DOWNLOAD LG 37LV365C (CHASSIS:LP9DC) Service Manual ↓ Size: 6.08 MB | Pages: 36 in PDF or view online for FREE

Model
37LV365C (CHASSIS:LP9DC)
Pages
36
Size
6.08 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lv365c-chassis-lp9dc.pdf
Date
PREV: LG 37LV355H-ZA (CHASSIS:LD0AZ) Service Manual

LG 37LV365C (CHASSIS:LP9DC) 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.
10/12/11
TUNER
MAIN_SIF
0.01uF
C601
50V
M_SDA
C602
27pF
50V
+5V_TUNER
TV_MAIN
M_SCL
+5V_TUNER
C604
50V
READY
C600
27pF
50V
L602
READY
10uH
C607
82pF
50V
READY
C608
10uF
16V
L600
120-ohm
READY
Q602
ISA1530AC1
E
B
C
R602
4.7K
R606
220
R607
220
C605
100uF
16V
READY
C606
100uF
16V
READY
R605
47
R604
47
C603
0.1uF
50V
R600
0
R601
0
TU600
TAFJ-Z001D(P)
5
MOPLL_AS
11
VIDEO
2
NC_2
10
NC_4
4
RF_AGC
1
NC_1
9
SIF
8
NC_3
3
+B[5V]
7
SDA
6
SCL
12
GND
13
SHIELD
 6   12
Near the pin
’11 ATV(H6R)
LP91U
EAX64049202
* Replacement item
- EBL60720101 : TAFJ-Z001D
- EBL60720102 : TAFJ-Z001D(P)
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.
10/12/29
DDR
DDR2_A[0]
DDR2_A[12]
DDR2_A[11]
DDR2_A[1]
DDR2_A[2]
DDR2_A[3]
DDR2_A[4]
DDR2_A[5]
DDR2_A[6]
DDR2_A[7]
DDR2_A[8]
DDR2_A[9]
DDR2_A[10]
DDR2_D[0-15]
DDR2_D[0]
DDR2_D[1]
DDR2_D[2]
DDR2_D[3]
DDR2_D[4]
DDR2_D[5]
DDR2_D[6]
DDR2_D[7]
DDR2_D[8]
DDR2_D[9]
DDR2_D[10]
DDR2_D[11]
DDR2_D[12]
DDR2_D[13]
DDR2_D[14]
DDR2_D[15]
+1.8V_DDR
DDR2_A[0-12]
DDR2_BA0
DDR2_BA1
DDR2_MCLK
DDR2_MCLKZ
DDR2_CKE
DDR2_ODT
DDR2_RASZ
DDR2_CASZ
DDR2_WEZ
DDR2_DQS0P
DDR2_DQS1P
DDR2_DQM0
DDR2_DQM1
DDR2_DQS0M
DDR2_DQS1M
+1.8V_DDR
+1.8V_DDR
DDR2_D[0-15]
V_REF
R900
56
R901
56
R902
56
R903
56
R904
56
R905
56
+1.8V_DDR
R906
150
READY
V_REF
C919
10uF
10V
R907
1K
R908
1K
C905
1000pF
C918
0.1uF
C920
2.2uF
16V
C904
0.01uF
C917
0.01uF
C908
0.01uF
C916
0.01uF
C907
0.01uF
C915
0.01uF
C906
0.01uF
C914
0.01uF
C913
0.01uF
C903
0.01uF
C912
0.01uF
C902
0.01uF
C911
0.01uF
C910
0.01uF
C901
0.01uF
C909
0.01uF
C900
0.01uF
50V
IC900
K4T51163QI-HCF7 
DDR_SS
J2
VREF
J8
CK
H2
VSSQ_2
B7
UDQS
N8
A4
P8
A8
L1
NC_4
L2
BA0
R8
NC_3
K7
RAS
F8
VSSQ_3
F3
LDM
P3
A9
M3
A1
N3
A5
K8
CK
R3
NC_5
L3
BA1
J7
VSSDL
L7
CAS
F2
VSSQ_4
B3
UDM
M2
A10/AP
K2
CKE
R7
NC_6
M7
A2
N7
A6
M8
A0
J1
VDDL
K3
WE
E8
LDQS
P7
A11
K9
ODT
A2
NC_1
N2
A3
P2
A7
H8
VSSQ_1
F7
LDQS
A8
UDQS
R2
A12
L8
CS
E2
NC_2
E7
VSSQ_5
D8
VSSQ_6
D2
VSSQ_7
A7
VSSQ_8
B8
VSSQ_9
B2
VSSQ_10
P9
VSS_1
N1
VSS_2
J3
VSS_3
E3
VSS_4
A3
VSS_5
G9
VDDQ_1
G7
VDDQ_2
G3
VDDQ_3
G1
VDDQ_4
E9
VDDQ_5
C9
VDDQ_6
C7
VDDQ_7
C3
VDDQ_8
C1
VDDQ_9
A9
VDDQ_10
R1
VDD_1
M9
VDD_2
J9
VDD_3
E1
VDD_4
A1
VDD_5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
IC900-*1
W9725G6JB-25
DDR_WINBOND
J2
VREF
J8
CLK
H2
VSSQ_2
B7
UDQS
N8
A4
P8
A8
L1
NC_4
L2
BA0
R8
NC_3
K7
RAS
F8
VSSQ_3
F3
LDM
P3
A9
M3
A1
N3
A5
K8
CLK
R3
NC_5
L3
BA1
J7
VSSDL
L7
CAS
F2
VSSQ_4
B3
UDM
M2
A10/AP
K2
CKE
R7
NC_6
M7
A2
N7
A6
M8
A0
J1
VDDL
K3
WE
E8
LDQS
P7
A11
K9
ODT
A2
NC_1
N2
A3
P2
A7
H8
VSSQ_1
F7
LDQS
A8
UDQS
R2
A12
L8
CS
E2
NC_2
E7
VSSQ_5
D8
VSSQ_6
D2
VSSQ_7
A7
VSSQ_8
B8
VSSQ_9
B2
VSSQ_10
P9
VSS_1
N1
VSS_2
J3
VSS_3
E3
VSS_4
A3
VSS_5
G9
VDDQ_1
G7
VDDQ_2
G3
VDDQ_3
G1
VDDQ_4
E9
VDDQ_5
C9
VDDQ_6
C7
VDDQ_7
C3
VDDQ_8
C1
VDDQ_9
A9
VDDQ_10
R1
VDD_1
M9
VDD_2
J9
VDD_3
E1
VDD_4
A1
VDD_5
B9
DQ15
B1
DQ14
D9
DQ13
D1
DQ12
D3
DQ11
D7
DQ10
C2
DQ9
C8
DQ8
F9
DQ7
F1
DQ6
H9
DQ5
H1
DQ4
H3
DQ3
H7
DQ2
G2
DQ1
G8
DQ0
DDR2
 8   12
DDR2 MEMORY
Close to DDR2 IC
Close to DDR2 IC
’11 ATV(H6R)
LP91U
EAX64049202
THERMAL
THERMAL
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.
10/12/29
Power
0.01uF
C1021
50V
R1065
33K
PANEL_12V
C1056
1uF
25V
R1049
33K
R1048
10K
0.01uF
C1010
50V
C1005
0.1uF
50V
C1009
100uF
16V
NON_CMI_TN
POWER_SW
R1068
10K
R1069
1.6K
R1070
22K
C1048
1uF
25V
0.01uF
C1053
50V
+3.5V_MST
+3.3V_MST
PANEL_VCC
+3.5V_MULTI
P_12V
+3.5V_MST
PANEL_ON
C1019
10uF
16V
+1.2V_VDDC_MST
C1054
0.1uF
50V
+1.8V_DDR
+3.5V_MULTI
C1014
0.1uF
16V
IC1001
BD9130EFJ-E2
3
ITH
2
VCC
4
GND
1
ADJ
5
PGND
6
SW
7
PVCC
8
EN
R1044
10K
R1045
2K
R1053
3.3K
C1016
10uF
10V
C1022
10uF
6.3V
C1015
0.1uF
50V
C1023
0.1uF
50V
R1043
12K
C1060
560pF
50V
C1055
2200pF
50V
READY
R1078
3.3
READY
C1059
10uF
16V
C1013
10uF
16V
C1017
10uF
16V
C1018
10uF
16V
IC1002
AP1117EG-13 
1
ADJ/GND
2
OUT
3
IN
R1050
2.2K
R1051
2.2K
R1052
2.2K
R1054
120
R1055
56
L1006
PANEL_12V_MAG
120-ohm
L1007
120-ohm
5A_BEAD_MAG
L1013
120-ohm
5A_BEAD_MAG
L1002
2.2uH
R1020
10K
C1027
68uF
35V
READY
+3.5V_MULTI
C1036
1uF
25V
READY
C1037
1uF
25V
READY
C1038
1uF
25V
READY
0.1uF
C1040
50V
IC1004
AP1117EG-13 
1
ADJ/GND
2
OUT
3
IN
110
R1019
110
R1025
C1042
100uF
16V
0.1uF
C1039
50V
R1027
330
+5V_TUNER
R1026
330
+5V_USB
C1041
100uF
16V
IC1000
AP1117EG-13 
1
ADJ/GND
2
OUT
3
IN
C1047
0.1uF
16V
C1049
0.1uF
16V
READY
L1010
120-ohm
READY
ZD1000
3.6V
READY
L1011
120-ohm
READY
ZD1001
3.6V
READY
C1061
100uF
16V
READY
C1007
0.1uF
50V
R1061
4.7K
R1062
100K
R1066
4.7K
READY
R1067
100K
C1052
10uF
16V
LIFE_1000H
+3.5V_MULTI
C1071
10uF
16V
C1072
0.1uF
16V
R1063
12K
1%
R1064
10K
1%
C1068
2.2uF
10V
C1070
2.2uF
10V
C1067
2.2uF
10V
C1065
2.2uF
10V
R1085
470K
R1084
470K
R1041
12K
1%
R1042
10K
1%
R1073
47K
READY
ZD1002
3.6V
READY
+3.3V_MULTI
100uF
C1028
16V
READY
C1063
0.1uF
50V
C1062
10uF
6.3V
+3.5V_MST
C1066
100pF
50V
READY
C1069
100pF
50V
READY
POWER_SW
R1081
10K
IC1007
MP20045DQ-LF-Z
3
VOUT_1
2
VIN_2
4
VOUT_2
1
VIN_1
5
FB
6
GND
7
PG
8
EN
9
EP[GND]
IC1005
MP20045DQ-LF-Z
3
VOUT_1
2
VIN_2
4
VOUT_2
1
VIN_1
5
FB
6
GND
7
PG
8
EN
9
EP[GND]
Q1003
AO4813
EBK60706901
3
S1
2
G2
4
G1
1
S2
5
D1_1
6
D1_2
7
D2_1
8
D2_2
R1058
9.1K
C1030
10uF
25V
C1031
10uF
25V
L1009
3.6uH
NR8040T3R6N
IC1006
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C1035
100pF
50V
READY
R1057
10K
C1029
10uF
16V
P_12V
C1032
0.1uF
50V
L1008
500
C1033
0.1uF
16V
C1024
2200pF
C1004
100pF
50V
P_12V
+3.5V_MULTI
R1013
10K
IC1003
AOZ1073AIL
3
AGND
2
VIN
4
FB
1
PGND
5
COMP
6
EN
7
LX_1
8
LX_2
C1002
10uF
25V
L1000
500
L1001
3.6uH
NR8040T3R6N
C1003
0.1uF
50V
C1001
10uF
25V
R1014
9.1K
C1050
2200pF
+5V_MULTI
C1020
10uF
16V
C1006
10uF
16V
C1026
10uF
16V
C1025
10uF
16V
R1018
10K
1%
R1011
24K
1%
R1012
51K
5%
R1008
10K
1%
R1007
51K
5%
R1009
1.5K
5%
C1034
0.1uF
16V
C1064
0.1uF
16V
R1016
1
C1077
10uF
6.3V
100
R1035
POWER_20_ERROR_OUT
0
R1023
POWER_22_PWM_DIM
R1075
10K
READY
+3.5V_MST
C1043
68uF
35V
C1008
0.1uF
16V
READY
+3.5V_MULTI
R1030
100
POWER_24_INV_CTL
ERROR_OUT
R1015
0
POWER_16_GND
C1044
2.2uF
R1047
10K
NON_LED_DRIVER
+3.5V_MST
P1003
SMAW200-H24S2
SLIM_32~52
19
12V
14
GND
9
3.5V
4
24V
18
INV ON
13
GND
8
GND
3
24V
17
12V
12
3.5V
7
GND
2
24V
16
GND/V-sync
11
3.5V
6
GND
1
PWR ON
20
A.DIM
15
GND
10
3.5V
5
GND
21
12V
22
P.DIM1
23
GND/P.DIM2
24
Err OUT
25
+3.5V_MST
R1074
10K
INV_CTL
R1072
6.8K
READY
R1033
0
POWER_20_A_DIM
P1001
FW20020-24S
NORMAL_EXPEPT_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
100
R1036
POWER_24_ERROR_OUT
P_24V
R1003
10K
R1029
100
POWER_18_INV_CTL
PWM_DIM
R1031
0
POWER_18_A_DIM
0
R1017
POWER_24_PWM_DIM
P1002
FM20020-24
NORMAL_32
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
25
R1000
4.7K
R1071
10K
READY
R1039
0
POWER_23_GND
0
R1034
POWER_20_PWM_DIM
RL_ON
R1032
0
POWER_22_A_DIM
+3.5V_MULTI
R1040
4.7K
READY
R1046
1K
NON_LED_DRIVER
R1083
0
POWER_24_GND
A_DIM
P_12V
L1012
120-ohm
NON_ADAPTER_MAG
L1005
PANEL_5V_MAG
120-ohm
R1065-*1
10K
PANEL_5V
+5V_MULTI
ERROR_OUT_26INCH
R1099
100
ADAPTER_NON_LED_DRIVER
R1097
100
ADAPTER_NON_LED_DRIVER
INV_CTL_26INCH
0
R1098
ADAPTER_NON_LED_DRIVER
PWM_DIM_26INCH
P_24V_ADAPTER
IC1008
MP4460DQ-LF-Z
3
EN
2
SW_2
4
COMP
1
SW_1
5
FB
6
GND
7
FREQ
8
VIN_1
9
VIN_2
10
BST
11
EP_GND
C1094
1uF
50V
R1090
30K
1/10W
1%
R1077
200K
1/8W
1%
POWER_SW
C1012
0.01uF
50V
L1019
4.7uH
SP-7850_4.7
R1006
10K
C1091
0.1uF
50V
C1093
220pF 50V
R1037
22K
C1089
3.3uF
50V
L1016
MLB-201209-0120P-N2
ADAPTER_MAG
C1080
0.01uF
50V
ADAPTER_NON_LED_DRIVER
C1090
3.3uF
50V
C1087
0.1uF
50V
P_24V
+24V_LED_driver
C1084
0.01uF
50V
L1016-*1
CIS21J121
ADAPTER_SS
IC1009
MP8670DN-LF-Z
3
VCC
2
BST
4
BG
1
SW
5
GND
6
FB
7
EN/SYNC
8
IN
R1089
18K
C1097
10uF
25V
C1083
2.2uF
50V
P_12V
R1022
27K
D1001
MBRA340T3G
R1093
10K
R1056
22K
READY
JK1000
JPD003N-M432-4F
ADAPTER
GND
SW
24V
Q1009
SI4124DY-T1-GE3(VISHAY)
3
S_3
2
S_2
4
G
1
S_1
5
D_1
6
D_2
7
D_3
8
D_4
Q1008
AO3407A
G
D
S
C1085
0.01uF
50V
+3.5V_MST
R1096
0
READY
C1099
0.1uF
50V
RL_ON2
P_24V_ADAPTER
C1081
0.1uF
50V
R1082
100K
C1088
3.3uF
50V
R1080
1.6K
1%
R1088
0
C1073
0.1uF
50V
L1018
3.6uH
NR8040T3R6N
C1079
0.1uF
50V
ADAPTER_NON_LED_DRIVER
R1087
22
C1051
10uF
25V
R1079
6.8K
1%
+24V_AMP
PWM_DIM_26INCH
C1086
3.3uF
50V
RL_ON2
P_24V
R1059
120K
1%
P_24V
L1021
CPI2520NHL3R3ME
2520
3.3uH
C1074
2.2uF
50V
ERROR_OUT_26INCH
R1092
10K
READY
C1078
0.1uF
50V
ADAPTER
P1004
SM14B-SRSS-TB
ADAPTER_NON_LED_DRIVER
1
24V
2
24V
3
24V
4
24V
5
24V
6
GND
7
GND
8
GND
9
GND
10
GND
11
ERROR_OUT
12
INV_ON
13
NC
14
PWM_DIM
15
GND
P_24V
INV_CTL_26INCH
C1095
1uF 25V
R1086
68K
R1091
105K
1/10W
1%
Q1011
AO3407A
G
D
S
+24V_LED_driver
R1076
22
C1082
0.1uF
50V
RL_ON2
R1094
22K
C1092
0.1uF
50V
R1095
27K
L1004
120-ohm
NON_ADAPTER_MAG
0.1uF
C1057
16V
NON_ADAPTER
C1045
100uF
16V
NON_ADAPTER
0.1uF
C1011
16V
READY
0.1uF
C1076
16V
NON_ADAPTER
C1000
0.1uF
16V
READY
C1075
100uF
16V
NON_ADAPTER
C1058
0.1uF
50V
L1003
NON_ADAPTER_MAG
120-ohm
L1014
ADAPTER_MAG
120-ohm
L1003-*1
CIS21J121
NON_ADAPTER_SS
L1014-*1
CIS21J121
ADAPTER_SS
L1004-*1
CIS21J121
NON_ADAPTER_SS
L1012-*1
CIS21J121
NON_ADAPTER_SS
L1005-*1
CIS21J121
PANEL_5V_SS
L1006-*1
CIS21J121
PANEL_12V_SS
L1007-*1
CIS21J121
5A_BEAD_SS
L1013-*1
CIS21J121
5A_BEAD_SS
L1015-*1
CIS21J121
NON_ADAPTER_SS
L1015
NON_ADAPTER_MAG
120-ohm
+24V_AMP
C1046
68uF
35V
READY
R1001
4.7K
R1002
0
READY
R1004
100K
READY
RL_ON2
R1005
0
R1060
6.2K
R1038
1K
0
R1010
LED_DRIVER
PWM_DIM_LED_DRIVER
C2001
10uF
10V
READY
C1096
22uF
16V
C1098
22uF
16V
Q1000
MMBT3904(NXP)
E
B
C
Q1005
MMBT3904(NXP)
E
B
C
Q1010
MMBT3904(NXP)
E
B
C
Q1007
MMBT3904(NXP)
E
B
C
Q1001
MMBT3904(NXP)
E
B
C
Q1004
MMBT3904(NXP)
E
B
C
Q1006
MMBT3904(NXP)
NON_LED_DRIVER
E
B
C
C1009-*1
47uF
16V
CMI_TN
C1052-*1
10uF
16V
LIFE_2000H
 9   12
**5V_MULTI->3.3V->1.2V
**Switch 12V:P12V
**DC-DC CONVERTER
OUT:6.8V
*ST 3.5V->3.3V
OUT:1.27V
DDR2, Vref
V0 = 0.8*(1+(R2/R1))
MAX 2A
R1
R2
MAX 1A
V0 = 0.8*(1+(R1/R2))
V0 = 1.25*(1+(R2/R1))
R1
R2
OUT:1.85V
Close to Q1003
**DC-DC CONVERTER
V0 = 0.8*(1+(R1/R2))
*12V -> 5V_MULTI
**12V->TUNER 5V
closed IC1007
R2
3A
R1
R2
3A
R1
FROM LIPS & POWER B/D
[Pinmap for EEFL]
’11 ATV(H6R)
AO3407A Vgs : 10.8V(24V input)
Placed on SMD-TOP
+24V_LED Driver
$0.37
R1
+3.5V_MST
AO3407A Vgs : 10.8V
AO3407A Vgs : 8.3V(15V input)
Switching noise reducing [MPS recommend]
$0.21
close to IC1009
R2
close to pin
real output : 12.3V
+24V_AMP
+12V/+15V
**Switch 3.5V:3.5.V_MULTI
* Option block : ADAPTER
* Option block : ADAPTER
* Option block : ADAPTER
LP91U
EAX64049202
* Option block : ADAPTER
Close to AMP IC
GND
GND
ERR_OUT
INV_ON
18(12)
VBR-A
PWM_DIM
23
20(13)
16
22(14)
24(11)
NC
NC
ERR_OUT
PWM_DIM
GND
INV_ON
LIPS
CMI(PSU)
GND
NC
INV_ON
PWM_DIM
AUO(PSU)
ERR_OUT
NC
GND
PWM_DIM
NC
IPS(PSU)
ERR_OUT
INV_ON
NC
GND
PWM_DIM
VBR-A
LGD(PSU)
ERR_OUT
INV_ON
NC
PIN
GND
GND
16
PWM_DIM
GND
PIN
GND
22(14)
PWM_DIM
20(13)
NC
NC
AUO(PSU)
NC
NC
NC
IPS(PSU)
ERR_OUT
NC
ERR_OUT
[Pinmap for Edge LED]
INV_ON
PWM_DIM
PWM_DIM
INV_ON
CMI(PSU)
NC
LGD(PSU)
ERR_OUT
NC
NC
PWM_DIM
INV_ON
ERR_OUT
ERR_OUT
18(12)
INV_ON
NC
NC
23
LPB
INV_ON
24(11)
LGD
OS
’11 PSU
’11 PSU
’11 PSU
X
’1O LIPS
’1O LIPS
’1O LIPS
32"
37"
42"
47"
’11 PSU
OS
LGD
’11 PSU
’11 PSU
’11 LPB
’11 LPB
42"
37"
32"
47"
[Power for EEFL]
[Power for LED]
Placed on SMD-TOP
0CZZB00110A : 22uF 20% 10V X7R 3216
EAE58111001 : 22uF 20% 16V X5R 3216
EAE62281601 : 22uF 20% 10V X5R 2012
22LV2130-TD Must be applied 2000H
REASON : CAP LIFE for CST TEST
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