DOWNLOAD LG 22LD350 (CHASSIS:LA04A) Service Manual ↓ Size: 5.59 MB | Pages: 60 in PDF or view online for FREE

Model
22LD350 (CHASSIS:LA04A)
Pages
60
Size
5.59 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
22ld350-chassis-la04a.pdf
Date
PREV: LG 22LD350 / 22LD350C / 22LD350N / 22LD351 / 22LD355 / 22LD358 (CHASSIS:LD01A) Service Manual

LG 22LD350 (CHASSIS:LA04A) Service Manual ▷ View 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.
MMAIN_SOC_1
TS_DATA[0]
TS_DATA[3]
TS_DATA[4]
TS_DATA[2]
TS_DATA[6]
TS_DATA[5]
TS_DATA[7]
TS_DATA[1]
PCM_A[0]
PCM_A[4]
PCM_A[5]
PCM_A[3]
PCM_A[1]
PCM_A[2]
PCM_A[6]
PCM_A[7]
PCM_A[7]
PCM_A[3]
PCM_A[2]
PCM_A[4]
PCM_A[6]
PCM_A[5]
PCM_A[1]
PCM_A[0]
R2104
0
FE_DEMOD_SCL
010:AK22
SCL1
001:AR30
SCL0
001:AB28
FE_TUNER_SCL
001:AQ29;010:Q25
R2100
0
SDA0
001:AB28
SCL_SUB/AMP
004:J28;006:K12
+3.3V_Normal
+5V_Normal
R2105
0
R2101
0
FE_DEMOD_SDA
010:AK21
FE_TUNER_SDA
001:AQ28;010:Q24
SDA_SUB/AMP
004:J27;006:K12
SDA1
001:AR30
PWM1
001:AB24;001:AL12
R147
1K
OPT
R150
1K
+3.3V_Normal
+3.3V_Normal
PWM0
001:AB24;001:AL12
R118
4.7K
OPT
R132
4.7K
OPT
R148
1K
OPT
R151
1K
C100
0.1uF
R157
1K
OPT
R156
1K
PF_WP
001:AB29
R158
3.9K
+3.3V_Normal
/PF_OE
001:AB29
IC102
HY27US08121B-TPCB
HYNIX
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
PRE
39
NC_23
40
NC_24
41
I/O4
42
I/O5
43
I/O6
44
I/O7
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
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
R153
10K
+3.3V_Normal
R154
1K
OPT
C162
0.1uF
C131
0.1uF
/PF_CE0
001:AB30
PF_ALE
001:AB29
+3.3V_Normal
/PF_WE
001:AB29
/F_RB
001:AB29
/PF_CE1
001:AB30
R155
1K
C161
10uF 6.3V
D102
ENKMC2838-T112
A1
C
A2
+3.5V_ST
NTP_MUTE
001:AB20
AMP_MUTE
006:W10
SB_MUTE
001:AA22;001:AR32
R245
100
SDA0
001:AN7
ERROR_OUT
007:M20
INV_CTL
007:M21
R238
100
RL_ON
004:E21
R201
100
R243
100
KEY2
004:B27;004:D11
R221
100
R200
100
C182
1uF
OPT
USB_CTL
004:AL28
R232
0
R196
100
OPT
/PF_WE
001:T7
R249
100
S5/S6_Reset
001:V17
Flash_WP_1
001:C11
TP806
R250
100
R185
1.2K
R253
10K
SDA1
001:AN6
IR
004:I24;004:AD4
TS_CLK
010:AC19;010:AK19
A_DIM
007:A23
SPI_CS
001:E12
PF_WP
001:Q7
NTP_MUTE
001:H15
R224
100
R242
100
R191
22
PWM0
001:N11;001:AL12
ISP_TXD
001:AR31;004:AB26
R227
33
PANEL_CTL
007:R23
PWM1
001:N10;001:AB24
AMP_RST
006:K19
FE_TUNER_SCL
001:AI8;010:Q25
TS_VALID
010:AC20;010:AK19
SCL1
001:AN6
/PF_CE0
001:S10
R237
100
R225
33
+3.5V_ST
SCL0
001:AN6
R226
33
R248
100
R195
100
R235
100
SIDE_AV_OPT
R220
100
PF_ALE
001:T8
R193
0
R192
22
PWM1
001:N10;001:AL12
R244
100
R252
1M
/PF_OE
001:S10
TS_SYNC
010:AC19;010:AK20
R251
100
SPI_CK
001:I11
USB_OCD
004:AN27;004:AN28
C181
1uF
KEY1
004:B28;004:D12
PWM0
001:N11;001:AB24
ISP_RXD
004:AB26
R219
100
SPI_DO
001:E11
PWM_DIM
007:N19;008:V15;008:AE24
DBG_RX
001:AB27;004:AE8
R231
0
/F_RB
001:S11
EEPROM_SDA
001:H5;001:O16;001:AO8
FE_TUNER_SDA
001:AI8;010:Q24
EEPROM_SCL
001:H6;001:O16;001:AO8
POWER_ON/OFF1
007:O27;007:Q25;004:E21;010:AG9
EEPROM_WP
005:AH25;005:AH19;005:AH13;004:AB27
/PF_CE1
001:T8
SPI_DI
001:I10
TS_DATA[0-7]
010:AD18
R2160
22
19"~22"
R255
100
R267
22
HDMI_1
R268
22
HDMI_2
EEPROM_SDA
001:H5;001:O16;001:AB28
EEPROM_SCL
001:H6;001:O16;001:AB28
R2172
33
OPT
R2123
33
OPT
R2124
33
OPT
R2175
100
OPT
R2173
100
OPT
R2176
100
OPT
R2174
100
OPT
R2185
22
R2186
22
HDMI_4
R2187
22
OPT
R2188
100
R2189
100
R2190
0
R2193
100
R2194
22
DSUB_DET
004:AC22
SIDE_USB_DP
004:AK26
SIDE_USB_DM
004:AK26
EEPROM_SCL
001:O16;001:AB28;001:AO8
EEPROM_SDA
001:O16;001:AB28;001:AO8
AV_CVBS_DET
004:F5
R110
100
R2127
0
R2125
0
R2126
0
R178
33
OPT
SB_MUTE
001:H16;001:AR32
SIDEAV_DET
004:AN15
R111
100
OPT
TUNER_RESET
010:D13
VSB_RESET
010:AJ26
POWER_ON/OFF2_1
007:AH18;007:AN26
R112
0
R179
22
OPT
X100
12MHz
R186
100
OPT
R2111
33
R2112
33
R180
0
PCM_A[0-7]
PCM_A[0-7]
EEPROM_SCL
001:H6;001:AB28;001:AO8
IC105
CAT24WC08W-T
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R182
22
C197
0.1uF
R106
4.7K
R181
22
EEPROM_SDA
001:H5;001:AB28;001:AO8
+3.3V_Normal
DBG_RX
DBG_TX
R183
22
R184
22
COMP1_DET
004:Y4
5V_DET_HDMI_4
5V_DET_HDMI_2
R197
4.7K
OPT
R2106
4.7K
OPT
L105
OPT
L104
+5V_Normal
R189
100
PWM2
001:AB23
PWM2
001:AL12
R284
0
OPT
+3.5V_ST
R283
10K
FHD
R287
0
HD
R286
0
Normal LED
R281
10K
HD
R282
10K
Moving LED
R280
10K
R285
0
FHD
R218
0
R215
0
R216
0
R217
0
R239
0
R240
0
R202
0
R203
0
R2191 0
+3.5V_ST
R258
10K
OPT
Q101
KRC103S
OPT
R2108
1.2K
R2107
1.2K
R2110
1.2K
R2109
1.2K
+3.5V_ST
C121
10uF
6.3V
Q108
2SC3052
E
B
C
C120
4.7uF
10V
S5/S6_Reset
SW100
1
2
4
3
R135
100
R228
100
R133
10K
R134
10K
+3.5V_ST
IC104
AT24C512BW-SH-T
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R131
3.3K
R2222
100
POWER_DET
R2221
100
DBG_TX
IC100
MSD3159GV
HWRESET
D4
PCMD0/CI_D0
AC16
PCMD1/CI_D1
AA15
PCMD2/CI_D2
AA16
PCMD3/CI_D3
AC6
PCMD4/CI_D4
Y10
PCMD5/CI_D5
Y11
PCMD6/CI_D6
Y12
PCMD7/CI_D7
Y13
PCM_A0/CI_A0
AB16
PCM_A1/CI_A1
AC15
PCM_A2/CI_A2
AC14
PCM_A3/CI_A3
AB14
PCM_A4/CI_A4
AC12
PCM_A5/CI_A5
AB8
PCM_A6/CI_A6
AC13
PCM_A7/CI_A7
AA9
PCM_A8/CI_A8
AB5
PCM_A9/CI_A9
AA4
PCM_A10/CI_A10
V4
PCM_A11/CI_A11
Y4
PCM_A12/CI_A12
AB9
PCM_A13/CI_A13
AA7
PCM_A14/CI_A14
AD6
PCM_RST/CI_RST
AA14
PCM_CD/CI_CD
AB18
/PCM_OE
Y5
PCM_REG/CI_CLK
AB15
PCM_WAIT/CI_WACK
AA10
/PCM_IRQA
AC8
/PCM_WE
AC7
PCM_IOWR/CI_WR
AA5
PCM_IOR/CI_RD
W4
/PCM_CE
T4
/PF_CE0
AE6
/PF_CE1
AF6
/PF_OE
AA12
/PF_WE
AA11
PF_ALE
AC9
PF_AD15
Y14
F_RBZ
AB11
UART2_TX/SCKM
F8
UART2_RX/SDAM
D11
DDCR_DA
AB21
DDCR_CK
AC21
DDCA_CLK
J1
DDCA_DA
J2
UART_RX2
W5
UART_TX2
V5
PWM0
AB13
PWM1
AB12
PWM2
AD12
PWM3
AA13
SAR0
A4
SAR1
B4
SAR2
F4
SAR3
E4
IRIN
C4
GPIO44
AC11
GPIO96
D9
GPIO88
D10
GPIO90/I2S_OUT_MUTE
D7
GPIO91
E11
GPIO97
E8
GPIO98
E10
GPIO99
D6
GPIO103/I2S_OUT_SD3
D5
GPIO102
C5
XIN
B3
XOUT
A3
TESTPIN/GND
E6
SPI_DI
AE11
SPI_DO
AF12
/SPI_CS
AE12
SPI_CK
AD11
USB_DP_1
B5
USB_DM_1
A5
USB_DM_2
AC10
USB_DP_2
AB10
GPIO_PM0/GPIO134
E5
GPIO_PM1/GPIO135
F5
GPIO_PM2/GPIO136
G5
GPIO_PM3/GPIO137
H5
GPIO_PM4/GPIO138
F6
GPIO_PM5/INT1/GPIO139
G6
GPIO_PM6/INT2/GPIO140
H6
GPIO131/LDE/SPI_WPn1
AC17
GPIO130/LCK
AB17
GPIO132/LHSYNC/SPI_WPn
AF11
GPIO60/PCM2_RESET/RX1
AA18
GPIO62/PCM2_CD_N/TX1
AA17
LHSYNC2/I2S_OUT_MUTE/RX1
E7
LVSYNC/GPIO133
AC18
GPIO79/LVSYNC2/TX1
C6
UART2_RX/GPIO84
F9
UART2_TX/GPIO85
F10
UART1_RX/GPIO86
A6
UART1_TX/GPIO87
B6
GPIO42/PCM2_CE_N
AF5
GPIO43/PCM2_IRQA_N
AF10
TS0_D0
AA8
TS0_D1
Y8
TS0_D2
Y9
TS0_D3
AB7
TS0_D4
AA6
TS0_D5
AB6
TS0_D6
U4
TS0_D7
AC5
TS0_SYNC
AC4
TS0_VLD
AD5
TS0_CLK
AB4
TS1_D0
AB19
TS1_SYNC
AA20
TS1_VLD
AC19
TS1_CLK
AA19
ET_TXD0
C10
ET_TXD1
B11
ET_TX_CLK
A9
ET_RXD0
C11
ET_RXD1
C9
ET_TX_EN
B10
ET_MDC
A10
ET_MDIO
B9
ET_COL
A11
GPIO67
A7
GPIO68
B8
C187
20pF
C186
20pF
IC103
MAX810RTR
1
GND
3
VCC
2
RESET
R266
3.3K
R260
3.3K
POWER_DET
PWM3
001:AL12
PWM3
001:AB23
LED_B/LG_LOGO
007:N19;008:V15;008:AE24
LED_R/BUZZ
007:A23
R115
100
HP_DET
SIDE_HP_MUTE
POWER_ON/OFF2_2
007:AH18;007:AN26
HP_MUTE
004:AL28
OLP
001:H15
R187
1K
R113
1K
OPT
AR100
22
AR101
22
AR103
22
AR102
22
IC102-*1
NAND512W3A2CN6E
NUMONIX
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
MAIN_SOC_1
I2C
MCU BOOT STRAP
10 : BOOT 51
11 : BOOT RISC
EEPROM
NAND FLASH MEMORY
/PF_CE0
H : Serial Flash
L : NAND Flash
/PF_CE1
H : 16 bit
L :   8 bit
Audio Mute
1
USB
ISP Debug port for S5
Stand-by GPIO
Stand-by GPIO(SAR[0-3])
PWM Dimming
Interrupt for ISP Wake up in STB Mode
$0.199
Addr:10101--
HDCP EEPROM
D6   D7     E11  B9
S5 Reset
LD350
----------------------
      HIGH     LOW
D6    LCD      PDP
D7    B_LVDS   A_LVDS
E11   MOVING : PWM R/B
B9    FHD      HD
----------------------
09.09.03
I2C for Tuner_5V
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.
Main_SOC_2
TXA3-[3]
TXA3+[2]
TXA4-[1]
TXA4+[0]
TXA2-[7]
TXA2+[6]
TXAC-[5]
TXAC+[4]
TXA1-[9]
TXA1+[8]
C165
330uF
OPT
C185
0.1uF
C180
0.1uF
C199
0.1uF
C2105
0.1uF
C168
0.1uF
C171
0.1uF
C174
0.1uF
C177
0.1uF
C2110
0.1uF
C194
0.1uF
C190
0.1uF
C150
0.1uF
C105
0.047uF
C130
0.1uF
R145
100
C142
2.2uF
C149
0.1uF
C124
0.047uF
C143
2.2uF
C134
2.2uF
SIDE_AV_OPT
R122
47
CEC_REMOTE
005:L26
R161
22
R129
47
R170
22K
D0+_HDMI4
005:H6
R149
22
C151
0.01uF
C155
22pF
OPT
C156
0.01uFOPT
R174
22K
OPT
R127
47
+3.3V_Normal
R140
47
D2-_HDMI4
005:H4
DSUB_HSYNC
004:R23
C113
0.047uF
R160
22
R138
47
R169
100
OPT
R164
100
DSUB_R
004:R20
C148
0.1uF
DDC_SCL_4
005:H8;005:AH13
DSUB_G
004:R21
C102
0.047uF
R139
100
C128
0.1uF
DSUB_B
004:R23
R124
47
C129
10uF 10V
C145
2.2uF
MS_SCK
006:K13
C154
22pF
OPT
R117
100
C108
0.047uF
C144
2.2uF
SPDIF_OUT
006:D6
C103
0.047uF
R177
22K
OPT
HPD4
005:G10
C157
22pF
OPT
R172
47
R107
10K
C139
2.2uF
C118
0.047uF
C153
0.01uF
R125
47
C146
0.1uF
R121
47
R120
47
AUDIO_MASTER_CLK
006:K18
C106
0.047uF
R114
47
SIDE_AV_OPT
R176
22K
OPT
R143
0
HDMI_4
R142
0
HDMI_4
MS_LRCH
006:K13
DDC_SDA_4
005:H8;005:AH12
FE_SIF
010:P20
C123
0.047uF
CK+_HDMI4
005:H7
R171
47
R109
10K
R173
22K
R162
22
R159
100
C112
0.047uF
SIDE_AV_OPT
R166
100
OPT
D2+_HDMI4
005:H4
R167
100
OPT
R152
390
1%
D0-_HDMI4
005:H6
R165
100
C114
0.047uF
C135
2.2uF
SIDE_AV_OPT
D1-_HDMI4
005:H5
D1+_HDMI4
005:H5
C136
2.2uF
C133
4.7uF
C138
2.2uF
R163
22
R146
22
R141
47
C137
2.2uF
C127
0.1uF
C152
22pF
OPT
R128
47
TP803
R168
100
OPT
C132
1uF
AV_CVBS_IN
004:F4
C160
0.01uF
OPT
C122
0.047uF
C119
0.047uF
R137
47
DSUB_VSYNC
004:R24
C101
0.047uF
R175
22K
OPT
C158
0.01uF
OPT
C107
0.047uF
CK-_HDMI4
005:H7
C147
0.1uF
C159
0.01uF
OPT
C125
0.047uF
R126
47
FE_VMAIN
010:S17
AV_R_IN
004:F7
SIDEAV_L_IN
004:AN14
PC_L_IN
004:AO20
SIDEAV_R_IN
004:AN13
AV_L_IN
004:F6
MS_LRCK
006:K13
+1.8V_DDR
VCOMO
010:N15
SIFMO
010:P19
R2122
100
SIDEAV_CVBS_IN
004:AN16
R2116
0
HDMI_2
D2-_HDMI2
005:H14
DDC_SDA_2
005:H18;005:AH18
D0+_HDMI2
005:H15
DDC_SCL_2
005:H18;005:AH19
D1+_HDMI2
005:H14
D2+_HDMI2
005:H13
D0-_HDMI2
005:H16
CK-_HDMI2
005:H17
D1-_HDMI2
005:H15
HPD2
005:H19
CK+_HDMI2
005:H16
R2117
0
HDMI_2
AR109
22
AR107
22
AR108
22
AR106
22
FHD
AR105
22
FHD
AR104
22
FHD
TXA0+[10],TXA0-[11],TXA1+[8],TXA1-[9],TXA2+[6],TXA2-[7],TXA3+[2],TXA3-[3],TXA4+[0],TXA4-[1],TXAC+[4],TXAC-[5]
PC_R_IN
004:AO21
COMP1_Y
004:Y4
COMP1_PB
004:Y5
COMP1_PR
004:Y6
COMP1_L_IN
004:Y7
COMP1_R_IN
004:Y8
R123
470
R130
470
C109
1000pF
C104
1000pF
C2111
10uF
R2220
0
MSD3159GV
IC100
RXACKP
F1
RXACKN
F2
RXA0P
G2
RXA0N
G3
RXA1P
H3
RXA1N
G1
RXA2P
H1
RXA2N
H2
DDCD_A_DA
A1
DDCD_A_CK
B2
HOTPLUG_A
A2
RXBCKP
C3
RXBCKN
B1
RXB0P
C1
RXB0N
C2
RXB1P
D2
RXB1N
D3
RXB2P
E3
RXB2N
D1
DDCD_B_DA
E1
DDCD_B_CK
F3
HOTPLUG_B
E2
RXCCKP
AE8
RXCCKN
AD8
RXC0P
AD9
RXC0N
AF8
RXC1P
AF9
RXC1N
AE9
RXC2P
AE10
RXC2N
AD10
DDCD_C_DA
AE7
DDCD_C_CK
AF7
HOTPLUG_C
AD7
CEC
J3
HSYNC0/SC1_ID
N2
VSYNC0/SC1_FB
N1
RIN0P/SC1_R
P2
GIN0P/SC1_G
R3
BIN0P/SC1_B
R1
SOGIN0/SC1_CVBS
P3
RINM
P1
BINM
T3
GINM
R2
HSYNC1/DSUB_HSYNC
K3
VSYNC1/DSUB_VSYNC
K2
RIN1P/DSUB_R
L1
GIN1P/DSUB_G
L3
BIN1P/DSUB_B
K1
SOGIN1
L2
RIN2P/COMP_PR+
V1
GIN2P/COMP_Y+
V2
BIN2P/COMP_PB+
U1
SOGIN2
V3
VSYNC2
J5
CVBS1/SC1_CVBS
U3
CVBS2/SC2_CVBS
U2
CVBS3/SIDE_CVBS
T1
VCOM1
T2
CVBS4/S-VIDEO_Y
M1
CVBS6/S-VIDEO_C
M2
CVBS5
N3
CVBS7
M3
CVBS0/RF_CVBS
W1
VCOM0
Y3
CVBSOUT0/SC2_MNTOUT
Y2
CVBSOUT1
AA2
LVA0P
AE16
LVA0M
AD16
LVA1P
AD15
LVA1M
AF16
LVA2P
AF15
LVA2M
AE15
LVA3P
AD13
LVA3M
AF14
LVA4P
AF13
LVA4M
AE13
LVACKP
AE14
LVACKM
AD14
LVB0P
AE20
LVB0M
AD20
LVB1P
AD19
LVB1M
AF20
LVB2P
AF19
LVB2M
AE19
LVB3P
AD17
LVB3M
AF18
LVB4P
AF17
LVB4M
AE17
LVBCKP
AE18
LVBCKM
AD18
AUR0
AA3
AUL0
Y1
AUR1
AE1
AUL1
AF3
AUR2
AE3
AUL2
AE2
AUR3
AA1
AUL3
AB1
AUR4
AB2
AUL4
AC2
AUR5
AB3
AUL5
AC3
SIF0P
W3
SIF0M
W2
SPDIF_IN
F11
SPDIF_OUT
E9
AUOUTR0/HP_ROUT
AF1
AUOUTL0/HP_LOUT
AF2
AUOUTR1/SC1_ROUT
AD3
AUOUTL1/SC1_LOUT
AD1
AUOUTR2/SC2_ROUT
AC1
AUOUTL2/SC2_LOUT
AD2
I2S_OUT_MCK
A8
I2S_OUT_WS
B7
I2S_OUT_BCK
C7
I2S_OUT_SD
D8
I2S_IN_SD
C8
VCLAMP
K4
REFP
H4
REFM
J4
REXT
G4
AUCOM
AE5
AUVRM
AE4
AUVRP
AF4
AUVAG
AD4
R144
220
HDMI_4
R2118
220
HDMI_2
C110
68pF
C111
68pF
C2124
0.1uF
C2133
0.1uF
C198
0.1uF
C170
0.1uF
C2126
0.1uF
C163
330uF
OPT
C2131
0.1uF
C164
0.1uF
C2130
0.1uF
C2129
0.1uF
C2123
0.1uF
C176
0.1uF
L101
BLM18PG121SN1D
C189
0.1uF
+3.3V_Normal
+3.3V_VDDP
C2128
0.1uF
C179
0.1uF
C2109
0.1uF
C2120
0.1uF
C2135
0.1uF
C193
0.1uF
C2119
0.1uF
C2125
0.1uF
C188
0.1uF
C2134
0.1uF
C175
0.1uF
C167
0.1uF
C195
0.1uF
C173
0.1uF
C2132
0.1uF
C184
0.1uF
C2104
0.1uF
C196
0.1uF
C183
0.1uF
C2137
0.1uF
C166
0.1uF
C178
0.1uF
C2115
0.1uF
C2136
0.1uF
C2127
0.1uF
C172
0.1uF
C169
0.1uF
C217
0.1uF
+3.3V_AVDD_MPLL
+3.3V_VDDP
L109
BLM18PG121SN1D
C208
0.1uF
C218
0.1uF
C215
0.1uF
C204
0.1uF
+3.3V_Normal
C191
0.1uF
+3.3V_Normal
C205
0.1uF
C209
0.1uF
C201
10uF
10V
+1.8V_DDR
C202
0.1uF
+3.3V_Normal
C214
0.1uF
+3.3V_Normal
C207
0.1uF
C192
0.1uF
L106
BLM18PG121SN1D
L103
BLM18PG121SN1D
L107
BLM18PG121SN1D
+3.3V_Normal
C200
0.1uF
C210
0.1uF
+3.3V_Normal
C206
0.1uF
IC100
MSD3159GV
VDDC_1
D16
VDDC_2
D17
VDDC_3
D18
VDDC_4
D19
VDDC_5
D20
VDDC_6
H18
VDDC_7
H19
VDDC_8
H20
VDDC_9
J20
VDDC_10
K20
VDDC_11
L20
VDDC_12
M20
VDDC_13
P7
VDDC_14
R7
VDDC_15
T7
VDDC_16
T22
VDDC_17
U7
VDDC_18
U20
VDDC_19
U22
VDDC_20
V7
VDDC_21
V22
VDDC_22
W11
VDDC_23
W12
VDDC_24
W19
VDDC_25
W20
VDDC_26
W22
VDDC_27
Y22
VDDP_1
H9
VDDP_2
H10
VDDP_3
H11
VDDP_4
H12
VDDP_5
N20
VDDP_6
P20
VDDP_7
W9
VDDP_8
W10
AVDD_AU
W7
AVDD_DDR_1
G12
AVDD_DDR_2
G13
AVDD_DDR_3
H13
AVDD_DDR_4
H14
AVDD_DDR_5
H15
AVDD_DDR_6
H16
AVDD_DDR_7
W14
AVDD_DDR_8
W15
AVDD_DDR_9
W16
AVDD_DDR_10
W17
AVDD_DDR_11
W18
AVDD_MEMPLL_1
H17
AVDD_MEMPLL_2
T20
AVDD_MEMPLL_3
V20
AVDD_LPLL
R20
AVDD_MPLL
H7
AVDD_33_1
J7
AVDD_33_2
K7
AVDD_33_3
L7
AVDD_33_4
M7
AVDD_33_5
N7
AVDD_DM
W8
AVDD_USB
H8
GND_2
E16
GND_3
E17
GND_4
E18
GND_5
F7
GND_6
L9
GND_7
L10
GND_8
L11
GND_9
L12
GND_10
L13
GND_11
L14
GND_12
L15
GND_13
L16
GND_14
L17
GND_15
L18
GND_16
M9
GND_17
M10
GND_18
M11
GND_19
M12
GND_20
M13
GND_21
M14
GND_22
M15
GND_23
M16
GND_24
M17
GND_25
M18
GND_26
N4
GND_27
N9
GND_28
N10
GND_29
N11
GND_30
N12
GND_31
N13
GND_32
N14
GND_33
N15
GND_34
N16
GND_35
N17
GND_36
N18
GND_37
P4
GND_38
P9
GND_39
P10
GND_40
P11
GND_41
P12
GND_42
P13
GND_43
P14
GND_44
P15
GND_45
P16
GND_46
P17
GND_47
P18
GND_48
R4
GND_49
R9
GND_50
R10
GND_51
R11
GND_52
R12
GND_53
R13
GND_54
R14
GND_55
R15
GND_56
R16
GND_57
R17
GND_58
R18
GND_59
T5
GND_60
T9
GND_61
T10
GND_62
T11
GND_63
T12
GND_64
T13
GND_65
T14
GND_66
T15
GND_67
T16
GND_68
T17
GND_69
T18
GND_70
U5
GND_71
W13
GND_72
Y21
GND_73
AA23
C203
0.1uF
C211
0.1uF
C216
0.1uF
C219
0.1uF
L108
BLM18PG121SN1D
L102
BLM18PG121SN1D
H/P_R
006:K18
H/P_L
006:K18
+1.26V_VDDC
+1.26V_VDDC
CVBS
Close to IC
as close as possible 
TV/MNT
DSUB
COMPONENT1
HDMI1/2/3(Side)
MAIN_SOC_2
LD350
09.09.03
2
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.
+5V_USB
C467
0.1uF
50V
R411
10K
OPT
C482
100pF
50V
OPT
C472
22uF
10V
R461
4.7K
1%
R456
10K
R452
10
1/10W
1%
+1.8V_DDR
R441
0
IC403
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
POWER_ON/OFF1
POWER_ON/OFF1
L423
3.6uH
NR8040T3R6N
POWER_ON/OFF2_1
C439
100pF
50V
R416
33K
1%
R442
22K 1%
L421
3.6uH
NR8040T3R6N
R444
24K
1%
R464
10K
C463
100pF
50V
L420
CIC21J501NE
R417
6.2K
1%
+5V_USB
+12V/+15V
C429
100pF
50V
OPT
+12V/+15V
C410
0.1uF
R460
27K
1%
C453
22uF
10V
C444
1uF
10V
L416
+3.5V_ST
L401
IC405
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C423
100pF
50V
OPT
C430
22uF
10V
C424
0.1uF
16V
+1.26V_VDDC
C473
0.1uF
16V
C457
10uF
25V
+3.3V_Normal
C448
0.1uF
50V
R455
0
C461
22uF
10V
0.1uF
C456
R432
75K
1/8W
1%
C405
10uF
25V
C459
10uF
25V
L413
C465
1uF
10V
0.1uF
C476
R436
10
1/10W
1%
C428
0.1uF
16V
C464
2200pF
C414
1uF
50V
+3.5V_ST
R454
9.1K
L406
3.6uH
NR8040T3R6N
POWER_ON/OFF1
IC407
MP2212DN
3
IN
2
GND
4
BS
1
FB
5
VCC
6
SW_1
7
SW_2
8
EN/SYNC
R410
10K
R462
10K
1%
L415
3.6uH
NR8040T3R6N
IC401
MP8706EN-C247-LF-Z
3
SW_2
2
SW_1
4
BST
1
IN
5
EN/SYNC
6
FB
7
VCC
8
GND
R445
10K
OPT
C420
22uF
10V
C469
22uF
10V
L424
CIC21J501NE
C485
0.1uF
16V
R487
22
C478
0.1uF
50V
C479
2.2uF
19"~22"
50V
R469
0
26"~32"
2012
C481
0.1uF
50V
C480
0.01uF
50V
RL_ON
R476
0
1/10W
19"~22"
2012
+24V/+15V
+12V
R477
0
26"~32"
2012
R428
2.2K
19"~22"
AMP_VCC
R468
22K
19"~22"
+12V/+15V
Q411
19"~22"
RT1C3904-T112
E
B
C
Q407
2SC3052
E
B
C
C436
0.01uF
25V
+5V_Normal
L412
12V_PANEL
Q406
2SC3052
E
B
C
R435
22K
R440 1.8K
12V_PANEL
R439-*1
22K
5V_PANEL
R440-*1
2.7K
5V_PANEL
PANEL_VCC
C455
0.1uF
16V
C451
1uF
25V
PANEL_CTL
1:AK10
C438
0.1uF
16V
R429
47K
L411
5V_PANEL
C442
10uF
16V
OPT
R439
10K
12V_PANEL
R431
22K
R430
10K
OPT
+12V/+15V
C443
4.7uF
16V
R450
14K
1%
PD_+3.5V
R448-*1
16K
PD_+15V
+12V/+15V
R446
30K
1%
PD_+24V
R480
100
OPT
IC408
NCP803SN293
1
GND
3
VCC
2
RESET
IC409
NL17SZ08DFT2G
OPT
3
2
4
1
5
R488
100K
+24V/+15V
POWER_DET
+3.5V_ST
R481
3K
R482
20K
+12V
R463
10K
OPT
R446-*1
24K
PD_+20V
R483
10K
C483
0.1uF
+3.5V_ST
+3.5V_ST
R447
5.1K
1/16W
5%
EXCEPT_PD_+3.5V
R448
12K
1%
PD_+12V
R423
0
1/4W
3216
R406
4.7K
R453
0
LGD_26"~32"
0
R472
AUO
OPC_OUT
P403
FW20020-24S
NORMAL_26~32
19
12V
14
GND
9
3.5V
4
24V
18
INV_ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/OLP
11
3.5V
6
GND
1
PWR_ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM
23
GND
24
Err_OUT/NC
0
R471
NON_AUO_26"~32"
0
R420
LGD
Q401
2SC3052
E
B
C
L404
MLB-201209-0120P-N2
C407
0.1uF
16V
0
R437
AUO/SHARP
+24V/+15V
C419
1uF
25V
OPT
R418
6.8K
OPT
L407
MLB-201209-0120P-N2
C418
0.1uF
50V
C401
100uF
16V
P402
SMAW200-12
NORMAL_19~22
1
+15V
2
+15V‘
3
GND
4
GND
5
+3.5V_ST
6
3.5V_ST
7
GND
8
OLP
9
INV_EN
10
PWM_DIM
11
A_DIM
12
NC
+3.3V_Normal
+3.5V_ST
+3.5V_ST
C426
68uF
35V
R421
10K
+3.5V_ST
C416
0.1uF
OPT
R401
10K
26"~32"
C404
0.1uF
16V
C402
100uF
16V
L402
MLB-201209-0120P-N2
R413
0
19"~22"
PWM_DIM
A_DIM
ERROR_OUT
C406
0.1uF
16V
C408
0.1uF
16V
R486
4.7K
0
R424
NON_OPC
Q402
RT1P141C-T112
1
2
3
RL_ON
Q405
2SC3052
E
B
C
0
R470
LGD_OPC
R426
10K
R427
10K
OPT
OLP
+12V
INV_CTL
+3.3V_Normal
+3.5V_ST
C400
0.1uF
16V
+3.3V_AVDD_MPLL
L400
BLM18PG121SN1D
L417
R459
10K
C477
0.1uF
16V
C471
22uF
10V
R465
51K
5%
C458
10uF
25V
+5V_Normal
R467
10K
1%
POWER_ON/OFF1
L422
3.6uH
NR8040T3R6N
+12V/+15V
C466
2200pF
C460
10uF
25V
R466
1.5K
1%
C427
100pF
50V
OPT
IC406
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
R419
1K
R412
1K
26"~32"
R9825
1K
Sharp
C403
0.1uF
16V
C411
0.1uF
16V
C9809
22uF
10V
C9810
22uF
10V
POWER_ON/OFF1
+3.3V_Normal
R407
10K
OPT
R408
10K
OPT
R457
15K
5%
R449
12K
1/10W
5%
R414
0
19"~22"
R409
0
19"~22"
R479
0
Q410
19"~22"
AO3407A
G
D
S
Q409
AO3407A
G
D
S
+3.3V_Normal
R434
10K
OPT
R451
22K
OPT
R473
22K
OPT
R438
10K
R443
47K
OPT
Q400
2SC3052
OPT
E
B
C
R405
0
19"~22"
R400
0
OPT
R402
100K
R415
100K
OPT
R422
120K OPT
R425
120K
OPT
R403
33K
OPT
R404
33K
OPT
R433
33K
OPT
+3.3V_Normal
R474
10K
R475
10K
OPT
+3.3V_Normal
R458
9.1K
IC400
TJ3965S-3.3V-3L
GND
OUT
IN
R2
R2
3A
Placed on SMD-TOP
Vout=0.8*(1+R1/R2)
3A
Placed on SMD-TOP
+5V_USB
C IN
1074 mA
S7M DDR 1.8V
3A
1934 mA
Vout=(1+R1/R2)*0.8
Placed on SMD-TOP
R2
Placed on SMD-TOP
R1
Replaced Part
R1
R1
R1
Close to IC
Vout=(1+R1/R2)*0.8
MAX 2000mA
2026 mA
Close to IC
C IN
Vout=0.8*(1+R1/R2)
Replaced Part
S7M core 1.26V volt
3A
+3.3V_Normal
R2
+15V Control
New item
PANEL_POWER
UNDER CHECKING
12V-->3.58V
20V-->3.5V
15V-->3.6V
Power_DET
ST_3.5V-->3.5V
24V-->3.48V
INV_ON
20
GND
18
A-DIM
PWM_DIM
PWM_DIM
LGD
Err_out
AUO
PWM_DIM
<OS MODULE PIN MAP>
Err_out
24
INV_ON
22
INV_ON
Err_out
V4:VBR-A
V5:NC
A-DIM
PWM_DIM
FROM LIPS & POWER B/D
SHARP
NC
PIN No
INV_ON
CMO(09)
Power Block
LD350
09.09.03
2
+3.3V_AVDD_MPLL
Vout=0.8*(1+R1/R2)
Vout=0.8*(1+R1/R2)
MAX 1A
+5V_Normal
R2
R1
3A
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.
KEY2
D2404
5.6V
CDS3C05HDMI1
OPT
R2412
100
EYEQ
R2403
22
COMERTIAL
R2408
47K
COMERTIAL
C2408
1000pF
50V
OPT
R2409
47K
COMERTIAL
+3.5V_ST
C2405
0.1uF
16V
C2402
0.1uF
26"~32"
D2401
5.6V
AMOTECH
26"~32"
R2402
100
C2407
100pF
50V
C2404
1000pF
50V
L2402
BLM18PG121SN1D
26"~32"
C2401
0.1uF
26"~32"
LED_R/BUZZ
+3.3V_Normal
+3.5V_ST
C2406
1000pF
50V
D2403
5.6V
CDS3C05HDMI1
OPT
R2410
100
C2410
0.1uF
16V
OPT
R2401
100
LED_B/LG_LOGO
C2409
1000pF
50V
OPT
+3.5V_ST
KEY1
L2403
BLM18PG121SN1D
L2401
BLM18PG121SN1D
26"~32"
R2411
100
EYEQ
C2403
0.1uF
16V
R2416
10K
Q2402
2SC3052
COMERTIAL
E
B
C
D2405
5.6V
AMOTECH
L2404
BLM18PG121SN1D
IR_OUT
D2402
5.6V
AMOTECH
26"~32"
R2404
10K
1%
R2405
10K
1%
P2401
12507WR-12L
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
ST_3.3V
7
GND
8
LED_B
9
IR
10
GND
11
+3.3V
12
LED_R
13
GND
R2425
47K
Q2406
2SC3052
E
B
C
R2429
47K
R2430
10K
R2431
47K
R2428
22
+3.5V_ST
Q2405
2SC3052
E
B
C
+3.5V_ST
IR
+3.5V_ST
R2426
3.3K
OPT
R2427
0
OPT
SCL_SUB/AMP
SDA_SUB/AMP
L2405
BLM18PG121SN1D
19"~22"
D2407
5.6V
19"~22"
C2412
0.1uF
16V
19"~22"
P2402
12507WR-03L
19"~22"
1
2
3
4
C2411
0.1uF
16V
19"~22"
D2406
5.6V
19"~22"
L2406
BLM18PG121SN1D
19"~22"
R2413
1.5K
R2414
1.5K
CONTROL
IR & LED
IR & LED
COMMERCIAL
6
LD350
09.09.03
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