DOWNLOAD LG 55LE8500 / 55LE850N / 55LE8800 / 55LE8900 (CHASSIS:LD03E) Service Manual ↓ Size: 5.65 MB | Pages: 40 in PDF or view online for FREE

Model
55LE8500 55LE850N 55LE8800 55LE8900 (CHASSIS:LD03E)
Pages
40
Size
5.65 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55le8500-55le850n-55le8800-55le8900-chassis-ld03e.pdf
Date

LG 55LE8500 / 55LE850N / 55LE8800 / 55LE8900 (CHASSIS:LD03E) 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.
2009.09.11
URSA3 (NO L.D.)
COMMON
90
FRC_DQL[3]
FRC_A[7]
FRC_DQU[1]
FRC_A[10]
FRC_A[8]
FRC_A[9]
FRC_A[11]
FRC_DQL[2]
FRC_DQL[0]
FRC_DQL[4]
FRC_DQL[6]
FRC_DQU[3]
FRC_DQL[1]
FRC_DQL[5]
FRC_DQU[0]
FRC_DQU[2]
FRC_DQU[5]
FRC_A[0]
FRC_DQU[4]
FRC_A[1]
FRC_A[2]
FRC_A[3]
FRC_A[12]
FRC_DQU[6]
FRC_A[6]
FRC_A[4]
FRC_DQL[7]
FRC_DQU[7]
FRC_A[5]
FRC_DQSL
+1.26V_MEMC
LVDS_TX_1_DATA1_N
RXD1-
C9033
0.1uF
LVDS_TX_0_CLK_P
FRC_WEB
FRC_CONF0
LVDS_TX_1_DATA2_N
RXD4-
AVDD_DDR
LVDS_TX_0_DATA2_P
R9044
1K
OPT
L9001
CIC21J501NE
AVDD_LVDS
RXA1+
LVDS_TX_0_DATA0_P
FRC_CONF0
FRC_SPI_DI
C9004
10uF
L9000
CIC21J501NE
FRC_BA2
C9018
0.1uF
RXB3-
L9006
CIC21J501NE
FRC_CASB
LVDS_TX_1_DATA4_N
FRC_MCLK
C9015
0.1uF
LVDS_TX_1_DATA0_N
RXB2+
LVDS_TX_0_DATA1_N
FRC_SPI_CZ
R9006
10
R9024
100
FRC_SPI_CK
RXCCK+
LVDS_TX_0_CLK_N
RXD2-
AVDD
C9011
0.1uF
R9045
1K
C9008
10uF
C9009
0.1uF
FRC_PWM1
FRC_DQSLB
RXA0+
C9013
0.1uF
FRC_A[0-12]
+3.3V_MEMC
RXB1-
LVDS_TX_1_DATA3_N
R9029
1M
R9011
100
RXA1-
GVDD_EVEN
C9029
0.1uF
RXA2+
RXB2-
AVDD_DDR
RXB3+
RXBCK+
R9021
100
FRC_BA1
RXA3-
R9025
100
R9032
100
GVDD_ODD
R9020
100
C9016
0.1uF
FRC_CONF0
FRC_RASB
C9025
10uF
RXD4+
RXB0-
R9019
100
RXA0-
AVDD_LVDS
LVDS_TX_1_DATA1_P
FRC_DQU[0-7]
R9037
0
MINI_LVDS
FRC_PWM0
RXC4+
FRC_CKE
FRC_DQSUB
AVDD
R9051
1K
OPT
C9027
0.1uF
FRC_SPI_DO
R9038
100
LD_SCAN
FRC_PWM0
RXA4-
R9014
100
RXA4+
RXBCK-
+3.3V_MEMC
FRC_SPI_CZ
+3.3V_MEMC
AVDD_PLL
LVDS_TX_1_CLK_N
FRC_MCLKB
C9024
10uF
LVDS_TX_1_CLK_P
RXDCK+
RXDCK-
C9010
0.1uF
C9035
0.1uF
LVDS_TX_0_DATA4_N
FRC_CONF1
C9017
0.1uF
C9030
0.1uF
R9027
100
RXA3+
R9039
100
LD_SCAN
LVDS_TX_1_DATA2_P
RXD3+
C9006
10uF
FRC_DQSU
FRC_BA0
R9049
1K
OPT
FRC_CONF1
RXC3-
C9014
0.1uF
RXCCK-
FRC_PWM0
R9016
100
FRC_DML
FRC_PWM1
R9030
0
URSA3
LVDS_TX_1_DATA0_P
RXB0+
RXD0-
RXC1-
LVDS_TX_0_DATA4_P
LVDS_TX_0_DATA2_N
C9021
0.1uF
+1.5V_MEMC
R9018
100
AVDD_PLL
R9015
100
GCLK4
C9034
0.1uF
R9047
1K
OPT
R9022
100
LVDS_TX_0_DATA3_P
FRC_SPI_DO
RXD3-
R9017
100
RXC2-
RXB1+
R9040
0
C9031
0.1uF
C9026
0.1uF
RXC0+
C9005
0.1uF
R9026
100
+3.3V_MEMC
FRC_DDR3_RESETB
GCLK2
VDDP
C9012
0.1uF
VDDC
LVDS_TX_0_DATA0_N
RXC1+
R9005
10
R9041
820
RXD1+
RXA2-
RXACK+
AVDD_MEMPLL
LVDS_TX_0_DATA1_P
LVDS_TX_1_DATA4_P
RXB4-
C9007
10uF
FRC_RESET
FRC_DMU
SCAN_BLK2
AVDD_MEMPLL
FRC_SPI_DI
R9048
1K
FRC_SPI_CK
R9028
100
RXD2+
L9002
CIC21J501NE
R9012
100
H_CONV
C
9
0
2
8
0
.
1
u
F
FRC_PWM1
RXC3+
+3.3V_MEMC
RXC2+
FRC_DQL[0-7]
R9000
10
C9032
0.1uF
VDDC
RXACK-
R9023
100
LVDS_TX_1_DATA3_P
RXC4-
C9000
10uF
VDDP
L9005
CIC21J501NE
R9013
100
R9002
10K
DPM_A
L9003
CIC21J501NE
R9001
10
C9023
0.1uF
RXB4+
C9022
0.1uF
LVDS_TX_0_DATA3_N
R9050
1K
+3.3V_MEMC
FRC_ODT
SCAN_BLK1/OPC_OUT
L9004
CIC21J501NE
RXD0+
RXC0-
R9031
100
+3.3V_MEMC
R9046
1K
V_SYNC
R9043
0
OPT
SDA1_3.3V
SCL1_3.3V
URSA3_SDA
URSA3_SCL
URSA3_SCL
URSA3_SDA
URSA3_SDA
URSA3_SCL
X9000
12MHz
P9000
12505WS-04A00
1
2
3
4
5
L9007
CIC21J501NE
C9036
10uF
C9037
0.1uF
VDDC
+3.3V_MEMC
SW9000
JTP-1127WEM
1
2
4
3
R9003
22
R9004
22
+3.3V_MEMC
R9007
22
R9008
22
SDA3_3.3V
SCL3_3.3V
C9020
10uF
C9003
10uF
C9019
10uF
C9001
10uF
C9002
10uF
R9034
4.7K
URSA3_NON_MIRROR
R9033
4.7K
URSA3_MIRROR
R9035
4.7K
URSA3_MINI_LVDS
R9036
4.7K
URSA3_LVDS
R9010
22
OPT
R9009
22
OPT
IC9000
MX25L4005CM2I-12G
URSA3_FLASH_MACRONIX
EAN61009401
3
WP#
2
SO
4
GND
1
CS#
5
SI
6
SCLK
7
HOLD#
8
VCC
IC9000-*2
W25X40VSSIG
URSA3_FLASH_WINBOND_OLD
EAN35097301
3
WP
2
DO
4
GND
1
CS
5
DIO
6
CLK
7
HOLD
8
VCC
LGE7378A[FRC_TCON_URSA3]
IC9001
URSA3
DDR3_A0/DDR2_NC
E2
DDR3_A1/DDR2_A6
U6
DDR3_A2/DDR2_A7
E3
DDR3_A3/DDR2_A1
G2
DDR3_A4/DDR2_CASZ
R4
DDR3_A5/DDR2_A10
G1
DDR3_A6/DDR2_A0
U5
DDR3_A7/DDR2_A5
F3
DDR3_A8/DDR2_A2
T5
DDR3_A9/DDR2_A9
F1
DDR3_A10/DDR2_A11
R6
DDR3_A11/DDR2_A4
R5
DDR3_A12/DDR2_A8
T6
DDR3_BA0/DDR2_BA2
G3
DDR3_BA1/DDR2_ODT
U4
DDR3_BA2/DDR2_A12
E1
DDR3_MCLK/DDR2_MCLK
U1
DDR3_MCLKZ/DDR2_MCLKZ
U2
DDR3_CKE/DDR2_RASZ
T4
DDR3_ODT/DDR2_BA1
H2
DDR3_RASZ/DDR2_WEZ
J1
DDR3_CASZ/DDR2_CKE
H3
DDR3_WEZ/DDR2_BA0
H1
DDR3_RESET/DDR2_A3
F2
DDR2_DQS0/DDR3_DQS0
M3
DDR2_DQS1/DDR3_DQS1
N2
DDR2_DQSB0/DDR3_DQSB0
N1
DDR2_DQSB1/DDR3_DQSB1
N3
DDR2_DQ7/DDR3_DQM0
R2
DDR2_DQ11/DDR3_DQM1
K3
DDR2_DQ6/DDR3_DQ0
K2
DDR2_DQ0/DDR3_DQ1
R3
DDR2_DQ1/DDR3_DQ2
K1
DDR2_DQ2/DDR3_DQ3
T1
DDR2_DQ4/DDR3_DQ4
J2
DDR2_NC/DDR3_DQ5
T3
DDR2_DQ3/DDR3_DQ6
J3
DDR2_DQ5/DDR3_DQ7
T2
DDR2_DQ8/DDR3_DQ8
P2
DDR2_DQ14/DDR3_DQ9
L3
DDR2_DQ13/DDR3_DQ10
R1
DDR2_DQ12/DDR3_DQ11
L1
DDR2_DQ15/DDR3_DQ12
P1
DDR2_DQ9/DDR3_DQ13
L2
DDR2_DQ10/DDR3_DQ14
P3
DDR2_DQM1/DDR3_DQ15
M1
DDR2_DQM0/DDR3_NC
M2
I2CM_SDA
C9
I2CM_SCL
D9
I2CM_SDA2_L
P7
I2CM_SCL2_L
N8
I2CM_SDA2_R
P9
I2CM_SCL2_R
N10
AVDD_1
F8
AVDD_2
F9
AVDD_DDR_1
L5
AVDD_DDR_2
L6
AVDD_DDR_3
L7
AVDD_DDR_4
L8
AVDD_DDR_5
M7
AVDD_DDR_6
M8
AVDD_LVDS_1
G12
AVDD_LVDS_2
H12
AVDD_LVDS_3
J12
AVDD_LVDS_4
K12
AVDD_MEMPLL
M6
AVDD_PLL_1
F11
AVDD_PLL_2
F12
DVDD_DDR[1.26V]
J5
VDD_EVEN
E16
VDD_ODD
E17
VDDC_1
F6
VDDC_2
F7
VDDC_3
G5
VDDC_4
G6
VDDC_5
G7
VDDC_6
H5
VDDC_7
H6
VDDC_8
J6
VDDP_1
G11
VDDP_2
K5
VDDP_3
K6
VDDP_4
M10
VDDP_5
M11
VSS_1
C10
VSS_2
C12
VSS_3
G8
VSS_4
G9
VSS_5
G10
VSS_6
H7
VSS_7
H8
VSS_8
H9
VSS_9
H10
VSS_10
H11
VSS_11
J4
VSS_12
J7
VSS_13
J8
VSS_14
J9
VSS_15
J10
VSS_16
J11
VSS_17
K7
VSS_18
K8
VSS_19
K9
VSS_20
K10
VSS_21
K11
VSS_22
L9
VSS_23
L10
VSS_24
L11
VSS_25
M9
VSS_26
N4
VSS_27
P6
A10
A10
A11
A11
A12
A12
B10
B10
B11
B11
B12
B12
C11
C11
D11
D11
TESTPIN
L13
VB1_TEST
F10
A0P/RV0+
B14
A0M/RV0-
A14
A1P/RV1+
C14
A1M/RLV1-
C15
A2P/RV2+
A15
A2M/RV2-
B15
ACKP/R3+
B16
ACKM/RV3-
A16
A3P/RV4+
A17
A3M/RV4-
B17
A4P/RV5+
C16
A4M/RV5-
C17
B0P/RV6+
D16
B0M/RV6-
D17
B1P/RV7+
D15
B1M/RV7-
E15
B2P/RV8+
F16
B2M/RV8-
F17
BCKP/WPWM
F15
BCKM/OPT_P
G15
B3P/OPT_N
G17
B3M/FLK
G16
B4P/GCLK6
H16
B4M/GLCK5
H17
C0P/LV0+
H15
C0M/LV0-
J15
C1P/LV1+
J17
C1M/LV1-
J16
C2P/LV2+
K16
C2M/LV2-
K17
CCKP/LV3+
K15
CCKM/LV3-
L15
C3P/LV4+
L17
C3M/LV4-
L16
C4P/LV5+
M16
C4M/LV5-
M17
D0P/LV6+
M15
D0M/LV6-
N15
D1P/LV7+
N17
D1M/LV7-
N16
D2P/LV8+
P15
D2M/LV8-
R15
DCKP/GOE
R17
DCKM/GSC/GCLK3
R16
D3P/GSP_R
T16
D3M/GSP
T17
D4P/SOE
T15
D4M/POL
U17
GCLK4
P16
GCLK2
P17
I2CS_SDA
D1
I2CS_SCL
D2
PWM0
P14
PWM1
R14
LPLL_FBCLK
B13
LPLL_OUTCLK
U16
LPLL_REFIN
A13
RECKP
A2
RECKN
B2
RE0P
A4
RE0N
B4
RE1P
C3
RE1N
C4
RE2P
B3
RE2N
A3
RE3P
C1
RE3N
C2
RE4P
B1
RE4N
A1
ROCKP
A6
ROCKN
B6
RO0P
A8
RO0N
B8
RO1P
C7
RO1N
C8
RO2P
B7
RO2N
A7
RO3P
C5
RO3N
C6
RO4P
B5
RO4N
A5
XTALO
A9
XTALI
B9
GPIO[0]
K14
GPIO[1]
J13
GPIO[2]
H14
GPIO[3]
G13
GPIO[4]
F14
GPIO[5]
E13
GPIO[8]
D3
GPIO[9]
D4
GPIO[10]
E4
GPIO[12]
D5
GPIO[13]
D7
GPIO[14]
F4
M_S_PIF_CLK_1
R7
M_S_PIF_CLK_2
U8
M_S_PIF_CS
U7
M_S_PIF_DA1
T8
M_S_PIF_FC
T7
S_M_PIF_CLK
U14
S_M_PIF_CS
U15
S_M_PIF_DA0
R13
S_M_PIF_DA1
T13
S_M_PIF_FC
T14
LTD_CLK_L
T10
LTD_CLK_R
T11
LTD_DA0_L
R10
LTD_DA0_R
U11
LTD_DA1_L
R9
LTD_DA1_R
U12
LTD_DE_L
U10
LTD_DE_R
R11
OP_SYNC_L
U9
OP_SYNC_R
R12
PLL_LOCK_L
T9
PLL_LOCK_R
T12
SOFT_RST_L
R8
SOFT_RST_R
U13
SPI_CK
P13
SPI_CZ
N14
SPI_DI
N12
SPI_DO
N13
RESET
M14
REXT
C13
C9038
22pF
C9039
22pF
IC9000-*1
W25X40BVSSIG
URSA3_FLASH_WINBOND_NEW
3
WP
2
DO[IO1]
4
GND
1
CS
5
DI[IO0]
6
CLK
7
HOLD
8
VCC
R9052
4.7K
URSA3_NON_GIP
R9053
4.7K
URSA3_GIP
R9055
4.7K
URSA3_SCANNING_OFF
R9057
4.7K
URSA3_LOCAL_DIMMING
R9054
4.7K
URSA3_SCANNING_ON
R9056
4.7K
URSA3_NON_LOCAL_DIMMING
R9042
100
Serial Flash
I2C ADR: GPIO1: HI:B8 LOW:B4
CHIP_CONF: {GPIO8, PWM1, PWM0}
CHIP_CONF= 3
d5: boot from internal SRAM
CHIP_CONF= 3
d6: boot from EEPROM
CHIP_CONF= 3
d7: boot from SPI Flash
Separate DVDD_DDR Power
SCAN_OFF
HIGH
K14
NON_MIRROR
NON_GIP
LD
LVDS
SCAN_ON
R9
LOW
U10
GIP
MINI_LVDS
R10
NON_LD
MIRROR
T10
FRC OPTION
THERMAL
THERMAL
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.
T-Con (NO L.D.)
09/09/10
91
COMMON
L9100
6.8uH
DEV
MINI_LVDS
R9114
OPT
OPT
D9105
40V
MBRA340T3G
R9109
3K
GIP
R9132
0
R9151
0
OPT
IC9103
MAX17113ETL+
DEV
MINI_LVDS
EAN60924401
3
GND2
2
DRVP
4
SRC
1
THR
6
DRN
5
GON
7
MODE
8
DLP
9
FBP
10
GPGND
11
CTL
12
DRVN
13
AGND
14
FBN
15
REF
16
DEL1
17
FB2
18
BST
19
LX2
20
LX2
21
OUT
22
IN2
23
IN2
24
VIN
25
FSEL
26
EN1
27
DEL2
28
VL
29
EN2
30
PGND
31
PGND
32
LX1
33
LX1
34
SW1
35
SW0
36
FB1
37
COMP
38
PGOOD
39
CRST
40
AGND
RXA3-
R9133
10
GIP
R9146
33K
NON_GIP
HVDD
R9161
0
R9113
10K
GIP
R9139
0
GIP
C9150
1uF
50V
D9101
KDS226
A
AC
C
DISCHG
R9194
360
OPT
R9144
27K
1%
TCON_42_FHD
R9134-*1
200
NON_GIP
R9127
150K
TCON_42_FHD
PANEL_VCC
R9116
10
GIP
GCLK6_I
R9160
0
NON_GIP
GCLK4_I
EN2
GCLK4
R9134
10
GIP
C9116
1uF
50V
R9163
0
GIP
VDD_LCM
(+16V)
C9108
10uF
25V
MINI_LVDS
GVDD_EVEN
R9166
15K
1%
TCON_42_FHD
C9124
1uF
50V
R9130
220K
1%
TCON_42_FHD
R9147-*1
0
GIP
D9103
100V
MMSD4148T1G
R9110
22
GIP
CLK6
C9128
1000pF
50V
GIP
GMA16
VCC_LCM
(+3.3V)
R9177
0
GIP
R9115
10
GIP
C9139
1uF 50V
CLK5
CLK1
R9122
10
R9197
3.3K
NON_GIP
RXDCK+
C9104
1uF
50V
GIP
R9155
510
NON_GIP
R9140
0
GIP
GCLK2
C9146
150pF
50V
C9142
1uF
50V
CLK2
REF
VDD_LCM
(+16V)
R9105
22
GIP
C9103
0.1uF
50V
R9155-*1
0
GIP
C9138
0.1uF
50V
VCC_LCM
(+3.3V)
C9135
OPT
C9106
1uF
50V
MINI_LVDS
R9133-*1
200
NON_GIP
R9167
0
NON_GIP
C9129
15pF
50V
NON_GIP
C9140
0.1uF
50V
C9101
0.22uF
50V
GIP
RXD3-
C9134
OPT
GMA7
R9169
2.2
SDA3_3.3V
CLK4
VDD_LCM
(+16V)
IC9100
MAX9668ETP+
MINI_LVDS
DEV
1
SDA
3
DVDD
7
AVDD_AMP
9
NC_1
10
GMA1
11
GMA2
12
GMA3
13
GMA4
14
GMA5
15
GMA6
16
AVDD_2
17
NC_2
18
GMA7
19
GMA8
20
SCL
5
VCOM
8
AVDD_1
6
VCOM_FB
4
AGND_AMP
2
A0
21
EP[GND]
C9148
22uF
25V
C9112
4.7uF
50V
MINI_LVDS
R9117
47K
OPT
VCC_LCM
(+3.3V)
FLK
R9120
7.5K
R9106
0
VCC_LCM
(+3.3V)
L9104
BLM18PG121SN1D
OPT
C9144
0.1uF
50V
VGH
(+25V)
R9148-*1
0
GIP
C9136
27pF 50V
NON_GIP
C9123
1uF
10V
R9103
33
R9142
0
OPT
VGH
(+25V)
SCL3_3.3V
GSC/GCLK3_I
SCL3_3.3V
C9141
47uF
25V
C9143
0.1uF
50V
FLK
C9156
15pF
50V
OPT
C9119
15pF
50V
NON_GIP
C9126 0.047uF
NON_GIP
C9153
100uF
25V
R9138
0
C9154
OPT
VCC_LCM
(+3.3V)
VGH
(+25V)
EN2
C9159
15pF
50V
OPT
L9103
BLM18PG121SN1D
R9112
10
1/8W
C9149
22uF
10V
GVDD_EVEN_I
R9136
10
NON_GIP
R9148
510 NON_GIP
R9152
0
NON_GIP
TH9000
47k-ohm
NCP18WB473F10RB
GIP
GVDD_ODD
R9158
0
GIP
POL
C9157
15pF
50V
OPT
R9131
11K
1%
TCON_42_FHD
C9131
15pF
50V
NON_GIP
R9168
10K
GIP
RXD4+
R9196
24K
GCLK2_I
GMA12
R9107
0
GCLK5_I
R9159
0
GCLK6_I
VGH
(+25V)
R9150
0 GIP
R9118
10K
OPT
EN2
GOE/GCLK1_I
R9180
360
R9168-*1
33K
NON_GIP
C9105
0.1uF
50V
R9121
0
GIP
VCOM
R9164
0
GIP
C9111
1uF
50V
R9153
0
NON_GIP
C9155
22uF
25V
DISCHG
C9113
22pF
50V
R9171
0
GOE/GCLK1_I
R9170
10
DPM_A
R9128
200K
TCON_42_FHD
VDD_LCM
(+16V)
C9145
1000pF
50V
GIP
R9173
1K
R9149
0
R9111
10
GIP
GMA15
VGH_M
(+25V)
GMA4
VCOM_FB0
R9176
0
GIP
R9125
18K
R9193
6.2K
OPT
C9145-*1
560pF
50V
NON_GIP
R9102
1K
1%
TCON_42_FHD
D9102
KDS226
A
AC
C
L9101
22UH
2.8A
GMA6
RXA4-
C9127
1uF
50V
RXDCK-
R9108
100
GIP
VGL
(-5V)
C9118
10uF
16V
IC9101
MAX17119DS
GIP
EAN60987201
DEV
1
A9
3
A7
7
A3
9
A1
10
GON1
11
GOFF
12
GON2
13
Y1
14
Y2
15
Y3
16
Y4
17
Y5
18
Y6
19
Y7
20
Y8
21
Y9
22
YDCHG
23
GND
24
RE
25
FLK3
26
FLK2
27
FLK1
28
VSENSE
5
A5
8
A2
6
A4
4
A6
2
A8
29
EP[VGOFF]
C9160
15pF
50V
R9135
3.6K
VGH_FB
R9157
75K
1%
TCON_42_FHD
R9145
150K
1%
TCON_42_FHD
R9101
1K
OPT
R9172
1K
VGI_P
D9100
100V
MMSD4148T1G
OPT
R9137
0
VGI_N
C9137
0.1uF
50V
GIP
RXD4-
DPM
VGL
(-5V)
C9158
15pF
50V
OPT
R9178
0
GIP
VDD_LCM
(+16V)
RXA4+
C9162
22uF
25V
R9104
1K
1%
TCON_42_FHD
R9174
OPT
GVDD_ODD_I
C9147
1uF
50V
GCLK5_I
REF
C9133
15pF
50V
OPT
C9120
15pF
50V
VCOM_FB0
VCOMRFB
EN2
FLK
R9156
150K
1%
TCON_42_FHD
R9100
33
GMA3
VDD_ODD
VGH
(+25V)
C9122
0.47uF
25V
R9143
3.3K
GIP
C9109
10uF
25V
MINI_LVDS
R9165
18K
1%
OPT
D9107
100V
MMSD4148T1G
PANEL_VCC
(+12V)
GCLK2_I
CLK3
R9123
1M
NON_GIP
R9195
6.2K
OPT
SOE
C9132
15pF
50V
OPT
P9100
12505WS-03A00
1
2
3
4
RXD3+
C9125
68pF
NON_GIP
PANEL_VCC
(+12V)
GSP/GVST_I
C9110
1uF
25V
C9117
1uF
50V
IC9102
TPS62110RSAR
MINI_LVDS
EAN60985901
DEV
1
PGND_1
3
VIN_2
7
LBI
9
AGND
10
FB
11
GND_1
12
GND_2
13
PG
14
SW_1
15
SW_2
16
PGND_2
5
SYNC
8
VINA
6
LBO
4
EN
2
VIN_1
PANEL_VCC
(+12V)
GSC/GCLK3_I
R9175
0
GIP
VGL_FB
C9102
OPT
OPT
D9106
MBRA340T3G
D9104
MBRA340T3G
C9151
0.1uF
50V
L9102
22UH
2.8A
DPM
GVDD_ODD_I
R9154
0 GIP
R9119
20K
VCOMLFB
C9137-*1
2200pF
50V
NON_GIP
VGL_I
VCOMR
VST
R9162
0
C9115
10uF
16V
R9126
510K
TCON_42_FHD
SDA3_3.3V
R9147
2.7K
NON_GIP
VGH_FB
R9181
5.1K
C9114
22uF
16V
R9129
56K
1%
TCON_42_FHD
GCLK4_I
VGL_FB
C9107
1uF
50V
GIP
VCC_LCM
(+3.3V)
C9100
0.1uF
50V
VCOM
VGL
(-5V)
C9130
15pF
50V
NON_GIP
VDD_EVEN
R9124
18K
GSP/GVST_I
R9141
0
EN2
VCOML
C9121
15pF
50V
R9182
9.1K
1/8W
GVDD_EVEN_I
C9128-*1
470pF
50V
NON_GIP
VDD_LCM
(+16V)
C9152
1uF
10V
VGL
(-5V)
GMA13
R9179
0
Signal Name Change
[HVDD Block]
6.8uH/1.8A
(6x6x2mm)
10uF/25V(3216)
[P-GAMMA Block]
R2
4.7uF/50V(3216)
[LEVEL Shift Block]
1uF/50V(2012)
Vo = 1.153*(1+R1/R2)
Value should
be checked
To reduce
Audible noise
To reduce
Audible noise
GSP_R
For P-Gamma Data Download
* Voltage Target 
VDD_LCM =  16.25V
VGH     =  28.50V
VGL     =  -5.35V
R1
[POWER Block]
CHECK Value!!
To reduce
Audible noise
Slave Address : 0xE8h
 (AO Pin - GND)
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.
T-Con Power Option
09/12/15
98
Common
R9127-*4
68K
1%
TCON_55_FHD
R9127-*3
150K
1%
TCON_47_FHD
R9102-*1
1K
1%
TCON_32_FHD
R9102-*2
1.5K
5%
TCON_37_FHD
R9144-*3
51K
1%
TCON_47_FHD
R9128-*3
220K
1%
TCON_47_FHD
R9131-*2
12K
1%
TCON_37_FHD
R9129-*3
51K
1%
TCON_47_FHD
R9131-*1
11K
1%
TCON_32_FHD
R9127-*1
150K
1%
TCON_32_FHD
R9126-*4
180K
1%
TCON_55_FHD
R9101-*3
1K
1%
TCON_47_FHD
R9128-*1
200K
1%
TCON_32_FHD
R9145-*3
270K
1%
TCON_47_FHD
R9102-*3
1K
1%
TCON_47_FHD
R9130-*1
220K
1%
TCON_32_FHD
R9145-*4
150K
1%
TCON_55_FHD
R9104-*2
1K
1%
TCON_37_FHD
R9104-*1
1K
1%
TCON_32_FHD
R9157-*3
75K
1%
TCON_47_FHD
R9101-*1
1K
1%
TCON_32_FHD
R9156-*1
150K
1%
TCON_32_FHD
R9165-*2
470K
1%
TCON_37_FHD
R9101-*2
1K
1%
TCON_37_FHD
R9166-*3
20K
1%
TCON_47_FHD
R9156-*2
910K
1%
TCON_37_FHD
R9144-*4
27K
1%
TCON_55_FHD
R9157-*1
27K
1%
TCON_32_FHD
R9130-*4
68K
1%
TCON_55_FHD
R9126-*1
510K
1%
TCON_32_FHD
R9166-*1
24K
1%
TCON_32_FHD
R9126-*3
510K
1%
TCON_47_FHD
R9130-*2
220K
1%
TCON_37_FHD
R9166-*4
15K
1%
TCON_55_FHD
R9130-*3
220K
1%
TCON_47_FHD
R9156-*4
150K
1%
TCON_55_FHD
R9131-*4
27K
1%
TCON_55_FHD
R9129-*1
22K
1%
TCON_32_FHD
R9129-*2
47K
1%
TCON_37_FHD
R9145-*1
270K
1%
TCON_32_FHD
R9157-*4
75K
1%
TCON_55_FHD
R9166-*2
56K
1%
TCON_37_FHD
R9128-*4
56K
1%
TCON_55_FHD
R9156-*3
180K
1%
TCON_47_FHD
R9104-*3
1K
1%
TCON_47_FHD
R9129-*4
510K
1%
TCON_55_FHD
R9131-*3
11K
1%
TCON_47_FHD
R9157-*2
56K
1%
TCON_37_FHD
R9126-*2
470K
1%
TCON_37_FHD
R9102-*4
0
5%
TCON_55_FHD
R9144-*1
51K
1%
TCON_32_FHD
R9127-*2
91K
1%
TCON_37_FHD
R9144-*2
20K
1%
TCON_37_FHD
R9145-*2
150K
1%
TCON_37_FHD
VGL
VGL
VGH
VGL
47_FHD
VGH
VCOM FEED BACK
VGL
VDD
42_FHD
91 or 95
Sheet
HVDD
VCOM FEED BACK
VDD
R9104 OPEN
37_FHD
32_FHD
VCOM FEED BACK
HVDD
VDD
VDD
VGL
R9101 OPEN
HVDD
VGH
55_FHD
R9165 OPEN
VCOM FEED BACK
VDD
VGH
VCOM FEED BACK
HVDD
R9128 OPEN
VGH
R9165 OPEN
HVDD
R9165 OPEN
91 or 95
Sheet
91 or 95
Sheet
91 or 95
Sheet
91 or 95
Sheet
Page of 40
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LG 55LE8500 / 55LE850N / 55LE8800 / 55LE8900 (CHASSIS:LD03E) Service Manual ▷ Download