LG 42LB67 Series Service Manual page 25

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 R309
R310
COMP1/AV1/DVI_R_IN
HP_OUT
L308
BLM18PG121SN1D
HP_LOUT
HP_LOUT_AMP HP_OUT
C365
0.22uF
10V
HP_OUT
L309
BLM18PG121SN1D
HP_ROUT
HP_OUT
HP_ROUT_AMP
C366
0.22uF
10V
Place at JACK SIDE
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 © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Place SOC Side
COMP
R333 33 C322 0.047uF
COMP2_PB_IN_SOC
R335 33
C324 0.047uF
COMP2_PR_IN_SOC
TU_ALL_2178B TU_ALL_2178B
R329 100 C318 0.047uF
TU_CVBS_SOC
AUDIO IN
27K C316 4.7uF AUAD_L_CH3_IN
1%
R322 10K
1%
27K C317 4.7uF
AUAD_R_CH3_IN
1% R323 10K
1%
SCART_LOUT_SOC
TP308 SC_CVBS_IN_SOC TP318
SCART_ROUT_SOC
SC_FB_SOC TP319
TP310
SC_ID_SOC
TP311 DTV/MNT_V_OUT_SOC
TP320
COMP1_PB_IN_SOC
TP312
COMP1_Y_IN_SOC
TP313
COMP1_Y_IN_SOC_SOY
TP314
COMP1_PR_IN_SOC
TP315
AUAD_L_CH2_IN
TP316
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
Placed as close as possible to LG1311
Tuner IF Filter
TU_ALL_IntDemod TU_ALL_IntDemod
C332
R344
ADC_I_INN IF_N
51 0.01uF
C331
L303
22pF
To ADC
OPT
TU_ALL_IntDemod
C333
R345
ADC_I_INP IF_P
51 0.01uF
TU_ALL_IntDemod TU_ALL_IntDemod
AVDD25
Placed as close as possible to IC101
L307
120-ohm
R374
51K
C354
1%
R380
10uF
AUAD_L_REF 51K
10V
1%
C313
R378
47K 4.7uF
1% 10V
AUAD_R_REF TUNER_SIF
C353
R381
47K 4.7uF
1% 10V
DDR3 VENDOR OPTION
+3.3V_NORMAL
DDR3_OPT1
DDR3_OPT2
AUDIO OUT
R311 0
AUDA_OUTL
HP_LOUT_MAIN
C305
0.01uF
50V
R312 0
AUDA_OUTR
HP_ROUT_MAIN
C306
0.01uF
50V
INT_ADEMOD INT_ADEMOD
INT_ADEMOD
R11022 R11023
390 390
SOC_CVBS_OUT
INT_ADEMOD INT_ADEMOD
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
68 C343 0.047uF AL26
R356 CVBS_VCM
R353 EU 0 AN27
BUF_OUT1
DTV/MNT_V_OUT_SOC
C339
OPT
100pF AL25
SC1_SID
SC_ID_SOC
50V
AM25
SC1_FB
SC_FB_SOC
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
ADC2_COM
AVDD25
R359 68 C346 0.047uF AN25
ADC3_COM
BLM15BD121SN1
C349
AM21
AVSS25_COMP_REF
0.1uF AN21
L305 AVDD25_COMP_REF
L304
16V
BLM15BD121SN1
R354 EU 0 AK16
AUDA_SCART_OUTL
SCART_LOUT_SOC
R355 0 AL16
EU
AUDA_SCART_OUTR
SCART_ROUT_SOC
EU
EU
AL19
C334 C336 AUAD_L_CH1_IN
0.01uF 0.01uF AK19
AUAD_R_CH1_IN
50V 50V
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
AUD_MASTER_CLK
R366 100 AK11
DAC_LRCH
AUD_LRCH
C340 C342
AK10
DAC_SLRCH
22pF 22pF
AL10
DAC_CLFCH
OPT OPT
R368 100 AL11
DAC_SCK
AUD_SCK
100 AM11
R369 DAC_LRCK
AUD_LRCK
C335 C337
22pF 33pF GOOGLE
R367 0 AD5
I2S_AMP PCMI3LRCH
OPT
OPT
AE5
PCMI3LRCK
AE7
PCMI3SCK
AE6
TU_ALL_2178B AUDCLK_IN
C312 0.1uF
AD6
FRC_LRSYNC
C309
OPT
1000pF
AK29
50V TU_ALL_IntDemod AAD_ADC_SIF
C351 0.1uF AL29
AAD_ADC_SIFM
R350
AM29
IFAGC
IF_AGC
470
C338
AK27
SOC_CVBS_OUT DMD_DAC_OUT
0.1uF
AL30
DMD_SIF_OUT
OPT
AK28
DMD_ADC_INP
ADC_I_INP
Close to IC101 AL28
DMD_ADC_INN
ADC_I_INN
C352 0.1uF AN29
DMD_ADC_INCOM
M14 Symbol C
PAGE 3
IC101
LG1311
E22
SD_CLK SMARTCARD_CLK/SD_EMMC_DATA[0]
D22
SMARTCARD_RST/SD_EMMC_DATA[2]
SD_CMD
F22
SD_CD_N SMARTCARD_VCC/SD_EMMC_CMD
F24
SD_WP_N SMARTCARD_PWR_SEL/SD_EMMC_DATA[1]
D24
DDR3_OPT1
SD_DATA3
E24
SD_DATA2 DDR3_OPT2
F23
SMARTCARD_DET/SD_EMMC_DATA[3]
SD_DATA1
E23
SD_DATA0 SMARTCARD_DATA/SD_EMMC_CLK
AK14
EPHY_REFCLK
RMII_REF_CLK
AK12
EPHY_CRS_DV
RMII_CRS_DV
AL12
RMII_MDIO EPHY_MDIO
AK13
EPHY_MDC
RMII_MDC
AL13
EPHY_EN
RMII_TXEN
AM13
RMII_TXD1 EPHY_TXD1
AN13
EPHY_TXD0
RMII_TXD0
AL14 33 R5207
RMII_RXD1 EPHY_RXD1
AK15 33 R5206
EPHY_RXD0
RMII_RXD0
5V_HDMI_1
AE27
DDC_SCL_1
HDMI_1_SCL
AF28
R372
DDC_SDA_1
HDMI_1_SDA
10
AE29
HDMI_1_HPD HDMI_HPD_1
AF27
HDMI_1_5V_DET
AE28
C356
HDMI_1_ARC SPDIF_OUT_ARC
R376
1uF
5.1K
10V
AF33
D0+_HDMI1
HDMI_1_RX_0
AF32
HDMI_1_RX_0B D0-_HDMI1
AE31
HDMI_1_RX_1 D1+_HDMI1
AE30
D1-_HDMI1
HDMI_1_RX_1B
AD31
HDMI_1_RX_2 D2+_HDMI1
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
AC27 10
HDMI_HPD_2
HDMI_2_HPD
AD27
HDMI_2_5V_DET
C357
R377
AC31
1uF
D0+_HDMI2
HDMI_2_RX_0 5.1K
10V
AC30
HDMI_2_RX_0B D0-_HDMI2
AB33
HDMI_2_RX_1 D1+_HDMI2
AB32
D1-_HDMI2
HDMI_2_RX_1B
AA31
HDMI_2_RX_2 D2+_HDMI2
AA30
D2-_HDMI2
HDMI_2_RX_2B
AD32
HDMI_2_RX_C CK+_HDMI2
AD33
HDMI_2_RX_CB CK-_HDMI2
AB28
DDC_SCL_3
HDMI_3_SCL
AB27
HDMI_3_SDA DDC_SDA_3
AB29
HDMI_HPD_3
HDMI_3_HPD
AC28
HDMI_3_5V_DET 5V_HDMI_3_SOC
Y32
HDMI_3_RX_0 D0+_HDMI3
Y33
HDMI_3_RX_0B D0-_HDMI3
W31
D1+_HDMI3
HDMI_3_RX_1
W30
HDMI_3_RX_1B D1-_HDMI3
V33
HDMI_3_RX_2 D2+_HDMI3
V32
D2-_HDMI3
HDMI_3_RX_2B
Y31
HDMI_3_RX_C CK+_HDMI3
Y30
CK-_HDMI3
HDMI_3_RX_CB
Y27 5V_HDMI_4
DDC_SCL_4
HDMI_4_SCL
AA28
DDC_SDA_4
HDMI_4_SDA
Y28
R375
HDMI_4_CBUS_HPD HDMI_HPD_4
10
AA29
HDMI_4_CD_SENSE MHL_DET
AA27
HDMI_4_5V_DET
C359
R379
T31
1uF
HDMI_4_RX_0 D0+_HDMI4
5.1K
T30 10V
D0-_HDMI4
HDMI_4_RX_0B
T32
HDMI_4_RX_1 D1+_HDMI4
T33
D1-_HDMI4
HDMI_4_RX_1B
R31
HDMI_4_RX_2 D2+_HDMI4
R30
HDMI_4_RX_2B D2-_HDMI4
U31
CK+_HDMI4
HDMI_4_RX_C
U30
HDMI_4_RX_CB CK-_HDMI4
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
MID_LG1311 2013.04.04
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LGE Internal Use Only