LG 42PJ350, Руководство по обслуживанию

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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.
FE_TS_DATA[5]
FE_TS_DATA[0]
FE_TS_DATA[1]
FE_TS_DATA[2]
FE_TS_DATA[7]
FE_TS_DATA[6]
FE_TS_DATA[4]
FE_TS_DATA[3]
GND
+3.3V_TU
FE_TS_VAL_ERR
IC1100
NL17SZ08DFT2G
3
GND
2
IN_A
4
OUT_Y
1
IN_B
5
VCC
FE_TS_ERR
FE_TS_VAL
CVBS_SCART_OUT
C_+3.3V
R1102 47
SDA1
C1102
0.1uF
16V
C1103
50V
READY
6.8pF
TUNER_SIF
C1107
0.1uF
50V
+1.8V_TU
C1109 0.1uF
A_1.2V
C1113
18pF
50V
READY
D_3.3V
+3.3V_TU
2SC3052
Q1107
C
1
1
1
5
1
0
0
0
p
F
C
1
1
1
6
0
.
1
u
F
+5V
/FE_RESET
C1119
0.1uF
C1120 56pF
C1121
0.1uF
P_17V
C1122
100uF
16V
R1107
6.8K
R1108
100
R1109 47
C
1
1
2
4
0
.
1
u
F
D_3.3V
R1111
47
C1126 39pF
R1112
680
+1.8V_TU
+3.3V_TU
TU_RESET
+3.3V_TU
XC5000_RESET
R1114
100
R1115 47
C1134 1000pF
R1116
4.7K
READY
IF_AGC
+3.3V_TU
A_3.3V
R1121 47
CVBS_SCART_OUT
FE_TS_CLK
A_1.2V
FE_TS_DATA[0-7]
FE_TS_SERIAL
FE_TS_ERR
R1126
47
R1127
10
C1139 0.1uF
C1140 0.1uF
C_+3.3V
C1141
0.1uF
16V
IC1102
AZ1117H-1.2TRE1
ADJ/GND
OUT IN
FE_VOUT
+1.8V_TU
Q1104
1
2
3
R1129
47
+3.3V_TU
Q1105
2SC3052
E
B
C
FE_TS_VAL
R1132
47
C1146
120pF
C1147
0.1uF
16V
C
1
1
4
8
0
.
1
u
F
TU_RESET
C1150
0.1uF
50V
R1135
680
R1136
100
+1.8V_TU
SC1_VIDEO_MUTE
C
1
1
5
6
0
.
1
u
F
+3.3V_TU
C1158 0.1uF
C1159
0.1uF
R1140 47
C_+3.3V
R1142
10
READY
+1.2V
R1143
47
SCL1
+3.3V_TU
R1144 47
/FE_RESET
X1101
20.25MHz
C1160 1000pF
50V
+3.3V_TU
C1164
0.1uF
16V
C1165 0.1uF
R1148 47
SCL1
C_+3.3V
FE_TS_SYN
+1.2V
A_3.3V
C1167
0.1uF
SDA1
+3.3V_TU
C_+3.3V
TUNER_IF_P
C1170
47uF
16V
C1171 0.1uF
C1172 1000pF 50V
C1175
18pF
50V
READY
C1176
0.1uF
16V
IF_AGC
+1.2V
R1152
4.99K
1%
+5V
TUNER_IF_N
C1181
0.027uF
TUNER_CVBS
C
1
1
8
2
0
.
1
u
F
+5V
L1103
MLB-201209-0120P-N2
L1112
MLB-201209-0120P-N2
L1113
MLB-201209-0120P-N2
L1107
MLB-201209-0120P-N2
L1115
MLB-201209-0120P-N2
L1101
MLB-201209-0120P-N2
C1184
0.1uF
16V
R1157
390
+5V
TUNER_IF_P
R1159
390
+5V
TUNER_IF_N
C1183
0.1uF
16V
IC1104
XC5000
1
VDDA_1
2
IN1
3
GND_1
4
IN2
5
GND_2
6
EXTCHOKE
7
GND_3
8
VDDA_2
9
VDDA_3
10
VDDC_1
11
GND_4
12
VDDC_2
13
VDDC_3
14
VDDA_4
15
VAGC
16
VIF
17
VDDA_5
18
SIF
19
GND_5
20
VDDC_4
21
VDDA_6
22
GND_6
23
VDDD_1
24
TESTMODE
25
DDI1
26
VDDC_5
27
DDI2
28
ADDRSEL
29
X2
30
GND_7
31
X1
32
EXTREF
33
VDDD_2
34
SCL
35
SDA
36
GND_8
37
RESET
38
VI2C
39
VDDC_6
40
VREF_N
41
VREF_P
42
VDDC_7
43
VDDC_8
44
REXT
45
VDDA_7
46
GND_9
47
VDDC_9
48
VDDA_8
C
1
1
2
9
0
.
1
u
F
C1133
0.1uF
16V
C
1
1
1
7
0
.
1
u
F
R1130
1K
R1101
390
R1122
390
R1118
390
L1108
0603CS-R27XGLW
270nH
2%
L1116
0603CS-R39XGLW
390nH
2%
L1114
1008CS-821XGLC
2%
820nH
D1102
RCLAMP1521P
READY
Q1101
ISA1530AC1
E
B
C
Q1102
ISA1530AC1
E
B
C
Q1103
ISA1530AC1
E
B
C
Q1106
ISA1530AC1
E
B
C
Q1108
ISA1530AC1
E
B
C
Q1109
ISA1530AC1
E
B
C
X1102
31.875MHz
L1111
0603CS-6N8XGLW
6.8nH
2%
L1105
MLF1608A2R7J
2.7uH 5%
L1110
MLF1608A2R7J
2.7uH 5%
C1111
10uF
16V
READY
R1137
390
R1145
390
D1101 RCLAMP0502B
C1
A
C2
Q1110
2SC3052
READY
E
B
C
R1164
330
READY
R1163 330 READY
L1118
L1117
R1165 0
+3.3V_TU
C1188
100uF
16V
C1105
10uF
6.3V
C1152
18pF
50V C1131
18pF
50V
IC1103
DRX3913K-XK
1
I2S_WS
2
VDDL_1
3
VSSL_1
4
GPIO1
5
MSTRT
6
MERR
7
VSSH_1
8
VDDH_1
9
MCLK
10
MVAL
11
MD0
12
MD1
13
MD2
14
MD3
15
VSSL_2
16
VDDL_2
17
VSSH_2
18
VDDH_2
19
MD4
20
MD5
21
MD6
22
MD7
23
I2C_SCL1
24
I2C_SDA1
25
VSSH_3
26
VDDH_3
27
VDDL_3
28
VSSL_3
29
VSYNC
30
GPIO2
31
SAW_SW
32
RSTN
33 RF_AGC
34 IF_AGC
35
VSSAL_AFE1
36
VDDAL_AFE1
37
VDDAH_AFE1
38 VSSAH_AFE1
39
INN
40
INP
41
VSSAH_CVBS
42 VDDAH_CVBS
43 CVBS
44
SIF
45
VSSAL_AFE2
46 VDDAL_AFE2
47 PDP
48
PDN
49
XI
50
XO
51
VSSAH_OSC
52
VDDAH_OSC
53
VDDH_4
54
VSSH_4
55
VSSL_4
56
VDDL_4
57
TDO
58
TMS
59
TCK
60
TDI
61
I2C_SDA2
62
I2C_SCL2
63
I2S_CL
64
I2S_DA
C1173
18pF
C1108
18pF
C1123
15pF
50V C1162
15pF
50V
C1104
50V
6.8pF
C1161
50V
6.8pF
R1110
47
R1103 47
R1155 100
R1150
100
R1141
180
R1154
470
R1151
15K
R1153 1K
R1138 1K
R1131
2K
R1123 4.7K
R1128
4.7K
READY
R1139
4.7K
READY
C1151
0.1uF
C1166
0.1uF
16V
C1137
0.1uF
16V
C1144
0.1uF
16V
C1136
0.1uF
16V
C1130
0.1uF
16V
C1149
0.1uF
16V
C1143
0.1uF
16V
C1142
0.1uF
16V
C1132
0.1uF
16V
C1168
0.1uF
16V
C1185
0.1uF
16V
C1145
0.1uF
16V
C1179
0.1uF
16V
C1101
0.1uF
16V
C1187
0.1uF
16V
C1125
0.1uF
16V
C1110
0.1uF
16V
C1114
0.1uF
16V
C1112
0.1uF
16V
C1153
0.1uF
16V
C
1
1
6
3
0
.
1
u
F
C1106
0.1uF
16V
C1186
0.1uF
16V
C
1
1
6
9
0
.
1
u
F
C
1
1
1
8
0
.
1
u
F
C1177
0.1uF
16V
C1174
0.1uF
16V
R1133
47K
C1180
68uF
10V
READY
JK1101
KCN-ET-5-0094
TUNER_SHIELD
1
2
R1166 0
R1173 0
R1167 0
R1168 0
R1169 0
R1170 0
R1171 0
R1172 0
R1177 0
R1180 0
R1174 0
R1178 0
R1181 0
R1179 0
R1176 0
R1175 0
C1138
0.1uF
50V C1157
0.1uF
50V
C1178
10uF
25V
R1184 0
R1182 0
R1185 0
R1183 0
DVB-CI DETECT
TUNER
10 10
MSD3368EV Platform
: ACTIVE LOW (SOFT RESET)
Place the Buffer close to Tuner
(SC1_TV_VOUT_MUTE GPIO OPTION)
(TUNER RESET GPIO OPTION)
[SCART1 TV VOUT]
TUNER RESET
To separate chassis ground
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only