LG 37LH50YD, Service Manual

Page: 23 / 66

[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.
URSA_ACKM
URSA_DQ[10]
URSA_D3M
URSA_B1M
URSA_D1M
URSA_A1M
URSA_DQ[9]
URSA_D4M
URSA_C2P
URSA_B2P
URSA_DQ[31]
URSA_CCKP
URSA_A2M
URSA_DQ[8]
URSA_A2P
URSA_DQ[25]
URSA_C2M
URSA_DQ[30]
URSA_A1P
URSA_A0P
URSA_C0M
URSA_CCKP
URSA_A1P
URSA_DQ[22]
URSA_C2P
URSA_C0P
URSA_A0M URSA_A0P
URSA_B1P
URSA_DQ[28]
URSA_DQ[24]
URSA_CCKM
URSA_DCKM
URSA_ACKP
URSA_D0M
URSA_DQ[15]
URSA_D3M
URSA_A0M
URSA_B4M
URSA_DQ[17]
URSA_C1P
URSA_B2P
URSA_DQ[7] URSA_DQ[13]
URSA_D4P
URSA_DCKM
URSA_B4P
URSA_B3P
URSA_A[8]
URSA_D3P
URSA_DQ[27]
URSA_C2M
URSA_D3P
URSA_DQ[19]
URSA_B1M
URSA_DQ[0-31]
URSA_B3M
URSA_C1M
URSA_A[2]
URSA_DCKP
URSA_B4P
URSA_BCKP
URSA_BCKM
URSA_DQ[20]
URSA_A[12]
URSA_D2M
URSA_BCKM
URSA_A[7] URSA_A[3]
URSA_D2P
URSA_B3M
URSA_C0M
URSA_B3P
URSA_C3P
URSA_A[10]
URSA_DQ[2]
URSA_C4M
URSA_D4M
URSA_A3M
URSA_DQ[0]
URSA_D0P
URSA_CCKM
URSA_A[0]
URSA_B4M
URSA_DQ[12]
URSA_A[9]
URSA_C4M
URSA_C4P
URSA_DQ[14]
URSA_C3M
URSA_D2M
URSA_DQ[3]
URSA_D0M
URSA_DQ[6]
URSA_D0P
URSA_A[6]
URSA_A4M
URSA_B2M
URSA_A4P
URSA_D1P
URSA_A[11]
URSA_BCKP
URSA_A[5]
URSA_B0M
URSA_DQ[21]
URSA_A[1]
URSA_C1M
URSA_B0M URSA_B1P
URSA_DQ[18]
URSA_DQ[1]
URSA_A3M
URSA_D1P
URSA_A[4]
URSA_DQ[16]
URSA_D1M
URSA_D2P
URSA_C4P
URSA_A2M
URSA_C1P
URSA_C3M
URSA_B0P
URSA_A1M
URSA_DQ[5] URSA_DQ[4]
URSA_B2M
URSA_ACKP
URSA_A2P
URSA_DQ[23]
URSA_A4P
URSA_DQ[26]
URSA_C0P
URSA_ACKM
URSA_C3P
URSA_DQ[29]
URSA_A4M
URSA_DQ[11]
URSA_DCKP
URSA_D4P
URSA_A3P
URSA_A3P
URSA_B0P
ME
R949 1K
MEMC_RXE0-
C909
22uF 16V
R951
10K
OPC_OUT1
URSA_DQS3
C
9
3
8
0
.
1
u
F
ME
M_SPI_CK
R952 10K
URSA_BA1
URSA_DQM3
R954
820
URSA_DQS1
MEMC_RXO0- MEMC_RXO3-
C924
1uF
C927 0.1uF
+3.3V_MEMC
L901
BLM18PG121SN1D
URSA_MCLK
C910 10uF
C906 1uF
R960
1K
OPT
C923
0.1uF
C914
10uF
+3.3V_MEMC
C
9
3
1
0
.
1
u
F
R950 1K
OPT
C
9
3
5
0.1uF
URSA_ODT
M_XTALO
C952
1000pF
URSA_MCLKE
C912
22uF
16V
URSA_DQ[0-31]
R953
0
ME
R947 56
+1.26V_MEMC
R948 56
MEMC_RXE2-
+3.3V_MEMC
C907
10uF
R925 56
+3.3V_MEMC
PWM_DIM
R926 56
C
9
1
8
0
.
1
u
F
M_XTALO
ME
C949
0.1uF
C
9
4
4
0
.
1
u
F
C
9
1
5
0
.
1
u
F
URSA_A[0-12]
C963
0.1uF
C948
0.1uF
C916
10uF
10V
MEMC_RXO1-
LVDS_SEL
URSA_RASZ
R964
1K
OPT
C961
0.1uF
16V
ME
R959
1K
C962
0.1uF
URSA_WEZ
L904
BLM18PG121SN1D
C901 10uF
+3.3V_MEMC
L906
BLM18PG121SN1D
M_SPI_CZ
URSA_DQM1
L900
BLM18PG121SN1D
URSA_DQSB2
ME
C953 0.1uF
C919 0.1uF
C950
0.1uF
M_XTALI
URSA_CASZ
M_XTALI
R994
10K
MEMC_RXE4-
L903
BLM18PG121SN1D
C947
0.1uF
+3.3V_MEMC
M_SPI_DI
C920 0.1uF
C926
0.1uF
URSA_DQS2
C960
0.1uF
16V
+3.3V_MEMC
C
9
4
1
0
.
1
u
F
C
9
4
5
0
.
1
u
F
C
9
3
4
0.1uF
URSA_DQSB0
C908
10uF
10V
AFLC_EN
C
9
3
9
0
.
1
u
F
MEMC_RXOC- ME
C922 0.1uF
BIT_SEL
+1.8V_MEMC
PANEL_POWER
C
9
0
4
0
.
1
u
F
C942 0.1uF
M_SPI_DI
ME
URSA_DQM2
C
9
3
3
0.1uF
M_SPI_CK
M_SPI_CZ
LVDS_SEL
MEMC_SDA
MEMC_RXE1-
R992 100
C
9
3
2
0.1uF
MEMC_RXEC-
C
9
3
6
0.1uF
L907
CB3216PA501E
C955
0.1uF
C
9
3
0
0
.
1
u
F
R963
1K
L905
BLM18PG121SN1D
URSA_DQS0
URSA_MCLK1
C
9
0
3
0
.
1
u
F
C913
10uF
+3.3V_MEMC
MEMC_RXE3-
C929
0.1uF
ME
C928 0.1uF
C917
10uF
C951
10uF
16V
R993
100
ME
C911
10uF
C
9
3
7
0
.
1
u
F
MEMC_SCL
OPC_OUT2
+3.3V_MEMC
C905 10uF
MEMC_RXO4-
L902
BLM18PG121SN1D
C925
0.1uF
ME
URSA_DQSB3
MEMC_RXO2-
IC902
W25X20AVSNIG
3
WP
2
DO
4
GND
1
CS
5
DIO
6
CLK
7
HOLD
8
VCC
AFLC_EN
+3.3V_MEMC
C943
0.1uF
C954
0.1uF
URSA_BA0
URSA_MCLKZ1
C956
0.1uF
URSA_DQSB1
R927 10K
M_SPI_DO
URSA_MCLKZ
URSA_DQM0
+3.3V_MEMC
ME
MEMC_RESET
X900
12MHz
OPC_EN
M_SPI_DO
C921 0.1uF
R934 1M
C902
15pF
C900
15pF
R935
100
R939
100
R942
100
R945
100
R930
100
R946
100
R929
100
R938
100
R931
100
R943
100
R936
100
R928
100
R965
22
R966
22
R969
22
R974 22
Scanning
R982
OPT
R970
OPT
R980
OPT
R986
OPT
R984
OPT
R985
OPT
R981
OPT
R973
OPT
R971
OPT
R979
0
R983
OPT
R975
0
Non_Scanning
R955
OPT
R987
OPT
R988
OPT
R989
OPT
R972
510
OPC_EN_PULL_UP
R
9
7
8
3
.
3
K
OPT
R905
1K
R903
1K
R902
1K
OPT
+3.3V_MEMC
R904
1K
OPT
R901 100
P900
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
P901
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
IC900
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
R968 OPT
R967 OPT
MST7323S(FRC) MAIN
11
9
EAX60148002-0(LH50) 2009.01.19
PI Result
Placed on SMD-TOP
LOW
Placed on SMD-TOP
HIGH
HIGH
I2C
EEPROM
GPIO8
SPI
HIGH
HIGH
HIGH
HIGH HIGH
SPI FLASH
XTAL
LOW
PWM1 PWM0
PI Result
GPIO12 GPIO14
Non M+S LVDS LOW LOW
M+S 42" Mini LVDS LOW HIGH
M+S 47" Mini LVDS HIGH LOW
M+S 37" Mini LVDS HIGH HIGH
$5
$0.155
$0.087
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and servcie purposes
LGE Internal Use Only