LG 42LY750H Service Manual page 26

EAX65763001 : LA4FC
IC104-*1
M24256-BRMN6TP
NVRAM
+3.3V_NORMAL E0 VCC
1 8
E1 WC
2 7
E2 SCL
3 6
IC104 +3.3V_NORMAL
VSS SDA
4 5
AT24C256C-SSHL-T
NVRAM_ST
R104 A0 VCC
1 8
Write Protection
4.7K
OPT A1 WP - Low : Normal Operation
2 7
- High : Write Protection
A2 SCL
R136 33
3 6
GND SDA
R137 33
4 5
NVRAM_ATMEL
HDCP EEPROM
+3.3V_NORMAL
HDCP_EEPROM_ST
IC100
M24C16-R
C101
0.1uF
16V
NC_1 VCC
1 8
NC_2 WC R181 4.7K
2 7
NC_3 SCL R191 22
3 6 I2C_SCL1
VSS SDA R192 22
4 5
I2C_SDA1
I2C
R128 R131 R134 R139 R142 R173
1.2K 1.2K 2.7K 2.7K 2.7K 2.7K
R110 33
STB_SCL
R111 33
STB_SDA
R112 33
OPCTRL_11_SCL
R113 33
OPCTRL_10_SDA
R114 33
OSCL1
R115 33
OSDA1
R116 33
OSCL2
R117 33
OSDA2
R118 33
OSCL0
R121 33
OSDA0
R122 33
OPCTRL_1_SCL
R123 33
OPCTRL_0_SDA
Model Option
+3.3V_NORMAL
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
IC104-*2
R1EX24256BSAS0A
A0 VCC
1 8
A1 WP
2 7
A2 SCL
3 6
VSS SDA
4 5
NVRAM_RENESAS
I2C_SCL5
I2C_SDA5
HDCP_EEPROM_MICRO
IC100-*1
24LC16B
A0 VCC
1 8
A1 WP
2 7
A2 SCL
3 6
VSS SDA
4 5
I2C_1 : AMP ,HDCP
I2C_2 : RGB Sensor
I2C_3 : Pro:Idiom
I2C_5 : NVRAM
I2C_6 : TUNER
+3.3V_NORMAL
R185 R188
R156 R160
R164 R177
2.7K 2.7K 2.7K 2.7K
2.7K 2.7K
I2C_SCL1
I2C_SDA1
I2C_SCL2
I2C_SDA2
I2C_SCL3
I2C_SDA3
I2C_SCL5
I2C_SDA5
I2C_SCL6
I2C_SDA6
NO_FRC
MODEL_OPT_0
0
MODEL_OPT_1
0
MODEL_OPT_0
MODEL_OPT_1
MODEL_OPT_2
MODEL_OPT_2
MODEL_OPT_3 MODEL_OPT_3
/S2_RESET MODEL_OPT_4 3D DEPTH
MODEL_OPT_4
MODEL_OPT_5 MODEL_OPT_5 DDR
MODEL_OPT_6
MODEL_OPT_6 CP BOX
MODEL_OPT_7
MODEL_OPT_7
T2 Tuner
MODEL_OPT_8
MODEL_OPT_8
S Tuner
MODEL_OPT_9
MODEL_OPT_9
MODEL_OPT_10 Reserved
MODEL_OPT_10 EPI
MODEL OPTION 8 is just for CP Box
It should not be appiled at MP
Close to eMMC Flash
(IC8100)
EMMC_CLK
R174
10K
X-TAL(27Mhz)
X100
27MHz
X-TAL_1 GND_2
MT5369_XTAL_IN 1 4
C113
GND_1 X-TAL_2
2.7pF
2 3
C115
50V
2.7pF
50V
Boot Option
+3.3V_NORMAL
R147 R150 R153
1K 1K 1K
OPT OPT
LED_PWM0
LED_PWM1
OPCTRL3
R151
R148 R154
1K
1K 1K
OPT
STRAPPING LED_PWM0 LED_PWM1
ICE mode + 27M + Serial boot 0 0
ICE mode + 27M + ROM to Nand boot 0 0
ICE mode + 27M + Rom to eMMC boot <0> <1>
from eMMC pins (share pins w/s NAND)
ICE mode + 27M + ROM to eMMC boot 0 1
from SDIO pins
MT5369_RM
IC105-*1
SoC LGE2112-AL
internal LG FRC2 Reserved
FRC
AC1 C19
DDRV_44 ARDQM0
AC2 C21
0 1 1 DDRV_45 ARDQS0
A3 B21
DDRV_1 ARDQS0
A4 C23
DDRV_2 ARDQ0
B4 B17
DDRV_5 ARDQ1
1 0 1 C4 D23
DDRV_8 ARDQ2
D4 C17
DDRV_10 ARDQ3
B3 D24
DDRV_4 ARDQ4
C3 C16
DDRV_7 ARDQ5
AC3 C24
DDRV_46 ARDQ6
AC4 D15
DDRV_47 ARDQ7
G10 D21
MEMTP ARDQM1
HIGH LOW G9 B20
MEMTN ARDQS1
C20
ARDQS1
G13 A17
RVREF_B ARDQ8
FHD HD G21 A23
RVREF_A ARDQ9
D17
ARDQ10
B23
ARDQ11
OPTIC NON_OPTIC F10 D20
ARCKE ARDQ12
D22
ARDQ13
D9 D19
ARCLK1 ARDQ14
3D_Depth_IC C9 C22
NON_3D_Depth_IC
ARCLK1 ARDQ15
A20 A7
ARCLK0 ARDQM2
DDR_768MB DDR_Default A21 B9
ARCLK0 ARDQS2
A9
ARDQS2
E18 C12
ARODT ARDQ16
Enable Disable F17 D6
ARRAS ARDQ17
E17 B12
ARCAS ARDQ18
E16 C5
ARCS ARDQ19
D14 C13
Support Not Support ARWE ARDQ20
A5
ARDQ21
B14 A12
ARRESET ARDQ22
B5
ARDQ23
Support Not Support A13
G11 ARBA0 E10
ARBA1 ARDQM3
D16 C8
ARBA2 ARDQS3
D8
ARDQS3
Default F18 C6
ARCSX ARDQ24
D10
ARDQ25
C15 D7
Support ARA14 ARDQ26
Not Support A15 C11
ARA13 ARDQ27
F13 C7
ARA12 ARDQ28
C14 C10
ARA11 ARDQ29
F11 B7
ARA10 ARDQ30
E15 B10
ARA9 ARDQ31
D13
ARA8
B15
E14 ARA7 N14
ARA6 AVDD33_MEMPLL
F16 N15
ARA5 AVSS33_MEMPLL
E13
ARA4
B13
ARA3
A14 R1
ARA2 DVSS_50
F14 P21
ARA1 DVSS_48
F15
ARA0
+3.3V_NORMAL
AP14
AM14
AR14
AR15
AN14
R144
10K
AP12
OSDA0
AN12
OSCL0
AP15
OSDA1
AN15
OSCL1
MT5369_XTAL_OUT
AT34
MT5369_XTAL_IN
AU34
MT5369_XTAL_OUT
AVDD_33SB
AK27
AH26
C116
0.1uF
AVDD_33SB
AK18
C117 AK17
0.1uF
VDD3V3
AK23
C118 AM27
0.1uF
AJ20
C107 C108
2.2uF
2.2uF
10V
10V
LAN1_DET
LAN2_DET
PANEL_CTL
INV_CTL
OPCTRL3
0
1
<0>
1
EDID_WP_MTK
R1016
100
OPC_EN
OPT
R1004 OPT 100
R1014 0 OPT
HDMI_CEC_MTK
RESET_BY_CPU
/USB_OCD1
R1010 100
PTC_WOL
/UPDATE_BY_CPU
USB_CTL1
C106
C102
0.1uF
0.1uF
OPT
OPT
MODEL_OPT_0
MODEL_OPT_1
MODEL_OPT_3
MODEL_OPT_7
MODEL_OPT_5
MODEL_OPT_6
R193 10K AN23
R176
10K AN24
R162
10K AP23
R163 10K
AR23
AU23
AT23
AM24
/TU_RESET
AM23
MODEL_OPT_4 /S2_RESET
MT5369_NON_RM
IC105
LGE2112
AR18
JTCK U0TX SOC_TX_RS232
AP18
JTDI U0RX SOC_RX_RS232
JTDO
AU16
SOC_RX_PTC
JTMS U1RX
AT16
JTRST U1TX SOC_TX_PTC
A35
OSDA0 POWE EMMC_CMD
C33
OSCL0 POOE
B34
EMMC_DATA[2-7]
POCE1
D33
OSDA1 POCE0 EMMC_DATA[7]
D29
OSCL1 PDD7
EMMC_DATA[6]
C30
PDD6 EMMC_DATA[5]
D30
XTALI PDD5
EMMC_DATA[4] +3.3V_NORMAL
B31
XTALO PDD4
EMMC_DATA[3]
A31
PDD3
EMMC_DATA[2]
B32
AVDD33_XTAL_STB PDD2
A32
AVSS33_XTAL_STB PDD1
C32
PDD0
D32
PARB
A34
PACLE EMMC_DATA[1]
C34
EMMC_DATA[0]
AVDD33_VGA_STB PAALE
C29
+3.3V_NORMAL
AVSS33_VGA_STB EMMC_CLK EMMC_CLK
AM20
OPWRSB R155
10K
R1001 100
AM22
AVDD33_PLLGP ORESET
C
AVSS33_PLLGP
AU21
OIRI Q1001 B
RT1N141C-T112-1
D27 R159 4.7K
C114
AVDD10_LDO FSRC_WR
E
0.1uF
AT21 16V
STB_SCL
STB_SCL OPT
AR21
STB_SDA STB_SDA
T34
H32
GPIO0 DEMOD_RST
F37 T32
TS_S_IN_0_CLK
GPIO1 DEMOD_TSCLK
F36 T36
TS_S_IN_0_DATA
GPIO2 DEMOD_TSDATA0
G37 U36
GPIO3 DEMOD_TSDATA1
G36 T33
GPIO4 DEMOD_TSDATA2
G35 T30
GPIO5 DEMOD_TSDATA3
SOC <- P:I
G34 V33
GPIO6 DEMOD_TSDATA4
H34 V32
GPIO7 DEMOD_TSDATA5
L34 V31
GPIO8 DEMOD_TSDATA6
L32 V30
GPIO9 DEMOD_TSDATA7
K33 T35
TS_S_IN_0_SYNC
GPIO10 DEMOD_TSSYNC
K32 T31
GPIO11 DEMOD_TSVAL TS_S_IN_0_VAL
H33
GPIO12
L35 N36
GPIO13 CI_INT
K36 T37
GPIO14 CI_TSCLK
J32 R35
GPIO15 CI_TSDATA0
J34 R37
GPIO16 CI_TSSYNC
SOC -> P:I
K34 R36
GPIO17 CI_TSVAL
K35
GPIO18
K37 R34
R1005 22
TS_S_OUT_CLK
GPIO19 PVR_TSCLK
J36 R32 R1006
22 TS_S_OUT_VAL
GPIO20 PVR_TSVAL
J37 R33
R1007 22
TS_S_OUT_SYNC
GPIO21 PVR_TSSYNC
J35 P33 R1008 22
GPIO22 PVR_TSDATA0 TS_S_OUT_DATA
J33 P34
GPIO23 PVR_TSDATA1
G33
GPIO24
H35 N37
GPIO25 SPI_CLK1 +3.3V_NORMAL
H31 P35
GPIO26 SPI_CLK
F34 N34
GPIO27 SPI_DATA R161
E36 N35 R168
4.7K
GPIO28 SPI_CLE 4.7K
OPT
N33
OPT
GPIO29
P32 AU12 R171 22
GPIO30 OPWM2
M35 AT12
GPIO31 OPWM1
M37 AR12 R170 22
GPIO32 OPWM0
M33
GPIO33
F35 A37 R197 R198
GPIO34 SD_D0 1K 1K
E35 C35
GPIO35 SD_D1
E37 A36
GPIO36 SD_D2
B35
N32
GPIO37 SD_D3
M34 B36
GPIO38 SD_CMD
M36 B37
GPIO39 SD_CLK
M32
GPIO40
L33
GPIO41
E33 AT11
GPIO42 LDM_CS
E32 AU11
GPIO43 LDM_CLK
F32 AR10
GPIO44 LDM_VSYNC
A29 AM9
GPIO45 LDM_DO
D31 AP10
GPIO46 LDM_DI
C31
GPIO47
E30
GPIO48
E31 AN22
LED_PWM1
GPIO49 LED_PWM1
F31 AP21
GPIO50 LED_PWM0 LED_PWM0
E29
GPIO51
AP9
GPIO52 5V Tolerance
AT9
GPIO53
AR9 AU20
GPIO54 OPCTRL11 OPCTRL_11_SCL
AU9 AT20
GPIO55 OPCTRL10 OPCTRL_10_SDA
AN18
OPCTRL9
AP20
OPCTRL8
AM18
ADIN0_SRV OPCTRL7
AN19
ADIN1_SRV OPCTRL6
AP19
AV1_CVBS_DET
ADIN2_SRV OPCTRL5
C121
AR19 C122
ADIN3_SRV OPCTRL4 AMP_RESET_SOC 0.1uF
0.1uF
AN21
OPT
OPCTRL3 OPT
ADIN4_SRV OPCTRL3
AM19
ADIN5_SRV OPCTRL2 EXT_SPK_DET
AN20
ADIN6_SRV OPCTRL1 OPCTRL_1_SCL
AR20
ADIN7_SRV OPCTRL0 OPCTRL_0_SDA
2013.12.24
xxLY750H-UA
MID_MAIN_1 1 21
LGE Internal Use Only
R157
4.7K
OPT
R178
4.7K
OPT
SOC_RESET
PWM_DIM2
PWM_DIM1
/USB_OCD2
USB_CTL2