LG 42LA61XX / 42LA6130 / 42LA6134 / 42LA6136 / 42LA613S / 42LA613V / 42LA615V (CHASSIS:LD31B) Service Manual ▷ View online
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.
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.
2012/06/19
LNB
27
NC4_S7LRM
R2701
0
C2709
0.1uF
50V
0.1uF
50V
LNB
C2710
0.1uF
LNB
A_GND
+12V_LNB
+12V_LNB
D2704
40V
LNB_SMAB34
D2705-*1
40V
LNB_SX34
A_GND
C2708
10uF
25V
10uF
25V
LNB
A_GND
C2707
0.1uF
LNB
R2706
0
0
R2702
2.2K
1W
2.2K
1W
LNB
C2712
0.1uF
50V
0.1uF
50V
LNB
C2703
0.01uF
50V
LNB
R2705
33
LNB
D2705
40V
LNB_SMAB34
D2704-*1
40V
LNB_SX34
C2705
10uF
25V
10uF
25V
LNB
A_GND
A_GND
C2704
10uF
25V
10uF
25V
LNB
D2701
LNB
D2703
30V
LNB
A_GND
R2704
33
LNB
D2702
30V
MBR230LSFT1G
LNB
LNB_TX
C2706
10uF
25V
10uF
25V
LNB
+12V
C2713
0.22uF
25V
LNB
L2701
BLM18PG121SN1D
LNB
LNB_OUT
C2711
0.22uF
LNB
L2702
15uH
SP-7850_15
LNB
DEMOD_SCL
DEMOD_SDA
C2701
18pF
18pF
LNB
C2714
18pF
18pF
LNB
C2702
33pF
33pF
LNB
R2703
36K
36K
1/16W
1%
1%
LNB
IC2701
A8303SESTR-T
LNB
1
VCP
3
NC_1
7
SCL
9
ADD
10
TONECTRL
11
TCAP
12
ISET
13
VREG
14
GND
15
VIN
16
LX
17
GNDLX
18
NC_2
19
NC_3
20
BOOST
5
TDO
8
SDA
6
IRQ
4
TDI
2
LNB
21
[EP]GND
close to TUNER
DVB-S2 LNB Part Allegro
Close to Tuner
Surge protectioin
3A
Input trace widths should be sized to conduct at least 3A
(Option:LNB)
Ouput trace widths should be sized to conduct at least 2A
close to Boost pin(#1)
Max 1.3A
close to VIN pin(#15)
2A
Max 1.3A
Caution!! need isolated GND
3.5A
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
R3404
100
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
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
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.
RS232C_4P_OS
2012/06/20
40
NC4_S7LRM
PM_RXD
+3.5V_ST
R4001
100
100
R4000
100
100
P4000
12507WS-04L
RS232C_DEBUG_4P
1
VCC
2
PM_RXD
3
GND
4
RM_TXD
5
GND
PM_TXD
RS-232C
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