Read LG 32LH70YD (CHASSIS:LJ91D) Service Manual online
[E1]
[D1]
[L9]
[N5]
[N4]
[N12]
[N13]
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.
2008.10.15
LVDS / Mstar FRC
BCM (BRAZIL VENUS)
URSA_DQ[28]
URSA_C4P
URSA_A[10]
URSA_C4M
URSA_DQ[14]
URSA_D1P
URSA_DQ[0-31]
URSA_DQ[4]
URSA_BCKM
URSA_A[1]
URSA_DQ[25]
URSA_DQ[18]
URSA_DQ[21]
URSA_A4M
URSA_BCKP
URSA_DQ[9]
URSA_B2P
URSA_DQ[6]
URSA_A[8]
URSA_B1M
URSA_B0M
URSA_B1P
URSA_B0P
URSA_A[3]
URSA_A4P
URSA_A3P
URSA_D3M
URSA_DCKM
URSA_DQ[5]
URSA_DQ[12]
URSA_DCKP
URSA_B2M
URSA_D2P
URSA_A[5]
URSA_D2M
URSA_DQ[3]
URSA_DQ[20]
URSA_DQ[26]
URSA_A3M
URSA_ACKM
URSA_DQ[31]
URSA_A2P
URSA_B4M
URSA_DQ[30]
URSA_DQ[0]
URSA_A[2]
URSA_DQ[7]
URSA_DQ[2]
URSA_A[11]
URSA_A[6]
URSA_C2P
URSA_C0P
URSA_A[7]
URSA_DQ[16]
URSA_DQ[27]
URSA_DQ[29]
URSA_DQ[10]
URSA_DQ[17]
URSA_DQ[19]
URSA_ACKP
URSA_A1M
URSA_A2M
URSA_A1P
URSA_A0P
URSA_A0M
URSA_C0M
URSA_C1P
URSA_C1M
URSA_DQ[11]
URSA_A[4]
URSA_DQ[22]
URSA_A[0]
URSA_DQ[15]
URSA_D4M
URSA_D4P
URSA_DQ[24]
URSA_D3P
URSA_D0M
URSA_D0P
URSA_DQ[8]
URSA_C2M
URSA_D1M
URSA_A[12]
URSA_B4P
URSA_DQ[23]
URSA_B3P
URSA_B3M
URSA_A[9]
URSA_DQ[13]
URSA_CCKP
URSA_C3P
URSA_CCKM
URSA_C3M
URSA_DQ[1]
URSA_C3P
URSA_A3P
URSA_C3M
URSA_A4P
URSA_B4M
URSA_D1P
URSA_B1P
URSA_A2M
URSA_BCKP
URSA_ACKM
URSA_B3P
URSA_A3M
URSA_B4P
URSA_A4M
URSA_D2M
URSA_A1M
URSA_D3P
URSA_A0M
URSA_DCKM
URSA_C2M
URSA_B0P
URSA_B0M
URSA_B2P
URSA_D4M
URSA_C0P
URSA_D0M
URSA_C4M
URSA_D1M
URSA_C4P
URSA_B1M
URSA_D0P
URSA_D2P
URSA_B2M
URSA_DCKP
URSA_C0M
URSA_C2P
URSA_C1P
URSA_A0P
URSA_C1M
URSA_A1P
URSA_BCKM
URSA_CCKP
URSA_A2P
URSA_D4P
URSA_CCKM
URSA_ACKP
URSA_B3M
URSA_D3M
R922
100
LVDS_TX_1_DATA0_N
LVDS_TX_1_DATA1_P
C946
15pF
FRC_XTAL_15PF
+3.3V_MEMC
R908
2.2K
OPT
LVDS_TX_1_DATA3_P
C
9
0
8
0
.
1
u
F
C933
10uF
URSA_BA0
LVDS_TX_0_DATA1_P
C923
0.1uF
L904
BLM18PG121SN1D
C916
10uF
LVDS_TX_0_DATA3_P
R946
56
LVDS_TX_1_DATA4_P
C953
0.1uF
C904
0.1uF
C924
1uF
URSA_DQM3
URSA_MCLKE
R909
0
C914
0.1uF
R939
1K
OPT
JP901
M_SPI_DO
+1.26V_MEMC
LVDS_TX_0_DATA3_N
R926
100
URSA_A[0-12]
R920
100
URSA_DQSB0
ISP_TXD_TR
A3
C
9
3
8
0.1uF
C
9
4
3
0
.
1
u
F
ISP_TXD_TR
B6
M_XTALO
C920
0.1uF
R924
100
C919
0.1uF
URSA_DQSB3
LVDS_TX_1_CLK_N
URSA_DQS2
C930
0.1uF
R918
100
+3.3V_MEMC
C921
0.1uF
C931
10uF
10V
+3.3V_MEMC
+3.3V_MEMC
C956
0.1uF
LVDS_TX_1_DATA3_N
C
9
5
1
0
.
1
u
F
R942
1K
L905
BLM18PG121SN1D
C
9
4
1
0
.
1
u
F
R931
820
URSA_DQM1
M_SPI_DO
C929
0
.
1
u
F
IC902
W25X20AVSNIG
3
WP
2
DO
4
GND
1
CS
5
DIO
6
CLK
7
HOLD
8
VCC
URSA_MCLKZ
C
9
4
8
0
.
1
u
F
URSA_DQM2
URSA_DQS1
M_SPI_CK
H3
LVDS_TX_0_DATA4_P
R925
100
LVDS_TX_1_DATA2_N
M_XTALI
L908
BLM18PG121SN1D
C957
0.1uF
ISP_RXD_TR
B6
R923
100
X901
12MHz
SCL3_3.3V
9:I4
URSA_WEZ
C
9
3
4
0.1uF
C909
10uF
+5.0V
C
9
3
2
0.1uF
URSA_MCLK
LVDS_TX_0_DATA4_N
L907
BLM18PG121SN1D
C947
15pF
L902
BLM18PG121SN1D
R915
1K
LVDS_TX_1_DATA1_N
R907
2.2K
OPT
LVDS_TX_1_DATA4_N
URSA_CASZ
ISP_RXD_TR
A3
M_XTALI
JP902
R938
1K
R917
100
R914
10K
R951
56
+3.3V_MEMC
C913
0.1uF
16V
+3.3V_MEMC
R952
56
URSA_BA1
LVDS_TX_0_DATA1_N
+3.3V_MEMC
C925
0.1uF
FRC_RESET
M_SPI_CZ
C910
10uF
C906
10uF
C
9
4
0
0
.
1
u
F
L906
BLM18PG121SN1D
C912
0.1uF
16V
LVDS_TX_1_DATA2_P
C927
0.1uF
+1.8V_MEMC
+3.3V_MEMC
C
9
3
9
0.1uF
R913
10K
LVDS_TX_0_DATA2_N
URSA_MCLK1
M_XTALO
LVDS_TX_0_DATA0_N
R916
1K
OPT
C952
10uF
C
9
1
7
0
.
1
u
F
LVDS_TX_1_CLK_P
C
9
4
9
0
.
1
u
F
M_SPI_DI
SDA3_3.3V
9:I4
C
9
3
7
0
.
1
u
F
URSA_ODT
R928
100
C922
0.1uF
+3.3V_MEMC
LVDS_TX_0_CLK_N
R912
100
LVDS_TX_0_DATA2_P
LVDS_TX_0_CLK_P
R927
100
R910
0
C
9
4
2
0
.
1
u
F
L903
BLM18PG121SN1D
C911
10uF
URSA_RASZ
LVDS_TX_1_DATA0_P
M_SPI_DI
H3
C944
1uF
URSA_DQSB2
URSA_DQSB1
C
9
4
5
0
.
1
u
F
C901
0.1uF
R943
1K
OPT
C
9
3
6
0.1uF
R911
100
C928
0.1uF
R929
1M
C
9
3
5
0
.
1
u
F
R947
10K
R930
0
M_SPI_CK
R945
56
C926
0.1uF
LVDS_TX_0_DATA0_P
URSA_DQ[0-31]
URSA_MCLKZ1
C
9
5
0
0
.
1
u
F
URSA_DQM0
C
9
5
8
0
.
1
u
F
M_SPI_CZ
R921
100
C918
0.1uF
R919
100
C955
0.1uF
URSA_DQS3
URSA_DQS0
C954
10uF
LVDS_SEL
R936
0
OPC_EN
OPC_OUT1
OPC_EN
R937
0
OPC_EN
R941
0 OPC_EN
R953
0
OPT
12V_TCON
R940
0
C960
1000pF
50V
L909
CB3216PA501E
PWM_DIM
C961
0.1uF
50V
BIT_SEL
R949
3.3K
OPT
R955
3.3K
P902
TJC2508-4A
1
2
3
4
P903
TF05-51S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
P904
TF05-41S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
IC901
LGE7329A
E1
SDAS
D1
SCLS
F1
GPIO[8]
G1
GPIO[9]
K8
GND_14
E5
VDDC_1
E2
GPIO[10]
F2
GPIO[11]
F3
GPIO[12]
G2
GPIO[13]
M4
GPIO[22]
M5
GPIO[23]
G3
GPIO[14]
E4
GPIO[15]
F4
GPIO[16]
G4
GPIO[17]
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]
H3
MDATA[17]
J1
MDATA[22]
J2
MDATA[27]
J3
MDATA[28]
K1
MDATA[25]
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
H10
GND_8
M1
DQS[3]
M2
DQSB[3]
L7
AVDD_DDR_5
M3
MDATA[31]
N1
MDATA[24]
J9
GND_11
N2
MDATA[26]
N3
MDATA[29]
L10
AVDD_DDR_6
P1
MDATA[23]
R1
MDATA[16]
T1
MDATA[18]
T2
MDATA[21]
R2
MCLK[0]
P2
MCLKZ[0]
G7
GND_1
L9
AVDD_MEMPLL
N5
MVREF
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_9
J7
GND_15 K9
12V_TCON
R954
3.3K
OPT
+3.3V_MEMC
R948
499
OPC_EN
R3029
0
0
1/16W
5%
5%
OPT
LVDS_SEL
9:G6;I5
R933
4.7K
C915
10uF
6.3V
C3019
10uF
6.3V
C907
10uF
C3020
10uF
C946-*1
20pF
FRC_XTAL_20PF
C947-*1
20pF
FRC_XTAL_20PF
7
15
HIGH
PI Result
EEPROM
HIGH
* XTAL
I2C
HIGH
* ISP Port for MEMC
LOW
PWM1
PI Result
HIGH
HIGH
HIGH
* SPI FLASH
SPI
PWM0
GPIO8
LOW
HIGH
PARK.S.W
22uF/16 CST PROBLEM
22uF/16 CST PROBLEM
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