LG 42LT760H-SA (CHASSIS:LJ3AZ) 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.
0 . 1 u F
C3802
0 . 1 u F
C3803
+3.5V_ST
IR_OUT_RS232C
4.7K
R3814
0 . 1 u F
C3801
SPG09-DB-009
JK3803
1
2
3
4
5
6
7
8
9
10
EAN41348201
MAX3232CDR
IC3800
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
4.7K
R3811
JP3809
0 . 1 u F
C3800
JP3808
100
R3821
100
R3820
+3.5V_ST
EXT_12V
RS232_RX
RS232_TX
20V
OPT
OPT
D3804
20V
OPT
OPT
D3805
EXT_5V
0 . 1 u F
C3804
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3802
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
UART_SW2
0 . 1 u F
C3813
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3804
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0 . 1 u F
C3811
JP3802
DBG_SW
0 . 1 u F
C3814
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3805
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
1000pF
50V
OPT
C3818
UART_DBG_SW
EXT_SPK_VOL+
5.6V
OPT
D3806
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3808
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0 . 1 u F
C3815
+3.5V_ST
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3806
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0 . 1 u F
C3817
+3.5V_ST
+3.5V_ST
EXT_SPK_VOL-
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3807
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
1000pF
50V
OPT
C3819
5.6V
OPT
D3807
JP3801
0 . 1 u F
C3816
P E J 0 2 7 - 0 4
EXT_SPK_CONTROL
JK3801
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
0 . 1 u F
C3821
0 . 1 u F
C3820
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3809
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3810
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
+3.5V_ST
EEPROM_SW
SDA_NVRAM
SCL_NVRAM
I2C_SDA5
NEC_EEPROM_SDA
NEC_EEPROM_SCL
I2C_SCL5
0
R3856
OPT
0
OPT
R3857
SOC_TX
RS232_RX
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3812
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3811
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0 . 1 u F
C3822
0 . 1 u F
C3823
MTK_DBG_RX
RS232_TX
SOC_RX
UART_SW1
+3.5V_ST
MTK_DBG_TX
+3.5V_ST
BAP70-02
50V
D3803
1K
R3834
3.6K
R3849
3.6K
R3851
4.7K
R3844
4.7K
R3845
+3.5V_ST
+3.5V_ST
+3.3V_NORMAL
+3.3V_NORMAL
JP3810
JP3811
JP3812
22
R3846
22
R3843
+3.5V_ST
MTK_DBG_TX
NEC_DBG_TXD
MTK_DBG_RX
NEC_DBG_RXD
+3.5V_ST
0
OLD_UART
R3868
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3814
NEW_UART
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
UART_SW3
0
OLD_UART
R3867
0
OLD_UART
R3864
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC3813
NEW_UART
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0 . 1 u F
C3825 NEW_UART
0 . 1 u F
C3824 NEW_UART
MTK_NEC_TX
NEC_TX0
NEC_TX3
MTK_NEC_RX
NEC_RX0
NEC_RX3
0
OLD_UART
R3866
L3801
760SCA_EXT_OPT
L3802
760SCA_EXT_OPT
L3800
OPT
RS232C
38
JACK_COMMON
2 0 1 1 . 0 9 . 2 9
1A@5V /1A@12V FOR COMMERCIAL(RS-232C POWER)
xxLT760H-UA
H
RS232C - NEC_UART3,INTERACTIVE
UART_SW2
L
B 0 - A
CONNECTION
B 1 - A
MTK - NEC_UART3,NEC USB D/L
EXT UART SWITCH
EXT_SPK_CONTROL & DBG OUT
CONNECTION
UART DBG SWITCH
B 0 - A
EXT.SPK VOL Control
B 1 - A
B 0 - A
DEBUG_NEC/MTK
Debug MTK
Debug NEC
CONNECTION
B 1 - A
L
UART_DBG_SW
L
DBG_SW
H
H
NVRAM I2C SWITCH
B 0 - A
NVRAM - NEC
H
L
CONNECTION
NVRAM - MTK
UART_SW2
B 1 - A
DBG_SW
B 1 - A
H
B 0 - A
MTK - RS232C ADJ.
L
CONNECTION
MTK - PHONE JK. DEBUG
UART_SW3CONNECTION
H
B 1 - A
B 0 - A
MTK - NEC_URAT0,NORMAL COMM.
L
MTK - NEC_UART3,NEC USB D/L
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.
220K
R8627
330pF
C8619
220K
R8623
EXT_SPK_ROUT_MAIN
330pF
C8618
EXT_AMP_R_IN
EXT_SPK_LOUT_MAIN
EXT_AMP_L_IN
SN324
OP_AMP_AUK
I C 8 6 0 2 - * 1
3
NON_INV_IN1
2
INV_IN1
4
VCC
1
OUT1
6
INV_IN2
5
NON_INV_IN2
7
OUT2
8
OUT3
9
INV_IN3
10
NON_INV_IN3
11
GND
12
NON_INV_IN4
13
INV_IN4
14
OUT4
470K
OPT
R8622
2.2K
R8630
470K
OPT
R8621
10K
R8625
2.2K
R8628
10K
R8624
33pF
C8620
33pF
C8617
5.6K
R8626
5.6K
R8629
AS324MTR-E1
OP_AMP_BCD
IC8602
3
IN1+
2
I N 1 -
4
VCC
1
OUT1
6
I N 2 -
5
IN2+
7
OUT2
8
OUT3
9
I N 3 -
10
IN3+
11
GND
12
IN4+
13
I N 4 -
14
OUT4
+12V
0 . 1 u F
50V
50V
SCART_AMP
C8625
EXT_R_IN
EXT_L_IN
EXT_R_IN
EXT_L_IN
100
R87023
OPT
100
R87024
OPT
10uF
25V
C804
22.0uH
L803
100uF
25V
C816
+3.5V_ST
10K
OPT
R801
1uF
50V
50V
C812
4.7K
R808
0 . 1 u F
16V
C811
1uF
10V
10V
C800
10K
R806
OPT
0 . 2 2 u F
50V
50V
C807
100
R800
10K
R805
10K
OPT
R804
10K
R807
1uF
50V
50V
C803
0 . 4 7 u F
50V
50V
C815
1uF
10V
10V
C801
0 . 2 2 u F
50V
50V
C808
TPA3124D2PWPR
IC8601
3
PVCCL_2
2
SD
4
MUTE
1
PVCCL_1
6
RIN
5
LIN
7
BYPASS
8
AGND_1
9
AGND_2
10
PVCCR_1
11
VCLAMP
12
PVCCR_2
13
PGNDR_1
14
PGNDR_2
15
ROUT
16
BSR
17
GAIN1
18
GAIN0
19
AVCC_1
20
AVCC_2
21
BSL
22
LOUT
23
PGNDL_1
24
PGNDL_2
0 . 4 7 u F
50V
50V
C814
10uF
25V
25V
C810
10uF
25V
25V
OPT
C809
4.7K
R809
EXT_SPK_L
1uF
50V
C802
10K
R802
L800
0 . 1 u F
16V
C806
EXT_SPK_R
BLM18PG121SN1D
L801
0 . 1 u F
16V
C805
100uF
25V
C817
100
R803
MMBT3904(NXP)
OPT
Q800
E
B
C
22.0uH
L802
1uF
50V
50V
C813
EXT_AMP_MUTE
MAIN_AMP_RESET
EXT_AMP_L_IN
EXT_AMP_R_IN
P E J 0 3 4 - 0 1
JK8600
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
3
E_SPRING
10K
R812
EXT_SPK_DET
100pF
50V
OPT
C818
10K
R814
68K
R810
+3.3V_NORMAL
4.7K
OPT
R811
100pF
50V
50V
OPT
C819
C819
100
R813
EXT_SPK_L
EXT_SPK_R
0
R87025
0
R87026
MMBT3904(NXP)
Q371
E
B
C
4 . 7 u F
50V
C373
AO3407A
Q372
G
D
S
1.8K
R393
BLM18SG121TN1D
L371
0 . 1 u F
50V
50V
C372
10K
R390
1uF
25V
25V
OPT
C374
10K
R392
0 . 0 1 u F
50V
C371
10K
R391
+12V_EXT_AMP
1/8W
2K
R395
0 . 1 u F
50V
50V
C375
+12V
1/8W
2K
R394
+12V_EXT_AMP
+3.5V_ST
10K
R381
OPT
EXT_SPK_POWER_CTL
5.6K
R8632
5.6K
R8631
2 0 1 1 . 0 2 . 0 9
xxLT760H-UA
86
EXT_SPK
EXT_SPK AMP
EXT_SPK OUT
CLOSE TO MTK
EXT_SPK OP AMP
DEBUG
EXT_SPK_POWER
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.
22
R8719
TOOL0
4.7K
R8710
22
R8711
22
R8734
FLMD0
22 OPT
R8768
22
R8724
22
R8758
0 . 1 u F
C8708
22
R8740
10K
OPT
R8745
LED_R
+3.5V_ST
POWER_DET
MICOM_RESET
HDMI_CEC
13pF
C8710
WOL_ON
22
R8775
22
R8730
NEW_UART
JTP-1127WEM
SW8700
1
2
4
3
12507WS-06L
P8701
1
2
3
4
5
6
7
22
R8737
22
R8772
22
R8723
22
R8771
100K
R8785
22
R8761
OPT
MAIN_AMP_MUTE
POWER_ON/OFF2_2
UART_SW2
TOOL1
22
R8759
ETHERNET_MDIO
FLMD0
KEY1
EXT12V_CTRL
13pF
C8711
+3.5V_ST
+3.5V_ST
SOC_RESET
22
R8784
NEC_TX3
TOOL1
22
R8728
MICOM_RESET
22
R8751
NEC_DBG_TXD
NEC_EEPROM_SDA
22
R8731
10K
OPT
R8754
EXT_AMP_MUTE
22
R8757
+3.5V_ST
22
R8769
MAIN_AMP_RESET
EXT5V_CTRL
22
R8732
KEY2
22
R8721
22
R8736
1M
R8786
22
R8713
TOOL0
NEC_DBG_RXD
22
R8753
OPT
22
R8770
OPT
22
R8756
22
R8720
22
R8712
NEC_EEPROM_SCL
10MHz
X8701
0
R8743
+3.5V_ST
WARM_MODE
22
R8739
22
R8764
INV_CTL
ETHERNET_RESET
22
R8760
22
R8729
47K
R8783
+3.5V_ST
NEC_RX3
UART_DBG_SW
22
R8755
4.7K
R8709
0 . 1 u F
C8712
22
R8741
IR
22
R8726
0 . 1 u F
C8713
REALTEK_WOL
22
R8722
22
R8725
22
R8750
0 . 1 u F
16V
16V
C8709
+3.5V_ST
POWER_ON/OFF1
DBG_SW
22
R8738
RL_ON
NEC_RX0
EXT_PWR_DET
POWER_ON/OFF2_1
22
R8776
OPT
+3.5V_ST
22
R8733
NEC_TX0
PANEL_CTL
22
R8718
MAGIC_WOL
10K
OPT
R8744
+3.5V_ST
22
R8774
EEPROM_SW
22
R87015
UART_SW1
POWER_ON/OFF2_3
POWER_ON/OFF2_4
ETHERNET_MDC
22
R8727
OPT
22
R8752
22
R8765
22
R8742
22
R8773
OPT
22
R8777
OPT
EXT_SPK_DET
22
R8766
22
R8767
22
R8746
22
R8747
22
R8748
22
R8749
HUB_STATE
PHY_STATE
22
R8778
MODEL1_OPT_0
MODEL1_OPT_1
MODEL1_OPT_2
+3.5V_ST
10K
R8714
10K
R8715
10K
OPT
R8735
10K
OPT
R8779
10K
NON_CLOCK
R8780
10K
CLOCK
R8781
10K
OPT
R8782
10K
OPT
R8701
MODEL1_OPT_0
MODEL1_OPT_1
MODEL1_OPT_2
MODEL1_OPT_1
MODEL1_OPT_2
ETHERNET_PWR_ON/OFF
HPD_CTL
NEC_HPD
2 . 2 u F
10V
10V
C8715
IC8700
NEC_MICOM
1
P60/SCL0
2
P61/SDA0
3
P62
4
P63
5
P31/TI03/TO03/INTP4
6
P64/RD
7
P65/WR0
8
P66/WR1
9
P67/ASTB
10
P77/EX23/KR7/INTP11
11
P76/EX22/KR6/INTP10
12
P75/EX21/KR5/INTP9
13
P74/EX20/KR4/INTP8
14
P73/EX19/KR3
15
P72/EX18/KR2
16
P71/EX17/KR1
17
P70/EX16/KR0
18
P06/WAIT
19
P05/CLKOUT
20
EVSS1
21
P80/EX0
22
P81/EX1
23
P82/EX2
24
P83/EX3
25
P84/EX4
26
P85/EX5
27
P86/EX6
28
P87/EX7
29
P30/INTP3/RTC1HZ
30
EVDD1
31
P50/EX8
32
P51/EX9
33
P52/EX10
34
P53/EX11
35
P54/EX12
36
P55/EX13
37
P56/EX14
38
P57/EX15
39
P17/EX31/TI02/TO02
40
P16/EX30/TI01/TO01/INTP5
41
P15/EX29/RTCDIV/RTCCL
42
P14/EX28/RXD3
43
P13/EX27/TXD3
44
P12/EX26/SO00/TXD0
45
P11/EX25/SI00/RXD0
46
P10/EX24/SCK00
47
AVREF1
48
P110/ANO0
49
P111/ANO1
50
AVREF0
51
AVSS
52
P157/ANI15
53
P156/ANI14
54
P155/ANI13
55
P154/ANI12
56
P153/ANI11
57
P152/ANI10
58
P151/ANI9
59
P150/ANI8
60
P27/ANI7
61
P26/ANI6
62
P25/ANI5
63
P24/ANI4
64
P23/ANI3
65
P22/ANI2
66
P21/ANI1
67
P20/ANI0
68
P130
69
P131/TI06/TO06
70
P04/SCK10/SCL10
71
P03/SI10/RXD1/SDA10
72
P02/SO10/TXD1
73
P01/TO00
74
P 0 0 / T I 0 0
75
P145/TI07/TO07
76
P144/SO20/TXD2
77
P143/SI20/RXD2/SDA20
78
P142/SCK20/SCL20
79
P141/PCLBUZ1/INTP7
80
P140/PCLBUZ0/INTP6
81
P120/INTP0/EXLVI
82
P47/INTP2
83
P46/INTP1/TI05/TO05
84
P45/SO01
85
P44/SI01
86
P43/SCK01
87
P42/TI04/TO04
88
P41/TOOL1
89
P40/TOOL0
90
RESET
91
P124/XT2
92
P123/XT1
93
FLMD0
94
P122/X2/EXCLK
95
P121/X1
96
REGC
97
VSS
98
EVSS0
99
VDD
100
EVDD0
UART_SW3
EXT_SPK_POWER_CTL
2 0 1 1 . 0 2 . 0 9
xxLT760H-UA
87
PTC
C l o s e d t o C r y s t a l
OPT
MODEL_OPT_1
OPT
MODEL_OPT_0
OPT
79
OPT
MODEL_OPT_2
80
LOW
78
HIGH
PIN NO.
MODEL OPTION
NON_CLOCK
CLOCK
PIN NAME
MICOM MODEL OPTION
0 . 0 1 u F
C369
HDMI_HPD_3_JACK
D0+_HDMI2_JACK
TXA4P
1.2K
R379
100
R358
0 . 0 4 7 u F
C355
22
R323
1200pF
C397
0 . 0 4 7 u F
C359
1200pF
C398
0 . 1 u F
C382
0 . 1 u F
C354
30K
R311
VDD3V3
TXA0N
D2+_HDMI3_JACK
0 . 1 u F
C307
1uF
C361
CK+_HDMI4_JACK
1.2K
R378
VDD3V3
D2-_HDMI3_JACK
0 . 1 u F
C380
DSUB_VSYNC
TXB2P
1200pF
C3001
+1.2V_MTK_AVDD
+1.2V_MTK_AVDD
100K
R309
EPHY_TDP
100
R371
D2-_HDMI4_JACK
30K
R310
TXB1P
DSUB_HSYNC_SOC
AUD_LRCH
0 . 0 1 u F
C366
CK-_HDMI2_JACK
OSCL2
OSDA2
D1-_HDMI2_JACK
0 . 1 u F
C302
DSUB_VSYNC_SOC
DDC_SCL_4_JACK
51
R335
OPT
TXA1P
EPHY_RDP
TP365
DAC_3V3
5V_HDMI_2_JACK
100
R368
+1.2V_MTK_AVDD
TP300
D1+_HDMI3_JACK
DDC_SCL_2_JACK
24K
1%
R343
VDD3V3
VDD3V3
22pF
OPT
OPT
C393
100
R367
22pF
OPT
C387
TXA4N
0 . 1 u F
C308
TP366
D0+_HDMI4_JACK
1500pF
C370
D2+_HDMI2_JACK
TXB1N
AV_L_IN_SOC
0 . 1 u F
C364
ARC
TXA3N
SPDIF_OUT
D0-_HDMI4_JACK
0 . 1 u F
C351
TU_CVBS
WIFI_DM
51
R334
OPT
0
R350
OPT
100
R357
TXA1N
TXACLKP
TUNER_SIF
DDC_SCL_3_JACK
22
R324
0 . 1 u F
C316
VDD3V3
EPHY_RDN
WIFI_DP
1.2K
OPT
R308
100
R366
+1.2V_MTK_AVDD
TXA2P
0 . 0 1 u F
C367
D2-_HDMI2_JACK
DSUB_G+
DDC_SDA_2_JACK
D1+_HDMI4_JACK
+1.2V_MTK_AVDD
VDD3V3
1200pF
C399
EXT_SPK_ROUT_MAIN
24K
R315
D1+_HDMI2_JACK
75
R322
CK+_HDMI3_JACK
RGB_DDC_SDA
TXB0N
VDD3V3
AUD_LRCK
TXB4P
0 . 0 1 u F
C368
TXB4N
5pF
50V
OPT
C329
EPHY_TDN
AUD_MASTER_CLK
TXACLKN
D2+_HDMI4_JACK
75
R321
75
R320
TXA2N
1K
R307
0 . 1 u F
C304
HDMI_ARC
2.2K
R339
OPT
1.2K
R376
CK-_HDMI4_JACK
D1-_HDMI4_JACK
CK-_HDMI3_JACK
D0+_HDMI3_JACK
TXB3P
TXB0P
100
R356
5V_HDMI_4_JACK
22pF
OPT
C389
1.2K
R377
1K
R305
TP367
1uF
25V
C363
5V_HDMI_3_JACK
AV_R_IN_SOC
2K
OPT
R326
AV_CVBS_IN_SOC
VDD3V3
0 . 1 u F
C328
AV_L_IN_SOC
RGB_DDC_SCL
5pF
50V
OPT
OPT
C330
0 . 0 1 u F
50V
C358
D0-_HDMI2_JACK
CK+_HDMI2_JACK
DDC_SDA_4_JACK
ARC
100
R340
10K
R342
AV_CVBS_IN_SOC
100
R359
DDC_SDA_3_JACK
+1.2V_MTK_AVDD
TXA0P
DSUB_HSYNC
10K
R332
OPT
0 . 1 u F
C347
AUD_SCK
AV_R_IN_SOC
D1-_HDMI3_JACK
DSUB_VSYNC_SOC
1K
R304
82
R303
D0-_HDMI3_JACK
EXT_SPK_LOUT_MAIN
TXBCLKN
TXBCLKP
0
OPT
R349
DSUB_R+
TXA3P
TXB2N
TXB3N
2K
OPT
R325
180
R302
0 . 0 1 u F
C352
DSUB_B+
DSUB_HSYNC_SOC
33pF
OPT
C396
+5V_NORMAL
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.
MODEL_OPT_10
MODEL_OPT_2
EMMC_RST
MODEL_OPT_8
MODEL_OPT_9
0 . 0 1 u F
C365
1uF
25V
C305
0 . 1 u F
C362
0 . 1 u F
C350
1uF
10V
10V
C311
47pF
50V
50V
C334
47pF
50V
50V
C335
47pF
50V
50V
C333
USB_DP1
USB_DM1
LGE2112
IC105
HDMI_CEC
AA32
HDMI_0_SCL
AG33
HDMI_1_SCL
AE33
HDMI_2_SCL
AC33
HDMI_3_SCL
AH32
HDMI_0_SDA
AF33
HDMI_1_SDA
AD33
HDMI_2_SDA
AB33
HDMI_3_SDA
AH33
HDMI_0_PWR5V
AG31
HDMI_1_PWR5V
AE31
HDMI_2_PWR5V
AC31
HDMI_3_PWR5V
AH31
HDMI_0_HPD
AG32
HDMI_1_HPD
AE32
HDMI_2_HPD
AC32
HDMI_3_HPD
AJ32
AVDD12_HDMI_0_RX
AA24
AVDD12_HDMI_1_RX
Y24
AVDD12_HDMI_2_RX
W24
AVDD12_HDMI_3_RX
AB24
AVDD33_HDMI_0_RX
AB29
AVDD33_HDMI_1_RX
AA29
AVDD33_HDMI_2_RX
Y29
AVDD33_HDMI_3_RX
AC29
AVSS33_HDMI_RX_1
AB30
AVSS33_HDMI_RX_2
AD30
AVSS33_HDMI_RX_3
AF31
AVSS33_HDMI_RX_4
AF32
USB_DP_P0
C36
USB_DM_P0
C37
USB_DP_P1
D36
USB_DM_P1
D37
USB_DP_P2
AT13
USB_DM_P2
AU13
USB_DP_P3
AT14
USB_DM_P3
AU14
AVDD33_USB_P0P1
D35
AVDD33_USB_P2P3
AP13
AVSS33_USB_P1
D34
AVSS33_USB_P2
AR13
PCIE11_TXP
W35
PCIE11_TXN
W34
PCIE11_RXN
Y34
PCIE11_RXP
Y35
AVDD12_PCIE11
U24
AVDD33_PCIE11
V24
AVSS12_PCIE11
W30
PCIE11_REFCKN
W36
PCIE11_REFCKP
W37
HDMI_0_RX_0
AG35
HDMI_0_RX_0B
AG34
HDMI_0_RX_1
AG37
HDMI_0_RX_1B
AG36
HDMI_0_RX_2
AF35
HDMI_0_RX_2B
AF34
HDMI_0_RX_C
AH35
HDMI_0_RX_CB
AH34
HDMI_1_RX_0
AE37
HDMI_1_RX_0B
AE36
HDMI_1_RX_1
AD35
HDMI_1_RX_1B
AD34
HDMI_1_RX_2
AC35
HDMI_1_RX_2B
AC34
HDMI_1_RX_C
AE35
HDMI_1_RX_CB
AE34
HDMI_2_RX_0
AB35
HDMI_2_RX_0B
AB34
HDMI_2_RX_1
AA35
HDMI_2_RX_1B
AA34
HDMI_2_RX_2
AA37
HDMI_2_RX_2B
AA36
HDMI_2_RX_C
AC37
HDMI_2_RX_CB
AC36
HDMI_3_RX_0
AK35
HDMI_3_RX_0B
AK34
HDMI_3_RX_1
AJ35
HDMI_3_RX_1B
AJ34
HDMI_3_RX_2
AJ37
HDMI_3_RX_2B
AJ36
HDMI_3_RX_C
AJ33
HDMI_3_RX_CB
AK33
TXVP_0
AT18
TXVN_0
AU18
RXVN_1
AU17
RXVP_1
AT17
PHYLED1
AN16
PHYLED0
AM16
REXT
AD15
AVDD12_REC
AD14
AVDD33_COM
AD16
AVDD33_LD
AD17
AVSS33_LD
AL16
AVSS33_COM
AL15
AVSS12_REC
AL14
LGE2112
IC105
TCON0
F27
TCON1
E27
TCON2
F30
TCON3
F29
TCON4
B27
TCON5
A27
TCON6
B28
TCON7
A28
TCON8
C28
TCON9
D28
TCON10
E28
TCON11
F28
TCON12
B29
AVDD12_LVDS_1
AG6
AVDD12_LVDS_2
AJ6
AVDD12_VPLL
AF6
AVDD33_LVDSB
AE6
AVDD33_LVDSA
AH7
AVSS12_LVDS_2
AJ5
AVSS12_LVDS_1
AG5
AVSS12_VPLL
AF5
AVSS33_LVDSB
AE5
AVSS33_LVDSA
AH5
REXT_VPLL
AG7
AIN0_R_AADC
AU37
AIN0_L_AADC
AU35
AIN1_R_AADC
AT35
AIN1_L_AADC
AT37
AIN2_R_AADC
AU36
AIN2_L_AADC
AP34
AIN3_R_AADC
AT36
AIN3_L_AADC
AR37
AIN4_R_AADC
AR33
AIN4_L_AADC
AP32
AIN5_R_AADC
AR36
AIN5_L_AADC
AP37
AIN6_R_AADC
AR35
AIN6_L_AADC
AP36
AVDD33_AADC
AL31
AVSS33_AADC
AJ28
VMID_AADC
AJ27
MPXP
AN28
ADCINP_DEMOD
AU32
ADCINN_DEMOD
AT32
AVDD33_DEMOD
AD22
AVDD12_DEMOD
AL27
AVSS33_DEMOD
AM28
AVSS12_DEMOD
AJ26
IF_AGC
U35
RF_AGC
U34
LOUTN
AP31
LOUTP
AN30
OSCL2
V35
OSDA2
V34
SC0
AP28
SY0
AR29
CVBS3P
AT30
CVBS2P
AR30
CVBS1P
AR31
CVBS0P
AN29
CVBS_COM
AP30
AVDD33_CVBS_1
AK24
AVDD33_CVBS_2
AK25
AVSS33_CVBS_1
AL25
AVSS33_CVBS_2
AM26
AO3N
AG3
AO3P
AG4
AO4N
AG1
AO4P
AG2
AOCLKN
AF3
AOCLKP
AF4
AO2N
AE3
AO2P
AE4
AO1N
AE1
AO1P
AE2
AO0N
AD1
AO0P
AD2
AE4N
AL3
AE4P
AL4
AE3N
AL1
AE3P
AL2
AECLKN
AK3
AECLKP
AK4
AE2N
AJ3
AE2P
AJ4
AE1N
AJ1
AE1P
AJ2
AE0N
AH3
AE0P
AH4
BO4N
AT2
BO4P
AU2
BO3N
AT1
BO3P
AU1
BOCLKN
AR1
BOCLKP
AR2
BO2N
AP1
BO2P
AP2
BO1N
AN1
BO1P
AN2
BO0N
AM3
BO0P
AM4
BE4N
AT6
BE4P
AU6
BE3N
AP6
BE3P
AR6
BECLKN
AP5
BECLKP
AR5
BE2N
AT4
BE2P
AU4
BE1N
AP4
BE1P
AR4
BE0N
AP3
BE0P
AR3
AR0_ADAC
AN35
AL0_ADAC
AN34
AR1_ADAC
AM32
AL1_ADAC
AM34
AR2_ADAC
AM37
AL2_ADAC
AM33
AR3_ADAC
AM36
AL3_ADAC
AM35
AVDD33_DAC
AG30
AVDD33_DAC1
AF30
AVSS33_DAC
AK30
AVSS33_DAC1
AE30
ALIN
Y33
ASPDIF0
AR16
ASPDIF1
Y32
AOBCK
AR11
AOLRCK
AP11
AOMCLK
AM12
AOSDATA4
AM10
AOSDATA3
AM11
AOSDATA2
AN11
AOSDATA1
AN10
AOSDATA0
AN9
HSYNC
AN25
VSYNC
AM25
RP
AR25
GP
AR24
BP
AU24
COM
AP24
SOG
AT24
VGA_SDA
AR22
VGA_SCL
AP22
COM1
AT26
PB1P
AR26
PR1P
AP26
Y1P
AU26
SOY1
AP25
COM0
AU28
PB0P
AT28
PR0P
AR28
Y0P
AP27
SOY0
AR27
VDACX_OUT
AU30
VDACY_OUT
AP29
AVDD33_VDAC_BG
AD20
AVDD33_VDAC
AD21
AVDD12_RGB
AD19
AVSS33_VDAC_BG
AJ22
AVSS12_RGB
AJ21
AVSS33_VDAC
AL24
BLM15BD121SN1
L301
BLM15BD121SN1
L300
BLM15BD121SN1
L304
TP303
TXB4N
TXB4P
TP304
TXA4N
TXA4P
TP302
TP301
0
R347
OPT
0
R348
OPT
22
EXT_SPK_CONTROL
R317
EXT_SPK_VOL+
22
R319
OPT
22 EXT_SPK_CONTROL
R316
22
R318
OPT
EXT_SPK_VOL-
EPHY_LINK
EPHY_ACTIVITY
A D L C 5 S 0 2 0 1 5
5.5V
D300
A D L C 5 S 0 2 0 1 5
5.5V
D301
A D L C 5 S 0 2 0 1 5
5.5V
D302
PC_L_IN
0
R314
0
R336
PC_R_IN
560pF
50V
50V
OPT
C300
470K
OPT
R300
560pF
50V
50V
OPT
C301
100pF
50V
50V
OPT
C315
PC_L_IN_SOC
PC_R_IN_SOC
100pF
50V
50V
OPT
C314
10uF
16V
16V
C319
470K
OPT
R301
10uF
16V
16V
C320
PC_R_IN_SOC
PC_L_IN_SOC
TP378
AV_DET
0
R380
OPT
HDMI_CEC
USB_DP2
USB_DM2
HDMI_HPD_4_JACK
MTK_HPD
10uF
10V
10V
C321
10uF
10V
10V
C353
10uF
10V
10V
C356
0 . 1 u F
C383
0 . 1 u F
C331
VDD3V3_ETN
1uF
C327
9
MID_MAIN_2
2 0 1 1 . 0 9 . 2 9
PLACE AT JACK SIDE
CHANGE SYMBOL
D o n ’ t u s e a s G P I O
CH1
CH2
CH3
CH4
CH5
CH6
F o r P C B P a t t e r n
F o r P C B P a t t e r n
F o r P C B P a t t e r n
C l o s e t o M T 5 3 6 9
U S B P o r t w a s c h a n g e d ! ! ! !
PLACE AT JACK SIDE
xxLT760H-UA
C333 / C334 / C335 MTK Recommend : 10 pF
1 6 0 8 s i z s F o r E M I
1 6 0 8 s i z s F o r E M I
USB2 W/O HUB
USB1 W/ HUB
To NEC & HDMI
N e a r t o A D 1 9
N e a r t o A F 3 0
MAIN_AMP_MUTE
EXT_AMP_MUTE
PANEL_CTL
INV_CTL
P l a c e C l o s e T o M T K 5 3 6 9 ( I C 1 0 5 )
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