DOWNLOAD LG 42LX6500-SD (CHASSIS:LJ03R) Service Manual ↓ Size: 7.52 MB | Pages: 68 in PDF or view online for FREE

Model
42LX6500-SD (CHASSIS:LJ03R)
Pages
68
Size
7.52 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lx6500-sd-chassis-lj03r.pdf
Date

LG 42LX6500-SD (CHASSIS:LJ03R) Service Manual ▷ View online

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.
09.10
AMP_SUB_NTP
21    100
GP2_BCM_ATSC
R2151
0
AMP_RESET_N
L2102
BLM18PG121SN1D
+3.3V_NORMAL
SPK_Woofer-
C2130
22pF
50V
3AMP OPT
R2135
12
C2152
22000pF
50V
C2147
10uF
35V
R2157
3.3K
R2129
12
SPK2_R+
L2100
BLM18PG121SN1D
R2123
4.7K
R2119
0
3AMP OPT
C2103
0.1uF
16V
0.1uF
C2109
16V
R
2
1
6
0
1
0
0
C2117
1000pF
50V
+1.8V_AMP
R2156
0
C2155
0.01uF
50V
3AMP OPT
R2144
4.7K
C2134
22000pF
50V
C2159
390pF
50V
R2127
12
C2126
22pF
50V
3AMP OPT
+24V_AMP
0.01uF
C2173
50V
3AMP OPT
C2115
1000pF
50V
SPK_Woofer+
D2102
100V
1N4148W
3AMP OPT
AUD_MASTER_CLK
R2122
3.3
3AMP OPT
C2165
0.47uF
50V
R2107
100
C2150
1uF
25V
D2101
100V
1N4148W
3AMP OPT
L2107
AD-9060
15uH
2S
1S
1F
2F
C2160
390pF
50V
SPK2_L+
C2151
22000pF
50V
R2136
12
0.1uF
C2119
L2106
AD-9060
15uH
2S
1S
1F
2F
C2163
390pF
50V
C2161
390pF
50V
R2100
56
POWER_DET
R2118
100
SPK2_R-
SPK2_L-
C2128
1uF
25V
AMP_MUTE1
R2161
10K
C2145
1uF
25V
R
2
1
2
5
1
0
0
3AMP OPT
R2103
100
C2108
100pF
50V
D2104
100V
1N4148W
3AMP OPT
0.1uF
C2154
50V
C2158
390pF
50V
0.1uF
C2132
16V
L2108
AD-9060
15uH
2S
1S
1F
2F
R2101
100
+24V_AMP
R2147
3.3
3AMP OPT
SCL2_3.3V
SPK2_L-
SDA2_3.3V
L2101
BLM18PG121SN1D
R2132
12
0.1uF
C2169
50V
R2111
56
AUD_SCK
R2133
12
R2109
100
R2149
3.3
3AMP OPT
C2125
10uF
10V
3AMP OPT
C2140
1uF
25V
AUD_SCK
R2152
0
AUD_LRCH
C2157
10uF
35V
R2131
12
+1.8V_AMP
0.1uF
C2172
50V
P2100
FW25001-02(SPK 2P) 
1
2
R2102
100
0.01uF
C2176
50V
3AMP OPT
P2101
WAFER-ANGLE
1
2
3
4
IC2100
NTP-7000
EAN60969601
DEV
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
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
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
57
EP_PAD
C2135
22000pF
50V
C2122
22pF
50V
3AMP OPT
L2103
BLM18PG121SN1D
C2166
0.47uF
50V
C2148
1uF
25V
0.01uF
C2177
50V
3AMP OPT
R2155
0
C2162
390pF
50V
R2143
4.7K
C2144
1uF
25V
R2121
3.3
3AMP OPT
R2140
4.7K
D2100
100V
1N4148W
3AMP OPT
0.1uF
C2167
50V
C2146
10uF
35V
R2110
100
C2164
0.47uF
50V
C2143
22000pF
50V
C2141
1uF
25V
R2139
4.7K
+1.8V_AMP
R2146
3.3
3AMP OPT
AUD_LRCK
AMP_MUTE1
C2116
33pF
50V
SDA2_3.3V
+24V_AMP
C2123
22pF
50V
3AMP OPT
0.1uF
C2118
R2158
3.3K
C2121
33pF
50V
0.1uF
C2133
16V
R2138
12
R2105
100
C2101
10uF
10V
3AMP OPT
IC2101
NTP-7000
EAN60969601
DEV
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
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
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
57
EP_PAD
R2142
4.7K
R2120
100
+1.8V_AMP
C2142
22000pF
50V
AUD_LRCH
C2113
100pF
SPK2_R+
C2124
22pF
50V
3AMP OPT
SCL2_3.3V
AUD_MASTER_CLK
R2154
0
0.1uF
C2168
50V
C2100
10uF
10V
3AMP OPT
D2105
100V
1N4148W
3AMP OPT
POWER_DET
R
2
1
5
9
1
0
0
C2105
10uF
10V
3AMP OPT
+3.3V_NORMAL
SPK_Woofer-
R2124
4.7K
0.01uF
C2174
50V
3AMP OPT
C2104
10uF
10V
3AMP OPT
C2149
22000pF
50V
0.1uF
C2107
16V
C2138
1000pF
50V
R2141
4.7K
C2127
10uF
10V
3AMP OPT
R2106
100
C2156
0.01uF
50V
3AMP OPT
L2105
BLM18PG121SN1D
+1.8V_AMP
C2139
1000pF
50V
0.1uF
C2170
50V
SPK2_R-
C2112
1000pF
50V
C2102
0.1uF
16V
C2110
100pF
R2104
100
0.1uF
C2137
50V
C2106
100pF
50V
R2150
3.3
3AMP OPT
R2145
3.3
3AMP OPT
+24V_AMP
R2134
12
C2114
33pF
50V
L2104
BLM18PG121SN1D
SPK_Woofer+
D2103
100V
1N4148W
3AMP OPT
R2153
0
0.1uF
C2136
50V
R2128
12
C2131
22pF
50V
3AMP OPT
C2129
1uF
25V
R2162
0
3AMP OPT
R
2
1
2
6
1
0
0
3AMP OPT
SPK2_L+
C2153
22000pF
50V
R2148
3.3
3AMP OPT
0.1uF
C2171
50V
+1.8V_AMP
R2137
12
AMP_RESET_N
R2130
12
0.01uF
C2178
50V
3AMP OPT
C2111
1000pF
50V
R2108
100
0.01uF
C2175
50V
3AMP OPT
C2120
33pF
50V
AUD_LRCK
Woofer AMP.
Development Item(Slim Depth)
 Sub AMP.
SPEAKER2_L
SPEAKER2_R
Woofer
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.
GP2_BCM_ATSC
09/10/xx
LG_LOGO_LE9500
22    100
Q2200
2SC3052
E
B
C
+3.5V_ST
R2200
100
R2229
0
1/10W
+5V_NORMAL
LED_B/LG_LOGO
R2228
33
1/10W
OPT
P2200
12507WR-04L
1
2
3
4
5
D2200
5.6V
CDS3C05HDMI1
OPT
LG LOGO FOR LE9500
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.
+3.3V_TU
IF_AGC_SEL
Q2601
ISA1530AC1
E
B
C
R2604
0
INT_DEMOD
TU_SIF
R2602
0
R2623
10K
C2600
100pF
50V
R2608
10K
OPT
C2605
100pF
50V
R2621
10K
C2607
0.1uF
16V
LNA2_CTL/BOSTER_CTL
C2610
0.1uF
16V
R2606
100
Q2602
ISA1530AC1
E
B
C
R2622
4.7K
R2615
0
R2600
0
OPT
R2612
100
NIM
TU_CVBS
C2603
0.1uF
16V
+5V_TU
IF_P_EXT
C2608
0.1uF
16V
OPT
R2611
100
NIM
C2606
0.1uF
16V
C2602
0.1uF
16V
R2616
200
R2605
0
TUNER_RESET
SCL0_3.3V
+5V_TU
Q2600
2SC3052
OPT
E
B
C
SDA0_3.3V
C2604
100pF
50V
IF_AGC
R2626
82
R2601
0
C2609
10uF
10V
OPT
C2613
0.01uF
25V
R2607
100K
+1.2V_TU
+5V_TU
Q2604
2SC3052
E
B
C
+5V_TU
L2600
BLM18PG121SN1D
R2613
0
Q2605
ISA1530AC1
E
B
C
IF_N_EXT
TU_IF_N_BCM
C2601
0.1uF
16V
+3.3V_TU
R2625
470
TU_IF_P_BCM
R2619
200
R2603
0
INT_DEMOD
R2614
1K
OPT
RF_SWITCH_CTL
R2618
2.2K
C2622
0.1uF
16V
+3.3V_TU
C2626
22uF
10V
C2620
0.1uF
16V
C2625
22uF
10V
+3.3V_NORMAL
L2603
BLM18PG121SN1D
+5V_TU
C2623
0.1uF
16V
C2624
22uF
10V
C2621
0.1uF
16V
+5V_NORMAL
L2604
CIC21J501NE
R2641
510
R2632
3.9K
1/16W
5%
TU_IF_N_1
R2624
3.9K
1/16W
5%
R2642
510
OPT
R2633
2K
1/16W
5%
TU_IF_AGC_2
TU_IF_P_1
C2629
0.01uF
OPT
A3.3V
R2638
220
1/16W
5%
TU_IF_N_BCM
C2631
0.01uF
TU_IF_AGC_BCM
C2632
0.01uF
+5V_NORMAL
TU_IF_P_BCM
C2627 0.01uF
TU_IF_AGC_1
C2614
0.1uF
16V
+1.2V_TU
C2615
10uF
10V
R2627
1.2K
IC2600
AZ1117H-ADJTRE1(EH11A)
2
OUTPUT
3
INPUT
1
ADJ/GND
GND
R2628
10
C2616
0.1uF
16V
R2629
1
+3.3V_TU
C2633
0.1uF
16V
TU2600
TDTR-T055F
Taiwan/Brazil_V
14
+B3[3.3V]
13
+B2[1.2V]
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1[N]
9
SIF
8
NC(IF_TP)
3
+B[5V]
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2[P]
19
SHIELD
TU2600-*3
TDTJ-S031D
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU2600-*4
TDTJ-S001D
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC[IF_TP]
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
R2643
1K
OPT
R2644
0
OPT
TU2600-*5
TDTR-T035F
Taiwan/Brazil_H
14
+B3[3.3V]
13
+B2[1.2V]
5
NC_2
12
GND
11
VIDEO
2
BST_CTL
10
NC_4
4
NC_1[RF_AGC]
1
RF_S/W_CTL
17
DIF_1[N]
9
SIF
8
NC_3
3
+B1[5V]
16
IF/AGC
7
SDAT
6
SCLT
15
RESET
18
DIF_2[P]
19
SHIELD
TU2600-*1
TDVJ-H031F
Latin_Tuner_V
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
TU2600-*2
TDVJ-H001F
Latin_Tuner_H
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC(IF_TP)
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
L2605
BLM18PG121SN1D
C2634
10uF
10V
C2635
10uF
10V
C2636
22uF
10V
C2637
0.1uF
16V
C2638
20pF
50V
TUNER_I2C_LPF
C2639
20pF
50V
TUNER_I2C_LPF
L2609
TUNER_I2C_LPF
270nH
L2610
TUNER_I2C_LPF
270nH
L2609-*1
33
NON_TUNER_I2C_LPF
L2610-*1
33
NON_TUNER_I2C_LPF
C2611
62pF
50V
TUNER_I2C_LPF
C2612
62pF
50V
TUNER_I2C_LPF
C2611-*1
18pF
50V
NON_TUNER_I2C_LPF
C2612-*1
18pF
50V
NON_TUNER_I2C_LPF
Tuner (Half Nim)
GP2_BCM
Ver. 1.0
28
CAN H-NIM/NIM TUNER for TAIWAN
close to TUNER
OPTION : RF AGC
close to TUNER
60mA
200mA
IF AGC FILTER
IF FILTER OPTION
CAUTION : Closed BCM IC(IC100)
R2
R1
V_OUT=V_REF(1+R2/R1)
For ESD
close to TUNER
close to 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.
R2801
2.2K
ISDB_DEMOD
C2823
0.1uF
16V
ISDB_DEMOD
SDA1_3.3V
X2800
25MHz
ISDB_DEMOD
C2817
0.1uF
16V
ISDB_DEMOD
C2806
0.1uF
ISDB_DEMOD
R2802
2.2K
ISDB_DEMOD
R2800
10K
1%
ISDB_DEMOD
+3.3V_DE
IF_N_EXT
FE_TS_SERIAL
FE_TS_VAL_ERR
C2810
0.1uF
16V
ISDB_DEMOD
C2824
0.1uF
ISDB_DEMOD
R2805
2.2K
ISDB_DEMOD
FE_TS_SYNC
R2812
2.2K
OPT
C2818
15pF
50V
ISDB_DEMOD
C2802
0.1uF
ISDB_DEMOD
C2803
0.1uF
ISDB_DEMOD
C2826
0.1uF
ISDB_DEMOD
C2809
0.1uF
ISDB_DEMOD
DEMOD_RESET
C2805
0.1uF
ISDB_DEMOD
C2827
0.1uF
ISDB_DEMOD
FE_TS_DATA_CLK
C2814
15pF
50V
ISDB_DEMOD
IF_P_EXT
R2804
2.2K
ISDB_DEMOD
C2800
0.1uF
ISDB_DEMOD
R2809
22
ISDB_DEMOD
C2816
0.1uF
16V
ISDB_DEMOD
+3.3V_DE
C2807
0.1uF
ISDB_DEMOD
R2806
1M
ISDB_OPT
C2821
0.1uF
16V
ISDB_DEMOD
C2825
0.1uF
ISDB_DEMOD
C2820
0.1uF
16V
ISDB_DEMOD
IF_AGC_ISDB
C2819
0.1uF
16V
ISDB_DEMOD
C2812
0.1uF
16V
ISDB_DEMOD
+1.2V_DE
SCL1_3.3V
R2810
22
ISDB_DEMOD
R2808
22
ISDB_DEMOD
C2804
0.1uF
ISDB_DEMOD
C2813
0.1uF
16V
ISDB_DEMOD
R2803
10K
ISDB_DEMOD
C2811
0.1uF
16V
ISDB_DEMOD
C2801
0.1uF
ISDB_DEMOD
C2815
0.1uF
16V
ISDB_DEMOD
C2822
0.1uF
16V
ISDB_DEMOD
R2807
22
ISDB_DEMOD
R2811
2.2K
OPT
C2808
0.1uF
ISDB_DEMOD
R2813
22
R2814
22
IC2800
MN884433
ISDB_DEMOD
1
VSS_1
2
AVDD_S
3
AII_S
4
AIQ_S
5
AVSS_S
6
VRT_S
7
VRB_S
8
TCPO_S
9
VDDL_1
10
MSCL_S
11
MSDA_S
12
VSS_2
13
VSSH
14
PSEL
15
ZSEL
16
VDDL_2
17
ACKI
18
TCPO_T
19
IR_T
20
VRT_T
21
VRB_T
22
AVDD_T
23
AIN_T
24
AIP_T
25
AVSS_T
26
VSS_3
27
MSCL_T
28
MSDA_T
29
VDDH_1
30
GPO1
31
AGCI_T
32
AGCR_T
33
GPO0
34
VDDL_3
35
VSS_4
36
XO
37
XI
38
VDDH_2
39
GPI1
40
GPI0
41
TEST4
42
SHVPP
43
SHVDDH
44
NC_1
45
VSS_5
46
VDDL_4
47
TCK
48
TDI
49
NRST
50
TEST3
51
VSS_6
52
VDDL_5
53
TRST
54
TMS
55
CSEL0
56
CSEL1
57
TDO
58
SYNCA
59
ERRA
60
SYNCB
61
ERRB
62
VSS_7
63
VDDL_6
64
SADR_T
65
NC_2
66
SADR_S
67
HDVDDL0
68
VSS_8
69
SDA
70
SCL
71
VDDH_3
72
SADR
73
INTA
74
INTB
75
VSS_9
76
TEST1
77
TEST2
78
SCKA
79
GPI2
80
SDOA
81
PCKA
82
DENA
83
VDDH_4
84
VSS_10
85
HDVPP
86
RON
87
NC_3
88
HDVDDH
89
NC_4
90
HDVDDL1
91
VSS_11
92
VDDL_7
93
SCKB
94
TEST0
95
SDOB
96
PCKB
97
DENB
98
GPO2
99
VDDH_5
100
AGC_S
ISDB-T Demodulator
GP2_Saturn7M
Ver. 1.0
28
AMP_I2C HAVE PULL-UP
(FE_TS_SERIAL)
PANASONIC (ISDB-T)
MN884433
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