Read LG 37LD650 (CHASSIS:LB03B) 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.
+3.5V_ST
P8100
12505WS-12A00
1
2
3
4
5
6
7
8
9
10
11
12
13
NEC_ISP_Rx
NEC_ISP_Tx
WIRELESS_DETECT
+3.5V_ST
MODEL1_OPT_0
R8139
10K
10K
OPT
Q8100
2SC3052
2SC3052
E
B
C
R8116
22
KEY1
NEC_ISP_Rx
R8133
22
PANEL_CTL
MODEL1_OPT_1
OCD1A
R8112
10K
TACT_KEY
INV_CTL
R8122
4.7K
1/16W
5%
C8104
0.1uF
HDMI_CEC
NEC_ISP_Tx
R8186
20K
1/16W
1%
1%
C8108
0.1uF
0.1uF
POWER_ON/OFF1
R8196
22
R
8
1
7
7
2
2
R8178
22
SW8100
JTP-1127WEM
1
2
4
3
+3.5V_ST
KEY2
AMP_RESET_N
R8128
22
1/16W
5%
R8131
22
R
8
1
0
0
4
7
K
1/16W
5%
R8138
0
R8124
10K
LCD/PDP
LED_B/LG_LOGO
R8104
10K
R8185
20K
1/16W
1%
R8107
10K
NEC_TXD
R
8
1
4
4
2
2
TACT_KEY
R8103
100
R8143
10K
IC8100
M24C16-WMN6T
3
NC_3
2
NC_2
4
VSS
1
NC_1
5
SDA
6
SCL
7
WC
8
VCC
C8100
0.1uF
R8140
47K
OPT
R8136
22
NON_M-REMOTE
+3.5V_ST
MODEL1_OPT_0
RL_ON
AMP_MUTE
R8132
22
MICOM_RESET
R
8
1
4
5
2
2
FLMD0
MICOM_RESET
MICOM_DOWNLOAD
C
8
1
0
5
2
2
p
F
NEC_EEPROM_SDA
NEC_EEPROM_SCL
R8113
22
FLMD0
R8195
22
R8134
22
R8182
10K
OPT
R8192
22
R8189
10K
POWER_DET
NEC_ISP_Rx
R8123
10K
OLED/3D
R8175
4.7M
MODEL1_OPT_2
R8125
4.7K
1
/
1
6
W
5
%
+3.5V_ST
NEC_RXD
R8184
47K
R8127
22
1/16W
5%
MODEL1_OPT_2
R8188
22
IC8101
UPD78F0513AGA-GAM-AX
NEC_MICOM
1
P60/SCL0
2
P61/SDA0
3
P62/EXSCL0
4
P63
5
P33/TI51/TO51/INTP4
6
P75
7
P74
8
P73/KR3
9
P72/KR2
10
P71/KR1
11
P70/KR0
12
P32/INTP3/OCD1B
13
P31/INTP2/OCD1A
14
P30/INTP1
15
P17/TI50/TO50
16
P16/TOH1/INTP5
17
P15/TOH0
18
P14/RXD6
19
P13/TXD6
20
P12/SO10
21
P11/SL10/RXD0
22
P10/SCK10/TXD0
23
AVREF
24
AVSS
25
ANI7/P27
26
ANI6/P26
27
ANI5/P25
28
ANI4/P24
29
ANI3/P23
30
ANI2/P22
31
ANI1/P21
32
P20/ANI0
33
P130
34
P01/TI010/TO00
35
P00/TI000
36
P140/PCL/INTP6
37
P120/INTP0/EXLVI
38
P41
39
P40
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
FLMD0
44
P122/X2/EXCLK/OCD0B
45
P121/X1/OCD0A
46
REGC
47
VSS
48
VDD
SIDE_HP_MUTE
SCART1_MUTE
WIRELESS_SW_CTRL
+3.5V_ST
+3.5V_ST
R8190
22
SCL1_3.3V
LED_R/BUZZ
SDA1_3.3V
R8118
22
MODEL1_OPT_3
R8117
22
1/16W
5%
R8183
10K
OPT
X8101
32.768KHz
R8193
22
+3.5V_ST
SOC_RESET
X8100
10MHz
R8181
10K
OPT
R8110
10K
LCD/OLED
R8105
10K
EDID_WP
R8130
22
R8194
22
OCD1A
+3.5V_ST
OCD1B
R8126
10K
OPT
MODEL1_OPT_1
IR
NEC_EEPROM_SDA
R8119
22
GND
C8107
1uF
R8111
10K
TOUCH_KEY
R8135
22
R8102
100
R8115
22
+3.5V_ST
R
8
1
4
2
2
2
NON_M-REMOTE
R8101
100
OPC
GND
R8120
10K
LOGO_BUZZ
R8129
22
R
8
1
7
9
2
2
POWER_ON/OFF2_1
R8146
0
C8103
0.1uF
0.1uF
SCART1_MUTE
R8108
10K
MICOM_DOWNLOAD
FLASH_WP
R8121
10K
PWM_LED
C8102
15pF
50V
R8187
22
NEC_ISP_Tx
OCD1B
OPC_EN
R8180
22
+3.5V_ST
OCD1B
WIRELESS_PWR_EN
POWER_ON/OFF2_2
NEC_EEPROM_SCL
C8106
27pF
TP8100
R8114
22
1/16W
5%
C8101
15pF
50V
MODEL1_OPT_3
R8106
10K
R8109
10K
PDP/3D
R8191
22
OCD1A
R
8
1
7
6
2
2
5
0
0
MODEL_OPT_3
1
0
31
LOW_SMALL
1
1
LOGO_BUZZ
LCD/PDP
MODEL OPTION
0
1
PWM_LED
HIGH
PIN NAME
MODEL_OPT_0
OLED
MICOM MODEL OPTION
TBD
8
MODEL_OPT_3
PIN NO.
30
11
1
MODEL_OPT_0
1
TOUCH_KEY
0
3D
LCD/OLED
MODEL_OPT_2
LOW
OLED/3D
MODEL_OPT_2
EEPROM for Micom
0
1
MODEL_OPT_1
0
for Debugger
TACT_KEY
MODEL_OPT_1
LOW
PDP/3D
1
0
PDP
LCD
HIGH
MICOM
GP2_Saturn7M
Ver. 1.4
10Mhz Crystal Ready
FOR ATSC Assy
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