRB_A[1]
URSA_DQ[31]
DDR_DQ[15]
DDR_DQ[26]
DDRB_A[11]
DDR_DQ[19]
DDRA_A[9]
DDR_DQ[1]
DDR_DQ[10]
URSA_DQ[22]
DDRB_A[0-12]
DDRB_A[6]
DDR_DQ[13]
URSA_DQ[8]
URSA_DQ[18]
DDRA_A[3]
URSA_DQ[30]
DDR_DQ[11]
URSA_DQ[25]
DDR_DQ[17]
URSA_DQ[12]
DDR_DQ[23]
DDRA_A[4]
DDR_DQ[14]
DDR_DQ[20]
URSA_A[3]
DDRB_A[10]
DDR_DQ[3]
URSA_DQ[17]
DDRB_A[11]
DDRA_A[7]
DDRB_A[5]
DDRA_A[0]
URSA_DQ[9]
DDRA_A[0-12]
DDR_DQ[31]
URSA_A[4]
DDR_DQ[20]
DDRA_A[6]
URSA_A[8]
DDRB_A[0]
URSA_DQ[16]
URSA_DQ[13]
URSA_A[1]
URSA_A[5]
URSA_DQ[23]
URSA_A[10]
DDR_DQ[5]
DDRA_A[4]
DDR_DQ[19]
DDR_DQ[7]
DDRA_A[5]
DDRB_A[1]
URSA_DQ[1]
DDR_DQ[2]
URSA_A[6]
DDR_DQ[23]
DDR_DQ[0-15]
DDRA_A[12]
URSA_A[11]
URSA_A[8]
DDR_DQ[26]
DDR_DQ[22]
URSA_A[1]
URSA_DQ[4]
URSA_DQ[26]
URSA_DQ[7]
DDRB_A[7]
DDRB_A[9]
DDR_DQ[29]
DDR_DQ[17]
URSA_DQ[14]
URSA_A[6]
DDR_DQ[30]
DDR_DQ[27]
URSA_DQ[6]
DDRA_A[5]
DDRA_A[1]
DDR_DQ[21]
DDR_DQ[4]
DDRA_A[12]
DDR_DQ[14]
DDR_DQ[0]
DDR_DQ[27]
DDRA_A[0]
DDRA_A[3]
DDRB_A[6]
URSA_A[2]
DDR_DQ[16]
DDR_DQ[24]
URSA_A[7]
DDRA_A[2]
URSA_DQ[10]
URSA_DQ[24]
DDR_DQ[31]
URSA_DQ[27]
DDRB_A[7]
DDR_DQ[13]
DDR_DQ[4]
URSA_A[12]
URSA_DQ[11]
DDRB_A[2]
DDR_DQ[24]
URSA_A[3]
URSA_DQ[5]
DDRB_A[10]
DDRA_A[11]
DDRB_A[8]
DDR_DQ[11]
URSA_A[4]
DDR_DQ[21]
URSA_A[0]
URSA_DQ[0]
DDR_DQ[7]
DDR_DQ[12]
DDRB_A[5]
DDR_DQ[1]
DDR_DQ[9]
DDR_DQ[30]
URSA_DQ[21]
URSA_A[5]
DDR_DQ[16]
DDR_DQ[29]
URSA_DQ[2]
URSA_DQ[28]
URSA_DQ[3]
DDRB_A[12]
URSA_A[7]
DDR_DQ[5]
DDRA_A[10]
DDR_DQ[18]
DDR_DQ[9]
DDRB_A[3]
DDRB_A[2]
URSA_DQ[15]
DDR_DQ[0]
URSA_DQ[29]
DDRB_A[0]
DDR_DQ[8]
DDRA_A[8]
DDR_DQ[2]
URSA_A[12]
DDRA_A[10]
DDRA_A[11]
DDRB_A[4]
DDRB_A[3]
DDRA_A[2]
URSA_DQ[19]
DDRA_A[9]
DDR_DQ[8]
DDR_DQ[25]
DDRA_A[1]
DDR_DQ[18]
URSA_A[2]
DDR_DQ[16-31]
DDRB_A[4]
URSA_A[9]
DDR_DQ[28]
DDRA_A[8]
DDRA_A[7]
URSA_A[11]
DDRB_A[12]
DDRB_A[9]
DDRB_A[8]
URSA_A[10]
DDR_DQ[10]
URSA_A[0]
DDR_DQ[6]
C837
0.1uF
URSA_MCLKE
7:T4;T8
+1.8V_FRC_DDR
C805
0.1uF
R818
56
C827
0.1uF
R802
1K
1%
C809
0.1uF
URSA_BA0
7:R4;U10
URSA_DQS3
7:I13
A_URSA_CASZ
X15
URSA_RASZ
+1.8V_MEMC
URSA_RASZ
AR816
56
URSA_MCLK
7:I11
R811
56
C818
0.1uF
B_URSA_BA0
AR804
22
URSA_DQS2
7:I14
A_URSA_CASZ
C838
0.1uF
A_URSA_WEZ
U8
A_URSA_BA0
AA15
C824
0.1uF
AR811
22
C807
0.1uF
C831
0.1uF
R807
56
C808
1000pF
C802
10uF
R816
56
R822
1K
1%
AR808
22
L800
BLM18PG121SN1D
AR802
56
URSA_A[0-12]
R804
22
URSA_ODT
7:I10;Q13
C836
0.1uF
+1.8V_FRC_DDR
R823
150
OPT
AR814
56
+1.8V_FRC_DDR
AR800
56
C819
0.1uF
A_URSA_RASZ
R810
56
B_URSA_BA0
AR817
56
URSA_BA1
7:R4;U10
+1.8V_FRC_DDR
+1.8V_FRC_DDR
C829
0.1uF
A_URSA_BA1
URSA_DQ[0-31]
7:AB4;AL20
URSA_CASZ
C825
0.1uF
URSA_DQM1
7:W4
URSA_DQS1
7:Y4
C813
10uF
R819
56
R815
56
A_URSA_MCLKE
U8
URSA_MCLKZ1
7:AB4
R806
56
URSA_ODT
7:I10;X13
R801
1K
1%
C801
10uF
10V
C832
1000pF
R805
22
URSA_CASZ
C835
0.1uF
URSA_BA0
7:R4;T9
URSA_DQSB3
7:I13
C812
0.1uF
C810
0.1uF
C800
0.1uF
C823
10uF
B_URSA_MCLKE
T9
B_URSA_BA1
AR812
22
R803
22
AR807
22
AR813
22
C820
0.1uF
B_URSA_CASZ
R15
C815
0.1uF
B_URSA_WEZ
Q12
AR810
22
AR815
56
C839
0.1uF
B_URSA_RASZ
R15
C841
0.1uF
R820
56
R813
22
URSA_WEZ
7:R4;T8
C816
0.1uF
URSA_DQM2
7:I15
+1.8V_FRC_DDR
AR809
22
B_URSA_RASZ
C806
0.1uF
C826
0.1uF
AR801
56
URSA_MCLKE
7:T4;U9
R812
22
A_URSA_BA0
URSA_DQSB2
7:I14
URSA_DQM3
7:I15
C840
0.1uF
C834
0.1uF
A_URSA_RASZ
X15
URSA_DQ[0-31]
7:AB4;D20
B_URSA_WEZ
T9
C833
0.1uF
A_URSA_BA1
AA15
C814
0.1uF
URSA_MCLKZ
7:I10
C821
0.1uF
C817
0.1uF
R800
150
OPT
R808
56
B_URSA_CASZ
AR806
22
B_URSA_BA1
URSA_DQS0
7:X4
C822
10uF
10V
C804
0.1uF
C803
0.1uF
B_URSA_MCLKE
Q14
URSA_WEZ
7:R4;U9
URSA_MCLK1
7:AA4
R814
22
R817
56
C811
0.1uF
R821
1K
1%
R809
56
+1.8V_FRC_DDR
URSA_DQSB0
7:X4
A_URSA_MCLKE
Z14
AR803
56
C828
10uF
URSA_BA1
7:R4;T8
C830
0.1uF
URSA_DQM0
7:W4
URSA_DQSB1
7:Y4
AR805
22
A_URSA_WEZ
X12
C844
0.1uF
C842
0.1uF
C843
0.1uF
+1.8V_FRC_DDR
+1.8V_FRC_DDR
C850
0.1uF
C848
0.1uF
C852
0.1uF
C845
0.1uF
+1.8V_FRC_DDR
C846
0.1uF
C851
0.1uF
+1.8V_MEMC
C849
0.1uF
C847
0.1uF
IC801
H5PS5162FFR-S6C
EAN55705501
J2
VREF
J8
CK
H2
VSSQ2
B7
UDQS
N8
A4
P8
A8
L1
NC4
L2
BA0
R8
NC3
K7
RAS
F8
VSSQ3
F3
LDM
P3
A9
M3
A1
N3
A5
K8
CK
R3
NC5
L3
BA1
J7
VSSDL
L7
CAS
F2
VSSQ4
B3
UDM
M2
A10/AP
K2
CKE
R7
NC6
M7
A2
N7
A6
M8
A0
J1
VDDL
K3
WE
E8
LDQS
P7
A11
K9
ODT
A2
NC1
N2
A3
P2
A7
H8
VSSQ1
F7
LDQS
A8
UDQS
R2
A12
L8
CS
E2
NC2
E7
VSSQ5
D8
VSSQ6
D2
VSSQ7
A7
VSSQ8
B8
VSSQ9
B2
VSSQ10
P9
VSS1
N1
VSS2
J3
VSS3
E3
VSS4
A3
VSS5
G9
VDDQ1
G7
VDDQ2
G3
VDDQ3
G1
VDDQ4
E9
VDDQ5
C9
VDDQ6
C7
VDDQ7
C3
VDDQ8
C1
VDDQ9
A9
VDDQ10
R1
VDD1
M9
VDD2
J9
VDD3
E1
VDD4
A1
VDD5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
IC800
H5PS5162FFR-S6C
EAN55705501
J2
VREF
J8
CK
H2
VSSQ2
B7
UDQS
N8
A4
P8
A8
L1
NC4
L2
BA0
R8
NC3
K7
RAS
F8
VSSQ3
F3
LDM
P3
A9
M3
A1
N3
A5
K8
CK
R3
NC5
L3
BA1
J7
VSSDL
L7
CAS
F2
VSSQ4
B3
UDM
M2
A10/AP
K2
CKE
R7
NC6
M7
A2
N7
A6
M8
A0
J1
VDDL
K3
WE
E8
LDQS
P7
A11
K9
ODT
A2
NC1
N2
A3
P2
A7
H8
VSSQ1
F7
LDQS
A8
UDQS
R2
A12
L8
CS
E2
NC2
E7
VSSQ5
D8
VSSQ6
D2
VSSQ7
A7
VSSQ8
B8
VSSQ9
B2
VSSQ10
P9
VSS1
N1
VSS2
J3
VSS3
E3
VSS4
A3
VSS5
G9
VDDQ1
G7
VDDQ2
G3
VDDQ3
G1
VDDQ4
E9
VDDQ5
C9
VDDQ6
C7
VDDQ7
C3
VDDQ8
C1
VDDQ9
A9
VDDQ10
R1
VDD1
M9
VDD2
J9
VDD3
E1
VDD4
A1
VDD5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
MST7323S DDR2
8 12
MSTAR (JUNO)
DDR2 1.8V By CAP - Place these Caps near Memory
PI Result
FRC DDR2
HONG YEON HYUK
09.02.04
resonance Compensation
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.
+3.3V_ST
+3.3V_ST_MICOM
L900
BLM18PG121SN1D
R925
0
UCOM_TXD
1:AB21
UCOM_RXD
1:L23
R926
0
R921
22
R920
22
SDA_WIRELESS
9:F35;2:J23
SCL_WIRELESS
9:F35;2:J23
R931
4.7K
OPT
R916
0
+3.3V_ST_MICOM
R917
22
R932
4.7K
OPT
R919
22
R914
0
R929
0
AUDIO_MUTE
3:W9
C903
0.1uF
16V
0.1uF
16V
+3.3V_ST_MICOM
C901
0.1uF
16V
0.1uF
16V
IC901
KIA7027AF
2
G
3
O
1
I
C908
47uF
25V
25V
OPT
R906
47K
+3.3V_ST_MICOM
C906
18pF
C904
10uF
6.3V
10uF
6.3V
IR
1:AH13
C900
0.1uF
R904
4.7K
+3.3V_ST_MICOM
HDMI_CEC
9:F32;2:AA27
MICOM_SDA
9:AT5
R902
22
+3.3V_ST_MICOM
R905
0
R903
4.7K
R910
100
OPT
R907
22
R900
47K
C902
0.1uF
16V
0.1uF
16V
MICOM_SCL
9:AT5
X900
24MHz
R901
22
C907
0.1uF
16V
0.1uF
16V
R908
22
C905
18pF
+3.3V_ST_MICOM
R909
100
OPT
IC900
M24C16-WMN6T
0IMMRSG036B
EEPROM
SGS-THOMSON
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WP
8
VCC
IC902
WT61P8-RG480WT
EAN41349803
1
NC1
2
VDD33V
3
GND
4
OSCO
5
OSCI
6
GPIOB6/SSDA
7
GPIOB5/SSCL
8
GPIOB4/P05
9
GPIOB3/P04
10
GPIOB2/IR
11
GPIOB1/IRQ3/CEC
12
GPIOB0/IRQ2
13
NC2
14
GPIOC7/P17/IRQ1
15
GPIOC6/P16/IRQ0
16
GPIOC5/P15/TXD0
17
GPIOC4/P14/RXD0
18
GPIOC3/AD3
19
GPIOC2/AD2
20
GPIOC1/AD1
21
GPIOC0/AD0
22
DSDA1
23
DSCL1
24
NC3
25
GPIOA5/DSDA2
26
GPIOA4/DSCL2
27
GPIOA3/PWM7/P03
28
GPIOA2/PWM6/P02
29
GPIOA1/PWM5/P01
30
GPIOA0/PWM4/P00
31
GPIOD7/RXD1
32
GPIOD6/TXD1
33
GPIOD5/P13/AD7
34
GPIOD4/P12/AD6
35
GPIOD3/P11/AD5
36
GPIOD2/P10/AD4
37
GPIOD1/HIN2
38
GPIOD0/HIN1
39
GPIOE7/VIN1
40
GPIOE6/VIN2
41
GPIOE5/P07
42
GPIOE4/LPWM/P06
43
GPIOE3/PWM3
44
GPIOE2/PWM2
45
GPIOE1/PWM1
46
NRST
47
GPIOE0/PWM0
48
NC5
R930
27K
OPT
R939
22
OPT
R937
22
OPT
RL_ON
1:Z10;4:O26;4:Q25
LD900
SML-201MT
OPT
R950
1K
OPT
R911
0
R956
0
R955
0
LD901
SML-201MT
R949
1K
+3.3V
MEMC_RESET
9:AC24;7:AF7
R922
0
OPT
SCL_WIRED/MICOM_ISP
2:G6
KEY1
1:Z16
SDA_WIRED/MICOM_ISP
2:G6
KEY2
1:Z15
LED_ON
1:Z11
R934
0
S5_STBY_CTL
4:AI23
FAN_EN
1:AC4;1:AM6
FAN_ERROR
9:AO26;1:Z4
POWER_ON/OFF
9:AO34;4:Q24;AF19
EYE_LED_SDA
9:AT6;1:AF16
EYE_LED_SCL
9:AT6;1:AF17
R948
0
R946
22
R947
22
R945
0
+3.3V_EN
4:Y19
R924
0
OPT
+5V_ST
R962
4.3K
1%
+12V
R963
8.2K
1%
R964
27K
1%
OPT
R965
10K
1%
OPT
+1.26V_EN
4:K14
R952
0
OPT
R953
0
OPT
RX_EN
1:O4;1:AC3
S5_SW_RESET
9:Y16
UART_SEL1
1:W22
UART_SEL2
1:P22;1:AJ22
+1.8V_EN
4:C6
POWER_DET
9:AC25;9:AO35;9:BA16
R941
0
OPT
R913
0
OPT
R936
0
R918
0
R935
0
R938
0
R942
0
OPT
R915
0
OPT
R940
0
OPT
R928
4.7K
OPT
R923
4.7K
OPT
+3.3V_ST_MICOM
+3.3V_ST_MICOM
R927
0
R933
0
R912
0
R954
4.7K
R957
4.7K
R959
4.7K
OPT
+3.3V_ST_MICOM
R958
4.7K
OPT
R951
4.7K
OPT
R944
4.7K
OPT
R943
0
POWER_ON/OFF 9:AO34;4:Q24;T8
R960
0
OPT
+5V_ST
POWER FOR SUB MICOM
MICOM
JUNO
12 12
MICOM
IIC ID : 0x50
I2C FOR WIRELESS RX BOARD
I2C FOR WIRED AV BOX
I2C FOR MICOM ISP (D/L)
I2C FOR MICOM ISP (D/L)
LIM KYOUNG RYUL
09.02.04
OPTION FOR AC-DETECT
MICOM OPTION
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