LG 49LF550T, Service Manual

Page: 35 / 77

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2014/05/20
2
MAIN2_EU
L14_CA_M1A
+3.5V_ST
R206
1K
MO_M120
+3.3V_Normal
MODEL_OPT_4
R209
1K
MO_DVB_T/C
MODEL_OPT_0
R212
1K
MO_S/W_NON_AJ
+3.5V_ST
C279
0.1uF
16V
MODEL_OPT_2
R294
1K
DDR_EXT:128 or NON
MODEL_OPT_5
+1.10V_VDDC
R224
1K
MO_S/W_TW/CN
R226
1K
MO_HD
C209
0.1uF
16V
MODEL_OPT_1
SOC_RESET
IF_AGC_SEL
R211
1K
MO_S/W_AJ
MODEL_OPT_6
C201
0.1uF
16V
R291
1K
DDR_EXT:256
R290
1K
MO_DUALSTREAM
R222
1K
MO_S/W_EU/AJ
R227
1K
MO_FHD
AUD_LRCH
C283
0.1uF
16V
R208
1K
MO_DVB_T2/C/S2
L206
BLM18PG121SN1D
VDD33
R266
470
OPT
C235
0.1uF
16V
+1.10V_VDDC +1.10V_VDDC
L204
BLM18PG121SN1D
R207
1K
MO_M120_NON
R293
1K
MO_DUALSTREAM_NON
C245
0.1uF
16V
R201
100
OPT
R221
1K
DDR_EXT:128
C252
0.1uF
16V
AUD_LRCK
R223
1K
DDR_EXT:256 or NON
POWER_DET_RESET
C286
0.1uF
16V
R217
0
AVDD_DMPLL
C205
0.1uF
16V
L207
BLM18PG121SN1D
C202
4.7uF
10V
OPT
C200
4.7uF
10V
C277
1uF
10V
C280
1uF
10V 10uF
10V
C228
10uF
10V
C275
10uF
10V
C296
C254
1uF
10V
C207
0.1uF
16V
10uF
10V
C278 C248
0.1uF
16V
C266
0.1uF
16V
R230 100
OPT
R228 100
OPT
R204 100
OPT
R225 100
OPT
R229 100
OPT
+1.10V_VDDC
AVDD_AU33
AVDD_NODIE
AVDD_DMPLL
D1+_HDMI2
CK-_HDMI2
CEC_REMOTE_S7
DDC_SCL_4
D2-_HDMI4
D1-_HDMI4
HPD2
DDC_SDA_4
D0-_HDMI2
D0-_HDMI4
D2-_HDMI2
D1-_HDMI2
D1+_HDMI4
CK+_HDMI2
D2+_HDMI2
D0+_HDMI2
D0+_HDMI4
HPD4
D2+_HDMI4
DDC_SCL_2
DDC_SDA_2
CK-_HDMI4
CK+_HDMI4
C212 1uF
HDMI1_ARC
HDMI_ARC
R231 0
HDMI1_ARC
HP_ROUT
HP_LOUT
R244 33
CHINA
C238 0.047uF
TU_CVBS
C242
1000pF
OPT
50V
/AV_CVBS_IN
C236 0.047uF
CHINA
SC1/AV2_CVBS_IN
C237 0.047uF
SCART/AV2
R246 33
R245 33
SCART/AV2
R247 68 C239 0.047uF
DTV/MNT_VOUT
AUD_SCK
AUD_LRCH
AUD_LRCK
SIDE_USB1_DP
SIDE_USB1_DM
SCART1_Lout
SCART1_Rout
C213
1uF
C220
4.7uF
C219 2.2uF
COMP2_L_IN
COMP2_R_IN
C216 2.2uF
C214 2.2uF EU
SC1/COMP1_L_IN
C217 2.2uF EU
SC1/COMP1_R_IN
C234 1000pF
OPT
/AV_CVBS_IN
R241 33
R238 68
R239 33
C233 0.047uF R243 33
R242 68
C230 0.047uF
C231 0.047uF
C229 0.047uF
C227 0.047uF
C
R240 68
C232 0.047uF
C
SC1_B+/C
R235 33
EU
R234 68 EU
C226 0.047uF
EU
SC1_R+/C
C223 0.047uF EU
C222 0.047uF
EU
R233 33
EU
R236 68
EU
C225 0.047uF
EU
R232 68
EU
C224 0.047uF
EU
C221 0.047uF
EU
SC1_G+/
R237 33
EU
SC1_ID
SC1_FB
AVDD5V_MHL
R202
100
OPT
+1.5V_DDR
C260
1uF
10V
VDD33
AVDD_NODIE
VDD33
+1.10V_VDDC
VDD33
AVDD_AU33
L208
BLM18PG121SN1D
C241
0.1uF
16V
C240
0.1uF
16V
R214 10
R215 10
10uF
10V
C287
10uF
10V
C288
10uF
10V
C289
AUVRM
AUVRM
+1.10V_VDDC
+1.10V_VDDC
R200
470K
C210
0.1uF
16V
AV2_R_IN
AV2_L_IN
C203 2.2uF AV2
C206 2.2uF AV2
+1.5V_DDR +3.3V_Normal
C255
0.1uF
16V
C259
0.1uF
16V
L214
BLM18PG121SN1D
R295 0
AUD_MASTER_CLK
C208
15pF
50V
OPT
R210
10K
OPT
R218
10K
OPT
R213
10K
OPT
R216
10K
OPT
+3.3V_Normal
R203
100
OPT
10uF
10V
C204
10uF
10V
C284
C211
1000pF
50V
ATV_1000P
C215
1000pF
50V
ATV_1000P
IC101-*1
LGE2133(128M)
M1A_128M_UO4
ARC0
M4
RXC0N
W7
RXC0P
Y8
RXC1N
W8
RXC1P
Y9
RXC2N
AA9
RXC2P
W9
RXCCKN
AA7
RXCCKP
Y7
CEC/GPIO6
N2
DDCDA_CK/GPIO27
E3
DDCDA_DA/GPIO28
E2
DDCDC_CK/GPIO31
W6
DDCDC_DA/GPIO32
AA6
HOTPLUGA/GPIO23
L4
HOTPLUGC/GPIO25
Y6
RXA0N
F1
RXA0P
G3
RXA1N
G1
RXA1P
G2
RXA2N
H3
RXA2P
H2
RXACKN
F3
RXACKP
F2
EAR_OUTL
U4
EAR_OUTR
T4
AUL1
P2
AUL2
R2
AUL3
T1
AUR1
R3
AUR2
R1
AUR3
T3
AUOUTL0
U2
AUOUTR0
V3
AUVAG
T2
CVBSOUT1
T6
CVBS0
V5
CVBS1
U5
CVBS2
T5
VCOM
V4
I2S_OUT_BCK/GPIO165
E4
I2S_OUT_MCK/GPIO163
F4
I2S_OUT_SD/GPIO166
F7
I2S_OUT_WS/GPIO164
F5
USB0_DM
C4
USB1_DM
Y12
USB0_DP
B4
USB1_DP
AA12
BIN0M
J2
BIN0P
J3
GIN0M
K3
GIN0P
J1
RIN0M
K2
RIN0P
K1
HSYNC0
M6
VSYNC0
L6
BIN1M
L2
BIN1P
L3
GIN1M
M1
GIN1P
M2
RIN1M
N1
RIN1P
N3
SOGIN1
M3
IC101-*1
LGE2133(128M)
M1A_128M_UO4
AUVRM
U3
GND_1
A6
GND_2
A13
GND_3
A15
GND_4
A18
GND_5
B12
GND_6
B14
GND_7
B16
GND_8
B17
GND_9
B19
GND_10
B20
GND_11
C9
GND_12
C10
GND_13
C21
GND_14
D9
GND_15
E20
GND_16
F9
GND_17
F11
GND_18
F13
GND_19
F15
GND_20
F17
GND_21
F19
GND_22
F21
GND_23
G8
GND_24
G9
GND_25
G10
GND_26
G11
GND_27
G12
GND_28
G13
GND_29
G14
GND_30
G15
GND_31
G16
GND_32
G17
GND_33
G18
GND_34
H7
GND_35
H8
GND_36
H9
GND_37
H10
GND_38
H11
GND_39
H12
GND_40
H13
GND_41
H14
GND_42
H15
GND_43
H16
GND_44
H17
GND_45
H18
GND_46
J7
GND_47
J8
GND_48
J9
GND_49
J10
GND_50
J11
GND_51
J12
GND_52
J13
GND_53
J14
GND_54
K8
GND_55
K10
GND_56
K11
GND_57
L10
GND_58
M5
GND_59
M7
GND_60
M8
GND_61
M9
GND_62
M10
GND_63
N4
GND_64
N5
GND_65
N6
GND_66
N7
GND_67
N8
GND_68
N9
GND_69
N10
GND_70
P4
GND_71
P5
GND_72
P6
GND_73
P7
GND_74
P9
GND_75
P10
GND_76
P15
GND_77
P16
GND_78
P17
GND_79
P18
GND_80
R10
GND_81
R11
GND_82
R12
GND_83
R13
GND_84
R14
GND_EFUSE
K7
AVDD_AU33
R4
AVDD_DDR0_CLK
L11
AVDD_DDR1_CLK
L13
AVDD_DDR0_CMD
M11
AVDD_DDR1_CMD
K13
AVDD_DDR0_D_1
C5
AVDD_DDR0_D_2
K12
AVDD_DDR0_D_3
L12
AVDD_DDR1_D_1
C6
AVDD_DDR1_D_2
K14
AVDD_DDR1_D_3
L14
AVDD_DRAM_1
B5
AVDD_DRAM_2
B6
AVDD_DVI_USB_MPLL_1
R8
AVDD_DVI_USB_MPLL_2
R9
AVDD_MOD_1
L7
AVDD_MOD_2
L8
AVDD_NODIE
P8
AVDD_PLL
K9
AVDD3P3_DMPLL
R5
AVDDL_MOD
P11
DVDD_DDR_1
C7
DVDD_DDR_2
M13
DVDD_NODIE
R6
DVDD_RX_1_1
A7
DVDD_RX_1_2
M12
DVDD_RX_2_1
B7
DVDD_RX_2_2
M14
VDDC_1
N11
VDDC_2
N12
VDDC_3
N13
VDDC_4
N14
VDDC_5
N15
VDDC_6
P12
VDDC_7
P13
VDDC_8
P14
VDDP
L9
AVDD5V_MHL
AA10
IC101
LGE2134(256M)
M1A_256M_UO4
AUVRM
U3
GND_1
A6
GND_2
A13
GND_3
A15
GND_4
A18
GND_5
B12
GND_6
B14
GND_7
B16
GND_8
B17
GND_9
B19
GND_10
B20
GND_11
C9
GND_12
C10
GND_13
C21
GND_14
D9
GND_15
E20
GND_16
F9
GND_17
F11
GND_18
F13
GND_19
F15
GND_20
F17
GND_21
F19
GND_22
F21
GND_23
G8
GND_24
G9
GND_25
G10
GND_26
G11
GND_27
G12
GND_28
G13
GND_29
G14
GND_30
G15
GND_31
G16
GND_32
G17
GND_33
G18
GND_34
H7
GND_35
H8
GND_36
H9
GND_37
H10
GND_38
H11
GND_39
H12
GND_40
H13
GND_41
H14
GND_42
H15
GND_43
H16
GND_44
H17
GND_45
H18
GND_46
J7
GND_47
J8
GND_48
J9
GND_49
J10
GND_50
J11
GND_51
J12
GND_52
J13
GND_53
J14
GND_54
K8
GND_55
K10
GND_56
K11
GND_57
L10
GND_58
M5
GND_59
M7
GND_60
M8
GND_61
M9
GND_62
M10
GND_63
N4
GND_64
N5
GND_65
N6
GND_66
N7
GND_67
N8
GND_68
N9
GND_69
N10
GND_70
P4
GND_71
P5
GND_72
P6
GND_73
P7
GND_74
P9
GND_75
P10
GND_76
P15
GND_77
P16
GND_78
P17
GND_79
P18
GND_80
R10
GND_81
R11
GND_82
R12
GND_83
R13
GND_84
R14
GND_EFUSE
K7
AVDD_AU33
R4
AVDD_DDR0_CLK
L11
AVDD_DDR1_CLK
L13
AVDD_DDR0_CMD
M11
AVDD_DDR1_CMD
K13
AVDD_DDR0_D_1
C5
AVDD_DDR0_D_2
K12
AVDD_DDR0_D_3
L12
AVDD_DDR1_D_1
C6
AVDD_DDR1_D_2
K14
AVDD_DDR1_D_3
L14
AVDD_DRAM_1
B5
AVDD_DRAM_2
B6
AVDD_DVI_USB_MPLL_1
R8
AVDD_DVI_USB_MPLL_2
R9
AVDD_MOD_1
L7
AVDD_MOD_2
L8
AVDD_NODIE
P8
AVDD_PLL
K9
AVDD3P3_DMPLL
R5
AVDDL_MOD
P11
DVDD_DDR_1
C7
DVDD_DDR_2
M13
DVDD_NODIE
R6
DVDD_RX_1_1
A7
DVDD_RX_1_2
M12
DVDD_RX_2_1
B7
DVDD_RX_2_2
M14
VDDC_1
N11
VDDC_2
N12
VDDC_3
N13
VDDC_4
N14
VDDC_5
N15
VDDC_6
P12
VDDC_7
P13
VDDC_8
P14
VDDP
L9
AVDD5V_MHL
AA10
IC101
LGE2134(256M)
M1A_256M_UO4
ARC0
M4
RXC0N
W7
RXC0P
Y8
RXC1N
W8
RXC1P
Y9
RXC2N
AA9
RXC2P
W9
RXCCKN
AA7
RXCCKP
Y7
CEC/GPIO6
N2
DDCDA_CK/GPIO27
E3
DDCDA_DA/GPIO28
E2
DDCDC_CK/GPIO31
W6
DDCDC_DA/GPIO32
AA6
HOTPLUGA/GPIO23
L4
HOTPLUGC/GPIO25
Y6
RXA0N
F1
RXA0P
G3
RXA1N
G1
RXA1P
G2
RXA2N
H3
RXA2P
H2
RXACKN
F3
RXACKP
F2
EAR_OUTL
U4
EAR_OUTR
T4
AUL1
P2
AUL2
R2
AUL3
T1
AUR1
R3
AUR2
R1
AUR3
T3
AUOUTL0
U2
AUOUTR0
V3
AUVAG
T2
CVBSOUT1
T6
CVBS0
V5
CVBS1
U5
CVBS2
T5
VCOM
V4
I2S_OUT_BCK/GPIO165
E4
I2S_OUT_MCK/GPIO163
F4
I2S_OUT_SD/GPIO166
F7
I2S_OUT_WS/GPIO164
F5
USB0_DM
C4
USB1_DM
Y12
USB0_DP
B4
USB1_DP
AA12
BIN0M
J2
BIN0P
J3
GIN0M
K3
GIN0P
J1
RIN0M
K2
RIN0P
K1
HSYNC0
M6
VSYNC0
L6
BIN1M
L2
BIN1P
L3
GIN1M
M1
GIN1P
M2
RIN1M
N1
RIN1P
N3
SOGIN1
M3
AVDD_NODIE
WIFI_DM
WIFI_DP
WIFI_DP
WIFI_DM
MODEL OPTION
MODEL OPTION
1
Normal Power 3.3V
HIGH
MO_S/W_NON_AJ
DDR3 1.5V
MO_M120
MODEL_OPT_5
1
MO_M120_NON
SOC_RESET
0
PIN NAME
J5
Memory OPTION
MODEL_OPT_6
U6
MO_DVB_T/C
PIN NO.
0
MO_FHD
Memory
VDDC 1.05V
MO_DVB_T2/C/S2
MODEL_OPT_4
128M Only
MO_HD
STby 3.5V
G19
0
256M Only
0
K4
L5
Auto
Det
MODEL_OPT_6
128M+128M
VDDC : 2026mA
K5
G20
LOW
MO_S/W_AJ
MODEL_OPT_1
MODEL_OPT_0
0 128M+256M
* Dual Stream is only Korea 3D spec
MODEL_OPT_2
H19
0
MO_DUALSTREAM MO_DUALSTREAM_NON
AVDD_DDR0:55mA
HDMI
H/P OUT
Close to MSTAR
I2S_I/F
AUDIO OUT
MO_S/W_TW/CN MO_S/W_EU/AJ
INT+EXT
MODEL_OPT_4
0
0
0
1
AUD_LRCH
AUD_LRCK
1
0
0
0
Country Option
1 AJ
MODEL_OPT_5
EU
TW
MODEL_OPT_1
CN
1
0
1
1 0 1 256M+256M
DDR_EXT : 256 DDR_EXT:128 or NON
DDR_EXT:256 or NON DDR_EXT : 128
AVDD_DDR1:55mA
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Only for training and service purposes
LGE Internal Use Only