Read LG 55LV355H (CHASSIS:LB0AZ) Service Manual 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.
+5V_ST
+3.5V_ST
IR
4.7K
R5084
R5084
CLOCK
22
R5065
2SC3875S(ALY)
Q5003
CLOCK
E
B
C
TOOL0
JTP-1127WEM
SW5000
1
2
4
3
22
R5054
UART_SW2
100K
R5058
SOC_RESET
RTC_INT
KEY2
POWER_DET
TOOL0
EYEQ_SCL
22
R5029
22
R5061
NEC_EEPROM_SCL
KEY1
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC5003
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
MST_NEC_RX
S7_DBG_TX
0
R5073
22
R5068
22
R5031
UART_SW2
22
R5053
+3.5V_ST
0
OPT
R5060
13pF
C5007
22
R5076
4.7K
OPT
R5023
UART_RX
AMP_MUTE
22
R5056
+3.5V_ST
SIDE_HP_MUTE
+5V_ST
22
R5078
22
OPT R5032
22uF
25V
25V
3 . 3 V t o 5 V
C5016
PKLCS1212E4001-R1
BU5000
CLOCK
1
2
MODEL1_OPT_2
0 . 1 u F
16V
16V
C5014
CLOCK
0
OPT
R5011
10K
R5043
2 . 2 u F
10V
10V
3 . 3 V t o 5 V
C5015
22
R5042
UART_TX
POWER_ON/OFF1
10MHz
X5001
4.7K
R5035
+3.5V_ST
NEC_EEPROM_SCL
10K
GP2
R5001
DBG_SW
EXT_PWR_DET
10
R5106
CLOCK
4.7K
R5020
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC5001
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
UART_RX
22
R5077
12507WR-12L
P5001
CLOCK
1
2
3
4
5
6
7
8
9
10
11
12
13
10K
PWM_LED
R5007
22
R5062
+3.5V_ST
EXT12V_CTRL
22
R5111
10
R5104
CLOCK
10K
R5093
CLOCK
BLM18PG600SN1D
L5001
MODEL1_OPT_2
CEC_ON/OFF
MST_NEC_TX
10
R5108
CLOCK
4.7K
R5095
22
R5063
+5V_ST
10K
R5091
CLOCK
10K
R5094
CLOCK
22
OPT
R5030
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC5002
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
10K
R5092
CLOCK
NEC_RX
2SA1504S
Q5010
CLOCK
E
B
C
+3.5V_ST
EYEQ_SDA
22
R5033
CLOCK_SDA
4.7K
R5085
R5085
CLOCK
22
R5082
EEPROM_SCL
POWER_ON/OFF2_2
22
R5040
13pF
C5009
+5V_ST
+3.5V_ST
UART_SW1
100
R5016
NEC_EEPROM_SDA
100
R5049
47K
R5064
INV_CTL
S/T_SDA
UART_SW1
0
OPT
R5003
100
R5017
+5V_ST
22 OPT
R5079
S7_DBG_RX
PANEL_CTL
12507WS-06L
P5000
1
2
3
4
5
6
7
22
R5021
0 . 1 u F
C5004
22
OPT
R5069
22
R5041
22uF
25V
25V
3 . 3 V t o 5 V
C5012
EEPROM_SW
4.7K
OPT
R5022
0.1uF
16V
C5008
NEC_DBG_TX
22
R5026
+5V_ST
22
R5024
FLMD0
AMP_RESET
22
R5066
CEC_REMOTE_NEC
22
OPT
R5072
0 . 1 u F
C5002
LED_B/LG_LOGO
UPD78F1164GF(S)
NEC_MICOM
IC5005
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
10K
B/L_LED
R5009
4.7K
R5045
1M
R5055
2SA1504S
Q5006
CLOCK
E
B
C
10
R5105
CLOCK
10
R5100
CLOCK
22
R5067
0
OPT
R5059
AMP_RESET
+3.5V_ST
22
R5048
+3.5V_ST
+3.5V_ST
10K
TOUCH_KEY
R5004
S7_RXD
UART_DBG_SW
NEC_EEPROM_SDA
10K
TACT_KEY
R5005
22
R5051
TOOL1
10K
B/L_LAMP
R5010
4.7K
R5019
10
R5102
CLOCK
100
R5015
CLOCK_SCL
EEPROM_SW
22
R5036
0.1uF
16V
C5006
+5V_ST
KID65003AF
IC5010
CLOCK
3
I 3
2
I 2
4
I 4
1
I 1
6
I 6
5
I 5
7
I 7
8
GND
9
COMMON
10
O7
11
O6
12
O5
13
O4
14
O3
15
O2
16
O1
S7_EEPROM_SCL
4.7K
R5046
22
R5037
NEC_DBG_RX
22
R5057
+3.5V_ST
SUBAMP_MUTE
10
R5107
CLOCK
S/T_SCL
22
R5047
2SC3052
Q5000
E
B
C
POWER_ON/OFF2_1
1uF
50V
50V
C5011
FLMD0
S7_EEPROM_SDA
10
R5099
CLOCK
+3.5V_ST
THERMAL
SC632ULTRT
3 . 3 V t o 5 V
IC5009
3
C1-
2
C1+
4
IN
1
GND
5
EN
6
OUT
7
C2+
8
C2-
9
[EP]GND
EDID_WP
2SC3875S(ALY)
Q5005
CLOCK
E
B
C
22
R5109
22
R5081
NEC_TX
MICOM_RESET
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC5004
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
2SC3875S(ALY)
Q5002
CLOCK
E
B
C
MST_NEC_RX
100
R5050
+3.5V_ST
EXT5V_CTRL
2 . 2 u F
10V
10V
C5010
10K
R5071
+3.5V_ST
NEC_TX
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC5007
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
0
R5074
10K
R5090
CLOCK
22
R5027
22
R5110
SUBAMP_SD
22
R5025
IR_OUT_CTRL
MICOM_RESET
UART_TX
2SC3875S(ALY)
Q5001
CLOCK
E
B
C
4.7K
R5089
OPT
74LX1G14CTR
IC5008
CLOCK
3
GND
2
1A
4
1Y
1
NC
5
VCC
100
R5008
MST_NEC_TX
10K
PWM_BUZZ/IIC_LED
R5006
BLM18PG121SN1D
L5002
CLOCK
2 . 2 u F
10V
10V
3 . 3 V t o 5 V
C5013
4.7K
R5096
PANEL_CTL
EEPROM_SDA
2SA1504S
Q5007
CLOCK
E
B
C
BLM18PG600SN1D
3 . 3 V t o 5 V
L5000
10K
OPT
R5018
S7_TXD
22
R5070
LED_R/BUZZ
0
R5112
CLOCK
4.7K
R5083
R5083
CLOCK
22
R5080
RL_ON
CEC_ON/OFF
2SA1504S
Q5008
CLOCK
E
B
C
4.7K
R5088
R5088
CLOCK
10
R5101
CLOCK
ON SEMICONDUCTOR
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
IC5006
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
10
R5103
CLOCK
TOOL1
NEC_RX
4.7K
R5034
22
R5075
0 . 1 u F
C5005
22
R5028
10K
GP3
R5002
22
R5038
22
R5039
4.7K
R5087
R5087
CLOCK
10
R5097
CLOCK
4.7K
R5086
OPT
0
R5044
2SC3875S(ALY)
Q5004
CLOCK
E
B
C
2SA1504S
Q5009
CLOCK
E
B
C
10
R5098
CLOCK
22
R5052
0 . 1 u F
16V
16V
C5003
CLOCK
M41T81
IC5000
CLOCK
3
VBAT
2
XO
4
VSS
1
XI
5
SDA
6
SCL
7
IRQ/FT/OUT/SQW
8
VCC
22
R5012
CLOCK
2pF
50V
50V
C5000
CLOCK
1K
R5000
CLOCK
CLOCK_SCL
CLOCK_SDA
RTC_INT
BATTERY
M5000
CLOCK
1
2
+3.5V_ST
4.7K
R5014
CLOCK
22
R5013
CLOCK
2pF
50V
50V
C5001
CLOCK
10K
NON_CLOCK
R5113
10K
CLOCK
R5114
+3.5V_ST
32.768KHz
X5000
CLOCK
SIGN340159
CLOCK_SDA
+3.5V_ST
CLOCK_SCL
GP2R
MICOM Rev.4
20101125
5
LD350/450/550
HIGH
MODEL_OPT_2
MODEL_OPT_1
B/L_LED
PIN NAME
MODEL OPTION
MICOM MODEL OPTION
B/L_LAMP
LOW
MODEL_OPT_0
LE7300
HIGH
1 9 / 2 2 / 2 6 L E 3 3 0 0 ( 5 5 0 0 )
LOW
PWM_LED
LOW
HIGH
MODEL_OPT_2
GP2
HIGH
SELECT
LOW
LOW
11
B 1 - A
HIGH
HIGH
LOW
B 0 - A
MODEL_OPT_3
HIGH
LOW
UART SWITCH
HIGH
LOW
H
LD420
LOW
L
TBD
LOW
H
CONNECTION
MODEL_OPT_1
SELECT
MODEL_OPT_0
S t e p U p r e g u l a t o r 3 . 3 V t o 5 V ( M A X 2 5 0 m A )
PIN NO.
MODEL_OPT_1
CONNECTION
PWM_BUZZ/IIC_LED
HIGH
B 0 - A
HIGH
3 2 / 3 7 / 4 2 / 4 7 / 5 5 L E 5 3 0 0 ( 1 0 )
Closed to Crystal
LOW
HIGH
B 1 - A
30
LOW
TOUCH_KEY
L
8
31
TACT_KEY
MODEL_OPT_3
MODEL_OPT_3
GP3
LOW
MODEL_OPT_0
REAL TIME CLOCK
Click on the first or last page to see other 55LV355H (CHASSIS:LB0AZ) service manuals if exist.