LG 42LY750H Service Manual page 27

PLACE AT JACK SIDE
IC105
LGE2112
AA32
To HDMI HDMI_CEC_MTK
HDMI_CEC HDMI_0_RX_0
HDMI_0_RX_0B
AG33
DDC_SCL_2_JACK
HDMI_0_SCL HDMI_0_RX_1
AE33
DDC_SCL_3_JACK HDMI_1_SCL HDMI_0_RX_1B
AC33
HDMI_2_SCL HDMI_0_RX_2
AH32
DDC_SCL_4_JACK HDMI_3_SCL HDMI_0_RX_2B
HDMI_0_RX_C
AF33
DDC_SDA_2_JACK
HDMI_0_SDA HDMI_0_RX_CB
AD33
DDC_SDA_3_JACK
HDMI_1_SDA
AB33
HDMI_2_SDA HDMI_1_RX_0
AH33
DDC_SDA_4_JACK
HDMI_3_SDA HDMI_1_RX_0B
HDMI_1_RX_1
R304 1K AG31
5V_HDMI_2_JACK HDMI_0_PWR5V HDMI_1_RX_1B
R305 1K AE31
5V_HDMI_3_JACK
HDMI_1_PWR5V HDMI_1_RX_2
AC31
HDMI_2_PWR5V HDMI_1_RX_2B
R307 1K AH31
5V_HDMI_4_JACK
HDMI_3_PWR5V HDMI_1_RX_C
HDMI_1_RX_CB
AG32
MTK_HPD_2 HDMI_0_HPD
AE32
MTK_HPD_3 HDMI_1_HPD HDMI_2_RX_0
AC32
HDMI_2_HPD HDMI_2_RX_0B
AJ32
MTK_HPD_1
+1.2V_MTK_AVDD HDMI_3_HPD HDMI_2_RX_1
HDMI_2_RX_1B
AA24
AVDD12_HDMI_0_RX HDMI_2_RX_2
Y24
C303 C306 AVDD12_HDMI_1_RX HDMI_2_RX_2B
W24
0.1uF 0.1uF
AVDD12_HDMI_2_RX HDMI_2_RX_C
AB24
AVDD12_HDMI_3_RX HDMI_2_RX_CB
AB29
AVDD33_HDMI_0_RX HDMI_3_RX_0
VDD3V3 AA29
AVDD33_HDMI_1_RX HDMI_3_RX_0B
Y29
AVDD33_HDMI_2_RX HDMI_3_RX_1
AC29
AVDD33_HDMI_3_RX HDMI_3_RX_1B
HDMI_3_RX_2
C304 C307 AB30
AVSS33_HDMI_RX_1 HDMI_3_RX_2B
0.1uF 0.1uF
AD30
AVSS33_HDMI_RX_2 HDMI_3_RX_C
AF31
AVSS33_HDMI_RX_3 HDMI_3_RX_CB
AF32
AVSS33_HDMI_RX_4
C36
USB_DP1 USB_DP_P0
USB2 w/o HUB C37
USB_DM1 USB_DM_P0
Port was changed !!!!
D36
USB_DP2
USB_DP_P1
USB1 w/ HUB D37
USB_DM2 USB_DM_P1
R380 0 AT13
WIFI
WIFI_DP USB_DP_P2
AU13
R381 0 WIFI
WIFI_DM USB_DM_P2
C394 C395
AT14
5pF 5pF USB_DP_P3
VDD3V3 AU14
50V 50V
USB_DM_P3
WIFI WIFI
D35
AVDD33_USB_P0P1
AP13
AVDD33_USB_P2P3
C302
0.1uF D34
AVSS33_USB_P1
AR13
AVSS33_USB_P2
W35
PCIE11_TXP
W34
+1.2V_MTK_AVDD
PCIE11_TXN
Y34
PCIE11_RXN
Y35
PCIE11_RXP
VDD3V3
C316
0.1uF
U24
AVDD12_PCIE11
V24
AVDD33_PCIE11
C308
0.1uF W30
AVSS12_PCIE11
W36
PCIE11_REFCKN
W37
PCIE11_REFCKP
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 ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+5V_NORMAL
R308
1.2K
OPT
R302 10V
180
C311 1uF
ARC HDMI_ARC
R303
82 R309
100K
AG35
D0+_HDMI2_JACK
AG34
D0-_HDMI2_JACK
AG37
D1+_HDMI2_JACK
AG36
D1-_HDMI2_JACK
AF35
D2+_HDMI2_JACK
AF34
D2-_HDMI2_JACK
AH35
CK+_HDMI2_JACK
AH34
CK-_HDMI2_JACK
AE37
D0+_HDMI3_JACK
AE36
D0-_HDMI3_JACK
AD35
D1+_HDMI3_JACK
AD34
D1-_HDMI3_JACK
AC35
D2+_HDMI3_JACK
AC34
D2-_HDMI3_JACK
AE35
CK+_HDMI3_JACK
AE34
CK-_HDMI3_JACK
AB35
AB34
AA35
AA34
AA37
+1.2V_MTK_AVDD
AA36
AC37
AC36
C350
AK35 0.1uF
D0+_HDMI4_JACK
AK34
D0-_HDMI4_JACK
AJ35
D1+_HDMI4_JACK
AJ34
D1-_HDMI4_JACK
AJ37
D2+_HDMI4_JACK
AJ36
D2-_HDMI4_JACK
AJ33
CK+_HDMI4_JACK
AK33
CK-_HDMI4_JACK
AT18
TXVP_0 EPHY_TDP
AU18
TXVN_0 EPHY_TDN
AU17
RXVN_1 EPHY_RDN
AT17
EPHY_RDP
RXVP_1
AN16
PHYLED1
AM16
PHYLED0
AD15 24K R315
REXT
+1.2V_MTK_ETN
AD14
AVDD12_REC
VDD3V3_ETN
AD16
AVDD33_COM
AD17
AVDD33_LD
C328
C327
0.1uF
AL16
AVSS33_LD 1uF
AL15
AVSS33_COM
AL14
AVSS12_REC
Close to Tuner
C312
33pF
R346 1K R334
MAIN_PDIF
C336 1uF
C309 10V
OPT 0.1uF
Close to MT5369
16V
C337 1uF
R331 1K R335
MAIN_NDIF
10V
C310
33pF
R332
MAIN_IF_AGC
C341
0.047uF
For PCB Pattern
IC105
LGE2112
AG3
AO3N
AG4
AO3P
AG1
AO4N
AG2
AO4P
AF3
AOCLKN
AF4
AOCLKP
AE3
AO2N
AE4
AO2P
AE1
AO1N
F27 AE2
MODEL_OPT_8 TCON0 AO1P
E27 AD1
MODEL_OPT_9 TCON1
AO0N
F30 AD2
MODEL_OPT_10
TCON2 AO0P
F29
TCON3
B27 AL3
TCON4 AE4N
A27 AL4
TCON5 AE4P
B28 AL1
TCON6 AE3N
A28 AL2
TCON7 AE3P
C28 AK3
TCON8 AECLKN
D28 AK4
TCON9 AECLKP
E28 AJ3
MODEL_OPT_2 TCON10 AE2N
F28 AJ4
TCON11 AE2P
B29 AJ1
EMMC_RST TCON12 AE1N
AJ2
AE1P
AH3
AE0N
AH4
AE0P
AG6
AVDD12_LVDS_1
AJ6 AT2
AVDD12_LVDS_2 BO4N TXA4N
C354 VDD3V3 AF6 AU2 CH3
0.1uF AVDD12_VPLL BO4P TXA4P
AE6 AT1
AVDD33_LVDSB BO3N TXA3N
AH7 AU1
AVDD33_LVDSA BO3P TXA3P
C347
AR1
0.1uF TXACLKN
BOCLKN CH2
AJ5 AR2
TXACLKP
AVSS12_LVDS_2 BOCLKP
AG5 AP1
AVSS12_LVDS_1 BO2N TXA2N
AF5 AP2
AVSS12_VPLL BO2P TXA2P
AE5 AN1
AVSS33_LVDSB BO1N TXA1N
CH1
AH5 AN2
AVSS33_LVDSA BO1P TXA1P
AM3
BO0N TXA0N
AG7 AM4
TXA0P
REXT_VPLL BO0P
R343
24K AT6
BE4N TXB4N
1% AU6
BE4P TXB4P
AP6
BE3N TXB3N
AR6
BE3P TXB3P
AP5
TXBCLKN
BECLKN
AR5
BECLKP TXBCLKP
AT4
For PCB Pattern BE2N TXB2N
AU4 CH6
BE2P TXB2P
AP4
BE1N TXB1N
CH5
AR4
BE1P TXB1P
AP3
BE0N TXB0N
AR3 CH4
TXB0P
BE0P
AU37 AN35
AIN0_R_AADC AR0_ADAC
AU35 AN34
AIN0_L_AADC AL0_ADAC
AT35
AIN1_R_AADC
AT37 AM32
AIN1_L_AADC AR1_ADAC
AU36 AM34
AIN2_R_AADC AL1_ADAC
AP34
AIN2_L_AADC
AT36 AM37
AV1_R_IN_SOC AIN3_R_AADC AR2_ADAC
AR37 AM33
AV1_L_IN_SOC AIN3_L_AADC AL2_ADAC
AR33
AIN4_R_AADC
AP32 1.2K R376
AM36
AIN4_L_AADC AR3_ADAC
AR36 AM35 1.2K R377
AIN5_R_AADC AL3_ADAC
AP37
C397
AIN5_L_AADC
AR35 AG30 1200pF
1200pF
AIN6_R_AADC AVDD33_DAC
AP36 AF30
AIN6_L_AADC AVDD33_DAC1
VDD3V3 AK30
AVSS33_DAC
C365 C380
AE30
AVSS33_DAC1 0.01uF 0.1uF
AL31
TUNER_SIF C305
C362 AVDD33_AADC
AJ28 Y33
1uF 0.1uF
AVSS33_AADC ALIN
25V AR16
ASPDIF0
AJ27 Y32
VMID_AADC ASPDIF1
AR11 R366
AOBCK
C352 0.01uF AN28 R367
AP11
MPXP AOLRCK
AM12 R368
R339 AOMCLK
C358 C363 AM10 R371
2.2K
0.01uF 1uF AOSDATA4
OPT AM11
50V 25V AOSDATA3
AN11 Don't use as GPIO
51 AOSDATA2
AN10
AOSDATA1
AN9
AOSDATA0
AU32 AN25
ADCINP_DEMOD HSYNC
51 AT32 AM25
ADCINN_DEMOD VSYNC
AR25
VDD3V3 RP
AD22 AR24
AVDD33_DEMOD GP
C364 AU24
+1.2V_MTK_AVDD
BP
0.1uF
AP24
COM
AL27 AT24
AVDD12_DEMOD SOG
C351 AR22
0.1uF VGA_SDA
AM28 AP22
AVSS33_DEMOD VGA_SCL
AJ26
10K R342 10K AVSS12_DEMOD
AT26
COM1
0.047uF AR26
Close to Tuner
PB1P
C355 AP26
PR1P
U35 AU26
IF_AGC Y1P
U34 AP25
Close to MT5369 TP300 RF_AGC SOY1
AU28
COM0
AP31 AT28
LOUTN PB0P
AN30 AR28
LOUTP PR0P
AP27
Y0P
V35 AR27
OSCL2 OSCL2 SOY0
V34
OSDA2
OSDA2
AU30
VDACX_OUT
AP28 AP29
SC0 VDACY_OUT
AR29
SY0 VDD3V3
AD20
AVDD33_VDAC_BG
AT30 AD21 +1.2V_MTK_AVDD
CVBS3P AVDD33_VDAC
R341 100 C360 0.047uF AR30
AV1_CVBS_IN_SOC
CVBS2P
R340 100 C359 0.047uF AR31 AD19
TU_CVBS
CVBS1P AVDD12_RGB
AN29
CVBS0P C382
C361 1uF AP30
0.1uF
CVBS_COM
AJ22
VDD3V3 AVSS33_VDAC_BG
AK24 AJ21
AVDD33_CVBS_1 AVSS12_RGB
AK25 AL24
AVDD33_CVBS_2 AVSS33_VDAC
AL25
AVSS33_CVBS_1
AM26
AVSS33_CVBS_2
R333
BLM18PG121SN1D
AV1_CVBS_IN AV1_CVBS_IN_SOC
ZD300 3216
5.48VTO5.76V C344 C348 R330
C340
27pF 100pF 75
50V 50V 47pF
1%
ZD301 50V
OPT
5.48VTO5.76V
1608 sizs For EMI
C345
10uF
16V
R344 30K
AV1_L_IN AV1_L_IN_SOC
R328
C338 C342
470K
560pF 100pF
OPT
50V 50V
OPT
C346
1608 sizs For EMI
10uF
16V
R345 30K
AV1_R_IN AV1_R_IN_SOC
R329 C339 C343
470K 560pF 100pF
OPT 50V 50V
OPT
For PCB Pattern
EXT_SPK_ROUT_MAIN
EXT_SPK_LOUT_MAIN
1.2K R378
1.2K R379
C399 C3001
C398
1200pF 1200pF
DAC_3V3
SPDIF_OUT
ARC
100
AUD_SCK
100
AUD_LRCK
100
AUD_MASTER_CLK
100
AUD_LRCH
C387 C389 C393 C396
22pF 22pF 22pF 33pF
OPT OPT OPT OPT
xxLY750H-UA 2013.12.24
MID_MAIN_2 2 21
LGE Internal Use Only