LG 32LG30R Service Manual page 31
Lg 32lg30r lcd tv service manual
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- Service manual (24 pages) ,
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EAX40043807
MSTAR LP81A
*PANEL OPTION
R1197
R1122
C1114
R1127
R1183
R1155
R1103
S h a r p 5 2 "
O
X
X
O
O
X
AUO
O
X
X
O
O
X
CMO 32/42/47
4.7K
O
X
O
X
0.47uF
CMO 57"
X
X
X
4.7K
0.47uF
O
S h a r p 3 2 "
X
X
X
X
X
X
O
t h e r e s t
X
O
X
4.7K
0.47uF
NOT CMO 57"
PANEL_STATUS
R1127
0
NOT SHARP 52",AUO
I_DIMMING
IC1100
SC4215ISTRT
NC_1
1
EN
2
D1102
S2A
50V
VIN
+5VST_MST
3
+5VST_MST
NC_2
C1117
4
C1102
4.7uF
0.1uF
DCDC_7.22V_PIP
DC-DC CONVERTER
e q u a l t o 2 2 0 u F p a d s i z e
OUT:UNDER 7.22V
IC1102
MP2355DN-LF-Z
C1105
100uF
SS
1
R1102
47
BST
2
L1100
C1106
MBW3216-501TF
0 . 0 1 u F
VIN
3
L1101
C1103
22uH
LX
0 . 0 1 u F
4
C1100
C1101
220uF
0 . 1 u F
C1104
C1107
22uF
10uF
C1108
16V
D1100
16V
0 . 0 1 u F
MBR230LSFT1G
30V
12V->5V_TUNER
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.
16V
P_16V
GND
R1185
R1186
R1187
R1104
12V
P_12V
O
X
X
X
X
O
X
X
X
X
GND
O
X
X
X
O
X
O
O
X
O
5V
X
X
X
O
X
P_5V
X
X
X
O
X
5V
GND
NOT SHARP 32&52",AUO
GND
R1122
4.7K
R1197
E r r o r o u t
C1114
0
0.47uF
SHARP 52",AUO
Power ON
R1192
RL_ON
1K
A.Dim
NOT CMO, SHARP 32"
R1183
0
C1116
S e l e c t
2.2uF
25V
R1191
0
CMO
READY
R1155
0
V 0 = 0 . 8 ( R 1 + R 2 ) / R 2
R1115
GND
R2
8
0
+3.3V_MST
ADJ
R1
7
R1106
18K
VO
6
+3.3V_MULTI_MST
*Applied to SIF,HDMI,ADC,MPLL,AUD
NC_3
5
C1109
C1152
100uF 1 6V
IC1103
10uF
AZ1117H-ADJTRE1(EH11A)
D1103
MBRS190T3G
INPUT
ADJ/GND
3
1
90V
2
C1128
OUTPUT
100uF 1 6V
ST 5V->3.3V->1.2V
( 8 )
IC1104
AZ1117H-ADJTRE1(EH11A)
R1124
+5V_MULTI
330
INPUT
ADJ/GND
3
1
2
1%
OUTPUT
C1115
0 . 1 u F
R1111
R1123
59K
READY
C1112
110
RUN
0 . 1 u F
1%
8
L1109
COMP
7
MBW3216-501TF
FB
6
C1119
100uF
C1113
16V
GND
2700pF
5
50V
IC1107
AZ1117H-ADJTRE1(EH11A)
USB
R1194
R1110
R1120
USB
INPUT
ADJ/GND
USB
330
12K
7.5K
3
1
1%
2
R1195
OUTPUT
C1120
110
0 . 1 u F
1%
+5V_USB
USB
+5V_USB
C1151
100uF
16V
16V
1
2
P_16V
GND
3
4
12V
5
6
P_12V
GND
7
8
5V
9
10
P_5V
5V
11
12
GND
13
14
R1125
0
AGND
15
16
READY
ACD
17
18
Inverter ON
19
20
R1187
PWM Dim
21
22
CMO 57"
R1132
0
R1104
0
NOT CMO
SYNC
23
24
R1188
0
READY
P1100
SMAW200-24C
R1103
0
CMO
R1185
0
CMO 32,42,47
R1186
0
CMO 57"
SWITCH VCC_LCD:12V or 5V
5V:5V_PULLUP,5V_MULTI
PANEL_ON
R1165
51
5%
R1166
3.3K
1%
+1.2V_VDDC_MST
C1118
OUT:1.25V
100uF
RL_ON
L1108
120OHM
IC1101
AZ1117H-ADJTRE1(EH11A)
R2
+5V_TUNER
R1144
402
INPUT
ADJ/GND
+5V_MULTI
3
1
MAX 1A
110mA
2
1%
20mA
OUTPUT
R1137
R1
365
OUT:2.6V
1%
+2.5V_VDDM_MST
C1110
C1111
0 . 1 u F
100uF
16V
SWITCH 5V->DDR 2.5V
LED Block
+5V_ST
R1189
10K
AC_DET
+5V_ST
R1138
4.7K
AC_RST
C
R1133
10K
B
Q1106
RT1C3904-T112
C1121
0.47uF
E
+5V_ST
+5V_ST
R1129
R1184
10K
READY
10K
0
R1105
R1196
10K
3
0
R1135
10K
DISP_EN
Q1102
2
1
2SC3875S
DC_DIM
R1139
1K
E_DIMMING
1/10W
5%
DC_DIM
*SHARP 32" : DC DIMMING
C1125
2.2uF
25V
PWM_DIM
R1139-*1
100
1/10W
5%
P_5V
+12V
Q1101
C1126
SI4925DY
1uF 25V
0TF492509AA
R1141
33K
S1
1
8
C
R1134
10K
B
Q1100
G1
2
7
RT1C3904-T112
E
S2
3
6
P_5V
G2
4
5
C1124
1uF
R1131
1.6K
C
R1128
10K
B
Q1107
RT1C3904-T112
E
IC1105
AZ1117H-3.3
R2
R1168
0
INPUT
ADJ/GND
+5V_MULTI
3
1
MAX 1A
2
5%
OUTPUT
R1167
R1
OPT
C1153
C1154
100uF
0 . 1 u F
16V
IC1108
AZ1117H-3.3
R2
R1170
0
INPUT
ADJ/GND
3
MAX 1A
1
2
5%
OUTPUT
R1169
OPT
R1
C1156
C1155
47uF
0 . 1 u F
16V
SWITCH 5V->3.3V->1.8V
R1190
1.2K
L1106
UBW2012-121F
P_16V
EAM38769505
C1148
C1150
0.1uF
0.01uF
C1122
0.1uF
*12V AUDIO and PANEL
L1112
MBW3216-501TF
+12V
P_12V
C1137
EAM30764101
C1139
C1144
47uF25V
0.1uF
0.01uF
L1107
P_5V
C1138
C1140
C1146
UBW2012-121F
220uF
0.1uF
0.01uF
C1123
0.1uF
16V
R1163
0
VCC_LCD
L1104
D1_2
UBW2012-121F
EAM38769505
C1149
100uF
D1_1
R1152
R1153
R1154
C1136
16V
2.2K
2.2K
2.2K
0.1uF
D2_2
L1105
D2_1
UBW2012-121F
+5V_MULTI
EAM38769505
C1135
C1141
100uF
0.1uF
C1142
16V
0.1uF
L1103
C1129
C1130
USB
+3.3V_SDRAM
USB
USB
MBW3216-501TF
22uF
0.1uF
16V
+3.3V_USB
R1148
1
+3.3V_HDMI_SW
IC1106
AZ1117H-1.8TRE1(EH13A)
R1149
0
R1151
0
INPUT
ADJ/GND
3
1
C1131
C1132
5%
2
0.1uF
0.01uF
OUTPUT
R1150
OPT
C1145
C1147
*NTP.USB,TW9910
47uF
0.1uF
16V
+3.3V
*3.3V_NTP,TW9910,ETC.
C1133
10uF16V
TW9910 block
MSTAR
2 0 0 7 / 1 2 / 2 0
1 1
POWER
+16V_NTP
+12V
+5V_ST
+5VST_MST
P_5V
+1.8V
1 1
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