LG 50LN5400-UA (CHASSIS:LA32B) 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.
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.
COMP2_Pr+
AV2_CVBS_DET
R1714
10K
10K
R1721
12K
12K
R1715
10K
10K
R1719
12K
AV2
R1713
1K
R1707
75
R1704
470K
R1700
470K
AV2
D1706
5.6V
OPT
R1712
1K
COMP2_Pb+
+3.3V_Normal
COMP2_DET
R1701
470K
AV2
R1705
75
75
R1709
10K
COMP2_R_IN
R1703
470K
D1709
5.6V
OPT
AV2_R_IN
D1702
5.6V
OPT
D1701
5.6V
AV2_LR_ZENER
C1701
1000pF
50V
OPT
R1716
10K
10K
AV2
R1710
10K
10K
C1704
1000pF
50V
OPT
R1706
75
COMP2_L_IN
R1711
1K
AV2
+3.3V_Normal
+3.3V_Normal
D1704
5.6V
COMP_LR_ZENER
R1702
75
AV2
D1700
5.6V
AV2_LR_ZENER
R1718
12K
AV2
R1708
10K
AV2
AV2_CVBS_IN
C1703
47pF
50V
47pF
50V
AV2
COMP2_Y+/AV_CVBS_IN
C1702
1000pF
50V
OPT
R1720
12K
12K
AV2_L_IN
R1717
10K
10K
AV2
D1705
5.6V
COMP_LR_ZENER
AV_CVBS_DET
C1705
1000pF
50V
OPT
R1722
0
0
DTV/MNT_VOUT
R1723
75
CVBS_TEST
+3.3V_Normal
C1706
0.1uF
0.1uF
CVBS_TEST
C1707
0.1uF
CVBS_TEST
4.7uF
C1708
CVBS_TEST
JK1701
PPJ248-01
COMP_AV1/2
6D
[GN]C-SPRING
7D
[GN]E-LUG
4D
[GN]CONTACT
5E
[BL]C-SPRING
8F
[RD1]E-LUG-S
6F
[RD1]C-SPRING
4F
[RD1]CONTACT
5G
[WH1]C-SPRING
4H
[RD2]CONTACT
6H
[RD2]C-SPRING
7H
[RD2]E-LUG
7A
[YL]E-LUG
6A
[YL]C-SPRING
4A
[YL]CONTACT
5B
[WH2]C-SPRING
4C
[RD3]CONTACT
6C
[RD3]C-SPRING
7C
[RD3]E-LUG
D1711
COMP_Y_ZENER_ROHM
D1703
COMP_Pr_ZENER_ROHM
D1712
COMP_Y_ZENER_ROHM
D1714
AV2_CVBS_ZENER_ROHM
D1713
AV2_CVBS_ZENER_ROHM
D1710
COMP_Pb_ZENER_ROHM
D1708
COMP_Pb_ZENER_ROHM
D1707
COMP_Pr_ZENER_ROHM
D1714-*1
AV2_CVBS_ZENER_KEC
D1713-*1
AV2_CVBS_ZENER_KEC
D1710-*1
COMP_Pb_ZENER_KEC
D1708-*1
COMP_Pb_ZENER_KEC
D1707-*1
COMP_Pr_ZENER_KEC
D1703-*1
COMP_Pr_ZENER_KEC
D1712-*1
COMP_Y_ZENER_KEC
D1711-*1
COMP_Y_ZENER_KEC
JK1702
PPJ245-01
COMP_AV1
6A
[GN]C-SPRING
7A
[GN]E-LUG
4A
[GN]CONTACT
5B
[BL]C-SPRING
8C
[RD1]E-LUG-S
6C
[RD1]C-SPRING
4C
[RD1]CONTACT
5D
[WH]C-SPRING
4E
[RD2]CONTACT
6E
[RD2]C-SPRING
7E
[RD2]E-LUG
IC1700
MM1756DURE
CVBS_TEST
3
BIAS
2
GND
4
OUT
1
IN
6
VCC
5
PS
2012.08.14
NC4_S7LRM
REAR_NON_EU_L
COMPONENT
&
AV1
&
AV1
17
AV2
COMPONENT1 & AV(COMMON), AV2
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.
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.
LAN
2012/06/21
21
NC4_S7LRM
EPHY_RN
EPHY_TN
EPHY_TP
JK2100
XRJV-01V-0-D12-080
ETHERNET_XMULTIPLE
1
2
3
4
5
6
7
8
9
9
+2.5V_Normal
EPHY_RP
C2104
0.01uF
50V
0.01uF
50V
ETHERNET
L2101
BLM18PG121SN1D
ETHERNET
R2101
49.9
ETHERNET
R2102
49.9
ETHERNET
C2101
0.1uF
ETHERNET
R2104
49.9
ETHERNET
C2102
0.1uF
ETHERNET
R2103
49.9
ETHERNET
JK2100-*1
RJ45VT-01SN002
ETHERNET_XML_EMI
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
ETHERNET
* H/W option : ETHERNET
TH
ER
MA
L
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.
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.
2012/08/29
AMP_STA380BWEF
34
NC4_S7LRM
SPK_L+
+3.5V_ST
AMP_MUTE
AMP_SCL
C3420
0.22uF
50V
0.22uF
50V
R3403
10K
SPK_R-
C3415
1uF
50V
+3.3V_Normal
R3410
43
R3408
43
L3401
CIS21J121
R3402
10K
10K
C3412
1uF
50V
C3424
1000pF
50V
1000pF
50V
R3401
10K
SPK_L+
P3401
WAFER-ANGLE
1
2
3
4
C3425
1000pF
50V
1000pF
50V
C3408
0.1uF
16V
0.1uF
16V
C3427
1000pF
50V
1000pF
50V
C3419
0.22uF
50V
0.22uF
50V
SPK_L-
SPK_L-
+3.3V_Normal
AUD_MASTER_CLK
C3423
0.22uF
50V
0.22uF
50V
C3426
1000pF
50V
1000pF
50V
C3411
0.1uF
50V
C3416
0.1uF
50V
C3413
330pF
50V
330pF
50V
C3422
0.22uF
50V
0.22uF
50V
SPK_R+
Q3401
MMBT3904(NXP)
MMBT3904(NXP)
E
B
C
AUD_LRCH
C3414
330pF
50V
330pF
50V
R3409
43
AUD_SCK
AMP_RESET
SPK_R+
R3411
43
C3407
0.1uF
16V
0.1uF
16V
POWER_DET
+24V
C3421
0.22uF
50V
0.22uF
50V
C3401
1000pF
50V
1000pF
50V
C3409
0.1uF
16V
AMP_SDA
C3418
0.22uF
50V
0.22uF
50V
R3405
0
OPT
SPK_R-
C3404
2.2uF
2.2uF
10V
C3403
0.1uF
0.1uF
16V
AUD_LRCK
R3406
0
R3407
0
IC3401
STA380BWF
1
VCC_REG
2
VSS_REG
3
OUT2B
4
GND2
5
VCC2
6
OUT2A
7
OUT1B
8
VCC1
9
GND1
10
OUT1A
11
VDD_REG
12
GND_REG
1
3
N
C
_
1
1
4
N
C
_
2
1
5
N
C
_
3
1
6
N
C
_
4
1
7
N
C
_
5
1
8
N
C
_
6
1
9
N
C
_
7
2
0
N
C
_
8
2
1
N
C
_
9
2
2
N
C
_
1
0
2
3
N
C
_
1
1
2
4
N
C
_
1
2
25
NC_13
26
NC_14
27
NC_15
28
VDDDIG1
29
GNDDIG1
30
FFX3A
31
FFX3B
32
EAPD/FFX4A
33
TWARNEXT/FFX4B
34
VREGFILT
35
AGNDPLL
36
MCLK
3
7
B
I
C
K
I
3
8
L
R
C
K
I
39
SDI
40
RESET
41
PWDN
42
INTLINE
43
SDA
44
SCL
45
SA
46
TESTMODE
47
GNDDIG2
48
VDDDIG2
49
[EP]
L3404
10uH
L3402
10uH
L3405
10uH
L3403
10uH
C3417
10uF
35V
3216
R3404
100
AUDIO AMP(STA380BWEF)
SPEAKER_R
SPEAKER_L
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.
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.
2012/06/20
MSTAR DEBUG_4PIN
39
NC4_S7LRM
RGB_DDC_SCL
RGB_DDC_SDA
P3900
12505WS-04A00
MSTAR_DEBUG_4P
1
2
3
4
5
JP_GND2
JP_GND3
JP_GND4
JP_GND1
MSTART DEBUG_4PIN
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