LG Centric 42LY750H, Service Manual

Page: 26 / 50

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.
CI_DATA[5]
CI_DATA[7]
CI_DATA[2]
CI_DATA[4]
CI_ADDR[2]
CI_ADDR[10]
CI_ADDR[13]
CI_ADDR[5]
EMMC_DATA[7]
EMMC_DATA[6]
CI_ADDR[8]
CI_DATA[0]
CI_ADDR[6]
CI_ADDR[1]
EMMC_DATA[4]
CI_ADDR[11]
CI_ADDR[12]
CI_DATA[1]
EMMC_DATA[2]
CI_ADDR[7]
CI_DATA[3]
EMMC_DATA[3]
EMMC_DATA[5]
CI_ADDR[0]
CI_ADDR[3]
CI_DATA[6]
CI_ADDR[9]
CI_ADDR[14]
CI_ADDR[4]
MT5369_TS_OUT[4]
MT5369_TS_OUT[1]
MT5369_TS_OUT[2]
MT5369_TS_OUT[3]
MT5369_TS_OUT[5]
MT5369_TS_OUT[6]
MT5369_TS_OUT[7]
MT5369_TS_OUT[0]
MODEL_OPT_2
STB_SCL
SOC_RX
C116
0.1uF
R150
1K
MODEL_OPT_0
R147
1K
OPT
/CI_CD2
EMMC_CLK
R151
1K
OPT
MT5369_TS_IN[1]
OSDA0
L/DIM0_MOSI
/PCM_CE1
OSDA1 +3.3V_NORMAL
MODEL_OPT_8
MODEL_OPT_6
R148
1K
SOC_TX
CI_ADDR[0-14]
L/DIM0_VS
R103
4.7K
MT5369_TS_IN[5]
EMMC_DATA[2-7]
R157
4.7K
OPT
MODEL_OPT_1
CI_DATA[0-7]
/PCM_IORD
MT5369_MISTRT
MODEL_OPT_1 LED_PWM0
/PCM_REG
MT5369_XTAL_OUT
MT5369_MIVAL_ERR
SDA_NVRAM
MT5369_XTAL_IN
AVDD_33SB
MODEL_OPT_5
MT5369_TS_IN[4]
MT5369_MCLKI_SW
/PCM_OE
AVDD_33SB
PCM_RST
MODEL_OPT_3
MT5369_TS_IN[6]
MODEL_OPT_10
L/DIM0_SCLK
R153
1K
OPT
LED_PWM1
/PCM_IOWR
C118
0.1uF
OSCL0
VDD3V3
LED_PWM1
/PCM_WE
R136 33
MT5369_TS_IN[0]
MODEL_OPT_5
MODEL_OPT_3
MT5369_TS_IN[2]
MT5369_TS_IN[3]
MODEL_OPT_0
MT5369_TS_IN[7]
MODEL_OPT_7
MODEL_OPT_6
+3.3V_NORMAL
MODEL_OPT_9
R174
10K
OPCTRL3
/PCM_WAIT
EMMC_CLK
OSCL1
PWM_DIM2
R137 33
R178
4.7K
OPT
PWM_DIM1
/CI_CD1
LED_PWM0
MODEL_OPT_7
R154
1K
C117
0.1uF
SCL_NVRAM
STB_SDA
R144 10K
R139
2.7K
OSDA2
I2C_SDA2
R117 33
+3.3V_NORMAL
R115 33
I2C_SDA6
R188
2.7K
I2C_SCL4
I2C_SDA4
OSCL2
I2C_SCL5
R122 33
R160
2.7K
R116 33
I2C_SDA5
R142
2.7K
OSCL0
I2C_SCL2
STB_SDA
R111 33
R123 33
R134
2.7K
I2C_SDA1
I2C_SCL3
R114 33
R110 33
OSCL1
I2C_SCL6
I2C_SDA3
R113 33
R164
2.7K
OSDA1
R173
2.7K
R156
2.7K
R118 33
R185
2.7K
OSDA0
R177
2.7K
R112 33
I2C_SCL1
R121 33
STB_SCL
R176
10K
SC_ID_SOC
R162 10K
R163 10K
/TU_RESET
OPCTRL3
OPCTRL_1_SCL
OPCTRL_11_SCL
/S2_RESET
R140 4.7K
MTK_DVB_T2_TUNER
R106 4.7K
MTK_Int_FRC/URSA5
R135 4.7K
MTK_CP_BOX
R101 4.7K
MTK_FRC3/URSA5
R189 4.7K
MTK_EPI
R186 4.7K
MTK_DVB_C2_TUNER
R125 4.7K
MTK_OPTIC_Tx_IC
R130 4.7K
MTK_3D_DEPTH_IC
R108 4.7K
MTK_FHD
R175 4.7K
MTK_DVB_S_TUNER
R132 4.7K
MTK_DDR_768MB
R190 4.7K
MTK_NON_EPI
R127 4.7K
MTK_NON_OPTIC_Tx_IC
R133 4.7K
MTK_DDR_DEFAULT
R129 4.7K
MTK_NON_3D_DEPTH_IC
R141 4.7K
MTK_NON_DVB_T2_TUNER
R102 4.7K
MTK_NO_FRC/Int_FRC
R138 4.7K
MTK_NON_CP_BOX
R109 4.7K
MTK_HD
R187 4.7K
MTK_NON_DVB_C2_TUNER
R184 4.7K
MTK_NON_DVB_S_TUNER
R107 4.7K
MTK_NO_FRC/FRC3
OPCTRL_0_SDA
OPCTRL_10_SDA
OPCTRL_1_SCL
OPCTRL_11_SCL
OPCTRL_0_SDA
OPCTRL_10_SDA
C101
0.1uF
16V
R191 22
+3.3V_NORMAL
R192 22
I2C_SCL1
R181 4.7K
I2C_SDA1
+3.3V_NORMAL
R159 4.7K
R193 10K
NON_EU
/S2_RESET
R128
1.2K R131
1.2K
EMMC_DATA[0]
EMMC_DATA[1]
EMMC_CMD
IC105
LGE2112
NON_CHINA
JTCK
AP14
JTDI
AM14
JTDO
AR14
JTMS
AR15
JTRST
AN14
OSDA0
AP12
OSCL0
AN12
OSDA1
AP15
OSCL1
AN15
XTALI
AT34
XTALO
AU34
AVDD33_XTAL_STB
AK27
AVSS33_XTAL_STB
AH26
AVDD33_VGA_STB
AK18
AVSS33_VGA_STB
AK17
AVDD33_PLLGP
AK23
AVSS33_PLLGP
AM27
AVDD10_LDO
AJ20
GPIO0
H32
GPIO1
F37
GPIO2
F36
GPIO3
G37
GPIO4
G36
GPIO5
G35
GPIO6
G34
GPIO7
H34
GPIO8
L34
GPIO9
L32
GPIO10
K33
GPIO11
K32
GPIO12
H33
GPIO13
L35
GPIO14
K36
GPIO15
J32
GPIO16
J34
GPIO17
K34
GPIO18
K35
GPIO19
K37
GPIO20
J36
GPIO21
J37
GPIO22
J35
GPIO23
J33
GPIO24
G33
GPIO25
H35
GPIO26
H31
GPIO27
F34
GPIO28
E36
GPIO29
N33
GPIO30
P32
GPIO31
M35
GPIO32
M37
GPIO33
M33
GPIO34
F35
GPIO35
E35
GPIO36
E37
GPIO37
N32
GPIO38
M34
GPIO39
M36
GPIO40
M32
GPIO41
L33
GPIO42
E33
GPIO43
E32
GPIO44
F32
GPIO45
A29
GPIO46
D31
GPIO47
C31
GPIO48
E30
GPIO49
E31
GPIO50
F31
GPIO51
E29
GPIO52
AP9
GPIO53
AT9
GPIO54
AR9
GPIO55
AU9
ADIN0_SRV
AN23
ADIN1_SRV
AN24
ADIN2_SRV
AP23
ADIN3_SRV
AR23
ADIN4_SRV
AU23
ADIN5_SRV
AT23
ADIN6_SRV
AM24
ADIN7_SRV
AM23
U0TX
AR18
U0RX
AP18
U1RX
AU16
U1TX
AT16
POWE
A35
POOE
C33
POCE1
B34
POCE0
D33
PDD7
D29
PDD6
C30
PDD5
D30
PDD4
B31
PDD3
A31
PDD2
B32
PDD1
A32
PDD0
C32
PARB
D32
PACLE
A34
PAALE
C34
EMMC_CLK
C29
OPWRSB
AM20
ORESET
AM22
OIRI
AU21
FSRC_WR
D27
STB_SCL
AT21
STB_SDA
AR21
DEMOD_RST
T34
DEMOD_TSCLK
T32
DEMOD_TSDATA0
T36
DEMOD_TSDATA1
U36
DEMOD_TSDATA2
T33
DEMOD_TSDATA3
T30
DEMOD_TSDATA4
V33
DEMOD_TSDATA5
V32
DEMOD_TSDATA6
V31
DEMOD_TSDATA7
V30
DEMOD_TSSYNC
T35
DEMOD_TSVAL
T31
CI_INT
N36
CI_TSCLK
T37
CI_TSDATA0
R35
CI_TSSYNC
R37
CI_TSVAL
R36
PVR_TSCLK
R34
PVR_TSVAL
R32
PVR_TSSYNC
R33
PVR_TSDATA0
P33
PVR_TSDATA1
P34
SPI_CLK1
N37
SPI_CLK
P35
SPI_DATA
N34
SPI_CLE
N35
OPWM2
AU12
OPWM1
AT12
OPWM0
AR12
SD_D0
A37
SD_D1
C35
SD_D2
A36
SD_D3
B35
SD_CMD
B36
SD_CLK
B37
LDM_CS
AT11
LDM_CLK
AU11
LDM_VSYNC
AR10
LDM_DO
AM9
LDM_DI
AP10
LED_PWM1
AN22
LED_PWM0
AP21
OPCTRL11
AU20
OPCTRL10
AT20
OPCTRL9
AN18
OPCTRL8
AP20
OPCTRL7
AM18
OPCTRL6
AN19
OPCTRL5
AP19
OPCTRL4
AR19
OPCTRL3
AN21
OPCTRL2
AM19
OPCTRL1
AN20
OPCTRL0
AR20
TS_S_IN_0_CLK
TS_S_IN_0_VAL
TS_S_IN_0_SYNC
TS_S_IN_0_DATA
MTK_NEC_TX
MTK_NEC_RX
R197
1K
PWM1_PULL_DOWN_1K
R198
1K
PWM2_PULL_DOWN_1K
USB_CTL1
/USB_OCD1
MT5369_TS_OUT[0-7]
MT5369_TS_VAL
MT5369_TS_CLK
MT5369_TS_SYNC
CI_A_VS1
/PCM_IRQA
TS_S_OUT_VAL
TS_S_OUT_SYNC
TS_S_OUT_DATA
TCLK_SEL
MT5369_MCLKI_SW MT5369_MCLKI
TS_S_OUT_CLK
C121
0.1uF
IC106
NLASB3157DFT2G
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
TCLK_SEL
+3.3V_NORMAL
+3.3V_NORMAL
R1028
10K
/USB_OCD2
USB_CTL2
IC100
M24C16-R
HDCP_EEPROM_ST
3
NC_3
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WC
8
VCC
IC100-*1
24LC16B
HDCP_EEPROM_MICRO
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
C107
2.2uF
10V
C108
2.2uF
10V
+3.5V_ST
+3.5V_ST
SC_DET
IC104
M24M01-HRMN6TP
3
E2
2
E1
4
VSS
1
NC
5
SDA
6
SCL
7
WP
8
VCC
WARM_MODE
C114
0.1uF
16V
R172 22
SOC_RESET
R105
4.7K
OPT
R104
4.7K
OPT
R182
2.7K
R183
2.7K
R1021 22
R1034 22
R1035
22
R1036 22
HP_DET
EPI_LOCK6
EXT_SPK_DET
I2C_SDA4
I2C_SCL4
R143
10K
R145
10K
R146
10K
R149
10K
+3.3V_NORMAL
LAN_ACT3
GYSPD
LAN2_DET
LAN1_DET
EXT_SPK_VOL-
MT5369_XTAL_OUT
X100
27MHz
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
C113
1.0pF
50V DVB_1pF
MT5369_XTAL_IN
C115-*1
2.7pF
50V
ATSC_2.7pF
C115
1.0pF
50V
DVB_1pF
C113-*1
2.7pF
50V
ATSC_2.7pF
IC105-*1
LGE2112-AL
CHINA
DDRV_44
AC1
DDRV_45
AC2
DDRV_1
A3
DDRV_2
A4
DDRV_5
B4
DDRV_8
C4
DDRV_10
D4
DDRV_4
B3
DDRV_7
C3
DDRV_46
AC3
DDRV_47
AC4
MEMTP
G10
MEMTN
G9
RVREF_B
G13
RVREF_A
G21
ARCKE
F10
ARCLK1
D9
ARCLK1
C9
ARCLK0
A20
ARCLK0
A21
ARODT
E18
ARRAS
F17
ARCAS
E17
ARCS
E16
ARWE
D14
ARRESET
B14
ARBA0
A13
ARBA1
G11
ARBA2
D16
ARCSX
F18
ARA14
C15
ARA13
A15
ARA12
F13
ARA11
C14
ARA10
F11
ARA9
E15
ARA8
D13
ARA7
B15
ARA6
E14
ARA5
F16
ARA4
E13
ARA3
B13
ARA2
A14
ARA1
F14
ARA0
F15
ARDQM0
C19
ARDQS0
C21
ARDQS0
B21
ARDQ0
C23
ARDQ1
B17
ARDQ2
D23
ARDQ3
C17
ARDQ4
D24
ARDQ5
C16
ARDQ6
C24
ARDQ7
D15
ARDQM1
D21
ARDQS1
B20
ARDQS1
C20
ARDQ8
A17
ARDQ9
A23
ARDQ10
D17
ARDQ11
B23
ARDQ12
D20
ARDQ13
D22
ARDQ14
D19
ARDQ15
C22
ARDQM2
A7
ARDQS2
B9
ARDQS2
A9
ARDQ16
C12
ARDQ17
D6
ARDQ18
B12
ARDQ19
C5
ARDQ20
C13
ARDQ21
A5
ARDQ22
A12
ARDQ23
B5
ARDQM3
E10
ARDQS3
C8
ARDQS3
D8
ARDQ24
C6
ARDQ25
D10
ARDQ26
D7
ARDQ27
C11
ARDQ28
C7
ARDQ29
C10
ARDQ30
B7
ARDQ31
B10
AVDD33_MEMPLL
N14
AVSS33_MEMPLL
N15
DVSS_50
R1
DVSS_48
P21
R165
0
OPT
R166 0 OPT
EDID_WP_MTK
8
MID_MAIN_1
2012.12.10
LG FRC2
3D DEPTH
T2 Tuner
MODEL OPTION 8 is just for CP Box
It should not be appiled at MP
NON_3D_Depth_IC
S Tuner
SoC
internal
FRC
NON_OPTIC
MODEL_OPT_9
OPTIC
1
MODEL_OPT_7
MODEL_OPT_3
Support
FHD
Write Protection
- Low : Normal Operation
- High : Write Protection
Disable
Reserved
DDR_768MB
EPI
Reserved
MODEL_OPT_2
DDR
MODEL_OPT_6
HIGH
MODEL_OPT_8
MODEL_OPT_0
Not Support
Default
1
Not Support
CP BOX
MODEL_OPT_5
0
0
Support
Enable
LOW
1
NO_FRC
NVRAM
Model Option
0
Close to eMMC Flash
(IC8100)
MODEL_OPT_10
0
HD
DDR_Default
MODEL_OPT_1
1
MODEL_OPT_4 3D_Depth_IC
I2C
I2C_1 : AMP, L/DIMMING,HDCP KEY
I2C_2 : T-CON
I2C_3 : MICOM
I2C_4 : S/Demod,T2/Demod, LNB
I2C_5 : NVRAM
I2C_6 : TUNER_MOPLL(T/C,ATV)
HDCP EEPROM
Support
Not Support
5V Tolerance
MODEL_OPT_4
MODEL_OPT_4
EAX6430790* : LD22* / LC22*
EAX6443420* : LT22* / LJ22* / LA22* / LB22*
SOC <- P:I
xxLP860H-ZA
SOC -> Pro:Idiom or CI SLOT
CI SLOT -> SOC
CI SLOT -> SOC
CI SLOT -> SOC
CI SLOT -> SOC
Place Close to MTK5369(IC105)
Boot Option
X-TAL(27Mhz)
STRAPPING LED_PWM0 LED_PWM1 OPCTRL3
ICE mode + 27M + Serial boot 0 0 0
ICE mode + 27M + ROM to Nand boot 0 0 1
ICE mode + 27M + Rom to eMMC boot 0 1 0
from eMMC pins (share pins w/s NAND)
ICE mode + 27M + ROM to eMMC boot 0 1 1
from SDIO pins
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only