Read LG 26LH250C (CHASSIS:LD01X) 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.
SIGN6937
+3.5V_ST
R1001
10
10
R1002
47K
NEC_EEPROM_SDA
R1022
22
OPT
R1084
10
10
BU1001
PKLCS1212E4001-R1
1
2
NEC_TX
+3.5V_ST
UART_DBG_SW
R1011
22
C1005
0.1uF
16V
TOOL1
C1006
0.1uF
0.1uF
KEY2
R1023
22
OPT
R1073
4.7K
C1007
0.1uF
16V
0.1uF
16V
Q1003
2SA1504S
E
B
C
C1008
13pF
R1065
22
R1081
10
10
R1037
4.7K
Q1005
2SA1504S
E
B
C
S7_EEPROM_SCL
R
1
0
0
8
4
.
7
K
OPT
R1058
22
S7_EEPROM_SDA
L1005
BLM18PG121SN1D
R1012
22
R1079
22
FLMD0
R1055
22
IC1003
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
IC1002
UPD78F1164GF(S)
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
R1019
22
OPT
R1018
22
R1080
10
10
C1009
2.2uF
10V
2.2uF
10V
FLMD0
NEC_EEPROM_SDA
R1016
22
R1027
22
OPT
R1009
22
P1001
12507WS-06L
1
2
3
4
5
6
7
POWER_DET
R1030
22
EEPROM_SDA
R1015
22
R1039
22
22
P1002
12507WS-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
EXT_PWR_DET
EEPROM_SCL
Q1004
2SA1504S
E
B
C
CLOCK_SDA
R1040
22
R1017
22
OPT
R1038
4.7K
MST_NEC_RX
R1003
47K
SUB_EEPROM
R1054
22
NEC_RX
MICOM_RESET
INV_CTL
R1085
10
10
R1010
10K
10K
OPT
R1076
4.7K
4.7K
+3.5V_ST
DBG_SW
R1034
22
R1082
10
10
CLOCK_SCL
SW1001
JTP-1127WEM
1
2
4
3
R1021
22
OPT
EXT12V_CTRL
R1078
22
R1035
10K
C1010
0.1uF
16V
RTC_INT
MICOM_RESET
R1043
100
OPT
EDID_WP
IC1004
M24C16-WMN6T
SUB_EEPROM
3
NC/E2
2
NC/E1
4
VSS
1
NC/E0
5
SDA
6
SCL
7
WC
8
VCC
AMP_MUTE
Q1002
2SA1504S
E
B
C
R1020
22
OPT
+3.5V_ST
R1048
22
R1057
22
OPT
R1005
0
0
OPT
LED_R
NEC_EEPROM_SCL
R1074
4.7K
4.7K
R1029
22
NEC_DBG_RX
R1053
22
R1025
22
OPT
C1011
0.1uF
0.1uF
SUB_EEPROM
EEPROM_SW
R1066
22
TOOL0
R1004
0
0
OPT
R1062
0
0
X1001
10MHz
IC1005
74LX1G14CTR
3
GND
2
1A
4
1Y
1
NC
5
VCC
C1012
1uF
50V
1uF
50V
R1006
22
SUB_EEPROM
PANEL_CTL
R1041
100
OPT
EEPROM_SW
R1031
22
IR_OUT_CTRL
+3.5V_ST
Q1001
2SC3052
E
B
C
R1026
22
OPT
NEC_IR
R1014
22
R1051
22
+3.5V_ST
NEC_DBG_TX
TOOL1
R1007
22
SUB_EEPROM
R1033
22
R1047
1M
R1075
4.7K
4.7K
+5V_Normal
L1002
BLM18PG600SN1D
SUB_EEPROM
NEC_EEPROM_SCL
+3.5V_ST
NEC_EEPROM_SDA
R1044
100
OPT
+3.5V_ST
R1045
22
R1064
22
NEC_EEPROM_SCL
R1046
22
R1052
22
R1061
0
R1060
22
OPT
R1032
22
POWER_ON/OFF1
+3.5V_ST
IC1006
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
KEY1
LED_B
UART_SW2
R1083
10
10
SOC_RESET
TOOL0
MST_NEC_TX
R1063
22
R1024
22
OPT
R1050
100K
100K
R1013
22
R1036
0
C1013
13pF
R1042
100
OPT
R1049
22
UART_SW1
R1028
22
R1077
22
L1003
BLM18PG600SN1D
IC1007
NLASB3157DFT2G
EAN38256201
ANALOG SWITCH
ON SEMICONDUCTOR
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
Q1006
2SA1504S
E
B
C
EXT5V_CTRL
POWER_ON/OFF2_2
RL_ON
POWER_ON/OFF2_1
AMP_RESET_N
SIDE_HP_MUTE
CEC_REMOTE
SCART1_MUTE
R1059
10K
SUBAMP_MUTE
SUBAMP_SD
R1070
22
R1069
22
R1056
22
NEC_SDA
NEC_SCL
R1072
22 OPT
R1071
22 OPT
R1067
22 OPT
R1068
22 OPT
C1001
22uF
25V
22uF
25V
26~42"
C1002
22uF
25V
22uF
25V
26~42"
C1003
2.2uF
10V
2.2uF
10V
26~42"
C1004
2.2uF
10V
2.2uF
10V
26~42"
L1001
BLM18PG600SN1D
26~42"
+3.5V_ST
+5V_ST
R1086
0
0
+5V_ST
+3.5V_ST
IC1009
SC632ULTRT
26~42"
3
C1-
2
C1+
4
IN
1
GND
5
EN
6
OUT
7
C2+
8
C2-
9
[EP]GND
R1087
4.7K
R1088
4.7K
R1089
4.7K
R1090
4.7K
R1091
4.7K
+5V_ST
+5V_ST
+5V_ST
+5V_ST
+5V_ST
Q1007
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
Q1008
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
Q1009
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
Q1010
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
Q1011
2SC3875S(ALY)
2SC3875S(ALY)
E
B
C
R1092
10K
R1093
10K
R1094
10K
R1095
10K
R1096
10K
R1097
10
10
R1098
10
10
R1099
10
10
R1100
10
10
R1101
10
10
/PI_RESET_NEC
R1000
22
MICOM
Ver. 1.0
5
L
B0 - A
EEPROM for Micom
B1 - A
CONNECTION
H
SELECT
Closed to Crystal
Step Up regulator 3.3V to 5V(MAX 250mA)
EAX62115501
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