LG 40LX770H Service Manual page 31

PLACE AT JACK SIDE
Place JACK Side
AV1_CVBS/COMP1_Y Circuit was moved to 34Page
COMP1_Pb
COMP1_Pr
TU_CVBS
C303
150pF
50V
OPT
COMP1/AV1/DVI_L_IN
COMP1/AV1/DVI_R_IN
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.
M14-AV In/Out
Copyright 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Place SOC Side
R333 33
C322 0.047uF
COMP2_PB_IN_SOC
R335 33 C324 0.047uF
COMP2_PR_IN_SOC
R329 100 C318 0.047uF
TU_CVBS_SOC
AUDIO IN
R309 27K C316 4.7uF
AUAD_L_CH3_IN
1%
R322 10K
1%
R310 27K C317 4.7uF AUAD_R_CH3_IN
1%
R323 10K
1%
DDR3 VENDOR OPTION
+3.3V_NORMAL
AUDIO OUT
EXT_SPK_LOUT_MAIN
EXT_SPK_ROUT_MAIN
SOC_CVBS_OUT
SC_CVBS_IN_SOC
TP308
TP310 SC_FB_SOC
SC_ID_SOC
TP311 DTV/MNT_V_OUT_SOC
TP320
TP312 COMP1_PB_IN_SOC
COMP1_Y_IN_SOC
TP313
TP314 COMP1_Y_IN_SOC_SOY
COMP1_PR_IN_SOC
TP315
TP316 AUAD_L_CH2_IN
AUAD_R_CH2_IN
TP317
SMARTCARD_DATA/SD_EMMC_CLK
TP302
SMARTCARD_VCC/SD_EMMC_CMD
TP303
SMARTCARD_DET/SD_EMMC_DATA[3]
TP304
SMARTCARD_RST/SD_EMMC_DATA[2]
TP305
SMARTCARD_PWR_SEL/SD_EMMC_DATA[1]
TP306
SMARTCARD_CLK/SD_EMMC_DATA[0]
TP307
AVDD25
Placed as close as possible to IC101
L307
120-ohm
R374
51K
C354
1%
R380
10uF
AUAD_L_REF 51K
10V
1%
R378 C313
4.7uF
47K
1% 10V
AUAD_R_REF TUNER_SIF
C353
R381
47K 4.7uF
1% 10V
R350
MAIN_IF_AGC
C338
0.047uF
Close to Tuner
Close to Tuner
R346 10
MAIN_PDIF
C331
50V
C332
R331 10
MAIN_NDIF
50V
DDR3_OPT1
DDR3_OPT2
R311 0
AUDA_OUTL
C305
0.01uF
50V
R312 0
AUDA_OUTR
C306
0.01uF
50V
OPT OPT
R319 R320
C11011 0.1uF 16V
390 390
OPT
OPT OPT
C11009 C11010
AL27
68pF 68pF CVBS_IN1
TU_CVBS_SOC
50V 50V AK26
CVBS_IN2
SC_CVBS_IN_SOC
AM27
CVBS_IN3
AV1_CVBS_IN_SOC
R356 68 C343 0.047uF AL26
CVBS_VCM
R353 0 AN27
BUF_OUT1
DTV/MNT_V_OUT_SOC
R11031
C339 EU OPT
10K
OPT 100pF AL25
SC1_SID
SC_ID_SOC
50V
AM25
SC1_FB
SC_FB_SOC
R11032
OPT
10K
AN23
SOY1_IN
COMP1_Y_IN_SOC_SOY
AL22
Y1_IN
COMP1_Y_IN_SOC
AK21
PB1_IN
COMP1_PB_IN_SOC
AK22
PR1_IN
COMP1_PR_IN_SOC
AL24
SOY2_IN
COMP2_Y_IN_SOC_SOY
AK23
Y2_IN
COMP2_Y_IN_SOC
AL23
PB2_IN
COMP2_PB_IN_SOC
AK24
PR2_IN
COMP2_PR_IN_SOC
R357 68 C344 0.047uF AL21
ADC1_COM
R358 68 C345 0.047uF AM23
AVDD25 ADC2_COM
R359 68 C346 0.047uF AN25
ADC3_COM
BLM15BD121SN1
AM21
AVSS25_COMP_REF
L305 C349 AN21
AVDD25_COMP_REF
L304
BLM15BD121SN1 0.1uF
16V
R354 0 AK16
AUDA_SCART_OUTL
R355 OPT 0 AL16
AUDA_SCART_OUTR
OPT
AL19
AUAD_L_CH1_IN
AK19
AUAD_R_CH1_IN
AN19
AUAD_L_CH2_IN
AUAD_L_CH2_IN
AM19
AUAD_R_CH2_IN
AUAD_R_CH2_IN
AN17
AUAD_L_CH3_IN
AUAD_L_CH3_IN
AM17
AUAD_R_CH3_IN
AUAD_R_CH3_IN
AL17
AUAD_L_CH4_IN
AK17
AUAD_R_CH4_IN
AK20
AUDA_OUTL
AUDA_OUTL
AL20
AUDA_OUTR
AUDA_OUTR
AK18
AUAD_L_REF
AUAD_R_REF
AL18
AUAD_R_REF
AUAD_L_REF
C347 10uF 10V
C348 2.2uF AN15
AUD_VBG_EXT
10V
R360 33 AM15
IEC958OUT
SPDIF_OUT
R365 100 AN11
AUDCLK_OUT
R366 100 AK11
DAC_LRCH
AUD_LRCH
C342
AK10
DAC_SLRCH
22pF
AL10
DAC_CLFCH
OPT
R368 100 AL11
DAC_SCK
AUD_SCK
R369 100 AM11
DAC_LRCK
AUD_LRCK
C335 C337
R387 R388
22pF 33pF 0 0 0
R386 AD5
I2S_AMP PCMI3LRCH
OPT
OPT
GOOGLE AE5
PCMI3LRCK
AE7
PCMI3SCK
AE6
AUDCLK_IN
C312 0.01uF
AD6
FRC_LRSYNC
R330
2.2K
AK29
AAD_ADC_SIF
OPT
C351 0.1uF AL29
AAD_ADC_SIFM
10K R307 10K AM29
IFAGC
0.047uF
AK27
SOC_CVBS_OUT DMD_DAC_OUT
C307
AL30
DMD_SIF_OUT
Close to IC101 AK28
DMD_ADC_INP
AL28
DMD_ADC_INN
C352 0.1uF AN29
DMD_ADC_INCOM
Close to IC101
C311 33pF
OPT
R334 51
0.1uF
C360
15pF
50V
0.1uF
R336 51
C310 33pF
OPT
M14+ Symbol C
IC101
LG1311-C1
E22
SD_CLK SMARTCARD_CLK/SD_EMMC_DATA[0]
D22
SD_CMD SMARTCARD_RST/SD_EMMC_DATA[2]
F22
SMARTCARD_VCC/SD_EMMC_CMD
SD_CD_N
F24
SD_WP_N SMARTCARD_PWR_SEL/SD_EMMC_DATA[1]
D24
SD_DATA3 DDR3_OPT1
E24
DDR3_OPT2
SD_DATA2
F23
SD_DATA1 SMARTCARD_DET/SD_EMMC_DATA[3]
E23
SMARTCARD_DATA/SD_EMMC_CLK
SD_DATA0
AK14
RMII_REF_CLK EPHY_REFCLK
AK12
EPHY_CRS_DV
RMII_CRS_DV
AL12
EPHY_MDIO
RMII_MDIO
AK13
RMII_MDC EPHY_MDC
AL13
EPHY_EN
RMII_TXEN
AM13
RMII_TXD1 EPHY_TXD1
AN13
EPHY_TXD0
RMII_TXD0
AL14 R315 33
EPHY_RXD1
RMII_RXD1
AK15 R316 33
RMII_RXD0 EPHY_RXD0
5V_HDMI_1
AE27
DDC_SCL_1
HDMI_1_SCL
AF28
R372
HDMI_1_SDA DDC_SDA_1
AE29 R300 33 10
HDMI_HPD_1
HDMI_1_HPD
AF27
HDMI_1_5V_DET
AE28
SPDIF_OUT_ARC C356
HDMI_1_ARC R376
1uF
5.1K
10V
AF33
HDMI_1_RX_0 D0+_HDMI1
AF32
D0-_HDMI1
HDMI_1_RX_0B
AE31
HDMI_1_RX_1 D1+_HDMI1
AE30
HDMI_1_RX_1B D1-_HDMI1
AD31
D2+_HDMI1
HDMI_1_RX_2
AD30
HDMI_1_RX_2B D2-_HDMI1
AF31
CK+_HDMI1
HDMI_1_RX_C
AF30
HDMI_1_RX_CB CK-_HDMI1
5V_HDMI_2
AD28
DDC_SCL_2
HDMI_2_SCL
AD29
DDC_SDA_2 R373
HDMI_2_SDA
10
AC27 R301 33
HDMI_2_HPD HDMI_HPD_2
AD27
HDMI_2_5V_DET
C357
R377
AC31
1uF
HDMI_2_RX_0 D0+_HDMI2
5.1K
AC30 10V
D0-_HDMI2
HDMI_2_RX_0B
AB33
HDMI_2_RX_1 D1+_HDMI2
AB32
D1-_HDMI2
HDMI_2_RX_1B
AA31
HDMI_2_RX_2 D2+_HDMI2
AA30
HDMI_2_RX_2B D2-_HDMI2
AD32
CK+_HDMI2
HDMI_2_RX_C
AD33
HDMI_2_RX_CB CK-_HDMI2
AB28
DDC_SCL_3
HDMI_3_SCL
AB27
DDC_SDA_3
HDMI_3_SDA
AB29
HDMI_HPD_3
HDMI_3_HPD
AC28
HDMI_3_5V_DET 5V_HDMI_3_SOC
Y32
D0+_HDMI3
HDMI_3_RX_0
Y33
HDMI_3_RX_0B D0-_HDMI3
W31
HDMI_3_RX_1 D1+_HDMI3
W30
D1-_HDMI3
HDMI_3_RX_1B
V33
HDMI_3_RX_2 D2+_HDMI3
V32
D2-_HDMI3
HDMI_3_RX_2B
Y31
HDMI_3_RX_C CK+_HDMI3
Y30
HDMI_3_RX_CB CK-_HDMI3
Y27 5V_HDMI_4
DDC_SCL_4
HDMI_4_SCL
AA28
DDC_SDA_4
HDMI_4_SDA
Y28 R302 33
R375
HDMI_HPD_4
HDMI_4_CBUS_HPD
10
AA29
HDMI_4_CD_SENSE
AA27
HDMI_4_5V_DET
C359
R389 R379
T31 1uF
HDMI_4_RX_0 D0+_HDMI4 1K
5.1K
T30 10V
D0-_HDMI4
HDMI_4_RX_0B
T32
HDMI_4_RX_1 D1+_HDMI4
T33
HDMI_4_RX_1B D1-_HDMI4
R31
D2+_HDMI4
HDMI_4_RX_2 **In case of using HDMI4 without MHL
R30
HDMI_4_RX_2B D2-_HDMI4 CD SENSE should be connected to GND
U31
using 1K pull-down!
CK+_HDMI4
HDMI_4_RX_C
U30
CK-_HDMI4
HDMI_4_RX_CB
DDC_SCL_3
TP321
DDC_SDA_3
TP322
HDMI_HPD_3 TP323
5V_HDMI_3_SOC TP324
D0+_HDMI3
TP325
D0-_HDMI3 TP326
D1+_HDMI3 TP327
D1-_HDMI3
TP328
D2+_HDMI3 TP329
D2-_HDMI3 TP330
CK+_HDMI3 TP331
CK-_HDMI3 TP332
LX770H 2015.3.11
3 24
LGE Internal Use Only