LG 37LV470S Service Manual page 17

+3.3V_Normal
MODEL OPTION
BCM
external
NO_FRC internal LG FRC2
URSA5
FRC
MODEL_OPT_0
0 0 1 1
MODEL_OPT_1
0 1 0 1
HIGH LOW
MODEL_OPT_2 FHD HD
MODEL_OPT_3 OLED LCD
MODEL_OPT_4 DDR speed 1333 1600
MODEL_OPT_5 T2 Tuner Support Not Support
MODEL_OPT_6 S Tuner Support Not Support
MODEL_OPT_7 PHM Enable Disable
+3.3V_Normal
R287
10K
WIFI
SIDE_USB_OCD1
R286
10K
WIFI
SIDE_USB_OCD2
PCM_TS_DATA[0-7]
OPT
R201 0
FE_TS_DATA[0-7] F/NIM_EU_CN
R202
TU_TS_CLK
0
FE_TS_DATA[0]
FE_TS_DATA[1] R203
FE_TS_DATA[2] R204
FE_TS_DATA[3] R205
FE_TS_DATA[4] R206
FE_TS_DATA[5] R207
FE_TS_DATA[6] R208
FE_TS_DATA[7] R209
CHBO_TS_CLK
CHBO_TS_SERIAL
CHBO_TS_SYNC
CHBO_TS_VAL_ERR
PCM_MDI[0-7]
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.
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+0.9V_CORE
C225
C221 C223
0.22uF
0.1uF 0.01uF
6.3V
MODEL_OPT_0
MODEL_OPT_1
MODEL_OPT_2
MODEL_OPT_3
MODEL_OPT_4
MODEL_OPT_5
MODEL_OPT_6
MODEL_OPT_7
C203
10uF
10V
close to soc
IC101
LGE35230(BCM35230KFSBG)
Non_CHB
R212
NON_BCM_CAP
F26 C17 1K
EPHY_VREF VI_IFP0
D26 B17
EPHY_RDAC VI_IFM0
D15
R211
VDDR_AGC
6.04K
F27
EPHY_TDP
EPHY_TDP closed to soc
F28 B16
EPHY_TDN EPHY_TDN AGC_SDM_2
E27 A16
R213
EPHY_RDP
EPHY_RDP AGC_SDM_1
E26
C216
EPHY_RDN EPHY_RDN
A15
GPIO_0
C16
GPIO_1
F5 G28
USB_MONCDR GPIO_2
E5 G26
USB_RREF GPIO_3
C201
R210
+3.3V_Normal
100pF 4.87K
1% C2
OPT
SIDE_USB_DM USB_PORT1DN
D1 W14
SIDE_USB_DP USB_PORT1DP PCI_VIO_0
W15
PCI_VIO_1
E1 W13
USB_PWRFLT_1/GPIO PCI_VIO_2
D2
SIDE_USB_CTL1
USB_PWRON_1/GPIO
B1 J5
R280
WIFI_DM USB_PORT2DN GPIO_4
22
C1 R5
WIFI_DP USB_PORT2DP GPIO_5
V6
GPIO_6
C3 H6
USB_PWRFLT_2/GPIO GPIO_7
C4 AE15
SIDE_USB_CTL2
USB_PWRON_2/GPIO GPIO_70
AF15
GPIO_71
AG15
R214
GPIO_72
M4 AF16
R215
PCM_TS_CLK TCLKA/GPIO GPIO_73
L5 AD16
PCM_TS_DATA[0] R281
TDATA_0/GPIO GPIO_74
M5 AE16 R282
PCM_TS_DATA[1]
TDATA_1/GPIO GPIO_75
L6 AG17
PCM_TS_DATA[2] R216
TDATA_2/GPIO GPIO_76
N3 AH17
PCM_TS_DATA[3]
TDATA_3/GPIO GPIO_77
N1 AE17
PCM_TS_DATA[4]
TDATA_4/GPIO GPIO_78
N2 AD17
PCM_TS_DATA[5]
TDATA_5/GPIO GPIO_79
M3
PCM_TS_DATA[6]
TDATA_6/GPIO
M2
PCM_TS_DATA[7]
TDATA_7/GPIO
L4 AB13
PCM_TS_SYNC
TSTRTA/GPIO PCI_AD05
N4 AC15
PCM_TS_VAL TVLDA/GPIO PCI_AD06
AB12
PCI_AD07
K6 AB11
TCLKD/GPIO PCI_AD08
J4 AE14
TDATD_0/GPIO PCI_AD09/GPIO
K5 AG13
0 F/NIM_EU_CN
TDATD_1/GPIO PCI_AD10/GPIO
F/NIM_EU_CN
J2 AH13
0
TDATD_2/GPIO PCI_AD11/GPIO
J3 AF13
0 F/NIM_EU_CN
TDATD_3/GPIO PCI_AD12/GPIO
F/NIM_EU_CN K2 AE13
0
TDATD_4/GPIO PCI_AD13/GPIO
K1 AD12
0 F/NIM_EU_CN R218
TDATD_5/GPIO PCI_AD14/GPIO
F/NIM_EU_CN K3 AF12
0
TDATD_6/GPIO PCI_AD15/GPIO
L1 AG10
0 F/NIM_EU_CN
TDATD_7/GPIO PCI_AD16/GPIO
L3 AF10
TU_TS_SYNC R220
TSTRTD/GPIO PCI_AD17/GPIO
L2 AE10
TS_VAL_ERR
TVLDD/GPIO PCI_AD18/GPIO
AD10
PCI_AD19/GPIO
AE9
R221
PCI_AD20/GPIO
P4 AE8
R222
PCM_MCLKI MPEG_CLK/GPIO PCI_AD21/GPIO
T2 AC10
PCM_MDI[0]
MPEG_D_0/GPIO PCI_AD22
R3 AC11
PCM_MDI[1]
MPEG_D_1/GPIO PCI_AD23
R2 AC8
PCM_MDI[2]
MPEG_D_2/GPIO PCI_AD24
P3 AB8
PCM_MDI[3]
MPEG_D_3/GPIO PCI_AD25
P2
PCM_MDI[4]
MPEG_D_4/GPIO
P1 AC14
PCM_MDI[5]
MPEG_D_5/GPIO PCI_CBE00
R6 AG12
PCM_MDI[6] R283
MPEG_D_6/GPIO PCI_CBE01/GPIO
N5 AH10 22
PCM_MDI[7]
MPEG_D_7/GPIO PCI_CBE02/GPIO
T4 AB7
PCM_MISTRT
MPEG_SYNC/GPIO PCI_CBE03
P5
PCM_MIVAL_ERR MPEG_DATA_EN/GPIO
AG11
R223
PCI_DEVSELB/GPIO
AD11 R284
PCI_FRAMEB/GPIO
R4 AE11
R224
MCIF_RESET/GPIO PCI_IRDYB/GPIO
U1 AD13
MCIF_SCLK/GPIO PCI_PAR/GPIO
T3 AE12
R235
MCIF_SCTL/GPIO PCI_PERRB/GPIO
T1 AC12
R225
/PCM_IRQA MCIF_SDI/GPIO PCI_REQ1B
T5 AC13
R226
MCIF_SDO/GPIO PCI_SERRB/GPIO
AH11
R285
PCI_STOPB/GPIO
AF11
R227
PCI_TRDYB/GPIO
POWER 2.5V
+2.5V_BCM35230
L202
BLM18PG121SN1D
+0.9V_CORE
NFM18PS105R0J NFM18PS105R0J C249
C233 C204 10uF
10V
6.3V 6.3V
C247
IN OUT IN OUT 22uF
GND GND
+2.5V_BCM35230
BLM18PG121SN1D
+3.3V_Normal
NFM18PS105R0J
C244
C251
6.3V
0.1uF
16V
C232 C234 C236 C238 IN OUT C248
4.7uF 0.1uF 0.1uF 4.7uF 10uF
GND
10V 10V 10V
+1.5V_DDR
C205 C207 C209 C211 C213 C215 C220 C222
10uF 4.7uF 4.7uF 0.1uF 0.1uF 0.01uF 0.1uF 0.01uF
10V 10V
10V
+2.5V_BCM35230
BLM18PG121SN1D
C250
4.7uF
10V
C217
16V
100
0.1uF
R241
+3.3V_Normal
IF_P
L201
C218
100
0.1uF BLM18PG121SN1D
R242
16V
IF_N
+3.3V_Normal
C229
0.1uF
2K
IF_AGC R233 R234
1.2K 1.2K
0.01uF
SDA1_3.3V
SCL1_3.3V
3D_SYNC C227 C231
NON_NTP 33pF 33pF NON_NTP
50V 50V
M_REMOTE_RX
MODEL_OPT_0
CI_DET
M_RFModule_RESET
EPHY_ACTIVITY
EPHY_LINK
22 +3.3V_Normal
DTV_ATV_SELECT
22
RF_SWITCH_CTL_2 +1.5V_DDR
22
R240
MODEL_OPT_1
22 2.7K
MODEL_OPT_2
Place Cap
22
MODEL_OPT_3
Very close to R22 Ball
R228 22
PWM_DIM
R230 22
L/DIM0_VS
BCM_L/DIM
INSTANT_MODE
+3.3V_Normal
R231-*1 0
SC_DET/COMP2_DET
FRC2_RESET
CHB_RESET
R231 100
FRC_RESET
URSA_RESET
TW9910_RESET
AV2_CVBS_DET Place Cap
22 Very close to R22 Ball
RF_BOOSTER_CTL
C242
DSUB_DET
0.1uF
PCM_RST
22
MODEL_OPT_4
DC_MREMOTE
DD_MREMOTE
22 BCM_L/DIM
L/DIM0_MOSI
22 BCM_L/DIM
L/DIM0_SCLK
COMP1_DET
MODEL_OPT_5
22
3D_GPIO_0 +3.3V_Normal
22
MODEL_OPT_6
22
MODEL_OPT_7
100
ERROR_OUT
0 OPT
22
RF_SWITCH_CTL
22
3D_GPIO_1
22
3D_GPIO_2
+2.5V_BCM35230 ADAC_AVDD25
AADC_AVDD25
L205
BLM18PG121SN1D
C253 C256 C258
10uF 0.1uF 0.1uF
C261 C263 C267 C271
10V
10uF 4.7uF 0.1uF 0.01uF
10V
EPHY_VDD25 +2.5V_BCM35230
L203
C259 C260 C262 C266 C270 C272
C252 C255
10uF 4.7uF 10uF 4.7uF 0.1uF 0.01uF
4.7uF 0.1uF
10V 10V
+2.5V_BCM35230 VAFE2_VDD25
L206
BLM18PG121SN1D
C265 C269
4.7uF 0.1uF
+2.5V_BCM35230
VAFE3_VDD25 PLL_VAFE_AVDD25
L204 L207
BLM18PG121SN1D
C254 C257 C264 C268
4.7uF 0.1uF 4.7uF 0.1uF
IC101
+0.9V_CORE LGE35230(BCM35230KFSBG)
NON_BCM_CAP
V12 K10
VDDC_1 VSS_1
V7 K11
VDDC_2 VSS_2
M10 K12
VDDC_3 VSS_3
N10 L12
VDDC_4 VSS_4
P10 M12
VDDC_5 VSS_5
R10 N12
VDDC_6 VSS_6
T10 P12
VDDC_7 VSS_7
U10 R12
VDDC_8 VSS_8
V10 T12
VDDC_9 VSS_9
W10 U12
VDDC_10 VSS_10
V13 W12
VDDC_11 VSS_11
L11 K13
VDDC_12 VSS_12
M11 L13
VDDC_13 VSS_13
N11 M13
VDDC_14 VSS_14
P11 N13
VDDC_15 VSS_15
R11 P13
VDDC_16 VSS_16
T11 R13
VDDC_17 VSS_17
U11 T13
VDDC_18 VSS_18
V11 U13
VDDC_19 VSS_19
W11 W16
VDDC_20 VSS_20
V14 K14
VDDC_21 VSS_21
L18 L14
VDDC_22 VSS_22
M18 M14
VDDC_23 VSS_23
N18 N14
VDDC_24 VSS_24
P18 P14
VDDC_25 VSS_25
R18 R14
VDDC_26 VSS_26
T18 T14
VDDC_27 VSS_27
U18 U14
VDDC_28 VSS_28
V18 K15
VDDC_29 VSS_29
W18 L15
VDDC_30 VSS_30
V15 M15
VDDC_31 VSS_31
L19 N15
VDDC_32 VSS_32
M19 P15
VDDC_33 VSS_33
N19 R15
VDDC_34 VSS_34
P19 T15
VDDC_35 VSS_35
R19 U15
VDDC_36 VSS_36
T19 K16
VDDC_37 VSS_37
U19 L16
VDDC_38 VSS_38
V19 M16
VDDC_39 VSS_39
W19 N16
VDDC_40 VSS_40
V16 P16
VDDC_41 VSS_41
V17 R16
VDDC_42 VSS_42
T16
VSS_43
L10 U16
MLG1005S22NJT POR_VDD VSS_44
K17
VSS_45
C224 C226 L17
L220
1uF 0.1uF VSS_46
L22 M17
25V 16V
VDDR1_1 VSS_47
AA28 N17
OPT OPT
Place as close as possible to the pad
VDDR1_2 VSS_48
V28 P17
VDDR1_3 VSS_49
R28 R17
VDDR1_4 VSS_50
M28 T17
VDDR1_5 VSS_51
J28 U17
VDDR1_6 VSS_52
K23 W17
VDDR1_7 VSS_53
M22 K18
use only for A0/B0 chip
VDDR1_8 VSS_54
T22 K19
VDDR1_9 VSS_55
T23 H7
VDDR1_10 VSS_56
U22 G14
VDDR1_11 VSS_57
Y22 AB16
VDDR1_12 VSS_58
R7
VSS_59
R22 M6
DDR_LDO_VDDO VSS_60
AB23
VSS_61
+3.3V_Normal
P7
VSS_62
G15 W7
VDDR3_1 VSS_63
H22 J7
VDDR3_2 VSS_64 +0.9V_CORE
G23 N7
VDDR3_3 VSS_65
AB9 AB10
VDDR3_4 VSS_66
K7 AC23
VDDR3_5 VSS_67
AB15 AC6
VDDR3_6 VSS_68
L7 G19
VDDR3_7 VSS_69
AB14 AA22
VDDR3_8 VSS_70
M7 J23
VDDR3_9 VSS_71
N6 J22
VDDR3_10 VSS_72
P6 K22
VDDR3_11 VSS_73
Place as close as possible to the pad
+0.9V_CORE J25
VSS_74
N22
VSS_75
AA6 N23
AON_VDDC_1 VSS_76
AA7 M25
AON_VDDC_2 VSS_77
Y7 P22
AON_POR_VDD VSS_78
R25
VSS_79
U7 V22
AON_VDDR3 VSS_80
W22
VSS_81
T7 W23
AON_VDDR10_1 VSS_82
T6 V25
AON_VDDR10_2 VSS_83
AA25
VSS_84
CORE 0.9V
+0.9V_CORE USB_AVDD +0.9V_CORE VAFE2_DVDD
+0.9V_CORE HDMI_AVDD
L209
L214
L219
BLM18PG121SN1D BLM18PG121SN1D BLM18PG121SN1D
C292 C296
C280 C284 C285 C288
22uF
C274 22uF 4.7uF
0.1uF 4.7uF 0.1uF
22uF
+0.9V_CORE
+0.9V_CORE PLL_AUD_AVDD +0.9V_CORE VAFE3_DVDD PLL_MAIN_AVDD
L210 L217
L215
BLM18PG121SN1D BLM18PG121SN1D BLM18PG121SN1D
C277 C281
C294
4.7uF 0.1uF C287 C290
4.7uF
4.7uF 0.1uF
+0.9V_CORE PLL_MIPS_AVDD
+0.9V_CORE PLL_VAFE_AVDD
L211 L218
BLM18PG121SN1D
BLM18PG121SN1D
C295
C279 C282
4.7uF
4.7uF 0.1uF
POWER 3.3V
+3.3V_Normal USB_AVDD33 +3.3V_Normal HDMI_AVDD33
L212 L216
BLM18PG121SN1D BLM18PG121SN1D
C283
C291 C293
0.1uF
4.7uF 0.1uF
+3.3V_Normal VDAC_AVDD33
L213
BLM18PG121SN1D
C286 C289
4.7uF 0.1uF
IC101
LGE35230(BCM35230KFSBG)
AADC_AVDD25
NON_BCM_CAP
F19
AADC_AVDD25 AADC_AVSS
ADAC_AVDD25
D25
ADACA_AVDD25 ADACA_AVSS
D24
ADACC_AVDD25 ADACC_AVSS
E24
EPHY_VDD25 ADACD_AVDD25 ADACD_AVSS
F24
EPHY_BVDD25 EPHY_AVSS
E25
EPHY_AVDD25
HDMI_AVDD
HDMI_AVDD33
D5
HDMI0_AVDD HDMI0_AVSS_1
D4
+2.5V_BCM35230 HDMI0_AVDD33 HDMI0_AVSS_2
AE20
LT0VDD25_1 LT0VSS_1
AD20
LT0VDD25_2 LT0VSS_2
AC20
+2.5V_BCM35230 LT0VDD25_3 LT0VSS_3
AB20
LT0VDD25_4 LT0VSS_4
LT0VSS_5
C275
LT0VSS_6
0.1uF
LT0VSS_7
OPT
D14 SPDIF_IN_AVDD25
USB_AVDD
SPDIF_IN_AVSS
USB_AVDD33
E4
USB_AVDD USB_AVSS_1
D3
VDAC_AVDD33
USB_AVDD33 USB_AVSS_2
D6
VAFE2_DVDD
VDAC_AVDD33 VDAC_AVSS
VAFE2_VDD25
D18
VAFE2_DVDD VAFE2_VSS_1
E17
VAFE2_AVDD25_1 VAFE2_VSS_2
C212 C214 D16
390pF 390pF VAFE2_AVDD25_2 VAFE2_VSS_3
D17
VAFE3_DVDD
50V 50V VAFE2_DVDD25 VAFE2_VSS_4
VAFE3_VDD25
VAFE2_VSS_5
D9
VAFE3_DVDD VAFE2_VSS_6
D8
VAFE3_AVDD25_1 VAFE2_VSS_7
E8
C208 C210 VAFE3_AVDD25_2
F9
390pF 390pF
VAFE3_AVDD25_3 VAFE3_VSS_1
C210-*1 50V 50V E9
BCM_C0 VAFE3_DVDD25 VAFE3_VSS_2
220pF
F8
50V POR_VDD25 VAFE3_VSS_3
PLL_AUD_AVDD
BCM_A0/B0 VAFE3_VSS_4
Place as close as possible to the pad
PLL_MAIN_AVDD VAFE3_VSS_5
G25
PLL_AUD_AVDD VAFE3_VSS_6
PLL_MIPS_AVDD
K4
PLL_VAFE_AVDD PLL_MAIN_AVDD
AD25
PLL_MIPS_AVDD
PLL_VAFE_AVDD25 D11
PLL_MIPS_AVSS
PLL_VAFE_AVDD
D12
PLL_VAFE_AVDD25
AE7
TVM_OSC_AVDD TVM_OSC_AVSS
C273 +3.3V_Normal
C276
C202 C206 0.1uF U6
0.01uF
390pF 390pF AUX_AVDD33
OPT
50V 50V
C278
0.1uF
BCM35230
2
MAIN POWER
LGE Internal Use Only
C299
0.1uF
C297
0.1uF
C298
0.1uF
F20
G22
G21
F22
F23
F6
G6
AB22
AB21
AB19
AC19
AB18
AB17
AC17
F15
G7
G8
G9
G20
E18
G18
G17
F18
G16
F16
G13
G12
F12
G11
G10
F10
AD26
AC7
50