LG 55LEX8-ZA (CHASSIS:LD03S) 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.
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.
4.7K
R1023
4.7K OPT
R1024
4.7K OPT
R1012
4.7K
R1003
GPIO_11
4.7K
R1007
GPIO_5/BLU_ON/OFF
GPIO_2/FRC_RESET
GPIO_4/LG5111_RESET
4.7K OPT
R1018
GPIO_8
GPIO_24
4.7K OPT
R1009
4.7K
OPT
R1014
4.7K
R1015
OPT
GPIO_1
GPIO_3
4.7K OPT
R1010
4.7K
R1026
4.7K
R1001
4.7K
R1019
4.7K
R1021
4.7K
R1005
4.7K OPT
R1028
4.7K OPT
R1020
GPIO_10
+3.3V_DVDD
GPIO_15
GPIO_23
GPIO_0
GPIO_6
STDP_UART_TX
GPIO_9
4.7K
R1031
OPT
+3.3V_DVDD
4.7KOPT
R1000
4.7K
R1013
4.7K
R1029
4.7K OPT
R1004
4.7K
OPT
R1016
4.7K OPT
R1006
4.7K
R1032
GPIO_7
4.7K OPT
R1022
4.7K
R1008
GPIO_16
4.7K
R1011
4.7K OPT
R1027
4.7K OPT
R1002
4.7K
R1033
OPT
4.7K
R1017
OPT
4.7K
R1030
4.7K
R1025
LVDS_TX_1_DATA4_P
LVDS_TX_1_DATA2_P
LVDS_TX_0_DATA0_N
LVDS_TX_0_CLK_N
LVDS_TX_1_DATA1_N
LVDS_TX_0_DATA1_P
LVDS_TX_0_DATA1_N
LVDS_TX_1_CLK_N
LVDS_TX_0_DATA4_N
LVDS_TX_1_DATA0_N
LVDS_TX_0_DATA2_P
LVDS_TX_1_DATA0_P
LVDS_TX_1_DATA3_N
LVDS_TX_0_DATA3_P
LVDS_TX_1_DATA2_N
LVDS_TX_0_DATA3_N
LVDS_TX_1_DATA1_P
LVDS_TX_0_DATA2_N
LVDS_TX_0_DATA4_P
LVDS_TX_1_DATA4_N
LVDS_TX_1_CLK_P
LVDS_TX_0_DATA0_P
LVDS_TX_0_CLK_P
LVDS_TX_1_DATA3_P
STDP4020AB
IC1000
O0_LVTX_CH5N
L9
O0_LVTX_CH5P
M8
O0_LVTX_CH6N
M12
O0_LVTX_CH6P
L11
O1_LVTX_CH5N
H11
O1_LVTX_CH5P
J 1 0
O1_LVTX_CH6N
J 1 1
O1_LVTX_CH6P
K10
E0_LVTX_CH5N
L6
E0_LVTX_CH5P
M7
E0_LVTX_CH6N
L4
E0_LVTX_CH6P
M3
E1_LVTX_CH5N
H4
E1_LVTX_CH5P
J 5
E1_LVTX_CH6N
K5
E1_LVTX_CH6P
J 4
O0_LVTX_CH0N
N13
O0_LVTX_CH0P
P13
O0_LVTX_CH1N
N12
O0_LVTX_CH1P
P12
O0_LVTX_CH2N
M11
O0_LVTX_CH2P
N11
O0_LVTX_CLKN
L10
O0_LVTX_CLKP
M10
O0_LVTX_CH3N
M9
O0_LVTX_CH3P
N9
O0_LVTX_CH4N
N8
O0_LVTX_CH4P
P8
O1_LVTX_CH0N
G14
O1_LVTX_CH0P
G13
O1_LVTX_CH1N
H14
O1_LVTX_CH1P
H13
O1_LVTX_CH2N
J 1 3
O1_LVTX_CH2P
J 1 2
O1_LVTX_CLKN
K11
O1_LVTX_CLKP
K12
O1_LVTX_CH3N
L13
O1_LVTX_CH3P
L12
O1_LVTX_CH4N
M14
O1_LVTX_CH4P
M13
E0_LVTX_CH0N
N7
E0_LVTX_CH0P
P7
E0_LVTX_CH1N
M6
E0_LVTX_CH1P
N6
E0_LVTX_CH2N
L5
E0_LVTX_CH2P
M5
E0_LVTX_CLKN
M4
E0_LVTX_CLKP
N4
E0_LVTX_CH3N
N3
E0_LVTX_CH3P
P3
E0_LVTX_CH4N
N2
E0_LVTX_CH4P
P2
E1_LVTX_CH0N
M2
E1_LVTX_CH0P
M1
E1_LVTX_CH1N
L3
E1_LVTX_CH1P
L2
E1_LVTX_CH2N
K4
E1_LVTX_CH2P
K3
E1_LVTX_CLKN
J 3
E1_LVTX_CLKP
J 2
E1_LVTX_CH3N
H2
E1_LVTX_CH3P
H1
E1_LVTX_CH4N
G2
E1_LVTX_CH4P
G1
13
2 0 0 9 . 1 2 . 2 8
D P S i g n a l
10
ALEF M240Hz(TM480Hz) Sub Board
(BS_6)
(LVDS Format)
(BS_1)
(LVDS Format)
(LVDS SSC)
(BS_4)
(BS_2)
STDP4020 DPRx Firmware Bootstraps
( E Q S e t t i n g )
(BS_0)
( E Q S e t t i n g )
( A S S R E n a b l e / D i s a b l e )
(BS_7)
STDP4020 DPRx Hardware Bootstraps
( A F R E n a b l e / D i s a b l e )
(BS_3)
(LVDS SSC)
( P i x e l W i d t h )
(BS_5)
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.
0 . 1 u F
16V
16V
C1405
0 . 1 u F
16V
16V
C1404
0 . 1 u F
16V
16V
C1413
0 . 1 u F
16V
16V
C1411
0 . 1 u F
16V
16V
C1409
+3.3V_DVDD
0 . 1 u F
16V
16V
C1428
0 . 1 u F
16V
16V
C1430
120-ohm
L1402
VDD_RPLL_+1.2V
+3.3V_DVDD
0 . 1 u F
16V
16V
C1432
0 . 1 u F
16V
16V
C1406
+1.2V_AVDD
0 . 1 u F
16V
16V
C1408
0 . 1 u F
16V
16V
C1434
+1.2V_DVDD
+1.2V_AVDD
AVDD_OUT_LVTX_33
+1.2V_DVDD
AVDD_OUT_LVTX_33
AVDD_+3.3V
AVDD_+3.3V
0 . 1 u F
16V
16V
C1412
+3.3V_DVDD
0 . 1 u F
16V
16V
C1410
+3.3V_DVDD
VDD_RPLL_+1.2V
+1.2V_DVDD
120-ohm
L1400
0 . 1 u F
16V
16V
C1400
0 . 1 u F
16V
16V
C1407
0 . 1 u F
16V
16V
C1415
VDD_RPLL_+1.2V
0 . 1 u F
16V
16V
C1419
0 . 1 u F
16V
16V
C1402
AVDD_OUT_LVTX_33
0 . 1 u F
16V
16V
C1431
0 . 1 u F
16V
16V
C1426
0 . 1 u F
16V
16V
C1429
0 . 1 u F
16V
16V
C1421
0 . 1 u F
16V
16V
C1433
AVDD_+3.3V
0 . 1 u F
16V
16V
C1425
0 . 1 u F
16V
16V
C1420
120-ohm
L1401
0 . 0 1 u F
25V
25V
C1423
0 . 1 u F
16V
16V
C1436
+3.3V_DVDD
0 . 1 u F
16V
16V
C1435
120-ohm
L1403
+3.3V
+1.2V
120-ohm
L1405
OPT
0 . 1 u F
16V
16V
C1403
+1.2V_AVDD
+1.2V
0 . 1 u F
16V
16V
C1416
+1.2V_DVDD
0 . 1 u F
16V
16V
C1414
0 . 1 u F
16V
16V
C1401
120-ohm
L1404
OPT
STDP4020AB
IC1000
PVDD1_1
C12
PVDD1_2
E7
PVDD1_3
E8
PVDD1_4
K6
PVDD1_5
K9
PVDD22
F5
PVDD21
F10
VDD_RPLL
B3
VDDA_3V3
D6
AVDD_LVTX_33
L7
DPRX_VDDA_1V2_1
B11
DPRX_VDDA_1V2_2
C7
DPRX_VDDA_1V2_3
C8
DPRX_VDDA_1V2_4
D9
AVDD_OUT_LVTX_33_1
H3
AVDD_OUT_LVTX_33_2
H12
AVDD_OUT_LVTX_33_3
L8
AVDD_OUT_LVTX_33_4
N1
AVDD_OUT_LVTX_33_5
N14
PVSS3_1
A14
PVSS3_2
C4
PVSS3_3
C14
PVSS3_4
F6
PVSS3_5
F7
PVSS3_6
F8
PVSS3_7
F9
PVSS3_8
G6
PVSS3_9
G7
PVSS3_10
G8
PVSS3_11
G9
PVSS3_12
H6
PVSS3_13
H7
PVSS3_14
H8
PVSS3_15
H9
PVSS3_16
J 6
PVSS3_17
J 7
PVSS3_18
J 8
PVSS3_19
J 9
DPRX_VSSA_1
D7
DPRX_VSSA_2
D8
DPRX_VSSA_3
E9
DPRX_VSSA_4
E10
VSS_RPLL
B2
AVSS_LVTX
K7
AVSS_OUT_LVTX_1
F2
AVSS_OUT_LVTX_2
F13
AVSS_OUT_LVTX_3
H5
AVSS_OUT_LVTX_4
H10
AVSS_OUT_LVTX_5
K8
AVSS_OUT_LVTX_6
P1
AVSS_OUT_LVTX_7
P14
+1.2V_DVDD
0 . 1 u F
16V
16V
C1437
0 . 1 u F
16V
16V
C1438
1V2
120-ohm
L1406
0 . 1 u F
16V
16V
C1439
0 . 1 u F
16V
16V
C1440
1V2
120-ohm
L1407
+1.2V_AVDD
22uF
10V
10V
C11419
PWR & GND
ALEF M240Hz(TM480Hz) Sub Board
2 0 0 9 . 1 2 . 2 8
13
D P S i g n a l
11
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.
33
R1268
+1.2V_AVDD
GPIO_10
33
R1269
0
R1274
STDP_UART_RX
0
R1262
GPIO_5/BLU_ON/OFF
3.3K
R1281
STDP_SPI_DI
GPIO_24
+3.3V_DVDD
STDP_SPI_CS
DPRX_ML_L1N
STDP_UART_TX
1/16W
240 1%
R1261
33
R1278
0 . 1 u F
16V
16V
C1290
+3.3V_DVDD
0 . 1 u F
16V
C1295 OPT
0
R1263
GPIO_9
JTP-1127WEM
SW1200
1
2
4
3
4.7K
R1279
GPIO_1
GPIO_23
DPRX_ML_L0P
STDP_SPI_DO
STDP_SPI_CLK
AVDD_+3.3V
W25X20AVSNIG
IC1201
3
WP
2
DO
4
GND
1
CS
5
DIO
6
CLK
7
HOLD
8
VCC
STDP_SPI_DI
220
R1282
0
R1264
OPT
STDP_SPI_CLK
2.7K
R1260
GPIO_2/FRC_RESET
GPIO_3
33
R1267
+3.3V_DVDD
DPRX_ML_L1P
33
R1275
SML-210MT
LD1200
GPIO_0
GPIO_11
DPRX_ML_L0N
STDP_SPI_DO
GPIO_15
GPIO_4/LG5111_RESET
10K
R1280
GPIO_16
0 . 1 u F
C1294
STDP_SPI_CS
DPRX_AUX_N
DPRX_AUX_P
GPIO_7
GPIO_6
GPIO_8
I2C_SCL
I2C_SDA
0
R1284
0
R1285
I2C_SCL
I2C_SDA
27MHz
X1200
STDP4020AB
IC1000
DPRX_REXT
C10
DPRX_HPD_OUT/GPIO_26
D10
DPRX_AUXN
B9
DPRX_AUXP
C9
DPRX_ML_L0N
B8
DPRX_ML_L0P
A8
DPRX_ML_L1N
B7
DPRX_ML_L1P
A7
DPRX_ML_L2N
C6
DPRX_ML_L2P
B6
DPRX_ML_L3N
D5
DPRX_ML_L3P
C5
TCLK
A3
XTAL
A2
RESETn
E5
SPI_DI/GPIO_19
D13
SPI_DO/GPIO_20
E11
SPI_CLK/GPIO_18
E12
SPI_CSn/GPIO_17
F12
IR_IN/GPIO_12
G4
IRQ/GPIO_25
D12
VBUFC_RPLL
D4
TESTMODE0
F3
TESTMODE1
G3
AUX_I2C_SCL/GPIO_15
C13
AUX_I2C_SDA/GPIO_16
B14
I2C_SCL/GPIO_21
B13
I2C_SDA/GPIO_22
D11
I2C_MST_SCL/GPIO_2
G10
I2C_MST_SDA/GPIO_3
F11
UART_TX/BOOT[6]/GPIO_13
A1
UART_RX/GPIO_14
E4
AUX_UART_TX/BOOT[7]/GPIO_23
B12
AUX_UART_RX/GPIO_24
A12
I2S_0/BOOT[2]/GPIO_8
B1
I2S_1/BOOT[3]/GPIO_9
G5
I2S_2/BOOT[4]/GPIO_10
F4
I2S_3/BOOT[5]/GPIO_11
E3
I2S_BCLK/BOOT[1]/GPIO_7
C2
I2S_WCLK/BOOT[0]/GPIO_6
D3
I2S_MCLK/GPIO_4
D2
CLK_OUT/GPIO_5
C1
NC1
G11
NC2
G12
NC3
C11
NC4
A13
NC5
B4
GPIO_0
E6
GPIO_1
C3
12507WR-04L
P1201
1
2
3
4
5
+3.3V_DVDD
0 . 1 u F
50V
50V
C1278
STDP_UART_TX
STDP_UART_RX
33
R1283
0
R1277
0
R1276
22uF
10V
10V
OPT
C1299
22pF 50V
C1291
22pF 50V
C1292
ALEF M240Hz(TM480Hz) Sub Board
2 0 0 9 . 1 2 . 2 8
13
D P S i g n a l ( F l a s h m e m o r y )
12
[ D P R X F i r m w a r e B o o t s t r a p s ]
[ D P R X H a r d w a r e B o o t s t r a p s ]
[SPI FLASH(2Mbit)]
UART JIG FOR STDP DOWNLOAD
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.
+24V
+24V
10uF
35V
35V
C1312
10uF
35V
35V
C1313
10uF
35V
35V
C1310
10uF
35V
35V
C1311
10uF
35V
C1316
+24V
10uF
35V
C1317
EXT_PWM
L/R_SYNC
SOUNDBAR_R+
SOUNDBAR_R-
SOUNDBAR_L+
SOUNDBAR_L-
LG5111_RESET
DPRX_ML_L0P
DPRX_ML_L1P
DPRX_ML_L1N
SOUNDBAR_R+
SOUNDBAR_L+
SOUNDBAR_R-
SOUNDBAR_L-
0
R1309
I2C_SCL
I2C_SDA
0
R1310
BCM_GPIO
0
R1311
BCM_GPIO
BLU_ON_OFF
EXT_PWM
EXT_PWM
BLU_ON_OFF
0
R1312
BCM_GPIO
0
R1313
12507WR-08L
P1308
1
2
3
4
5
6
7
8
9
12507WR-08L
P1301
1
2
3
4
5
6
7
8
9
L_VSYNC
L_VSYNC
M0_MOSI
M0_SCLK
M1_SCLK
M1_MOSI
POWER_CTRL_24V
0 . 1 u F
C1301
0 . 1 u F
C1302
SMD201-H12
P1304
1
2
3
4
5
6
7
8
9
10
11
12
13
SMD201-H12
P1303
1
2
3
4
5
6
7
8
9
10
11
12
13
WM1M068USA
P1305
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
0 . 1 u F
50V
50V
C1318
OPT
0 . 1 u F
50V
50V
OPT
C1319
0 . 1 u F
50V
50V
OPT
C1320
I2C_SCL_LED
I2C_SDA_LED
I2C_SCL_LED
I2C_SDA_LED
DPRX_ML_L0N
10
R1301
10
R1302
10
R1303
10
R1304
10
R1305
10
R1306
DPRX_AUX_N
DPRX_AUX_P
0
R1314
BCM_GPIO
BLU_ON_OFF
FRC_RESET
KCN-ET-0-0107
P1306
1
2
KCN-ET-0-0107
P1307
1
2
GPIO_5/BLU_ON/OFF
0
R1307
OPT
12507WR-03L
P1302
1
2
3
4
3D_SYNC_OUT
120-ohm
L1300
0
R1315
+5V_NORMAL
E_TCK
E_TDO
0
R1316
FPGA_DL
0
R1317
FPGA_DL
E_TMS
0
R1318
FPGA_DL
E_TDI
0
R1319
FPGA_DL
I2C_SCL_LED
I2C_SDA_LED
0
R1321
0
R1322
5.5V
D1300
OPT
5.5V
D1301
5.5V
D1302
5.5V
D1304
+3.3V
10K
R21510
OPT
10K
R21511
OPT
GPIO_2/FRC_RESET
0
DP_GPIO
R1328
GPIO_4/LG5111_RESET
0
DP_GPIO
R1329
10K
R1308
10K
R1300
10K
R1323
10K
R1320
22
R1324
22
R1326
22
R1327
22
R1325
CIS21J121
L1304
CIS21J121
L1305
CIS21J121
L1307
CIS21J121
L1306
33pF
50V
50V
OPT
C1324
33pF
50V
50V
OPT
C1323
33pF
50V
50V
OPT
C1321
33pF
50V
50V
OPT
C1322
RCLAMP0544T.TCT
AC1
1
8
2
7
3
6
4
5
9
RCLAMP0544T.TCT
AC2
1
8
2
7
3
6
4
5
9
ALEF M240Hz(TM480Hz) Sub Board
2 0 0 9 . 1 2 . 2 8
13
13
[LEFT LED DRIVE POWER]
[RIGHT LED DRIVE POWER]
[To RIGHT LED DRIVER]
[To LEFT LED DRIVER]
P l a c e n e a r I C 9 7 0 1
f o r E M I t e s t o n l y
f o r E M I t e s t o n l y
P l a c e n e a r I C 9 7 0 1
f o r E M I t e s t o n l y
f o r E M I t e s t o n l y
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