LG 43LF5900 Service Manual page 20

NVRAM
+3.3V_NORMAL
R101 R104 IC100 +3.3V_NORMAL
AT24C256C-SSHL-T
4.7K 4.7K
OPT
R100
A0 VCC
1 8
Write Protection
C112
4.7K
0.1uF
OPT A1 WP - Low : Normal Operation
2 7
- High : Write Protection
A2 SCL
R111 33
3 6
GND SDA
R112 33
4 5
NVRAM_ATMEL
+3.3V_NORMAL
R102 R107
R105
OPT
10K 10K 10K
OPT OPT
LED_PWM0
LED_PWM1
ICE moce + 24M + ROM to 60bit ECC Nand boot
OPCTRL3
R106
R103 R108
10K
10K 10K
I2C
+3.3V_TUNER +3.3V_NORMAL
TU_M/W
TU_M/W
R109 R110 R113 R114
1.8K 1.8K 3.3K 3.3K
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 ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NVRAM_ROHM
IC100-*1
BR24G256FJ-3
A0 VCC
1 8
A1 WP X-TAL
2 7
X100
A2 SCL
3 6 24MHz
X-TAL_1 GND_2
GND SDA XTAL_IN
4 5 1 4
C100
GND_1 X-TAL_2
5pF
2 3
50V
I2C_SCL1
I2C_SDA1
STRAPPING LED_PWM0 LED_PWM1 OPCTRL3
ICE mode + 24M + serial boot 0 0 1
0 1 0
ICE moce + 24M + ROM to eMMC boot from
eMMC pins(share pins w/s NAND) 0 0 0
I2C_1 : AMP, L/D, NVM, TCON
I2C_2 : TUNER
5V_HDMI_1
I2C_3 : MICOM
I2C_4 : S/Demod,T2/Demod, LNB
+3.3V_TUNER +3.3V_NORMAL
R115 R116 R117 R118
1.8K 1.8K 3.3K 3.3K
I2C_SCL1
I2C_SDA1
I2C_SCL2
I2C_SDA2
I2C_SCL3
PCM_5V_CTL
I2C_SDA3
L/DIM0_MOSI
I2C_SCL4
/TU_RESET2
I2C_SDA4
L/DIM0_SCLK
L/DIM0_VS
/TU_RESET2
I2C_SDA1
I2C_SCL1
VDD3V3
XTAL_IN
XTAL_OUT XTAL_OUT
C101
5pF DVDD18_EMMC
50V
C108
0.1uF
Near SoC
C102
C109
1uF
0.1uF
10V
C107
0.1uF
C103
4.7uF
10V
USB_DP2
USB_DM2
USB_DP1
USB_DM1
WIFI_DP
WIFI_DM
VDD3V3
C106
1uF
10V
Near SoC
EB_ADDR[0]
EB_ADDR[1]
EB_ADDR[2]
EB_ADDR[3]
EB_ADDR[4]
EB_ADDR[5]
EB_ADDR[6]
EB_ADDR[7]
EB_ADDR[8]
EB_ADDR[9]
EB_ADDR[10]
EB_ADDR[11]
EB_ADDR[12]
EB_ADDR[13]
EB_ADDR[14]
TPO_CLK
TPO_DATA[0-7]
TPO_VAL
TPO_SYNC
TPO_DATA[0]
TPO_DATA[1]
TPO_DATA[2]
TPO_DATA[3]
TPO_DATA[4]
TPO_DATA[5]
TPO_DATA[6]
TPO_DATA[7]
EB_DATA[0]
EB_DATA[1]
EB_DATA[2]
EB_DATA[3]
EB_DATA[4]
EB_DATA[5]
TPI_DATA[0-7]
EB_DATA[6]
EB_DATA[7]
TPI_DATA[0]
5V_HDMI_3
TPI_DATA[1]
TPI_DATA[2]
TPI_DATA[3]
TPI_DATA[4]
TPI_DATA[5]
TPI_DATA[6]
TPI_DATA[7]
5V_HDMI_1
+3.3V_NORMAL 5V_HDMI_3
R141
1K
R199
1K
NON_L/D NON_JP
TP107
NON_L/D NON_EU
OPCTRL3
I2C_SCL3
R122 R123 R124 R140 R138
NON_L/D
10K 10K 10K 10K 10K
I2C_SDA3
L/D
R121 33
L/D
R119 33
L/D
R120 33
I2C_SCL4
I2C_SDA4
IC101
LGE5221(A5LRA0)
T25
SOC_TX
U0TX
T24
U0RX SOC_RX
AE26
OSDA0
AH26 J2
EMMC_CMD
OSCL0 POWE__B
N7
POOE__B
M7
POCE1__B
B28 L7
XTALI POCE0__B
B27 P3
EMMC_DATA[7]
XTALO PDD7
N1
PDD6 EMMC_DATA[6]
J22 N2
AVDD33_REG_STB PDD5 EMMC_DATA[5]
N4
PDD4 EMMC_DATA[4]
J1 M3
VCC3IO_EMMC PDD3 EMMC_DATA[3]
L1
EMMC_DATA[2]
PDD2
H24 N6
AVDD33_RGB_STB PDD1
K21 P6
AVSS33_RGB PDD0
N5
PARB__B
J23 L3
EMMC_DATA[1]
AVDD33_PLL_STB PACLE
VDD3V3
K3
PAALE EMMC_DATA[0]
U25 P4
EMMC_CLK
AVDD10_LDO EMMC_CLK
P7
EMMC_RST EMMC_RST
R137
10K
Y26 R26
OPT
AVDD10_ELDO OPWRSB
L25
C104 ORESETB
22
4.7uF
R128
C105
10V L26
OIRI 0.1uF
16V
R125 4.7K
AH27
FSRC_WR
B12 AB27
USB_DP_P0 TXVP_0 EPHY_TDP
A12 AB26
EPHY_TDN
USB_DM_P0 TXVN_0
AC25
RXVP_1 EPHY_RDP
AC26
RXVN_1 EPHY_RDN
C13
USB_DP_P1
D13
USB_DM_P1
AA25
PHYLED1 MODEL_OPT_12
AA26
PHYLED0 MODEL_OPT_13
D14
USB_DP_P2
C14
USB_DM_P2
R126 24K
AB28
VDD3V3
REXT
AD28
USB_DP_P3
AD27 1%
USB_DM_P3
AB25
AVDD33_ETH
C110
F23
AVDD33_USB 0.1uF
IC101
LGE5221(A5LRA0)
D2 E13
/TU_RESET1
CI_A0 DEMOD_RST
D1
CI_A1
C3 F13
FE_DEMOD1_TS_CLK
CI_A2 DEMOD_TSCLK
C1 F12
CI_A3 DEMOD_TSDATA0 FE_DEMOD1_TS_DATA[0]
C2 F11
FE_DEMOD1_TS_SYNC
CI_A4 DEMOD_TSSYNC
B1 G13
CI_A5 DEMOD_TSVAL FE_DEMOD1_TS_VAL
A1
CI_A6
A2 D10
CI_A7 CI_INT CI_REG#
C5 D12
CI_A8 CI_TSCLK CI_CE1#
B5 E11
TPI_SYNC
CI_A9 CI_TSDATA0
+3.3V_NORMAL
D6 F4
CI_A10 CI_TSSYNC CI_WE#
A5 E12
CI_OE#
CI_A11 CI_TSVAL
A3 B2
CI_A12 CI_RST CI_RESET R143 R144
D5 E10
4.7K 4.7K
TPI_VAL
CI_A13 PVR_TSCLK
OPT
E4 A11 OPT
CI_A14 PVR_TSVAL CI_VS1#
B4 F10
TPI_CLK
CI_MCLKI PVR_TSSYNC
H5
B11
CI_MIVAL PVR_TSDATA0 CI_IREQ#
D4 C9
CI_WAIT#
CI_MISTRT PVR_TSDATA1
D3
CI_MDI0
E5 G1
CI_MDI1 SPI_CLK1 CI_CD2#
F5 C11
CI_MDI2 SPI_CLK CI_CD1#
H6 D11
CI_MDI3 SPI_DATA CI_IORD#
H4 C10
CI_IOWR#
CI_MDI4 SPI_CLE
A4
CI_MDI5
B3
CI_MDI6
C4 AE25
CI_MDI7 OPWM2
E1 AG26
CI_D0 OPWM1
E2 AF26
CI_D1 OPWM0 AMP_RESET_N
G3
CI_D2
D9
CI_D3
B9 K4
SMARTCARD_CLK/SD_EMMC_DATA[0]
CI_D4 SD_D0
B8 L5
CI_D5 SD_D1 SMARTCARD_PWR_SEL/SD_EMMC_DATA[1]
B7 L4
CI_D6 SD_D2 SMARTCARD_RST/SD_EMMC_DATA[2]
D7 L6
SMARTCARD_DET/SD_EMMC_DATA[3]
CI_D7 SD_D3
E3 K5
CI_MDO0 SD_CMD SMARTCARD_VCC/SD_EMMC_CMD
F3 H1
SMARTCARD_DATA/SD_EMMC_CLK
CI_MDO1 SD_CLK
G2
CI_MDO2
A9 H2
CI_MDO3 VCC3IO_SD
A8
CI_MDO4
A7 R22
LED_PWM0
CI_MDO5 LED_PWM0
C7 R24
CI_MDO6 LED_PWM1 LED_PWM1
C6
CI_MDO7
J6
GPIO42 FE_DEMOD1_TS_DATA[1]
J7
FE_DEMOD1_TS_DATA[2]
GPIO43
G11
GPIO44 FE_DEMOD1_TS_DATA[3]
P26 H11
OPCTRL0 GPIO45 FE_DEMOD1_TS_DATA[4]
P25 H12
OPCTRL1 GPIO46 FE_DEMOD1_TS_DATA[5]
P24 G12
OPCTRL2 GPIO47 FE_DEMOD1_TS_DATA[6]
N24
OPCTRL3
M24
OPCTRL4
M23 K24
OPCTRL5 ADIN0_SRV
M22 L24
OPCTRL6 ADIN1_SRV
AV1_CVBS_DET
K23 J24
OPCTRL7 ADIN2_SRV COMP1_DET
L23 E28
OPCTRL8 ADIN3_SRV
SC_DET
E20 F25
OPCTRL9 ADIN4_SRV /USB_OCD1
D20 F26
OPCTRL10 ADIN5_SRV
/USB_OCD2
G18 H25
OPCTRL11 ADIN6_SRV USB_CTL2
F18 H26
OPCTRL12 ADIN7_SRV
USB_CTL1
IC101-*1
LGE5222(A5LRB0)
T25
U0TX
T24
U0RX
AE26
OSDA0
AH26 J2
OSCL0 POWE__B
N7
POOE__B
M7
POCE1__B
B28 L7
B27 XTALI POCE0__B P3
XTALO PDD7
N1
PDD6
J22 N2
AVDD33_REG_STB PDD5
N4
PDD4
J1 M3
VCC3IO_EMMC PDD3
L1
PDD2
H24 N6
AVDD33_RGB_STB PDD1
K21 P6
AVSS33_RGB PDD0
N5
PARB__B
J23 L3
AVDD33_PLL_STB PACLE
K3
PAALE
U25 P4
AVDD10_LDO EMMC_CLK
P7
EMMC_RST
Y26 R26
AVDD10_ELDO OPWRSB
L25
ORESETB
L26
OIRI
AH27
FSRC_WR
B12 AB27
USB_DP_P0 TXVP_0
A12 AB26
USB_DM_P0 TXVN_0
AC25
RXVP_1 AC26
RXVN_1
C13
USB_DP_P1
D13
USB_DM_P1
AA25
PHYLED1
AA26
PHYLED0
D14
USB_DP_P2
C14
SOC_RESET USB_DM_P2
AB28
REXT
AD28
USB_DP_P3
AD27
USB_DM_P3
AB25
AVDD33_ETH
F23
AVDD33_USB
SC_ID_SOC TP149
TP139 EB_DATA[0]
TP150 EB_DATA[1]
SC_DET TP140
PCM_5V_CTL TP141 EB_DATA[2]
TP148
EB_DATA[3]
TP142
TPO_DATA[0-7] TP199
TP143 EB_DATA[4]
TPI_DATA[0-7]
TP198 EB_DATA[5]
TP144
EB_ADDR[0]
TP115 TP137 EB_DATA[6]
EB_ADDR[1] TP116 EB_DATA[7]
TP138
EB_ADDR[2] TP117
CI_REG#
TP126
EB_ADDR[3] TP118
TP127 CI_CE1#
EB_ADDR[4] TP119
TP128 TPI_SYNC
EB_ADDR[5] TP120
TP129 CI_WE#
EB_ADDR[6] TP121
TP130 CI_OE#
EB_ADDR[7]
TP109
TP131 CI_RESET
EB_ADDR[8] TP110
TP132 TPI_VAL
EB_ADDR[9]
TP111
EB_ADDR[10] TP112
TP133 TPI_CLK
EB_ADDR[11]
TP113 CI_IREQ#
TP134
EB_ADDR[12] TP114
TP135 CI_WAIT#
EB_ADDR[13]
TP106
EB_ADDR[14] TP108
TP123 CI_CD2#
TPO_CLK TP147 CI_CD1#
TP124
TPO_VAL TP145
TP125 CI_IORD#
TPO_SYNC TP146 TP136 CI_IOWR#
+3.3V_NORMAL
R130 R133
4.7K
4.7K
OPT
OPT
R136 PWM_DIM2
PWM_DIM2
100
R135
PWM_DIM
100
R131
R134
1K 1K
PWM2_PULL_DOWN_1K
PWM1_PULL_DOWN_1K SMARTCARD_DATA/SD_EMMC_CLK
TP100
SMARTCARD_VCC/SD_EMMC_CMD
TP101
SMARTCARD_DET/SD_EMMC_DATA[3]
TP102
SMARTCARD_RST/SD_EMMC_DATA[2]
TP103
SMARTCARD_PWR_SEL/SD_EMMC_DATA[1]
TP104
SMARTCARD_CLK/SD_EMMC_DATA[0]
TP105
IC101-*1
VDD3V3
LGE5222(A5LRB0)
D2 E13
CI_A0 DEMOD_RST
D1
CI_A1
C3 F13
CI_A2 DEMOD_TSCLK
C1 F12
CI_A3 DEMOD_TSDATA0
C2 F11
CI_A4 DEMOD_TSSYNC
C111 B1 G13
CI_A5 DEMOD_TSVAL
A1
0.1uF CI_A6
A2 D10
CI_A7 CI_INT
C5 D12
CI_A8 CI_TSCLK
B5 E11
CI_A9 CI_TSDATA0
D6 F4
CI_A10 CI_TSSYNC
A5 E12
CI_A11 CI_TSVAL
A3 B2
CI_A12 CI_RST
D5 E10
CI_A13 PVR_TSCLK
E4 A11
CI_A14 PVR_TSVAL
B4 F10
CI_MCLKI PVR_TSSYNC
H5 B11
CI_MIVAL PVR_TSDATA0
D4 C9
CI_MISTRT PVR_TSDATA1
D3
CI_MDI0
E5 G1
CI_MDI1 SPI_CLK1
F5 C11
CI_MDI2 SPI_CLK
H6 D11
CI_MDI3 SPI_DATA
H4 C10
CI_MDI4 SPI_CLE
A4
CI_MDI5
B3
CI_MDI6
C4 AE25
CI_MDI7 OPWM2
E1 AG26
CI_D0 OPWM1
E2 AF26
CI_D1 OPWM0
G3
CI_D2
SC_ID_SOC D9
CI_D3
B9 K4
CI_D4 SD_D0
B8 L5
CI_D5 SD_D1
B7 L4
CI_D6 SD_D2
D7 L6
CI_D7 SD_D3
NON_SCART E3 K5
CI_MDO0 SD_CMD
F3 H1
R139 CI_MDO1 SD_CLK
G2
10K CI_MDO2
A9 H2
CI_MDO3 VCC3IO_SD
A8
CI_MDO4
A7 R22
CI_MDO5 LED_PWM0
C7 R24
C6 CI_MDO6 LED_PWM1
CI_MDO7
J6
GPIO42
J7
GPIO43
G11
GPIO44
P26 H11
OPCTRL0 GPIO45
P25 H12
OPCTRL1 GPIO46
P24 G12
OPCTRL2 GPIO47
N24
OPCTRL3
M24
OPCTRL4
M23 K24
OPCTRL5 ADIN0_SRV
M22 L24
OPCTRL6 ADIN1_SRV
K23 J24
OPCTRL7 ADIN2_SRV
L23 E28
E20 OPCTRL8 ADIN3_SRV F25
OPCTRL9 ADIN4_SRV
D20 F26
OPCTRL10 ADIN5_SRV
G18 H25
OPCTRL11 ADIN6_SRV
F18 H26
OPCTRL12 ADIN7_SRV
A5LR_Bring_Up
2014.11.01
1
MAIN1
LGE Internal Use Only