Read LG 42LH90QR (CHASSIS:LP91C) Service Manual 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.
MEMC_DQSB2
100
R1146
0.1uF
C1123
MEMC_MCLKZ
+1.8V_MEMC
MEMC_RXO4+
MEMC_MCLK1
M_SPI_CK
120-ohm
L1103
120-ohm
L1105
0.01uF
C1133
MEMC_RXEC+
MEMC_DQM0
0.1uF
C1134
820
R1110
10uF
C1140
+3.3V_MEMC
M_XTALI
1M
R1124
M_SPI_CK
MEMC_DQM3
MEMC_RXE2-
MEMC_DQM2
0.1uF
C1143
MEMC_DQSB1
MEMC_RXO2+
M_SPI_DO
MEMC_DQS2
0.1uF
C1107
M_XTALO
MEMC_DQS3
MEMC_DQSB3
MEMC_RXE4-
M_SDA
MEMC_DQM1
0.1uF
C1119
BLM18PG121SN1D
L1106
MEMC_DQ[0-15]
ISP_RXD_TR
56
R1121
100
R1153
0
R1109
100
R1154
MEMC_RXE1-
0.1uF
C1101
0.1uF
C1142
100
R1157
100
R1152
MEMC_RXO1-
M_SPI_DI
100
R1155
MEMC_RXO0+
100
R1156
MEMC_DQ[16-31]
56
R1125
1K
READY
READY
R1115
22uF
16V
C1115
0.1uF
C1136
22uF
C1139
+3.3V_MEMC
MEMC_RXOC-
+1.26V_MEMC
+3.3V_MEMC
MEMC_RXE3+
120-ohm
L1104
10K
R1104
10K
R1103
ISP_RXD_TR
MEMC_RXO3+
10uF
10
V
C1126
MEMC_RXE1+
0.1uF
C1109
1K
READY
READY
R1102
0.1uF
C1149
1uF
C1103
10uF
C1116
0.1uF
C1130
1K
R1101
+3.3V_MEMC
0.1uF
C1110
MEMC_RXE0-
0.1uF
C1137
0.1uF
C1124
ISP_TXD_TR
0.1uF
C1105
0.1uF
C1108
0.1uF
C1144
0.1uF
C1114
120-ohm
L1101
0.1uF
C1122
15pF
C1147
MEMC_ODT
LED_DEMO
MEMC_RXOC+
LVDS_SEL
1K
R1116
MEMC_MCLK
0.1uF
C1113
MEMC_RASZ
0.1uF
C1141
MEMC_RXE3-
15pF
C1148
MEMC_WEZ
0.1uF
C1125
MEMC_RXO3-
MEMC_RXE4+
120-ohm
L1102
MEMC_RXO4-
MEMC_DQSB0
0.1uF
C1102
MEMC_BA1
AFLC_EN
0.1uF
C1128
1K
READY
READY
R1117
ISP_TXD_TR
MEMC_RXE2+
10uF
C1121
M_SPI_CZ
0.1uF
C1138
10K
R1122
MEMC_DQS0
1K
R1114
MEMC_CASZ
M_SPI_CZ
+3.3V_MEMC
MEMC_MCLKE
MEMC_RXO1+
0.1uF
C1131
56
R1120
0.1uF
C1129
10K
R1111
W25X20AVSNIG
IC1101
IC1101_URSA
3
WP
2
DO
4
GND
1
CS
5 DIO
6 CLK
7 HOLD
8 VCC
MEMC_A[0-12]
10uF
C1117
0.1uF
C1145
MEMC_BA0
MEMC_DQS1
56
R1126
M_SPI_DI
M_SCL
M_XTALI
0.1uF
C1132
0.1uF
C1118
10uF
10V
C1120
0.1uF
C1111
1uF
C1135
0.1uF
C1112
MEMC_RESET
MEMC_RXO0-
12MHz
X1101
10uF
C1127
0.1uF
C1106
MEMC_MCLKZ1
MEMC_RXE0+
22uF
16V
C1104
0.1uF
C1146
+3.3V_MEMC
MEMC_RXO2-
+3.3V_MEMC
100
R1151
M_SPI_DO
+3.3V_MEMC
100
R1150
MEMC_RXEC-
M_XTALO
100
R1149
100
R1148
100
R1147
SMW250-04
P1103
DEBUG
1
2
3
4
[ E 1 ]
[ D 1 ]
[ L 9 ]
[ N 5 ]
[ N 4 ]
[ N 1 2 ]
[ N 1 3 ]
LGE7329A
IC1100
E1 SDAS
D1 SCLS
F1 GPIO[8]
G1 GPIO[9]
K8 GND_14
K8 GND_14
E5 VDDC_1
E2 GPIO[10]
F2 GPIO[11]
F3 GPIO[12]
E2 GPIO[10]
F2 GPIO[11]
F3 GPIO[12]
G2 GPIO[13]
M4 GPIO[22]
M5 GPIO[23]
M5 GPIO[23]
G3 GPIO[14]
E4 GPIO[15]
F4 GPIO[16]
F4 GPIO[16]
G4 GPIO[17]
H4 GPIO[18]
H4 GPIO[18]
J4 GPIO[19]
K4 GPIO[20]
L4 GPIO[21]
J6 VDDP_2
H9 GND_7
F6 VDDC_2
H1 MDATA[20]
H2 MDATA[19]
H2 MDATA[19]
H3 MDATA[17]
J1 MDATA[22]
J2 MDATA[27]
J3 MDATA[28]
J3 MDATA[28]
K1 MDATA[25]
K2 MDATA[30]
K6 AVDD_DDR_2
K3 DQM[3]
K2 MDATA[30]
K6 AVDD_DDR_2
K3 DQM[3]
L1 DQM[2]
J8 GND_10
L2 DQS[2]
L3 DQSB[2]
L6 AVDD_DDR_4
L8 VDDP_3
L3 DQSB[2]
L6 AVDD_DDR_4
L8 VDDP_3
H10 GND_8
M1 DQS[3]
M2 DQSB[3]
M2 DQSB[3]
L7 AVDD_DDR_5
M3 MDATA[31]
N1 MDATA[24]
J9 GND_11
N2 MDATA[26]
N3 MDATA[29]
N3 MDATA[29]
L10 AVDD_DDR_6
P1 MDATA[23]
R1 MDATA[16]
T1 MDATA[18]
T2 MDATA[21]
R2 MCLK[0]
T1 MDATA[18]
T2 MDATA[21]
R2 MCLK[0]
P2 MCLKZ[0]
G7 GND_1
L9 AVDD_MEMPLL
N5 MVREF
N4 ODT
N4 ODT
T3
RASZ
R3
CASZ
P3
MADR[0]
T4
MADR[2]
R4
MADR[4]
J10
GND_12
P4
MADR[6]
T5
MADR[8]
R5
MADR[11]
P5
WEZ
T6
BADR[1]
R6
BADR[0]
P6
MADR[1]
T7
MADR[10]
L11
AVDD_DDR_7
R7
MADR[5]
P7
MADR[9]
T8
MADR[12]
R8
MADR[7]
P8
MADR[3]
N8
MCLKE
K10
GND_16
F7
VDDC_3
T9
MDATA[4]
R9
MDATA[3]
K7
GND_13
P9
MDATA[1]
T10
MDATA[6]
K11
AVDD_DDR_3
R10
MDATA[11]
P10
MDATA[12]
T11
MDATA[9]
R11
MDATA[14]
J11
AVDD_DDR_1
P11
DQM[1]
T12
DQM[0]
R12
DQS[0]
P12
DQSB[0]
H11
VDDP_1
T13
DQS[1]
R13
DQSB[1]
P13
MDATA[15]
T14
MDATA[8]
R14
MDATA[10]
P14
MDATA[13]
T15
MDATA[7]
R15
MDATA[0]
P15
MDATA[2]
T16
MDATA[5]
R16
MCLK[1]
P16
MCLKZ[1]
N9
GPIO[26]
N10
GPIO[27]
N11
GND_17
M11
RESET
G6
VDDC_4
N12
GPIO[28]
N13
GPIO[29]
N14
GPIO[30]
L13
SCK
M13
SDI
M12
SDO
K13
CSZ
L12
PWM1
K12
PWM0
J13
GPIO[0]
H13
GPIO[1]
G13
GPIO[2]
F13
GPIO[3]
E13
GPIO[4]
F12
GPIO[5]
D14
GPIO[6]
E12
GPIO[7]
N6
GPIO[24]
H6
VDDC_5
N15
LVD4M
N16
LVD4P
M14
LVD3M
M15
LVD3P
F8
AVDD_33_1
M16
LVDCKM
L16
LVDCKP
L15
LVD2M
L14
LVD2P
G9
GND_3
K14
LVD1M
J14
LVD1P
J16
LVD0M
J15
LVD0P
H15
LVC4M
H16
LVC4P
H14
LVC3M
G14
LVC3P
G16
LVCCKM
G15
LVCCKP
F15
LVC2M
F16
LVC2P
F14
LVC1M
E14
LVC1P
E16
LVC0M
E15
LVC0P
G10
GND_4
F9
AVDD_33_2
D16
LVB4M
D15
LVB4P
C16
LVB3M
B16
LVB3P
A16
LVBCKM
A15
LVBCKP
B15
LVB2M
C15
LVB2P
D2
GPIO_3
E3
GPIO_10
E10
GPIO_11
D10
GPIO_7
D8
GPIO_5
D12
REXT
C14
LVB1M
C13
LVB1P
A13
LVB0M
B13
LVB0P
D7
GPIO_4
D9
GPIO_6
B12
LVA4M
A12
LVA4P
C12
LVA3M
C11
LVA3P
A11
LVACKM
B11
LVACKP
B10
LVA2M
A10
LVA2P
C10
LVA1M
C9
LVA1P
A9
LVA0M
B9
LVA0P
F10
AVDD_PLL
G8
GND_2
D11
GPIO_8
D13
GPIO_9
E11
GPIO_12
N7
GPIO[25]
D6
SCLM
D5
SDAM
A14
GPIO_1
B14
GPIO_2
D3
XIN
D4
XOUT
K16
GPIO_14
K15
GPIO_13
H7
GND_5
G11
AVDD_LVDS_2
B8
RO0N
A8
RO0P
C8
RO1N
C7
RO1P
A7
RO2N
B7
RO2P
B6
ROCKN
A6
ROCKP
C6
RO3N
C5
RO3P
A5
RO4N
B5
RO4P
H8
GND_6
F11
AVDD_LVDS_1
B4
RE0N
A4
RE0P
C4
RE1N
C3
RE1P
A3
RE2N
B3
RE2P
B2
RECKN
A2
RECKP
C2
RE3N
C1
RE3P
A1
RE4N
B1
RE4P
GND_9J7
GND_15
K9
0
R1106
0
R1105
1K
READY
READY
R1159
1K
R1160
1K
READY
READY
R1100
1K
R1158
+3.3V_MEMC
JP1100
JP1102
JP1101
URSA_DCK+
URSA_C-[4]
URSA_DCK-
URSA_C+[4]
URSA_C+[1]
URSA_D+[4]
URSA_D+[2]
URSA_D-[2]
URSA_D-[2]
URSA_C+[3]
URSA_C+[0]
URSA_C-[1]
URSA_CCK+
URSA_D-[4]
URSA_C-[0]
URSA_C-[3]
URSA_D-[1]
URSA_C+[2]
URSA_CCK-
URSA_D+[1]
URSA_D+[3]
URSA_D-[0]
URSA_D-[3]
URSA_C-[2]
URSA_D+[0]
URSA_A+[4]
URSA_A-[3]
URSA_A-[2]
URSA_A+[2]
URSA_A+[0]
URSA_B+[3]
URSA_ACK+
URSA_A+[3]
URSA_A-[0]
URSA_A-[4]
URSA_B-[4]
URSA_A+[1]
URSA_B-[3]
URSA_A-[1]
URSA_B+[4]
URSA_ACK-
URSA_B+[2]
URSA_B-[2]
URSA_B-[2]
URSA_B+[0]
URSA_B+[1]
URSA_BCK-
URSA_B-[1]
URSA_B-[0]
URSA_BCK+
100
R1107
100
R1108
MEMC_DQ[25]
MEMC_DQ[8]
MEMC_A[7]
MEMC_DQ[0]
MEMC_DQ[10]
MEMC_DQ[11]
MEMC_DQ[24]
MEMC_DQ[17]
MEMC_DQ[29]
MEMC_DQ[1]
MEMC_DQ[7]
MEMC_DQ[6]
MEMC_DQ[15]
MEMC_DQ[28]
MEMC_DQ[3]
MEMC_DQ[4]
MEMC_DQ[30]
MEMC_DQ[31]
MEMC_A[2]
MVREF
MEMC_A[4]
MEMC_A[12]
MEMC_DQ[9]
MEMC_A[11]
MEMC_DQ[18]
MEMC_DQ[12]
MEMC_A[10]
MEMC_DQ[5]
MEMC_A[0]
MEMC_DQ[19]
MEMC_DQ[13]
MEMC_DQ[14]
MEMC_A[3]
MEMC_DQ[27]
MEMC_DQ[21]
MEMC_A[1]
MEMC_A[6]
MEMC_DQ[2]
MEMC_DQ[20]
MEMC_DQ[23]
MEMC_DQ[16]
MEMC_DQ[16]
MEMC_A[8]
MEMC_A[9]
MEMC_DQ[26]
MEMC_DQ[22]
MEMC_A[5]
1 1 1 2
H6 LH90
2 0 0 9 / 0 3 / 0 4
MEMC
LOW
HIGH
SPI FLASH
I2C
SPI
HIGH
PWM0
HIGH
HIGH
LOW
PWM1
EEPROM
HIGH
HIGH
HIGH
C l o s e d t o I C 1 1 0 0
HIGH
XTAL
GPIO8
EAX61087201
Mstar LCD LH90
Mstar LCD LH90
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