DOWNLOAD LG 37LT640H-ZA (CHASSIS:LD2AF) Service Manual ↓ Size: 6.64 MB | Pages: 61 in PDF or view online for FREE

Model
37LT640H-ZA (CHASSIS:LD2AF)
Pages
61
Size
6.64 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lt640h-za-chassis-ld2af.pdf
Date
PREV: LG 42LN6150 (CHASSIS:LC33B) Service Manual

LG 37LT640H-ZA (CHASSIS:LD2AF) 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.
2.7K
R888
HDMI_1
DDC_SCL_2
5V_DET_HDMI_4
D804
OPT
DDC_SDA_1
10K
R862
D1+_HDMI2
HDMI_CEC
D0-_HDMI1
CK-_HDMI4
68K
R854
OPT
D0+_HDMI2
0
R815
5V_HDMI_1
2.7K
R889
HDMI_2
+5V_Normal
D2-_HDMI2
HPD4
10K
R828
CK+_HDMI1
D0+_HDMI4
1K
R896
0 OPT
R805
2.7K
R884
HDMI_1
1.8K
R803
HPD2
5V_DET_HDMI_2
2.7K
R885
HDMI_2
HDMI_CEC
1.8K
R837
DDC_SCL_4
HDMI_CEC
DDC_SDA_2
DDC_SCL_4
D0+_HDMI1
10K
R808
DDC_SDA_1
1.8K
R804
+5V_Normal
D2+_HDMI4
CK-_HDMI2
10K
R806
D1-_HDMI2
DDC_SCL_1
DDC_SDA_2
CK+_HDMI4
CK+_HDMI2
0 . 1 u F
16V
C805
OPT
2.7K
R887
HDMI_SIDE
5V_DET_HDMI_1
10K
R830
D0-_HDMI2
DDC_SCL_1
5V_HDMI_2
CK-_HDMI1
+5V_Normal
0 . 1 u F
16V
C802
D1-_HDMI1
DDC_SDA_4
AVRL161A1R1NT
OPT
D803
0
R841
1K
R897
68K
OPT
R857
10K
R807
1K
R895
D1+_HDMI4
3.3K
R835
DDC_SCL_2
0 . 1 u F
16V
C803
5V_HDMI_4
HDMI_ARC
D2-_HDMI4
HDMI_CEC
D2+_HDMI2
5V_HDMI_2
D0-_HDMI4
+3.5V_ST
10K
R856
OPT
D1-_HDMI4
D2+_HDMI1
D2-_HDMI1
3.3K
R802
2.7K
R891
HDMI_SIDE
5V_HDMI_4
DDC_SDA_4
CEC_REMOTE_S7
3.3K
R801
HPD1
0 . 1 u F
16V
C801
5V_HDMI_1
D1+_HDMI1
0
R824
100
R855
+3.5V_ST
10K
R814
D805
CEC_REMOTE_NEC
100
R813
OPT
0 . 1 u F
16V
C804
68K
R816
AVRL161A1R1NT
OPT
D806
68K
R812
IR_OUT_HDMI1
0
R809
0
R810
IR_OUT_HDMI2
0
R811
IR_OUT_SIDE_HDMI
CEC_ON/OFF
BSS83
Q806
OPT
S
B
D
G
BSS83
Q805
S
B
D
G
MMBT3904(NXP)
Q802
E
B
C
MMBT3904(NXP)
Q803
E
B
C
MMBT3904(NXP)
Q801
E
B
C
200pF
5.6V
D802
OPT
200pF
5.6V
OPT
D801
200pF
5.6V
OPT
D811
MMBD6100
D821
HDMI_1
A2
C
A1
MMBD6100
D822
HDMI_2
A2
C
A1
MMBD6100
D824
HDMI_SIDE
A2
C
A1
EAG59023302
JK802
HDMI_1
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
EAG59023302
JK801
HDMI_2
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
EAG62611201
HDMI_SIDE
JK803
14
13
5
D1_GND
20
BODY_SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
HDMI_1
HDMI_2
For CEC
SIDE_HDMI
2 0 1 1 . 0 8 . 2 1
8           2 0
 EMEA INTERACTIVE
GP4_MSTAR
HDMI
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.
0 . 1 u F
C1005
UART_RX
0 . 1 u F
C1002
0 . 3 3 u F
C1000
0 . 1 u F
C1003
+3.5V_ST
CDS3C30GTH
30V
OPT
D1000
100
R1001
0 . 1 u F
C1004
0 . 1 u F
C1001
100
R1002
SPG09-DB-009
JK1000
1
2
3
4
5
6
7
8
9
10
EAN41348201
MAX3232CDR
IC1000
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
CDS3C30GTH
30V
OPT
D1001
EXT_12V
EXT_5V
IR_OUT_RS232C
0
R1000
+3.5V_ST
47K
R1003
OPT
1K
R1004
UART_TX
1SS355
90V
D1002
RS232C_9PIN
RS232C
 EMEA INTERACTIVE
GP4_MSTAR
2 0 1 1 . 0 8 . 2 1
1 0           2 0
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.
100pF
50V
C1108
10K
R1104
OPT
1K
R1125
HEAD_PHONE
RGB_DDC_SDA
1K
R1147
470K
R1102
10uF
16V
C1118
HEAD_PHONE
15K
R1107
RGB_DDC_SCL
0 . 1 u F
C1112
USB DOWN STREAM
3AU04S-345-ZC-H-LG 
JK1105
1
2
3
4
5
+3.3V_Normal
1000pF
50V
C1116
OPT
10K
R1130
HEAD_PHONE
SIDE_USB_DP
10K
R1112
+3.5V_ST
75
R1133
HP_DET
22uF
16V
C1109
OPT
0 . 1 u F
16V
C1131
75
R1135
SPG09-DB-010
JK1104
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
68pF
50V
OPT
C1126
DSUB_VSYNC
Fiber Optic
2F01TC1-CLM97-4F 
JK1103
3
VIN
2
VCC
1
GND
4
SHIELD
470K
R1103
PC_L_IN
10uF
16V
C1110
OPT
+3.3V_Normal
22uF
16V
C1117
SPDIF_OUT
+3.3V_Normal
DSUB_DET
3.3K
R1129
HEAD_PHONE
P E J 0 2 7 - 0 4
JK1102
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
+5V_USB
DSUB_G+
DSUB_B+
10K
R1146
+3.3V_Normal
USB1_OCD
DSUB_R+
+5V_Normal
100pF
50V
C1121
2.2K
R1139
22
R1141
0 . 1 u F
16V
C1129
18pF
50V
C1128
USB1_CTL
AP2191DSG
EAN61849601
IC1103
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
1K
R1128
HEAD_PHONE
HP_ROUT
10K
R1111
1K
R1155
HEAD_PHONE
47
R1109
15K
R1108
SIDE_HP_MUTE
75
R1137
4.7K
OPT
R1113
22
R1143
RCLAMP0502BA
OPT
D1100
DSUB_HSYNC
100pF
50V
C1107
10uF
16V
C1119
HEAD_PHONE
10K
R1110
18pF
50V
C1127
2.2K
R1140
10uF
10V
C1111
1000pF
50V
C1115
OPT
HP_LOUT
SIDE_USB_DM
68pF
50V
OPT
C1122
PC_R_IN
KJA-PH-0-0177
JK1101
HEAD_PHONE
3
DETECT
4
L
5
GND
1
R
CIS21J121
120
L1100
1/8W
2K
5%
R1106
1/8W
2K
5%
R1105
MMBT3904(NXP)
Q1102
HEAD_PHONE
E
B
C
MMBT3904(NXP)
Q1101
HEAD_PHONE
E
B
C
MMBT3904(NXP)
Q1104
HEAD_PHONE
E
B
C
MMBT3904(NXP)
Q1103
HEAD_PHONE
E
B
C
MMBT3904(NXP)
Q1106
HEAD_PHONE
E
B
C
10pF
20V
D1109
10pF
20V
D1113
10pF
20V
D1110
RGB_ZENER
10pF
20V
D1111
RGB_ZENER
10pF
20V
D1112
RGB_ZENER
200pF
5.6V
OPT
D1101
200pF
5.6V
OPT
D1102
200pF
5.6V
OPT
D1114
200pF
5.6V
OPT
D1116
200pF
5.6V
OPT
D1117
MMBT3906(NXP) 
Q1105
HEAD_PHONE
E
B
C
MMBD6100
D1115
A2
C
A1
SPDIF OPTIC JACK
USB_DIODES
5 . 1 5   M s t a r   C i r c u i t   A p p l i c a t i o n
RGB/SPDIF/PC/HP/USB
RGB PC
PC AUDIO
EARPHONE BLOCK
$ 0 . 0 7 7
 EMEA INTERACTIVE
GP4_MSTAR
2 0 1 1 . 0 8 . 2 1
INTERFACE
1 1           2 0
Page of 61
Display

Click on the first or last page to see other 37LT640H-ZA (CHASSIS:LD2AF) service manuals if exist.

RANDOM: