Read LG 55LS675H (CHASSIS:LA2AG) 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.
PM_TS[5]
PM_TS[1]
PCM_A[12]
PCM_A[11]
PM_TS[3]
TS[6]
PM_TS[4]
TS[7]
PCM_A[0]
PCM_A[10]
PCM_A[9]
TS[2]
PCM_A[6]
TS[0]
PCM_A[1]
TS[1]
PCM_A[8]
PCM_A[7]
PCM_A[2]
PCM_D[5]
PCM_A[4]
PCM_A[5]
PCM_D[4]
PCM_D[3]
PCM_A[3]
PCM_A[14]
PCM_D[2]
PM_TS[7]
PM_TS[0]
TS[3]
PCM_D[1]
PCM_D[0]
PCM_D[7]
PCM_A[13]
PCM_D[6]
TS[4]
PM_TS[2]
PM_TS[6]
TS[5]
PCM_A[1]
PCM_A[5]
PCM_A[2]
PCM_A[3]
PCM_A[6]
PCM_A[7]
PCM_A[4]
PCM_A[0]
/PCM_IOWR
/PCM_CD
/PCM_WE
5V_DET_HDMI_4
R120
22
AMP_MUTE
C108
0.1uF
0.1uF
OPT
INV_CTL
R146
33
R132
10K
10K
RGB_DDC_SDA
DSUB_DET
PANEL_CTL
TS_VALID
PCM_RST
I2C_SDA
SUB_MUTE
AV_CVBS_DET
PM_TS[0-7]
IC102-*1
H27U1G8F2BTR-BC
NAND_FLASH_1G_HYNIX
EAN35669102
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
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
R/B
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
/PF_CE1
R151
33
IC102-*3
TC58NVG0S3ETA0BBBH
NAND_FLASH_1G_TOSHIBA
EAN61508001
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
NC_24
40
NC_25
41
I/O5
42
I/O6
43
I/O7
44
I/O8
45
NC_26
46
NC_27
47
NC_28
48
NC_29
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
/FLASH_WP
AR103
22
R154
22
OPT
S7_TX
RGB_DDC_SCL
USB1_CTL
/PCM_IORD
PM_TS_CLK
POWER_DET
/PCM_CE
TS[0-7]
PCM_A[0-14]
USB1_OCD
R137
22
/PF_OE
R147
33
ERROR_OUT
MODEL_OPT_1
PWM1
PF_ALE
PWM0
/PF_CE0
/PF_WE
AMP_RESET
/SPI_CS
TUNER_RESET
MODEL_OPT_2
R101
22
SPI_SDO
MODEL_OPT_3
/PCM_OE
R133
10K
10K
PCM_5V_CTL
PCM_D[0-7]
S7_RX
R119
22
/PCM_REG
R103
22
PM_TS_VALID
S7_TX
5V_DET_HDMI_2
/F_RB
R136
22
R114
22
/PCM_IRQA
R150
22
IC102-*2
K9F1G08U0D-SCB0
NAND_FLASH_1G_SS
EAN61857001
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
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
R/B
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
C109
0.1uF
5V_DET_HDMI_1
PM_TS_SYNC
R139
22
TS_CLK
/PF_WP
S7_RX
SPI_SDI
MODEL_OPT_0
RL_ON
/PCM_WAIT
I2C_SCL
POWER_ON/OFF1
+5V_Normal
SPI_SCK
PWM2
AR104
22
TS_SYNC
R100
22
R164
22
MODEL_OPT_4
MODEL_OPT_5
PM_MODEL_OPT_0
OLP
IC101
LGE2112-T8
S7LR_DIVX_MS10
PCMDATA[0]/GPIO126
W21
PCMDATA[1]/GPIO127
AA18
PCMDATA[2]/GPIO128
AB22
PCMDATA[3]/GPIO120
AE20
PCMDATA[4]/GPIO119
AA15
PCMDATA[5]/GPIO118
AE21
PCMDATA[6]/GPIO117
AB21
PCMDATA[7]/GPIO116
Y15
PCMADR[0]/GPIO125
W20
PCMADR[1]/GPIO124
V20
PCMADR[2]/GPIO122
W22
PCMADR[3]/GPIO121
AB18
PCMADR[4]/GPIO99
AA20
PCMADR[5]/GPIO101
AA21
PCMADR[6]/GPIO102
Y19
PCMADR[7]/GPIO103
AB17
PCMADR[8]/GPIO108
Y16
PCMADR[9]/GPIO110
AB19
PCMADR[10]/GPIO114
AB20
PCMADR[11]/GPIO112
AA16
PCMADR[12]/GPIO104
AA19
PCMADR[13]/GPIO107
AC21
PCMADR[14]/GPIO106
AA17
PCMREG_N/GPIO123
Y20
PCMOE_N/GPIO113
AB15
PCMWE_N/GPIO197
AA22
PCMIORD_N/GPIO111
AD22
PCMIOWR_N/GPIO109
AD20
PCMCE_N/GPIO115
AD21
PCMIRQA_N/GPIO105
AC20
PCMCD_N/GPIO130
Y18
PCMWAIT_N/GPIO100
Y21
PCM_RESET/GPIO129
Y22
PCM2_CE_N/GPIO131
U21
PCM2_IRQA_N/GPIO132
V21
PCM2_CD_N/GPIO135
R20
PCM2_WAIT_N/GPIO133
T20
PCM2_RESET/GPIO134
U22
UART1_TX/GPIO43
D4
UART1_RX/GPIO44
E4
UART2_TX/GPIO65
N25
UART2_RX/GPIO64
N24
UART3_TX/GPIO47
B8
UART3_RX/GPIO48
A8
I2C_SCKM2/DDCR_CK/GPIO72
P23
I2C_SDAM2/DDCR_DA/GPIO71
P24
DDCA_DA/UART0_TX
D2
DDCA_CK/UART0_RX
D1
PWM0/GPIO66
P21
PWM1/GPIO67
N23
PWM2/GPIO68
P22
PWM3/GPIO69
R21
PWM4/GPIO70
P20
PWM_PM/GPIO199
F6
SAR0/GPIO31
H6
SAR1/GPIO32
G5
SAR2/GPIO33
G4
SAR3/GPIO34
J5
SAR4/GPIO35
J4
VSYNC_LIKE/GPIO145
R23
SPI1_CK/GPIO201
R24
SPI1_DI/GPIO202
R25
SPI2_CK/GPIO203
T21
SPI2_DI/GPIO204
T22
NF_CE1Z/GPIO138
AE18
NF_WPZ/GPIO198
AC17
NF_CEZ/GPIO137
AD18
NF_CLE/GPIO136
AC18
NF_REZ/GPIO139
AC19
NF_WEZ/GPIO140
AD17
NF_ALE/GPIO141
AE17
NF_RBZ/GPIO142
AD19
GPIO_PM[0]/GPIO6
H5
PM_UART_TX/GPIO_PM[1]/GPIO7
K6
GPIO_PM[2]/GPIO8
K5
GPIO_PM[3]/GPIO9
J6
GPIO_PM[4]/GPIO10
K4
PM_UART_RX/GPIO_PM[5]/GPIO11
L6
PM_SPI_SCZ1/GPIO_PM[6]/GPIO12
C2
GPIO_PM[7]/GPIO13
L5
GPIO_PM[8]/GPIO14
M6
GPIO_PM[9]/GPIO15
M5
PM_SPI_SCZ2/GPIO_PM[10]/GPIO16
C1
GPIO_PM[11]/GPIO17
M4
PM_SPI_SCK/GPIO1
A2
PM_SPI_CZ0/GPIO_PM[12]/GPIO0
D3
PM_SPI_SDI/GPIO2
B2
PM_SPI_SDO/GPIO3
B1
TS0CLK/GPIO87
Y14
TS0VALID/GPIO85
AA10
TS0SYNC/GPIO86
Y12
TS0DATA_[0]/GPIO77
Y13
TS0DATA_[1]/GPIO78
Y11
TS0DATA_[2]/GPIO79
AA12
TS0DATA_[3]/GPIO80
AB12
TS0DATA_[4]/GPIO81
AA14
TS0DATA_[5]/GPIO82
AB14
TS0DATA_[6]/GPIO83
AA13
TS0DATA_[7]/GPIO84
AB11
TS1CLK/GPIO98
AC15
TS1VALID/GPI96
AD15
TS1SYNC/GPIO97
AC16
TS1DATA_[0]/GPIO88
AD16
TS1DATA_[1]/GPIO89
AE15
TS1DATA_[2]/GPIO90
AE14
TS1DATA_[3]/GPIO91
AC13
TS1DATA_[4]/GPIO92
AC14
TS1DATA_[5]/GPIO93
AD12
TS1DATA_[6]/GPIO94
AD13
TS1DATA_[7]/GPIO95
AD14
IC101
LGE2112-T8
S7LR_DIVX_MS10
GPIO36
C7
GPIO37
E6
GPIO38
F5
GPIO39
B6
GPIO40
E5
GPIO41
D5
GPIO42
B7
GPIO45
E7
GPIO46
F7
GPIO49
AB5
GPIO50
AB3
GPIO51
A9
GPIO52
F4
I2C_SCKM0/GPIO53
AB1
I2C_SDAM0/GPIO54
N6
GPIO73
AB2
GPIO74
AC2
LVA0P
AB25
LVA0N
AB23
LVA1P
AC25
LVA1N
AB24
LVA2P
AD25
LVA2N
AC24
LVA3P
AE23
LVA3N
AC23
LVA4P
AC22
LVA4N
AD23
LVB0P
V23
LVB0N
U24
LVB1P
V25
LVB1N
V24
LVB2P
W25
LVB2N
W23
LVB3P
AA23
LVB3N
Y24
LVB4P
AA25
LVB4N
AA24
LVACKP
AE24
LVACKN
AD24
LVBCKP
Y23
LVBCKN
W24
GPIO196
T25
GPIO193
U23
GPIO194
T24
GPIO195
T23
MODEL_OPT_6
MODEL_OPT_7
OLP
PTC_RX_S7_3.3V
PTC_TX_S7
IC102-*4
HY27UF082G2B-TPCB
NAND_FLASH_2G_HYNIX
EAN60708701
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
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
R/B
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
IC104-*1
M24256-BRMN6TP
NVRAM_ST
EAN61548301
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
RXA1-
RXB4-
RXB4+
RXB1+
RXB3-
RXA2+
RXACK+
RXA3-
RXA1+
RXA0+
RXA4+
RXA3+
RXA4-
RXB2+
RXB3+
RXACK-
RXA0-
RXB0+
RXA2-
RXB1-
RXB2-
RXB0-
RXBCK+
RXBCK-
R173
22
EXT_PTC_RESET
EXT_PTC_UPDATE
R172
22
R110
22
R142
22
R122
22
OPT
R158
22
OPT
PTC_RX_S7_3.3V
PTC_TX_S7
R159
22 OPT
R149
22
OPT
R162
10K
IC101-*1
LGE2111A-TE
UO4_LGE2111A-TE
GPIO36
C7
GPIO37
E6
GPIO38
F5
GPIO39
B6
GPIO40
E5
GPIO41
D5
GPIO42
B7
GPIO45
E7
GPIO46
F7
GPIO49
AB5
GPIO50
AB3
GPIO51
A9
GPIO52
F4
I2C_SCKM0/GPIO53
AB1
I2C_SDAM0/GPIO54
N6
GPIO73
AB2
GPIO74
AC2
LVA0P
AB25
LVA0N
AB23
LVA1P
AC25
LVA1N
AB24
LVA2P
AD25
LVA2N
AC24
LVA3P
AE23
LVA3N
AC23
LVA4P
AC22
LVA4N
AD23
LVB0P
V23
LVB0N
U24
LVB1P
V25
LVB1N
V24
LVB2P
W25
LVB2N
W23
LVB3P
AA23
LVB3N
Y24
LVB4P
AA25
LVB4N
AA24
LVACKP
AE24
LVACKN
AD24
LVBCKP
Y23
LVBCKN
W24
GPIO196
T25
GPIO193
U23
GPIO194
T24
GPIO195
T23
IC101-*3
LGE2111A-VD
UO4_LGE2111A-VD
GPIO36
C7
GPIO37
E6
GPIO38
F5
GPIO39
B6
GPIO40
E5
GPIO41
D5
GPIO42
B7
GPIO45
E7
GPIO46
F7
GPIO49
AB5
GPIO50
AB3
GPIO51
A9
GPIO52
F4
I2C_SCKM0/GPIO53
AB1
I2C_SDAM0/GPIO54
N6
GPIO73
AB2
GPIO74
AC2
LVA0P
AB25
LVA0N
AB23
LVA1P
AC25
LVA1N
AB24
LVA2P
AD25
LVA2N
AC24
LVA3P
AE23
LVA3N
AC23
LVA4P
AC22
LVA4N
AD23
LVB0P
V23
LVB0N
U24
LVB1P
V25
LVB1N
V24
LVB2P
W25
LVB2N
W23
LVB3P
AA23
LVB3N
Y24
LVB4P
AA25
LVB4N
AA24
LVACKP
AE24
LVACKN
AD24
LVBCKP
Y23
LVBCKN
W24
GPIO196
T25
GPIO193
U23
GPIO194
T24
GPIO195
T23
IC101-*2
LGE2111A-T8
UO4_LGE2111A-T8
GPIO36
C7
GPIO37
E6
GPIO38
F5
GPIO39
B6
GPIO40
E5
GPIO41
D5
GPIO42
B7
GPIO45
E7
GPIO46
F7
GPIO49
AB5
GPIO50
AB3
GPIO51
A9
GPIO52
F4
I2C_SCKM0/GPIO53
AB1
I2C_SDAM0/GPIO54
N6
GPIO73
AB2
GPIO74
AC2
LVA0P
AB25
LVA0N
AB23
LVA1P
AC25
LVA1N
AB24
LVA2P
AD25
LVA2N
AC24
LVA3P
AE23
LVA3N
AC23
LVA4P
AC22
LVA4N
AD23
LVB0P
V23
LVB0N
U24
LVB1P
V25
LVB1N
V24
LVB2P
W25
LVB2N
W23
LVB3P
AA23
LVB3N
Y24
LVB4P
AA25
LVB4N
AA24
LVACKP
AE24
LVACKN
AD24
LVBCKP
Y23
LVBCKN
W24
GPIO196
T25
GPIO193
U23
GPIO194
T24
GPIO195
T23
D5005
1N4148W
IC102
NAND01GW3B2CN6E
NAND_FLASH_1G_NUMONYX
EAN60762401
26
NC_17
27
NC_18
28
NC_19
29
I/O0
30
I/O1
31
I/O2
32
I/O3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VDD_2
38
NC_23
39
NC_24
40
NC_25
41
I/O4
42
I/O5
43
I/O6
44
I/O7
45
NC_26
46
NC_27
47
NC_28
48
NC_29
17
AL
3
NC_3
6
NC_6
16
CL
15
NC_10
14
NC_9
13
VSS_1
12
VDD_1
11
NC_8
10
NC_7
9
E
8
R
7
RB
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
W
+3.3V_Normal
C102
10uF
C101
0.1uF
AR102
22
R104
10K
OPT
R102
3.3K
/PF_OE
/PF_CE1
/PF_WE
Q101
MMBT3904(NXP)
MMBT3904(NXP)
OPT
E
B
C
C103
0.1uF
+3.3V_Normal
PF_ALE
+3.3V_Normal
R109
3.9K
PCM_A[0-7]
R107
1K
AR101
22
/PF_CE0
R105
1K
1K
OPT
/F_RB
/PF_WP
R108
1K
OPT
R106
1K
1K
A_DIM
PWM2
C111
2.2uF
2.2uF
R157
100
PWM_DIM
R156
10K
PWM0
R117
1K
OPT
R165
1K
R121
1K
OPT
R123
1K
OPT
R115
1K
OPT
R152
1K
OPT
+3.3V_Normal
C112
100pF
50V
100pF
50V
R124
1K
AUD_MASTER_CLK_0
R148
56
LED_R
R118
1K
R116
1K
PWM1
R153
1K
AUD_MASTER_CLK
PWM0
AUD_SCK
R145
2.2K
+3.3V_Normal
AMP_SCL
R140
1K
R141
1K
I2C_SCL
R144
2.2K
I2C_SDA
AMP_SDA
I2C_SCL
R128
22
R127
4.7K
C107
0.1uF
R113
4.7K
+3.3V_Normal
I2C_SDA
IC103
CAT24C08WI-GT3-H-RECV(TV)
3
A2
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WP
8
VCC
R129
22
C104
8pF
8pF
OPT
C105
0.1uF
C106
8pF
8pF
OPT
R111
22
I2C_SCL
IC104
AT24C256C-SSHL-T
NVRAM_ATMEL
EAN61133501
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
+3.3V_Normal
R112
22
I2C_SDA
R176
10K
PM_MODEL_OPT_0
R175
10K
PM_MODEL_OPT_1
EXT_SPK_DET
SENSOR_SDA
SENSOR_SCL
R125
1K
SENSOR_SDA
SENSOR_SCL
R126
1K
+3.5V_ST
20111008
FLASH/EEPROM/GPIO
1
for SYSTEM/HDCP
EEPROM&URSA3
EEPROM&URSA3
for SERIAL FLASH
37LT670H-UA
PM MODEL OPTION
applied on only SMALL PCB
S7LR --> Pro:Idiom
Pro:Idiom --> S7LR
NAND FLASH MEMORY
DIMMING
<CHIP Config>
(I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0)
(I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0)
<CHIP Config(LED_R/BUZZ)>
Boot from SPI CS1N(EXT_FLASH) 1’b0
Boot from SPI_CS0N(INT_FLASH) 1’b1
Boot from SPI CS1N(EXT_FLASH) 1’b0
Boot from SPI_CS0N(INT_FLASH) 1’b1
B51_no_EJ : 4’b0000 Boot from 8051 with SPI flash
SB51_WOS : 4’b0001 Secure B51 without scramble
SB51_WS : 4’b0010 Secure B51 with scramble
MIPS_SPE_NO_EJ : 4’b0100 Boot from MIPS with SPI flash
MIPS_SPI_EJ_1 : 4’b0101 Boot from MIPS with SPI flash
MIPS_SPI_EJ_2 : 4’b0110 Boot from MIPS with SPI flash
MIPS_WOS : 4’b1001 Secure MIPS without scramble
MIPS_WS : 4’b1010 Scerur MIPS with SCRAMBLE
SB51_WOS : 4’b0001 Secure B51 without scramble
SB51_WS : 4’b0010 Secure B51 with scramble
MIPS_SPE_NO_EJ : 4’b0100 Boot from MIPS with SPI flash
MIPS_SPI_EJ_1 : 4’b0101 Boot from MIPS with SPI flash
MIPS_SPI_EJ_2 : 4’b0110 Boot from MIPS with SPI flash
MIPS_WOS : 4’b1001 Secure MIPS without scramble
MIPS_WS : 4’b1010 Scerur MIPS with SCRAMBLE
I2C
HDCP EEPROM
Addr:10101--
EEPROM
A0’h
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