LG 50UH5500 Service Manual page 39

IC101-*1
BR24G256FJ-3
+3.3V_NORMAL
NVRAM A0 VCC
1 8
A1 WP
2 7
A2 3 6 SCL
GND SDA
IC101 4 5
AT24C256C-SSHL-T C100
NVRAM_ROHM
0.1uF
EAN61133501 Write Protection
- Low : Normal Operation
A0 VCC
- High : Write Protection
1 8
NVRAM_ATMEL
A1 WP
2 7 AR100
33
A0'h 1/16W
A2 SCL
3 6
I2C_SCL4
GND SDA I2C_SDA4
4 5
K2H HW Option
+3.3V_NORMAL
BIT0
BIT1
BIT2
BIT3
BIT4
BIT5
JP104
BIT6
BIT7
BIT8
BIT9
BIT10
20150307 version
BIT(0/1) DVB ATSC JP
00 TW/COL US
01 CN/HK
KR
JP
10 BR
EU
BIT4 Display
11 AJJA CI
BIT5 15/16 Tuner
BIT(6/7/8) B/E(FRC)
000 Vx1_60Hz_RGBW
BIT(2/3) EU/CIS
001 Vx1_60Hz_RGB
00 T2/C/S2 PIP_EX_ATV
010 EPI_V16_RGBW
01 T2/C/S2_IN_ATV
011 EPI_V16_RGB
10 T2/C/S2_EX_ATV
100 EPI_V15_RGBW
11
101 EPI_V15_RGB
RS232C_Debug
+3.5V_ST
OPT
P102 P100
12525HS-04A(1.2T) 12507WS-04L
VCC
1 1
AR103
100
1/16W
RX
2 2 SOC_RX
SOC_TX
GND
3 3
TX
4 4
5
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 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Clock for Main
8pF
XIN_MAIN
C103
8pF
XOUT_MAIN
C104
IC100
LGE6551-CA1
A13
MDIN0 RST
EPHY_TDN
B13
EPHY_TDP MDIP0
A12
MDIN1 ST_IO02
EPHY_RDN
B12
EPHY_RDP MDIP1 ST_IO03
ST_IO04
ST_IO05
ST_IO06
ST_IO07
ST_IO08
A7
HDMI_HPD_3
ST_IO21_H0_HPD ST_IO09
C7
DDC_SCL_3 ST_IO19_H0_SCL ST_IO10
B7
DDC_SDA_3 ST_IO20_H0_SDA
ST_IO11
ST_IO12
F6
HDMI_HPD_2
ST_IO24_H1_HPD ST_IO13
C6
DDC_SCL_2 ST_IO22_H1_SCL ST_IO14
B6
DDC_SDA_2
ST_IO23_H1_SDA ST_IO15
ST_IO16
ST_IO17
G5
DDC_SCL_1 ST_IO25_H2_SCL ST_IO18
E6
DDC_SDA_1
ST_IO26_H2_SDA ST_IO30
+3.3V_NORMAL
B3
DEBUB_RX ST_IO27_VGA_SCL
A3
DEBUG_TX ST_IO28_VGA_SDA
MICOM_5KEY_JOG_TYPE LS0
LS1
A10
RTC_XI LS2
B10
RTC_XO
MICOM_KEY_ONE_KEY
IC100
LGE6551-CA1
USB_Control 1
AM2
USB_DM1 HSDM0 XIN
AM1
USB_DP1 HSDP0 XOUT
USB_Control 2
AM3
USB3_DM0 HSDM1
AL3
USB3_DP0 HSDP1 IFN
IFP
GPIO0_RF_IF_AGC1
A17
WIFI_DM
HSDM3 GPIO1_T_SCL
A16
WIFI_DP HSDP3 GPIO2_T_SDA
AL1
USB3_RXM0 HSIN GPIO9_TP0D0
AL2
USB3_RXP0
HSIP GPIO13_TP0D1
GPIO12_TP0D2
C101
GPIO4_TPD3
0.1uF
AJ3
USB3_TXM0 HSON GPIO3_TP0D4
AJ2
USB3_TXP0 HSOP GPIO5_TP0D5
C102 0.1uF
GPIO6_TPD6
GPIO8_TP0D7
GPIO7_TP0CLK
GPIO10_TP0SYC
GPIO11_TP0VAL
Low High
LCD OLED
15_Tuner 16_Tuner
AJJA TW/COL CN/HK KR North.AM BR
T_IN_ATV EXT_ATV IN_ATV
T2/C/S2_IN_ATV T2_IN_ATV ATSC+T2_IN_ATV
IN_ATV
T2/C/S2_EX_ATV
ISDB_IN_ATV
T2_EX_ATV
RS232C_for DDTS
+3.3V_TU_I2C +3.5V_WOL_ST
DEBUG_UART_DDTS +3.5V_ST
P101
12507WS-04L
1
AR102
100
1/16W
2 DEBUB_RX
DEBUG_TX
3
4
5
DEBUG_SOC_RESET_SW
SW100
SOC_RESET_SW
JTP-1127WEM
2 1
4 3
IC100
LGE6551-CA1
R109
ACTIVE LOW RESET
100
A9 AF3
SOC_RESET CBUS_RX
F13 C8
VOCEC
I2C_SCL2
E13
I2C_SDA2
F12 H5
LOCKOUT12 LOCKOUT12 MHL5V
E12
F11 AB1
WOL/ETH_POWER_ON P0_BN
E11 AC1
PMIC_RESET
P0_BP
D11 port changed AA3
SPDIF_OUT
P0_CKN
(SPDIF noise issue)
F10 AB3
I2C_SCL1
P0_CKP
E10 AD1
I2C_SDA1 P0_GN
PMIC_RESET
AD2
P0_GP
AE1
ST_IO11 for POL_Test_En
P0_RN
F9 AE2
POL_TEST_EN P0_RP
E9
SOC_RX
D9
SOC_TX
F8 U1
AV1_CVBS_DET
P1_BN
E8 V1
SMARTCARD_PWR_SEL
P1_BP
F7 T3
/USB_OCD3_0 USB_Control 2
P1_CKN
E7 U3
USB_CTL3_0 P1_CKP
D7 W1
AV2_CVBS_DET
P1_GN
G4 W2
COMP1_DET P1_GP
Y1
P1_RN
Y2
AV2_CVBS_DET P1_RP
B9
HP_DET
C9 M1
USB_Control 1 P2_BN
/USB_OCD1
B8 N1
P2_BP
USB_CTL1
L3
P2_CKN
M3
P2_CKP
P1
P2_GN
P2
P2_GP
R1
P2_RN
R2
P2_RP
AA5
REXT
AG1
XIN_MAIN
AG2
XOUT_MAIN
IF_P
K2
IF_N
K1
IF_P
Closed to SOC
IF_N
TU_ALL_IntDemod
R130
C111
10K
J2 100pF
IF_AGC
TU_EXT_ATV
H2 C109
1/16W
I2C_SCL4
0.01uF
H1 5%
I2C_SDA4 50V
must be pull-up
POL_EJTAG_EN#
POL_RBOOT_EN#
PLL_EN option pin
0x0h : Enable
0x0h : don't boot from Rom
L4 0x1h : Disable
0x1h : ROM boot
FE_DEMOD1_TS_DATA[0]
L5
+3.3V_NORMAL
FE_DEMOD1_TS_DATA[1]
M4
FE_DEMOD1_TS_DATA[2]
M5
FE_DEMOD1_TS_DATA[3]
N4
FE_DEMOD1_TS_DATA[4]
N5
FE_DEMOD1_TS_DATA[5]
P4
POL_EJTEG_EN AUD_LRCK
FE_DEMOD1_TS_DATA[6]
P5
FE_DEMOD1_TS_DATA[7]
J4
FE_DEMOD1_TS_CLK
K4
FE_DEMOD1_TS_SYNC
J5
FE_DEMOD1_TS_VAL
JP Support
EXTERNAL EDID
BIT9 EXTERNAL NON_EXTERNAL
Default
FOR HDMI2.0
BIT10 Division NON_Division 4_Division
+3.3V_NORMAL I2C PULL UP
I2C_SDA6
I2C for LCD Module & EPI
I2C_SCL6
I2C_SDA4
I2C for Main Amp / NVRAM
I2C_SCL4
I2C_SDA1
I2C for MICOM
I2C_SCL1
I2C_SDA2
I2C for tuner&LNB
I2C_SCL2
+3.3V_NORMAL
R126
10K
HDMI_HPD_CBUS_1
CAM_CD1_N
/PCM_CE1
5V_HDMI_1 EB_OE_N
EB_BE_N1
EB_BE_N0
CAM_REG_N
D0-_HDMI1
PCM_RESET
D0+_HDMI1
EB_WE_N
CK-_HDMI1
CK+_HDMI1
CAM_WAIT_N
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
EB_ADDR[0-14]
D2+_HDMI1
EB_ADDR[0]
EB_ADDR[1]
EB_ADDR[2]
D0-_HDMI2
D0+_HDMI2 EB_ADDR[3]
EB_ADDR[4]
CK-_HDMI2
CK+_HDMI2 EB_ADDR[5]
EB_ADDR[6]
D1-_HDMI2
D1+_HDMI2 EB_ADDR[7]
EB_ADDR[8]
D2-_HDMI2
D2+_HDMI2 EB_ADDR[9]
EB_ADDR[10]
EB_ADDR[11]
D0-_HDMI3 EB_ADDR[12]
EB_ADDR[13]
D0+_HDMI3
CK-_HDMI3 EB_ADDR[14]
CK+_HDMI3
D1-_HDMI3
D1+_HDMI3
EB_DATA[0-7]
D2-_HDMI3
EB_DATA[0]
D2+_HDMI3
EB_DATA[1]
EB_DATA[2]
EB_DATA[3]
EB_DATA[4]
TU_ExtDemod
R129-*1
EB_DATA[5]
0
EB_DATA[6]
TU_ALL_IntDemod EB_DATA[7]
C105
R129
0.1uF
100
IF_P_MAIN
TU_ALL_IntDemod
C107
TPI_DATA[0-7]
100pF
TPI_DATA[0]
C106
R127 TPI_DATA[1]
0.1uF 100 TU_ALL_IntDemod
IF_N_MAIN TPI_DATA[2]
C108
TPI_DATA[3]
100pF
TPI_DATA[4]
IF FILTER
TPI_DATA[5]
Place Near to Main SoC
TPI_DATA[6]
TPI_DATA[7]
POL_TEST_EN#
0x0h : Enable
TPI_CLK
0x1h : Disable
TPI_VAL
+3.3V_NORMAL +3.5V_ST TPI_SOP
TPO_DATA[0-7]
POL_TEST_EN TPO_DATA[0]
TPO_DATA[1]
TPO_DATA[2]
TPO_DATA[3]
TPO_DATA[4]
TPO_DATA[5]
TPO_DATA[6]
+3.3V_NORMAL
TPO_DATA[7]
TPO_CLK
TPO_VAL
TPO_SOP
FLASH_TYPE_bit0
AUD_SCK
FLASH_TYPE_bit1
AUD_LRCH
Boot FLASH_TYPE[1:0]
0x0h : SPI
0x1h : SPI-NAND
0x2h : NAND
0x3h: eMMC
GPIO PULL UP
+3.3V_NORMAL
/TU_RESET1
AMP_RESET_N
TCON_I2C_EN
/USB_OCD1
USB_CTL1
/USB_OCD3_0
USB_CTL3_0
M_RFModule_RESET
PCM_5V_CTL
MAIN1_SYSTEM
IC100
LGE6551-CA1
HDMI detection port
AK5 AL25
GPIO18_PC_CD1_N GPIO73_SDCMD 5V_DET_HDMI_1
AJ10 AM25
GPIO29_PC_CE1_1_N GPIO74_SDCLK 5V_DET_HDMI_2
AJ11 AL22
GPIO31_PC_OE_N GPIO75-SDWP 5V_DET_HDMI_3
AL11 AM23
GPIO32_PC_IORD_N GPIO76_SCCD TCON_I2C_EN
AK12 AM22
BIT10
GPIO34_PC_IOWR_N GPIO77_SDD0
AK19 AM24
GPIO61_PC_REG_N GPIO78_SDD1 PWM_DIM
AK17 AL24
PWM_DIM2
GPIO55_PC_RST GPIO79_SDD2
AL15 AL23
GPIO43_PC_WE_N GPIO80_SDD3 /TU_RESET2
R143 0 AM17
GPIO59_PC_INPACK_N
AK18
GPIO57_PC_WAIT_N
AK22
GPIO81 BIT3
AJ22
BIT4
GPIO82
AK20
GPIO66_PC_A0
AM20
SMARTCARD VCC
GPIO64_PC_A1
AL18 AK23
PCM_5V_CTL
GPIO62_PC_A2 GPIO83_SPI_WP
AJ18 AJ24
SMARTCARD_DATA
GPIO60_PC_A3 GPIO86_SPI_DI0
AM19 AK25
GPIO58_PC_A4 GPIO87_SPI_CS_N SMARTCARD_RST
AJ17 AJ23
CAM_IREQ_N
GPIO56_PC_A5 GPIO84_SPI_HOLD
AL17 AK24
SMARTCARD_DET
GPIO54_PC_A6 GPIO85_SPI_SCLK
AM16 AJ25
SMARTCARD_CLK
GPIO52_PC_A7 GPIO88_SPI_DO0
AM13
GPIO37_PC_A8
EMMC_DATA[0-7]
AJ12
GPIO35_PC_A9
AK11
GPIO30_PC_A10
AM12 AL8 AR101 EMMC_DATA[0]
GPIO33_PC_A11 EMMC_D0
0
AK16 AM9
EMMC_DATA[1]
GPIO50_PC_A12 EMMC_D1
AJ13 AL9 EMMC_DATA[2]
GPIO39_PC_A13 EMMC_D2
AM14 AL7
EMMC_DATA[3]
GPIO41_PC_A14 EMMC_D3
AM8 EMMC_DATA[4]
EMMC_D4
AM7
EMMC_DATA[5]
EMMC_D5
AL10
EMMC_DATA[6]
EMMC_D6
AM10
EMMC_DATA[7]
EMMC_D7
AM21 AL6
GPIO68_PC_D0 EMMC_DS EMMC_STRB
AK21 AL5
GPIO70_PC_D1 EMMC_CLK EMMC_CLK
AL21 AM6
GPIO72_PC_D2 EMMC_CMD EMMC_CMD
AJ5 AM5
GPIO19_PC_D3 EMMC_RST_N EMMC_RST
AJ6
GPIO21_PC_D4
AJ7
GPIO_89 for POL_Boot_Mode
GPIO23_PC_D5
AJ8 R5
GPIO25_PC_D6 GPIO15_AMP_I2C_SCL BIT1
AJ9 T5
GPIO27_PC_D7 GPIO16_AMP_I2C_SDA BIT2
AM27
GPIO90_SCLK AUD_SCK
AK28
GPIO89_WCLK AUD_LRCK
AL27
M_RFModule_RESET
GPIO93_MCLK
AL28
GPIO92_D0 AUD_LRCH
AJ20 AK27
GPIO67_TP1_D0 GPIO91_D1 POL_EJTEG_EN
AL19
GPIO69_TP1_D1 GPIO91 for POL_EJTAG_En
AJ21
GPIO71_TP1_D2
AK6
GPIO20_TP1_D3
AK7
GPIO22_TP1_D4
AK8
GPIO24_TP1_D5
AK9
GPIO26_TP1_D6
AK10
GPIO28_TP1_D7
AM18
GPIO53_TP1_CLK
AL20
GPIO63_TP1_VAL
AJ19
GPIO65_TP1_SYC
AK13 R4
GPIO38_TPO_D0 GPIO14_DIGI_MIC /TU_RESET1
AL13 T4
GPIO40_TPO_D1 GPIO17 HDMI_ARC
AK14
GPIO42_TPO_D2
AM15
GPIO44_TPO_D3
AJ14
GPIO45_TPO_D4
AJ15
GPIO47_TPO_D5
AL16
GPIO49_TPO_D6
AJ16
GPIO51_TPO_D7
AL14
GPIO48_TPO_CLK
AK15
GPIO46_TPO_VAL
AL12
GPIO36_TPO_SYC
DEBUG_T32
AR1
33
1/16W
TDI0 EB_BE_N1
TDO0 EB_OE_N
TMS0 EB_BE_N0
TCK0 EB_ADDR[11]
+3.3V_NORMAL
C1
P1 0.1uF
12505WS-10A00
DEBUG_T32
DEBUG_T32 TRST_N0
RESET
1
EB_ADDR[10]
TDIO
2 TDI0
TDO0
3 TDO0
TMS0
4 TMS0
TCK0
5 TCK0
N.C
6
N.C
7
3.3V
8
GND
9
GND
10
11
@cirPi
Jtag I/F For Main
K2L 2015-01-08
01
LGE Internal Use Only