LG 42LG80FD (CHASSIS:LJ82C) 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.
C1219
0.01uF
+16V_NTP
C1243
0.47uF
50V
R1218
4.7K
TP1218
C1247
0.01uF
TP1231
C1217
0.1uF
L1207
C1246
0.01uF
TP1206
R1224
3.3
C1214
0.1uF
0.1uF
TP1203
+1.8V_DVDD
BCM3553_AUD_MCLK
1:H5;5:A6;5:C4
C1218
0.1uF
TP1236
IC1200
NTP3000A
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
VSS_IO
6
CLK_I
7
CLK_O
8
VDD_IO
9
DGNDPLL
10
AGNDPLL
11
LFM
12
AVDDPLL
13
DVDDPLL
14
NC_1
15
DVSS
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
PWM_3B/PWM_HP2
23
PWM_3A/PWM_HP1
24
PROTECT
25
FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC_2
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
TP1210
TP1232
R1208
3.3
TP1222
R1219
4.7K
C1211
33pF
R1220
4.7K
C1213
22000pF
TP1228
TP1220
R1200
3.3K
R1221
4.7K
C1
20
7
10
00
pF
R1225
3.3
TP1213
D1203
100V
1N4148W
AMP DIODE READY
L1206
+16V_NTP
C1245
0.01uF
R1222
3.3
C1244
0.01uF
C1241
0.1uF
50V
C1235
1000pF
C1203
100pF
100pF
READY
TP1227
TP1212
TP1211
R1201
100
C1236
1000pF
BCM3553_I2S_SCLK_OUT
5:A5;6:AJ16
C1240
0.1uF
50V
TP1238
L1202
R1205
22
L1204
DA-8580
2S
1S
1F
2F
C1237
1000pF
C1209
0.1uF
C1221
1uF
C1238
0.1uF
50V
C1220
1uF
C1216
22000pF
+16V_NTP
C1234
1000pF
C1202
10uF
TP1233
C1204
1000pF
MICOM_RESET
4:I3;5:A6;5:C3
+16V_NTP
C1206
0.1uF
TP1205
D1201
100V
1N4148W
AMP DIODE READY
TP1207
C1210
10uF
C1224
1uF
TP1208
TP1240
TP1202
C1223
22000pF
+1.8V_AVDD
C1201
10uF
TP1217
TP1230
TP1214
C1215
330uF
TP1201
L1209
R12070
C1212 1uF
C1239
0.1uF
50V
+1.8V_DVDD
TP1209
MUTE1
4:G1;5:A4
TP1235
TP1221
TP1219
C1200
0.1uF
R1216
4.7
1608
TP1223
TP1224
C1222
22000pF
R1210
4.7
1608
R1217
4.7 1608
C1208
0.1uF
R1223
3.3
TP1229
R1212
4.7
1608
R1211
4.7
1608
TP1237
R1215
4.7
1608
R1213
4.7
1608
TP1216
R1214
4.7 1608
BCM3553_I2S_LRCLK_OUT
5:A5;6:AJ16
L1208
+16V_NTP
D1200
100V
1N4148W
AMP DIODE READY
L1205
DA-8580
2S
1S
1F
2F
TP1234
TP1200
D1202
100V
1N4148W
AMP DIODE READY
BCM3553_I2S_DATA_OUT
5:A5;6:AJ16
TP1215
R1206
22
TP1225
TP1204
SCL2_3.3V
1:B2;1:I4;4:G6;5:A5
C1227
0.1uF
R1202
100
C1205
100pF
D3.3V
SDA2_3.3V
1:B2;1:I4;4:G6;5:A5
C1242
0.47uF
50V
C1225
0.1uF
TP1239
R1203
10K
R1204
0
READY
D3.3V
C1233
470pF
C1230
470pF
C1231
470pF
C1232
470pF
C1226
330uF
+16V_NTP
TP1245
TP1246
TP1247
TP1248
TP1249
TP1250
TP1251
TP1252
TP1253
TP1254
TP1255
TP1256
P1200
SMAW250-05
1
WF_SPK_L-
2
WF_SPK_L+
3
NC
4
WF_SPK_R-
5
WF_SPK_R+
0x56
MCLK : 12.288MHz
PWM_MOD/AMP
IIC CH4
WOOFER AMP
2008.04.04.
12
12
LJ82C
Woofer Amp
Dec., 2008
P/NO : MFL41896804
Dec., 2008
P/NO : MFL41896804
Dec., 2008
P/NO : MFL41896804