LG 32LF550B Service Manual page 30

+3.3V_Normal
MODEL OPTION
OPT
R205 100
IF_AGC_SEL
OPT 100
R206
OPT 100
R207
R201 OPT 100
OPT
R202 100
R203 OPT 100
HDMI
C205
HDMI1_ARC
HDMI_ARC
1uF
D0-_HDMI4
D0+_HDMI4
D1-_HDMI4
D1+_HDMI4
D2-_HDMI4
D2+_HDMI4
CK-_HDMI4
CK+_HDMI4
CEC_REMOTE_S7
DDC_SCL_2
DDC_SDA_2
DDC_SCL_4
DDC_SDA_4
HPD2
HPD4
D0-_HDMI2
D0+_HDMI2
D1-_HDMI2
D1+_HDMI2
D2-_HDMI2
D2+_HDMI2
CK-_HDMI2
CK+_HDMI2
H/P OUT
HP_LOUT
HP_ROUT
SC1/COMP1_L_IN
AV2_L_IN
COMP2_L_IN
SC1/COMP1_R_IN
AV2_R_IN
AUDIO OUT
COMP2_R_IN
SCART1_Lout
SCART1_Rout
1uF 4.7uF
C203 C204
BLM18PG121SN1D
L201
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.
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
MODEL OPTION ("MO")
PIN NAME PIN NO. LOW
MODEL_OPT_0
J5 MO_FHD
MODEL_OPT_1
H19
MO_S/W_NON_AJ
MODEL_OPT_2 G20 MO_DVB_T/C
MODEL_OPT_3 G19
MO_M120_NON
MODEL_OPT_4
U6 DDR_EXT:256 or NON
MODEL_OPT_0
MODEL_OPT_1
MODEL_OPT_5
K5
MO_S/W_TW
MODEL_OPT_2
AUD_LRCH DDR_EXT:128 or NON
MODEL_OPT_6 K4
MODEL_OPT_4
MODEL_OPT_5 MODEL_OPT_7 L5 MO_DUALSTREAM_NON
MODEL_OPT_6
AUD_LRCK * Dual Stream is only Korea 3D spec
Memory OPTION
Memory
Auto
MODEL_OPT_4 MODEL_OPT_6
INT+EXT Det
128M Only 0 0 0
256M Only
1 0 0
0 1
128M+128M 0
128M+256M 0 0 1
256M+256M 1 0 1
M1A_256M
IC101
LGE2134(256M)
HDMI1_ARC M4 T6 TU_BUFFER TU_BUFFER
ARC0 CVBSOUT1
0 W7 V5 0.047uF C262 33 R251
R227
RXC0N CVBS0 AV2_OR_SCART
10 R225 Y8 U5 0.047uF C226 33 R241 AV2_OR_SCART
RXC0P CVBS1
10 R226 W8 T5 0.047uF C227 33 R242
RXC1N CVBS2
Y9 V4 0.047uF
RXC1P VCOM
AA9
RXC2N
W9 E4
RXC2P I2S_OUT_BCK/GPIO165
AA7 F4
RXCCKN I2S_OUT_MCK/GPIO163
Y7 F7
RXCCKP I2S_OUT_SD/GPIO166
N2 F5
CEC/GPIO6 I2S_OUT_WS/GPIO164
E3
DDCDA_CK/GPIO27
E2 C4
DDCDA_DA/GPIO28 USB0_DM
W6 Y12
DDCDC_CK/GPIO31 USB1_DM
AA6 B4
DDCDC_DA/GPIO32 USB0_DP
L4 AA12
HOTPLUGA/GPIO23 USB1_DP
Y6
HOTPLUGC/GPIO25
F1 J2
RXA0N BIN0M
0.047uF
G3 J3 C212 68 R228
RXA0P BIN0P
0.047uF
G1 K3
C213 33 R229
RXA1N GIN0M C214 0.047uF
G2 J1 68 R230
RXA1P GIN0P
C215 0.047uF
H3 K2 33
R231
RXA2N RIN0M 0.047uF
H2 K1
C216 68 R232
RXA2P RIN0P
0.047uF
F3 M6
C217 33 R233
RXACKN HSYNC0
F2 L6
SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU SCART_EU
RXACKP VSYNC0
SCART Option 12ea
U4 L2
EAR_OUTL BIN1M
T4 L3 C218 0.047uF 68 R234
EAR_OUTR BIN1P
P2 M1 C219 0.047uF
33 R235
AUL1 GIN1M
C220 0.047uF
R2 M2 68 R236
AUL2 GIN1P
C206 AV2 C221 0.047uF
2.2uF T1 N1 33
R237
AUL3 RIN1M
2.2uF C209
R3 N3 C222 0.047uF 68 R238
AUR1 RIN1P
R1 M3 C223 0.047uF
33 R239
2.2uF C207 AUR2 SOGIN1
AV2
T3 C224 1000pF
AUR3
2.2uF C211 U2
AUOUTL0
V3
AUOUTR0
T2
AUVAG
AUVRM
HIGH
Normal 2.5V
MO_HD
MO_S/W_AJ
M1A 2.5V embedded
MO_DVB_T2/C/S2
MO_M120
DDR_EXT : 128
MO_S/W_EU/AJ
DDR_EXT : 256
MO_DUALSTREAM
+3.3V_Normal
L204
BLM18PG121SN1D
DDR3 1.5V
+1.5V_DDR
DTV/MNT_VOUT
TU_CVBS
SC1/AV2_CVBS_IN
COMP2_Y+/AV_CVBS_IN
C228 R243 +3.3V_Normal
Close to MSTAR
68
I2S_I/F
AUD_SCK
AUD_MASTER_CLK_0
AUD_LRCH
AUD_LRCK
WIFI_DM
SIDE_USB1_DM
WIFI_DP
SIDE_USB1_DP
SC1_B+/COMP1_Pb+
WIFI_DM
SC1_G+/COMP1_Y+
WIFI_DP
SC1_R+/COMP1_Pr+
SC1_ID
SC1_FB
COMP2_Pb+
COMP2_Y+/AV_CVBS_IN
COMP2_Pr+
+1.10V_VDDC
VDDC 1.05V
VDDC : 2026mA
Normal Power 3.3V
VDD33
AVDD_AU33
+1.5V_DDR
AVDD_NODIE
AVDD_DDR0:55mA
VDD33
AVDD_NODIE
VDD33
AVDD_DMPLL
+1.10V_VDDC
+1.10V_VDDC
1uF
AVDD_DDR1:55mA
+1.10V_VDDC
VDD33
AVDD5V_MHL
IC101-*1
LGE2133(128M)
M1A_128M
IC101-*1
U3
AUVRM AVDD_AU33
A6
GND_1 AVDD_DDR0_CLK
LGE2133(128M) A13
GND_2 AVDD_DDR1_CLK
A15
GND_3 AVDD_DDR0_CMD
A18
GND_4 AVDD_DDR1_CMD
B12
GND_5 AVDD_DDR0_D_1
B14
GND_6 AVDD_DDR0_D_2
M1A_128M B16
GND_7 AVDD_DDR0_D_3
B17
M4 T6 GND_8 AVDD_DDR1_D_1
B19
GND_9 AVDD_DDR1_D_2
ARC0 CVBSOUT1 B20
GND_10 AVDD_DDR1_D_3
W7 V5 C9
GND_11 AVDD_DRAM_1
RXC0N CVBS0 C10
Y8 U5 GND_12 AVDD_DRAM_2
C21
GND_13 AVDD_DVI_USB_MPLL_1
RXC0P CVBS1 D9
GND_14 AVDD_DVI_USB_MPLL_2
W8 T5 E20
GND_15 AVDD_MOD_1
RXC1N CVBS2 F9
Y9 V4 GND_16 AVDD_MOD_2
F11
GND_17 AVDD_NODIE
RXC1P VCOM F13
GND_18 AVDD_PLL
AA9 F15
GND_19 AVDD3P3_DMPLL
RXC2N F17
GND_20 AVDDL_MOD
W9 E4 F19
GND_21 DVDD_DDR_1
RXC2P I2S_OUT_BCK/GPIO165 F21
GND_22 DVDD_DDR_2
AA7 F4 G8
GND_23 DVDD_NODIE
RXCCKN I2S_OUT_MCK/GPIO163 G9
GND_24 DVDD_RX_1_1
Y7 F7 G10
GND_25 DVDD_RX_1_2
RXCCKP I2S_OUT_SD/GPIO166 G11
N2 F5 GND_26 DVDD_RX_2_1
G12
GND_27 DVDD_RX_2_2
CEC/GPIO6 I2S_OUT_WS/GPIO164 G13
GND_28
E3 G14
DDCDA_CK/GPIO27 G15 GND_29
E2 C4 GND_30
G16
GND_31
DDCDA_DA/GPIO28 USB0_DM G17
GND_32
W6 Y12 G18
GND_33
DDCDC_CK/GPIO31 USB1_DM H7
AA6 B4 GND_34
H8
GND_35
DDCDC_DA/GPIO32 USB0_DP H9
GND_36
L4 AA12 H10
GND_37
HOTPLUGA/GPIO23 USB1_DP H11
Y6 GND_38 AVDD5V_MHL
H12
GND_39
HOTPLUGC/GPIO25 H13
GND_40
F1 J2 H14
GND_41
RXA0N BIN0M H15
G3 J3 H16 GND_42
GND_43
RXA0P BIN0P H17
GND_44
G1 K3 H18
GND_45
RXA1N GIN0M J7
GND_46
G2 J1 J8
GND_47
RXA1P GIN0P J9
GND_48
H3 K2 J10
GND_49
RXA2N RIN0M J11
GND_50
H2 K1 J12
GND_51
RXA2P RIN0P J13
F3 M6 GND_52
J14
GND_53
RXACKN HSYNC0 K8
GND_54
F2 L6 K10
RXACKP VSYNC0 K11 GND_55
GND_56
L10
GND_57
M5
GND_58
U4 L2 M7
GND_59
EAR_OUTL BIN1M M8
T4 L3 GND_60
M9
GND_61
EAR_OUTR BIN1P M10
GND_62
P2 M1 N4
GND_63
AUL1 GIN1M N5
R2 M2 GND_64
N6
GND_65
AUL2 GIN1P N7
GND_66
T1 N1 N8
GND_67
AUL3 RIN1M N9
R3 N3 N10 GND_68
GND_69
AUR1 RIN1P P4
GND_70
R1 M3 P5
GND_71
AUR2 SOGIN1 P6
GND_72
T3 P7
GND_73
AUR3 P9
GND_74
U2 P10
GND_75
AUOUTL0 P15
GND_76
V3 P16
GND_77
AUOUTR0 P17
T2 GND_78
P18
GND_79
AUVAG R10
GND_80
R11
R12 GND_81
GND_82
R13
GND_83
R14
GND_84
K7
GND_EFUSE
STby 3.5V
SOC_RESET +3.5V_ST
POWER_DET_RESET
+3.5V_ST
OPT
R248
470
OPT
C243 C248
4.7uF 4.7uF
10V 10V
SOC_RESET
C249
R249
470K 0.1uF
+1.10V_VDDC
M1A_256M
IC101
LGE2134(256M)
R4 U3
AUVRM
AVDD_AU33 AUVRM
L11 A6
AVDD_DDR0_CLK GND_1
L13 A13
AVDD_DDR1_CLK GND_2
M11 A15
AVDD_DDR0_CMD GND_3
K13 A18
AVDD_DDR1_CMD GND_4
C5 B12
AVDD_DDR0_D_1 GND_5
K12 B14
AVDD_DDR0_D_2 GND_6
L12 B16
AVDD_DDR0_D_3 GND_7
C6 B17
AVDD_DDR1_D_1 GND_8
K14 B19
AVDD_DDR1_D_2 GND_9
L14 B20
AVDD_DDR1_D_3 GND_10
B5 C9
AVDD_DRAM_1 GND_11
C10
B6
AVDD_DRAM_2 GND_12
R8 C21
AVDD_DVI_USB_MPLL_1 GND_13
R9 D9
AVDD_DVI_USB_MPLL_2 GND_14
L7 E20
AVDD_MOD_1 GND_15
L8 F9
AVDD_MOD_2 GND_16
P8 F11
AVDD_NODIE GND_17
K9 F13
AVDD_PLL GND_18
R5 F15
AVDD3P3_DMPLL GND_19
P11 F17
AVDDL_MOD GND_20
C7 F19
DVDD_DDR_1 GND_21
M13 F21
C250 DVDD_DDR_2 GND_22
R6 G8
DVDD_NODIE GND_23
A7 G9
DVDD_RX_1_1 GND_24
G10
M12
DVDD_RX_1_2 GND_25
B7 G11
DVDD_RX_2_1 GND_26
M14 G12
DVDD_RX_2_2 GND_27
N11 G13
VDDC_1 GND_28
N12 G14
VDDC_2 GND_29
N13 G15
VDDC_3 GND_30
N14 G16
VDDC_4 GND_31
N15 G17
VDDC_5 GND_32
P12 G18
VDDC_6 GND_33
P13 H7
VDDC_7 GND_34
P14 H8
VDDC_8 GND_35
L9 H9
VDDP GND_36
H10
GND_37
H11
AA10
AVDD5V_MHL GND_38
H12
GND_39
H13
GND_40
H14
GND_41
H15
GND_42
H16
GND_43
H17
R4
L11 GND_44
L13 H18
M11 GND_45
K13 J7
C5 GND_46
K12 J8
L12 GND_47
C6 J9
K14 GND_48
L14 J10
B5 GND_49
B6 J11
R8 GND_50
J12
R9
L7 GND_51
L8 J13
P8
GND_52
J14
K9
R5 GND_53
P11 K8
C7 GND_54
K10
M13
R6 GND_55
A7 K11
M12 GND_56
L10
B7
M14 GND_57
N11 M5
VDDC_1
N12 GND_58
VDDC_2 N13 M7
VDDC_3
N14 GND_59
VDDC_4
N15 M8
VDDC_5
P12 GND_60
VDDC_6
P13 M9
VDDC_7
P14 GND_61
VDDC_8
L9 M10
VDDP
GND_62
AA10 N4
GND_63
N5
GND_64
N6
GND_65
N7
GND_66
N8
GND_67
N9
GND_68
N10
GND_69
P4
GND_70
P5
GND_71
P6
GND_72
P7
GND_73
P9
GND_74
P10
GND_75
P15
GND_76
P16
GND_77
P17
GND_78
P18
GND_79
R10
GND_80
R11
GND_81
R12
GND_82
R13
GND_83
R14
GND_84
K7
GND_EFUSE
AVDD_NODIE
L206
BLM18PG121SN1D
C257
AVDD_DMPLL C253 C255
0.1uF
10uF 0.1uF
L207
BLM18PG121SN1D
+1.10V_VDDC +1.10V_VDDC
C251 C252
10uF 0.1uF
AVDD_AU33
C260 C261
C259
L205 0.1uF 0.1uF
10uF
BLM18PG121SN1D
10V
C258
C256 0.1uF
C254
10uF
0.1uF
L14_CA_M1A 140626
MAIN2_NON_EU
52
LGE Internal Use Only