LG 32LG80UR (CHASSIS:LP81G) 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.
MADR[4]
0.1uF
C903
MADR[1]
MADR[11]
MADR[9]
SBA0
MADR[2]
150
READY
R903
LDQM
CKE
MADR[2]
MADR[3]
MDATA[0-15]
MADR[9]
MCLK
MADR[7]
MADR[5]
1000pF
C907
MADR[6]
0.1uF
C904
+2.5V_VDDM_MST
0.1uF
C906
0.1uF
C909
WEZ
+2.5V_VDDM_MST
UDQM
0.1uF
C905
MADR[0]
CASZ
DQS1
1K
R906
MADR[3]
MADR[0-11]
MADR[4]
MADR[8]
150
R905
READY
MADR[0]
MADR[1]
1K
R909
MCLKZ
0.1uF
C901
SBA1
MADR[8]
MADR[6]
DQS0
RASZ
0.1uF
C908
MADR[11]
MADR[10]
MADR[7]
0.1uF
C902
MADR[5]
MADR[10]
0.1uF
C900
1/16W
56
AR903
1/16W
56
AR902
1/16W
56
AR901
1/16W
56
AR900
HYB25DC256163CE-4
IC900
26
BA0
27
BA1
28
A10/AP
29
A0
30
A1
31
A2
32
A3
33
VDD_3
34
VSS_1
35
A4
36
A5
37
A6
38
A7
39
A8
40
A9
41
A11
42
A12/NC_5
43
NC_6
44
CKE
45
CK
46
CK
47
UDM
48
VSS_2
49
VREF
50
NC_7
17
A13/NC_2
3
VDDQ_1
6
VSSQ_1
16
LDQS
15
VDDQ_3
14
NC_1
13
DQ7
12
VSSQ_2
11
DQ6
10
DQ5
9
VDDQ_2
8
DQ4
7
DQ3
4
DQ1
5
DQ2
25
NC_4
24
CS
23
RAS
2
DQ0
22
CAS
21
WE
1
VDD_1
20
LDM
19
NC_3
18
VDD_2
51
UDQS
52
VSSQ_3
53
NC_8
54
DQ8
55
VDDQ_4
56
DQ9
57
DQ10
58
VSSQ_4
59
DQ11
60
DQ12
61
VDDQ_5
62
DQ13
63
DQ14
64
VSSQ_5
65
DQ15
66
VSS_3
MDATA[12]
MADR[4]
MADR[4]
MDATA[11]
MADR[0-11]
MADR[9]
MADR[8]
MADR[11]
MADR[11]
MADR[2]
MDATA[0-15]
MDATA[0-15]
MDATA[1]
MDATA[2]
MDATA[14]
MDATA[0]
MADR[5]
MADR[0]
MADR[6]
MADR[0]
MADR[8]
MADR[10]
MADR[7]
MADR[7]
MADR[10]
MADR[9]
MADR[3]
MDATA[15]
MDATA[5]
MDATA[7]
MDATA[10]
MADR[1]
MADR[6]
MDATA[9]
MDATA[6]
MADR[5]
MADR[1]
MADR[2]
MADR[3]
MDATA[3]
MDATA[4]
MDATA[8]
MDATA[13]
#9.DDR
H5 LG80
DDR
9 11
**MULTI ITEM
SUB - HYNIX : EAN31729202
MAIN - QIMONDA : EAN41788501
EAX50659401
MSTAR LP81G
2008/02/20
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.
TCA0372DM2ELG
IC1002
For 42LG80
3
OUT_A
2
NC1
4
VCC
1
VEE/GND1
6
NC2
5
OUT_B
7
NC3
8
VEE/GND2
9
VEE/GND3
10
NC4
11
IN_B-
12
IN_B+
13
IN_A+
14
IN_A-
15
NC5
16
VEE/GND4
MOTOR_CW
MOTOR_CC
W
+12V_Motor
15K
R1010
15K
R1000
+3.3V_MST
4.7K
R1011
4.7K
R1007
10K
R1002
10K
R1001
0.1uF
50V
C1016
15K
R1021
15K
R1022
TCA0372DM2ELG
IC1000
For 42LG80
3
OUT_A
2
NC1
4
VCC
1
VEE/GND1
6
NC2
5
OUT_B
7
NC3
8
VEE/GND2
9
VEE/GND3
10
NC4
11
IN_B-
12
IN_B+
13
IN_A+
14
IN_A-
15
NC5
16
VEE/GND4
10K
R1024
+12V_Motor
10K
R1023
0.1uF
50V
C1019
100
R1009
Motor_R_Close_SW
+3.3V_MST
100
R1006
10K
R1005
Motor_R_Open_SW
Motor_L_Open_SW
100
R1017
10K
R1016
Motor_L_Close_SW
100
R1018
+3.3V_MST
10K
R1014
10K
R1008
UBW2012-121F
120OHM
L1001
UBW2012-121F
120OHM
L1002
+12V_Motor
+12V
UBW2012-121F
L1003
UBW2012-121F
L1004
READY
+3.3V_MST
+1.8V
1/10W
3.3K
5%
R1034
READY
JP1
JP2
JP3
JP4
JP5
JP6
JP7
JP8
JP9
JP10
0.1uF
50V
C1026
0.1uF
50V
C1027
0.1uF
50V
C1028
0.1uF
50V
C1029
0.1uF
50V
C1030
0.1uF
50V
C1031
0.1uF
50V
C1032
100
R1003
100
R1004
2.2uF
C1015
2.2uF
C1014
0.1uF
50V
C1021
0.1uF
50V
C1022
0.1uF
50V
C1023
0.1uF
50V
C1024
UBW2012-121F
L1005
UBW2012-121F
L1006
UBW2012-121F
L1007
UBW2012-121F
L1008
1
R1041
1
R1040
1
R1039
1
R1042
1
R1037
1
R1035
1
R1036
1
R1038
10uF
25V
C1033
10uF
25V
C1034
2.7
R1045
R1045
2.7
R1044
R1044
2.7
R1043
R1043
2.7
R1046
R1046
0.1uF
50V
C1025
CDS3C30GTH
30V
D1
CDS3C30GTH
30V
D2
CDS3C30GTH
30V
D3
CDS3C30GTH
30V
D4
10K
R1033
R1033
10K
R1047
MIC2514YM5
IC1003
For 42LG80
3
IN
2
GND
4
OUT
1
CTL
5
NC
BM05B-GHS
P1001
For 42LG80
1
2
3
4
5
6
BM06B-GHS
P1000
For 42LG80
1
2
3
4
5
6
7
H5 LG80
Motor Driver
10 11
EAX50659401
MSTAR LP81G
2008/06/06
MOTOR_R+
MOTOR_R-
MOTOR_L+
MOTOR_L-
R_CLOSE
R_OPEN
L_OPEN
L_CLOSE
STAND-BY POWER
M
ULTI
JST ST Locking
JST ST Locking
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.
0.1uF
C1135
22uH
L1101
AZ1117H-ADJTRE1(EH11A)
IC1104
2
OUTPUT
3
INPUT
1
ADJ/GND
2.7K
R1126
READY
PANEL_STATUS
AZ1117H-ADJTRE1(EH11A)
IC1101
2
OUTPUT
3
INPUT
1
ADJ/GND
DCDC_7.22V_PIP
22K
R1130
P_12V
402
1%
R1144
7.5K
R1120
1.2K
R1190
+1.2V_VDDC_MST
0.1uF
C1102
MP2355DN-LF-Z
IC1102
3
VIN
2
BST
4
LX
1
SS
5
GND
6
FB
7
COMP
8
RUN
+5V_MULTI
110
1%
R1123
0.1uF
C1101
10K
R1189
P_5V
47uF
25V
C1137
0.1uF
C1140
P_16V
10K
R1135
P_5V
AC_RST
0
R1125
P_5V
10uF 16V
C1107
0.01uF
C1103
RL_ON
10K
R1133
10K
R1134
2.2uF 25V
C1125
DC_DIM
+5V_MULTI
0
READY
R1191
+2.5V_VDDM_MST
3.3K
1%
R1166
+5V_ST
365
1%
R1137
0.1uF
C1115
0.1uF
C1136
0
R1132
100uF
16V
C1110
AZ1117H-ADJTRE1(EH11A)
IC1103
2
OUTPUT
3
INPUT
1
ADJ/GND
+5V_ST
12K
R1110
100uF
16V
C1105
0.01uF
C1144
+12V
4.7K
R1122
NOT SHARP 32&52",AUO
P_12V
220uF
16V
C1138
0.1uF
C1142
100uF 16V
C1149
0
R1115
SC4215ISTRT
IC1100
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
P_5V
59K
R1111
1uF
C1124
1uF
25
V
C1126
330
1%
R1124
+5V_ST
100uF
16V
C1109
PANEL_ON
+5VST_MST
220uF
16V
C1100
100uF
16V
C1119
+5V_ST
0.1uF
C1139
+12V
0
READY
R1188
I_DIMMING
DISP_EN
P_16V
10K
R1128
51
5%
R1165
0.01uF
C1150
RL_ON
100uF
16V
C1118
AC_DET
SAM2333
D1106
+5V_MULTI
100uF
16V
C1128
0.1uF
C1111
0.01uF
C1106
47
R1102
1.6K
R1131
2.2uF
25V
C1116
+5VST_MST
0.1uF
C1148
4.7K
R1138
0.47uF
C1121
E_DIMMING
2700pF 50V
C1113
MBRS190T3G
90V
D1103
+5V_TUNER
0.47uF
C1114
NOT SHARP 52",AUO
P_16V
0.01uF
C1108
+5V_ST
10K
R1129
0.01uF
C1146
100uF
16V
C1141
1K
R1192
0.1uF
C1112
+3.3V_MST
P_12V
10K
R1184
MBW3216-501TF
L1100
+16V_NTP
RT1C3904-T112
Q1100
E
B
C
2SC3875S
Q1102
1
2
3
RT1C3904-T112
Q1107
E
B
C
RT1C3904-T112
Q1106
E
B
C
SMAW200-24C
P1100
19
Power ON
14
GND
9
5V
4
GND
18
ACD
13
GND
8
GND
3
GND
17
Error out
12
5V
7
GND
2
16V
16
AGND
11
5V
6
12V
1
16V
20
Inverter ON
15
GND
10
5V
5
12V
21
A.Dim
22
PWM Dim
23
Select
24
SYNC
MBR230LSFT1G
30V
D1100
5.6K
R1107
18K
R1106
33K
R1140
33K
R1141
2.2K
R1152
2.2K
R1154
2.2K
R1153
330
1%
R1194
USB
100uF
16V
C1151
USB
+5V_USB
AZ1117H-ADJTRE1(EH11A)
IC1107
USB
2
OUTPUT
3
INPUT
1
ADJ/GND
0.1uF
C1120
USB
110
1%
R1195
USB
1/10W
100
5%
R1139-*1
PWM_DIM
1/10W
1K
5%
R1139
DC_DIM
0
R1163
S2A
D1102
50V
10uF
C1152
4.7uF
C1117
10K
READY
R1196
0
SHARP 52",AUO
R1197
0
CMO 32,42,47
R1185
0
NOT (CMO 32,42,47,57, SHARP 32")
R1183
0
CMO 57"
R1187
0
C
MO 57"
R1186
0
NOT CMO 57"
R1127
0
CMO 32,42,47,57
R1155
+5V_MULTI
0
R1105
0
NOT CMO 32,42,47,57
R1104
0
CMO 32,42,47,57
R1103
0.1uF
C1154
100uF
16V
C1153
+5V_MULTI
MBW3216-501TF
L1103
USB
0.1uF
C1130
USB
+3.3V_USB
22uF
16V
C1129
USB
+3.3V_SDRAM
0.1uF
C1156
+3.3V
10uF
16V
C1133
TW9910 block
0.1uF
C1131
0.1uF
C1147
47uF
16V
C1145
0.01uF
C1132
0
R1149
+3.3V_MULTI_MST
47uF
16V
C1155
+1.8V
+12V
P_5V
EAM38769505
UBW2012-121F
L1104
120OHM
READY
L1108
EAM38769505
UBW2012-121F
L1105
L1107
UBW2012-121F
MBW3216-501TF
L1109
UBW2012-121F
120OHM
32 Sharp
L1110
UBW2012-121F
120OHM
NOT 32 Sharp
L1111
P_5V
VCC_LCD
AZ1117H-3.3
IC1105
2
OUTPUT
3
INPUT
1
ADJ/GND
AZ1117H-3.3
IC1108
2
OUTPUT
3
INPUT
1
ADJ/GND
0
5%
R1168
0
5%
R1170
OPT
R1167
READY
OPT
R1169
READY
AZ1117H-1.8TRE1(EH13A)
IC1106
2
OUTPUT
3
INPUT
1
ADJ/GND
OPT
R1150
READY
0
5%
R1151
0.1uF
C1122
0.1uF
C1123
UBW2012-121F
EAM38769505
L1106
UBW2012-121F
EAM38769505
L1112
22uF 16V
C1104
0.01uF
50V
C1157
SI4925BDY
EBK32753101
Q1101
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
+5VST_MST
+5V_USB
+12V
11 11
EAX50659401
POWER
MSTAR LP81G
H5 LG80
OUT:2.6V
(8)
110mA
LED Block
12V->5V_TUNER
DC-DC CONVERTER
ST 5V->3.3V->1.2V
R1
SWITCH VCC_LCD:12V or 5V
OUT:1.25V
R2
equal to 220uF pad size
5V:5V_PULLUP,5V_MULTI
OUT:UNDER 7.22V
SWITCH 5V->3.3V->1.8V
20mA
SWITCH 5V->DDR 2.5V
MAX 1A
MAX 1A
MAX 1A
R2
R1
R1
R1
R2
R2
V0 = 0.8(R1+R2) / R2
*Applied to SIF,HDMI,ADC,MPLL,AUD
*3.3V_NTP,TW9910,ETC.
*NTP.USB,TW9910
*12V AUDIO and PANEL
*SHARP 32" : DC DIMMING
R1122
Sharp 52"
AUO
X
4.7K
O
R1197
CMO 32/42/47
O
O
CMO 57"
X
X
C1114
X
R1127
X
X
O
O
O
O
X
4.7K
4.7K
0.47uF
X
0.47uF
0.47uF
X
R1183
O
O
X
O
R1155
O
X
X
X
X
X
X
R1185
O
R1103
O
O
X
R1186
O
X
X
X
X
X
X
R1187
O
X
X
X
X
X
O
X
X
O
O
R1104
*
PANEL OPTION
X
Sharp 32"
X
X
X
X
X
O
XX
X
X
2008/02/20
the Rest(w/CMO26")
Jul., 2008
P/NO : MFL42305406