Read LG 42LV5400 (CHASSIS:LA12E) Service Manual online
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.
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.
NAND_DATA[0]
NAND_DATA[1]
CI_ADDR[12]
NAND_DATA[2]
CI_ADDR[2]
NAND_DATA[1]
NAND_DATA[3]
CI_ADDR[7]
CI_ADDR[13]
CI_ADDR[14]
NAND_DATA[4]
NAND_DATA[2]
NAND_DATA[3]
NAND_DATA[7]
NAND_DATA[5]
CI_ADDR[8]
NAND_DATA[7]
NAND_DATA[0]
NAND_DATA[6]
CI_ADDR[4]
CI_ADDR[9]
NAND_DATA[4]
CI_ADDR[3]
NAND_DATA[6]
NAND_DATA[5]
CI_ADDR[10]
CI_ADDR[11]
CI_ADDR[5]
CI_ADDR[6]
R185
0
TXA0N
SOC_RESET
TXBCLKP
R151
0
16Gbit
R147
1K
JTAG
TXD0P
R170
10K
SDA2_3.3V
HDMI_ARC
R172
4.7K
OPT
TXD1P
C103
0.1uF
54MHz_XTAL_P
R183
10K
C101
0.1uF
TXA1P
DTV/MNT_V_OUT
TXC0P
TXC1P
R180
10K
TXDCLKN
TXA3N
R115
10K
R132
4.7K
R120
10K
SCL0_3.3V
TXACLKN
+3.3V_Normal
R116
10K
OPT
NAND_DATA[6]
+3.3V_Normal
HDMI_CLK+
R118
10K
R150
1K
JTAG
NAND_WEb
+3.3V_Normal
P101
TJC2508-4A
1
VCC
2
SCL
3
SDA
4
GND
TXD2P
NAND_DATA[5]
C106
4.7uF
CI_ADDR[8]
SC_ID
JTAG_RESET
NAND_CEb2
+3.3V_Normal
R145
22
OPT
R157
10K
OPT
CI_ADDR[12]
R169
0
0
CI_ADDR[7]
C112
0.1uF
TXB4P
R107
2.7K
C107
33pF
50V
33pF
50V
DVB_S
TXD1N
NAND_CEb
NAND_RBb
R101
4.7K
4.7K
R124
1K
OPT
C119
0.1uF
16V
0.1uF
16V
NAND_CLE
TXB2N
+3.3V_Normal
TXD4P
5V_HDMI_2
NAND_CEb2
C104
10uF
10V
TXA1N
TXB3N
BSS83
Q101
S
B
D
G
NAND_DATA[3]
HDMI_CLK-
R176
10K
SDA0_3.3V
JTAG_RESET
R111
10K
OPT
R191
33
TXD3P
TXB0P
R154
10K
OPT
BCM_RX
HDMI_RX2+
TXC2P
R103
4.7K
OPT
+3.3V_Normal
TXD2N
TXCCLKP
C102
4700pF
R198
10K
10K
C111
0.01uF
NAND_ALE
TXBCLKN
NAND_DATA[0-7]
TXCCLKN
R179
10K
OPT
HDMI_RX1+
R117
10K
OPT
R135
33
C108
33pF
50V
33pF
50V
DVB_S
R177
10K
FLASH_WP
TXA4N
R165
10K
R195
4.7K
4.7K
IC103
M24M01-HRMN6TP
3
E2
2
E1
4
VSS
1
NC
5
SDA
6
SCL
7
WP
8
VCC
NAND_DATA[7]
R173
4.7K
TXB4N
R190
33
NAND_DATA[0-7]
NAND_WEb
R196
10K
10K
NAND_CEb
R108
10K
CI_ADDR[4]
+3.3V_Normal
NAND_REb
R156
1K
JTAG
/CI_CE1
R155
10K
A_DIM
R153
1K
JTAG
TXA3P
HDMI_RX1-
NAND_DATA[0]
5V_HDMI_1
R194
2.7K
2.7K
R127
10K
OPT
NAND_CLE
R125
1K
R178
10K
OPT
C105
2.2uF
10V
2.2uF
10V
CI_ADDR[13]
C109
33pF
50V
33pF
50V
54MHz_XTAL_N
R159
1K
JTAG
5V_HDMI_4
R128
10K
/PCM_WAIT
+3.3V_Normal
HDMI_RX0-
CI_ADDR[3]
BCM_TX
C110
33pF
50V
33pF
50V
TXB1P
+3.3V_Normal
R184
10K
OPT
NAND_ALE
R144
22
OPT
TXA0P
R122
10K
SCL2_3.3V
NAND_DATA[1]
+3.3V_Normal
R106
3K
3K
R119
10K
OPT
TXC3N
R175
10K
OPT
SCL3_3.3V
HDMI_RX0+
R123
10K
OPT
R167
10K
OPT
CI_ADDR[2]
R130
2K
2K
OPT
R110
1.5K
1.5K
R113
10K
R193
10K
R181
10K
OPT
R112
10K
TXACLKP
R148
0
16Gbit
TXB3P
R182
10K
TXC4N
R163
1K
JTAG
+3.3V_Normal
LNB_INT
R114
10K
OPT
OPT
P102
12505WS-10A00
JTAG
1
/TRST
2
TDI
3
TDO
4
TMS
5
TCK
6
/RST
7
DINT
8
VIO
9
GND
10
GND
11
GND
R140
560
1%
1%
R158
10K
R162
1K
JTAG
TXA2P
TXA2N
NAND_RBb
NAND_DATA[4]
R136
33
R149
0
16Gbit
R143
22
OPT
TXC4P
R186
0
BSS83
Q102
S
B
D
G
NAND_DATA[2]
R139
0
JTAG
TXB1N
CI_ADDR[11]
CI_ADDR[9]
5V_HDMI_3
+3.3V_Normal
R166
1K
JTAG
RGB_DDC_SCL
+3.3V_Normal
TXD4N
TXC1N
54MHz_XTAL_P
TXDCLKP
R171
10K
OPT
TXC2N
TXC0N
R160
10K
OPT
TXB0N
NAND_REb
TXC3P
CI_ADDR[6]
R168
10K
PCM_5V_CTL
R189
1M
1M
OPT
+3.3V_Normal
R141
4.7K
TXD0N
54MHz_XTAL_N
R192
10K
OPT
R146
10K
C118
0.1uF
16V
0.1uF
16V
+3.3V_Normal
+3.3V_Normal
/CI_CE2
TXA4P
R164
10K
OPT
+3.3V_Normal
R161
10K
R142
22
OPT
R188
10K
R187
10K
OPT
SDA3_3.3V
NAND_CLE
R109
1.5K
1.5K
FLASH_WP
TXB2P
+3.3V_Normal
TXD3N
+3.3V_Normal
CI_ADDR[2-14]
HDMI_RX2-
R174
4.7K
OPT
RGB_DDC_SDA
NAND_ALE
R126
1.2K
1.2K
R129
1.2K
1.2K
R121
1.2K
1.2K
R131
1.2K
1.2K
R199
22
R197
22
R105
4.7K
4.7K
R104
4.7K
4.7K
IC102
TC58DVG3S0ETA00
NAND_8Gbit
26
NC_17
27
NC_18
28
NC_19
29
I/O1
30
I/O2
31
I/O3
32
I/O4
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
PSL
40
NC_24
41
I/O5
42
I/O6
43
I/O7
44
I/O8
45
NC_25
46
NC_26
47
NC_27
48
NC_28
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
RY/BY
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
IC102-*1
TH58DVG4S0ETA20
DEV_NAND_16Gbit
26
NC_15
27
NC_16
28
NC_17
29
I/O1
30
I/O2
31
I/O3
32
I/O4
33
NC_18
34
NC_19
35
NC_20
36
VSS_2
37
VCC_2
38
NC_21
39
PSL
40
NC_22
41
I/O5
42
I/O6
43
I/O7
44
I/O8
45
NC_23
46
NC_24
47
NC_25
48
NC_26
17
ALE
3
NC_3
6
RY/BY2
16
CLE
15
NC_8
14
NC_7
13
VSS_1
12
VCC_1
11
NC_6
10
CE2
9
CE1
8
RE
7
RY/BY1
4
NC_4
5
NC_5
25
NC_14
24
NC_13
23
NC_12
2
NC_2
22
NC_11
21
NC_10
1
NC_1
20
NC_9
19
WP
18
WE
LGE35230(BCM35230KFSBG)
IC101
NON_BCM_CAP
HDMI0_CLKN
B5
HDMI0_CLKP
C5
HDMI0_D0N
A4
HDMI0_D0P
B4
HDMI0_D1N
A3
HDMI0_D1P
B3
HDMI0_D2N
A2
HDMI0_D2P
B2
CEC
W2
DDC0_SCL
V4
DDC0_SDA
W4
HDMI0_HTPLG_IN
V3
HDMI0_HTPLG_OUT
V2
HDMI0_ARC
D13
HDMI0_RESREF
E6
TXOUT0_L0N
AE27
TXOUT0_L0P
AE28
TXOUT0_L1N
AF27
TXOUT0_L1P
AF28
TXOUT0_L2N
AG27
TXOUT0_L2P
AG28
TXCLK_LN
AE26
TXCLK_LP
AF26
TXOUT0_L3N
AH27
TXOUT0_L3P
AG26
TXOUT0_L4N
AF25
TXOUT0_L4P
AE25
TXOUT0_U0N
AH26
TXOUT0_U0P
AG25
TXOUT0_U1N
AE24
TXOUT0_U1P
AD24
TXOUT0_U2N
AH25
TXOUT0_U2P
AF24
TXCLK_UN
AE23
TXCLK_UP
AD23
TXOUT0_U3N
AG24
TXOUT0_U3P
AF23
TXOUT0_U4N
AC22
TXOUT0_U4P
AD22
TXOUT1_L0N
AG23
TXOUT1_L0P
AH23
TXOUT1_L1N
AE22
TXOUT1_L1P
AE21
TXOUT1_L2N
AF22
TXOUT1_L2P
AH22
TXCLK1_LN
AG22
TXCLK1_LP
AF21
TXOUT1_L3N
AG21
TXOUT1_L3P
AF20
TXOUT1_L4N
AD21
TXOUT1_L4P
AC21
TXOUT1_U0N
AG20
TXOUT1_U0P
AH20
TXOUT1_U1N
AD19
TXOUT1_U1P
AE19
TXOUT1_U2N
AF19
TXOUT1_U2P
AH19
TXCLK1_UN
AE18
TXCLK1_UP
AD18
TXOUT1_U3N
AG19
TXOUT1_U3P
AF18
TXOUT1_U4N
AG18
TXOUT1_U4P
AF17
LT0VCAL_MONITOR
AC18
GPIO_BL_ON
AH16
BL_PWM/GPIO
AG16
LGE35230(BCM35230KFSBG)
IC101
NON_BCM_CAP
TVM_XTALIN
AG6
TVM_XTALOUT
AF6
IRRXDA
V5
FP_IN0
AB4
FP_IN1
Y4
SPARE_ADC1
AA4
SPARE_ADC2
Y5
FS_IN1
AB2
FS_IN2
AB5
VGA_SDA
U3
VGA_SCL
U2
RDA
Y2
TDA
Y1
BSCDATAA
AA3
BSCCLKA
AA2
RDB/GPIO
H3
TDB/GPIO
H2
BSC_S_SCL
H4
BSC_S_SDA
H5
NMIB
F25
POWER_CTRL
W5
AON_HSYNC
U5
AON_VSYNC
U4
AON_GPIO_36
W3
AON_GPIO_37
W1
AON_RESETOUTB
AB6
TVM_BYPASS
Y6
RESETB
Y3
RESETOUTB
G24
TMODE
J6
TESTEN
W6
VDAC_VREG
F7
VDAC_RBIAS
E7
FAD_7
AB1
FAD_6
AB3
FAD_5
AC1
FAD_4
AC2
FAD_3
AC3
FAD_2
AD2
FAD_1
AD3
FAD_0
AE2
FALE
AG1
FCEB_0
AF1
FCEB_1
AC5
FCEB_2
AE6
FCEB_3
AG5
NFWPB
AF3
FWE
AG2
FRD
AE3
FRDYB
AA5
FA_0
AF2
FA_1
AE1
FA_2
AC4
FA_3
AD5
FA_4
AD4
FA_5
AE4
FA_6
AE5
FA_7
AD6
FA_8
AH3
FA_9
AF4
FA_10
AH4
FA_11
AG4
FA_12
AF5
FA_13
AG3
FA_14
AH2
FA_15
AH5
TRSTB
AD15
TDI/GPIO
AF14
TDO
AH14
TMS/GPIO
AD14
TCK/GPIO
AG14
DINT/GPIO
AC16
AVS_VFB
AH7
AVS_VSENSE
AG7
AVS_RESETB
AD7
AVS_NDRIVE_1
AF7
AVS_PDRIVE_1
AH8
VDAC_1
C6
VDAC_2
D7
X101
54MHz
EAW58812611
SUNNY ELECTRONICS CORPORATION
CRYSTAL_BCM_Sunny
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
X101-*2
54MHz
CRYSTAL_BCM_Lihom
EAW60763703
LIHOM CO., LTD.
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
X101-*3
54MHz
CRYSTAL_BCM_KDS
EAW58239604
DAISHINKU CORPORATION.
4
GND_2
1
X-TAL_1
2
GND_1
3
X-TAL_2
C114
12pF
C113
12pF
12pF
MAIN & NAND FLASH
BBS CONNECT
Write Protection
- High : Normal Operation
- Low : Write Protection
- Low : Write Protection
NAND_DATA[0]:
0: System is LITTLE endian (O)
1: System is BIG endian
0: System is LITTLE endian (O)
1: System is BIG endian
CI_ADDR[7]:
0: Disable EDID automatic Downloading from Flash (O)
1: Enable EDID automatic Downloading from Flash
0: Disable EDID automatic Downloading from Flash (O)
1: Enable EDID automatic Downloading from Flash
NAND_DATA[6] :
0: Disable OSC clock output on chip Pin (O)
1: Enable OSC clock output on chip pin.
0: Disable OSC clock output on chip Pin (O)
1: Enable OSC clock output on chip pin.
CI_ADDR[6]:
0: Host MIPS run at 500 MHz (O)
1: Host MIPS run at 250 MHz
0: Host MIPS run at 500 MHz (O)
1: Host MIPS run at 250 MHz
NAND_CLE:
0: Differential Oscillators TVM not bypassed (O)
1: Differential Oscillators TVM bypassed
0: Differential Oscillators TVM not bypassed (O)
1: Differential Oscillators TVM bypassed
NAND_DATA[4]:
0: 27MHz TVM Crystal Frequency
1: 54MHz TVM Crystal Frequency (O)
0: 27MHz TVM Crystal Frequency
1: 54MHz TVM Crystal Frequency (O)
Write Protection
- Low : Normal Operation
- High : Write Protection
- High : Write Protection
000 = ECC disabled
001 = ECC 1-bit repair
010 = ECC 4-bit BCH (O)
011 = ECC 8-bit BCH, 27 byte spare
100 = ECC 12-bit BCH, 27 byte spare
101 = ECC 8-bit BCH, 16 byte spare
110, 111 = Reservedd
001 = ECC 1-bit repair
010 = ECC 4-bit BCH (O)
011 = ECC 8-bit BCH, 27 byte spare
100 = ECC 12-bit BCH, 27 byte spare
101 = ECC 8-bit BCH, 16 byte spare
110, 111 = Reservedd
NAND ECC (FA3, FA2, FALE)
BCM REFRENCE is 562ohm
A8’h
FOR HDMI STANDARD
APPLY ONLY WHEN CONNECT TO PULL-UP GPIO
APPLY ONLY WHEN CONNECT TO PULL-UP GPIO
BCM35230
1
CI_ADDR[9],CI_ADDR[11],CI_ADDR[12],CI_ADDR[13]
TVM Crystal oscillator bias/gain control
0000: 210uA
0001: 390uA
0010: 570uA
0011: 730uA
0100: 890uA (O)
0111: 1290uA
1000: 1416uA
1111: 2196uA
0101, 0110, 1001, 1010, 1011, 1100, 1101, 1110: Reserved
TVM Crystal oscillator bias/gain control
0000: 210uA
0001: 390uA
0010: 570uA
0011: 730uA
0100: 890uA (O)
0111: 1290uA
1000: 1416uA
1111: 2196uA
0101, 0110, 1001, 1010, 1011, 1100, 1101, 1110: Reserved
CI_ADDR[8]:
0: RESETOUTb (in On/Off only) stay asserted until software releases them.
1: Fix amount of delay for de-assertion on RESETOUTb (in On/IOff only)
at end of RESETb pulse (O)
0: RESETOUTb (in On/Off only) stay asserted until software releases them.
1: Fix amount of delay for de-assertion on RESETOUTb (in On/IOff only)
at end of RESETb pulse (O)
NAND_DATA[3]:
0: MIPS will boot from external flash (O)
1: MIPS will boot from ROM
0: MIPS will boot from external flash (O)
1: MIPS will boot from ROM
NAND_DATA[5]:
0: FLASH MODE (O)
1: BSC_SLAVE(BBS) MODE
0: FLASH MODE (O)
1: BSC_SLAVE(BBS) MODE
Boot ROM Device Select - (FA4,FAD7,FAD2,FAD1)
0000: ST Micro M25P or compatible Serial Flash
0010: 8-bit 512Mbit 512B page SLC NAND Flash devices
0100: 8-bit 128, 256Mbit 512B page SLC NAND Flash devices
0110: 8-bit 1Gbit 2KB page SLC NAND Flash devices
1000: 8-bit 2Gbit, 4Gbit, 8Gbit 2KB page SLC NAND Flash devices
1010: 8-bit 16Gbit, 32Gbit 4KB page SLC NAND Flash devices (O)
0001: 8-bit 8/16/32Gbit 2KB page MLC NAND Flash devices
0011: 8-bit 16/32Gbit 4KB page MLC NAND Flash devices
0101: 8-bit 32Gbit 8KB page MLC NAND Flash devices
0111: 3B dual IO Serial Flash
1001: BB dual IO Serial Flash
1011: fast Serail Flash > 50Mhz
1100: OneNAND Flash (always 16-bit)
1110: Reserved
1101, 1111: Reserved
0010: 8-bit 512Mbit 512B page SLC NAND Flash devices
0100: 8-bit 128, 256Mbit 512B page SLC NAND Flash devices
0110: 8-bit 1Gbit 2KB page SLC NAND Flash devices
1000: 8-bit 2Gbit, 4Gbit, 8Gbit 2KB page SLC NAND Flash devices
1010: 8-bit 16Gbit, 32Gbit 4KB page SLC NAND Flash devices (O)
0001: 8-bit 8/16/32Gbit 2KB page MLC NAND Flash devices
0011: 8-bit 16/32Gbit 4KB page MLC NAND Flash devices
0101: 8-bit 32Gbit 8KB page MLC NAND Flash devices
0111: 3B dual IO Serial Flash
1001: BB dual IO Serial Flash
1011: fast Serail Flash > 50Mhz
1100: OneNAND Flash (always 16-bit)
1110: Reserved
1101, 1111: Reserved
NAND FLASH MEMORY 8Gbit
57
Strap Setting
54MHz X-TAL
NVRAM
IC102
1ST : EAN60999801 2ND : T-TC58DVG3S0ETA00
DUAL COMPONENT
IC102-*1
DVB_S Option: apply EU Satellite model
2010.09.18
16Gbit
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