Read LG 42LV355H-ZA (CHASSIS:LD0AZ) Service Manual online
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.
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.
+3.5V_ST
SIGN340048
CLOCK_SDA
CLOCK_SCL
C5004
13pF
R5033
22
R5058
22
R5094
4.7K
4.7K
C5009
22uF
25V
22uF
25V
3.3V to 5V
R5023
22
OPT
R5072
0
0
NEC_EEPROM_SDA
R5034
22
R5106
10
10
R5101
10
10
IC5004
UPD78F1164GF(S)
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
P00/TI00
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
R5064
22
R5040
10K
C5007
2.2uF
10V
2.2uF
10V
R5031
22
R5095
10
10
MST_NEC_RX
TOOL0
R5102
10
10
R5014
10K
10K
OPT
LED_B
IR_OUT_CTRL
TOOL0
+3.5V_ST
+5V_ST
R5018
22
R5078
22 OPT
NEC_DBG_TX
R5068
10K
+5V_ST
+3.5V_ST
POWER_ON/OFF1
R5077
22 OPT
R5071
0
L5000
BLM18PG600SN1D
R5104
10
10
IC5007
74LX1G14CTR
3
GND
2
1A
4
1Y
1
NC
5
VCC
R5016
22
R5052
22
EDID_WP
RTC_INT
R5054
100K
100K
EEPROM_SW
C5002
0.1uF
0.1uF
R5103
10
10
C5013
22uF
25V
22uF
25V
3.3V to 5V
MST_NEC_TX
R5076
22
AMP_MUTE
C5006
13pF
+5V_ST
R5091
10K
R5067
22
CEC_REMOTE_NEC
R5108
22
POWER_ON/OFF2_2
C5003
0.1uF
16V
+3.5V_ST
+3.5V_ST
C5010
2.2uF
10V
2.2uF
10V
3.3V to 5V
R5069
22
OPT
C5011
0.1uF
16V
0.1uF
16V
SUBAMP_SD
R5074
22
R5097
10
10
R5059
22
RL_ON
X5000
10MHz
Q5005
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
+5V_ST
MICOM_RESET
R5057
22
SCART1_MUTE
Q5008
2SA1504S
E
B
C
R5017
22
R5060
47K
R5082
4.7K
UART_DBG_SW
NEC_EEPROM_SCL
Q5010
2SA1504S
E
B
C
R5021
22
R5079
22
C5008
1uF
50V
1uF
50V
R5089
10K
R5086
4.7K
R5081
4.7K
FLMD0
R5087
4.7K
4.7K
R5015
22
R5037
22
EXT_PWR_DET
R5063
22
R5049
22
NEC_TX
NEC_IR
R5105
10
10
R5109
22
Q5007
2SA1504S
E
B
C
R5100
10
10
INV_CTL
R5053
22
S7_EEPROM_SCL
R5036
22
+3.5V_ST
EEPROM_SDA
R5032
4.7K
R5088
10K
EEPROM_SCL
NEC_DBG_RX
Q5009
2SA1504S
E
B
C
IC5008
SC632ULTRT
3.3V to 5V
3
C1-
2
C1+
4
IN
1
GND
5
EN
6
OUT
7
C2+
8
C2-
9
[EP]GND
R5042
4.7K
PANEL_CTL
+3.5V_ST
R5061
22
NEC_EEPROM_SDA
R5110
0
0
R5051
1M
+5V_ST
UART_SW1
POWER_ON/OFF2_1
R5085
4.7K
R5073
22
Q5006
2SA1504S
E
B
C
EXT12V_CTRL
R5098
10
10
BU5000
PKLCS1212E4001-R1
1
2
R5019
22
R5043
22
22
R5070
22
OPT
L5001
BLM18PG600SN1D
3.3V to 5V
P5000
12507WS-06L
1
2
3
4
5
6
7
KEY2
R5090
10K
R5035
22
IC5006
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R5020
22
OPT
R5084
4.7K
R5055
0
0
OPT
DBG_SW
R5066
22
OPT
UART_SW2
R5080
22
Q5004
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
SUBAMP_MUTE
SW5000
JTP-1127WEM
1
2
4
3
POWER_DET
NEC_RX
IC5009
KID65003AF
3
I3
2
I2
4
I4
1
I1
6
I6
5
I5
7
I7
8
GND
9
COMMON
10
O7
11
O6
12
O5
13
O4
14
O3
15
O2
16
O1
R5099
10
10
S7_EEPROM_SDA
NEC_EEPROM_SCL
R5028
22
SIDE_HP_MUTE
+3.5V_ST
Q5000
2SC3052
E
B
C
+5V_ST
TOOL1
+3.5V_ST
C5005
0.1uF
16V
R5056
0
0
OPT
+3.5V_ST
SOC_RESET
+5V_ST
Q5001
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
FLMD0
R5096
10
10
R5044
22
R5039
22
+3.5V_ST
EXT5V_CTRL
R5050
22
TOOL1
R5093
4.7K
4.7K
LED_R
C5012
2.2uF
10V
2.2uF
10V
3.3V to 5V
Q5003
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
MICOM_RESET
R5075
22
L5002
BLM18PG121SN1D
R5022
22
R5065
22
R5107
22
R5092
10K
IC5005
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
EEPROM_SW
Q5002
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
R5038
22
KEY1
R5083
4.7K
R5041
0
R5003
10K
TOUCH_KEY
R5006
10K
PWM_LED
R5001
10K
GP3
R5004
10K
TACT_KEY
MODEL1_OPT_2
R5009
10K
B/L_LAMP
CEC_ON/OFF
R5008
10K
B/L_LED
R5000
10K
GP2
PANEL_CTL
+3.5V_ST
AMP_RESET
R5005
10K
PWM_BUZZ/IIC_LED
AMP_RESET
NEC_TX
IC5001
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R5002
0
0
OPT
IC5002
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R5011
100
100
UART_RX
C5000
0.1uF
R5010
0
0
OPT
UART_TX
UART_RX
S7_DBG_RX
IC5003
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
MST_NEC_TX
+3.5V_ST
S7_TXD
UART_TX
C5001
0.1uF
S7_DBG_TX
R5012
100
100
+3.5V_ST
S7_RXD
NEC_RX
IC5000
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
R5007
100
100
R5013
100
100
MST_NEC_RX
UART_SW1
UART_SW2
CLOCK_SDA
CLOCK_SCL
R5024
4.7K
R5027
4.7K
+3.5V_ST
S/T_SDA
S/T_SCL
R5048
22
R5047
22
P5001
12507WR-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
CEC_ON/OFF
MODEL1_OPT_2
R5025
4.7K
OPT
R5026
4.7K
OPT
R5046
100
R5045
100
EYEQ_SCL
EYEQ_SDA
R5029
4.7K
R5030
4.7K
GP2R
MICOM
20101023
5
H
SELECT
Step Up regulator 3.3V to 5V(MAX 250mA)
CONNECTION
B0 - A
Closed to Crystal
B1 - A
L
MODEL_OPT_3
MODEL_OPT_0
MODEL_OPT_1
MICOM MODEL OPTION
LE7300
PWM_LED
GP2
LOW
HIGH
HIGH
LOW
30
8
MODEL_OPT_3
LD350/450/550
B/L_LED
B/L_LAMP
HIGH
LOW
HIGH
11
LOW
LOW
LOW
LOW
LOW
MODEL_OPT_0
PWM_BUZZ/IIC_LED
HIGH
HIGH
TOUCH_KEY
TACT_KEY
LOW
MODEL_OPT_2
MODEL OPTION
MODEL_OPT_0
LOW
MODEL_OPT_2
LOW
HIGH
MODEL_OPT_3
HIGH
LD420
TBD
MODEL_OPT_1
PIN NO.
MODEL_OPT_1
HIGH
32/37/42/47/55LE5300(10)
LOW
31
GP3
HIGH
PIN NAME
LOW
19/22/26LE3300(5500)
HIGH
SELECT
B1 - A
B0 - A
UART SWITCH
H
L
CONNECTION
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