DOWNLOAD LG 37LN549E / 37LP63 H (CHASSIS:LD3AF) Service Manual ↓ Size: 8.55 MB | Pages: 45 in PDF or view online for FREE

Model
37LN549E 37LP63 H (CHASSIS:LD3AF)
Pages
45
Size
8.55 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37ln549e-37lp63-h-chassis-ld3af.pdf
Date
PREV: LG 32LN5700 / 32LN5730 (CHASSIS:LT33B) Service Manual

LG 37LN549E / 37LP63 H (CHASSIS:LD3AF) 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.
2.7K
R888
DDC_SCL_2
5V_HDMI_1
2.7K
R889
+5V_Normal
2.7K
R884
2.7K
R885
DDC_SCL_4
DDC_SDA_1
+5V_Normal
DDC_SDA_2
DDC_SCL_1
5V_HDMI_2
+5V_Normal
HDMI_CEC
2.7K
R891
5V_HDMI_4
DDC_SDA_4
CEC_REMOTE_S7
100
R855
+3.5V_ST
10K
R850
D851
CEC_REMOTE_NEC
0 . 1 u F
16V
C804
68K
R816
68K
R812
CEC_ON/OFF
BSS83
Q805
S
B
D
G
MMBD6100
D822
A2
C
A1
MMBD6100
D824
A2
C
A1
MMBD6100
D821
A2
C
A1
RCLAMP0524PA
ESD_HDMI_SEMTECH
D804
1
8
2
7
3
6
4
5
9
10
RCLAMP0524PA
ESD_HDMI_SEMTECH
D805
1
8
2
7
3
6
4
5
9
10
5V_HDMI_1
D0+_HDMI1
D2+_HDMI1
100
R822
MMBT3904(NXP)
Q801
E
B
C
DDC_SCL_1
5V_HDMI_1
100
R818
CK+_HDMI1
ESD_HDMI
VA805
10K
R811
5V_HDMI_1
DDC_SDA_1
VA801
ESD_HDMI_VARISTOR
CK-_HDMI1
ESD_HDMI
VA806
1.8K
R802
D0-_HDMI1
5V_DET_HDMI_1
ESD_HDMI
VA807
D1-_HDMI1
3.3K
R805
ESD_HDMI_VARISTOR
VA804
D1+_HDMI1
HPD1
1K
R801
EAG59023302
JK802
HDMI_1
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
D2-_HDMI1
10K
R808
HDMI_CEC
IR_OUT_HDMI1
ESD_HDMI
VA810
HPD2
D0-_HDMI2
1.8K
R804
ESD_HDMI
VA811
5V_HDMI_2
5V_DET_HDMI_2
ESD_HDMI_VARISTOR
VA808
10K
R810
DDC_SCL_2
DDC_SDA_2
RCLAMP0524PA
ESD_HDMI_SEMTECH
D807
1
8
2
7
3
6
4
5
9
10
CK-_HDMI2
MMBT3904(NXP)
Q802
E
B
C
100
R824
EAG59023302
JK801
HDMI_2
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
5V_HDMI_2
D1+_HDMI2
CK+_HDMI2
10K
R809
D2-_HDMI2
D2+_HDMI2
RCLAMP0524PA
ESD_HDMI_SEMTECH
D806
1
8
2
7
3
6
4
5
9
10
1K
R803
ESD_HDMI
VA809
D0+_HDMI2
HDMI_CEC
100
R825
VA802
ESD_HDMI_VARISTOR
D1-_HDMI2
5V_HDMI_2
3.3K
R806
IR_OUT_HDMI2
IR_OUT_SIDE_HDMI
D0-_HDMI4
DDC_SCL_4
ESD_HDMI_VARISTOR
VA803
MMBT3904(NXP)
Q804
E
B
C
100
R829
10K
R823
ESD_HDMI_VARISTOR
VA812
D0+_HDMI4
HDMI_CEC
1.8K
R815
5V_HDMI_4
D2+_HDMI4
5V_HDMI_4
3.3K
R817
CK-_HDMI4
100
R826
5V_DET_HDMI_4
D2-_HDMI4
D1-_HDMI4
5V_HDMI_4
D1+_HDMI4
DDC_SDA_4
EAG62611204
HDMI_SIDE
JK803
14
13
5
D1_GND
20
BODY_SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
HPD4
RCLAMP0524PA
ESD_HDMI_SEMTECH
D809
1
8
2
7
3
6
4
5
9
10
ESD_HDMI
VA813
1K
R814
CK+_HDMI4
ESD_HDMI
VA815
ESD_HDMI
VA814
10K
R821
2.7K
R887
HDMI_ARC
0
HDMI1_ARC
R840
0
NON_HDMI1_ARC
R841
1uF
10V
VA801-*1
ESD_HDMI_CAP
1uF
10V
VA804-*1
ESD_HDMI_CAP
1uF
10V
VA808-*1
ESD_HDMI_CAP
1uF
10V
VA802-*1
ESD_HDMI_CAP
1uF
10V
VA812-*1
ESD_HDMI_CAP
1uF
10V
VA803-*1
ESD_HDMI_CAP
RCLAMP0524PA
ESD_HDMI_SEMTECH
D808
1
8
2
7
3
6
4
5
9
10
IP4283CZ10-TBA
ESD_HDMI_NXP
D804-*1
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
IP4283CZ10-TBA
ESD_HDMI_NXP
D805-*1
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
IP4283CZ10-TBA
ESD_HDMI_NXP
D807-*1
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
IP4283CZ10-TBA
ESD_HDMI_NXP
D806-*1
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
IP4283CZ10-TBA
ESD_HDMI_NXP
D809-*1
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
IP4283CZ10-TBA
ESD_HDMI_NXP
D808-*1
3
GND_1
2
TMDS_CH1+
4
TMDS_CH2-
1
TMDS_CH1-
5
TMDS_CH2+
6
NC_1
7
NC_2
8
GND_2
9
NC_3
10
NC_4
HDMI_1
HDMI_2
For CEC
SIDE_HDMI
2 0 1 2 . 1 1 . 0 5
8          
 EMEA INTERACTIVE
LP63xH-ZA
HDMI
HDMI_1
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.
4.7K
LNB
R2704
A_GND
+3.3V_Normal
DCDC_GND
0 . 2 2 u F
25V
LNB
C2700
A_GND
10uF
25V
LNB
C2711
SP-7850_33
33UH
LNB
L2700
LNB_TX
+12V_LNB
0 . 1 u F
LNB
C2702
27pF
OPT
C2709
33
LNB
R2701
LNB_OUT
68uF
35V
LNB
C2707
BLM18PG121SN1D
LNB
L2701
DEMOD_SCL
33
LNB
R2702
DCDC_GND
A_GND
A_GND
22000pF
LNB
C2706
+12V/+15V
0 . 1 u F
50V
LNB
C2703
A_GND
DCDC_GND
DCDC_GND
+12V_LNB
A_GND
DEMOD_SDA
THERMAL
A8290SETTR-T
LNB
IC2700
1
BOOST
3
TCAP
7
TDI
9
VREG
10
SDA
11
ADD
12
SCL
13
NC_2
14
IRQ
15
NC_3
16
NC_4
17
NC_5
18
NC_6
19
BFC
20
NC_7
21
NC_8
22
BFO
23
NC_9
24
BFI
25
VIN
26
LX
27
GNDLX
28
LNB
5
TDO
8
GND
6
EXTM
4
NC_1
2
VCP
29
[EP]
0.22uF
LNB
C2708
0 . 0 1 u F
50V
LNB
C2701
27pF
OPT
C2710
A_GND
68uF
35V
LNB
C2705
A_GND
0
R2706
0
R2705
SX34
40V
LNB
D2700
SX34
40V
LNB
D2702
0 . 1 u F
50V
C2712
LNB
A_GND
40V
ZD1
LNB
MBR230LSFT1G
30V
D2703
LNB
1uF
50V
C2713
LNB
A_GND
DVB-S2 LNB Part Allegro
DCDC_GND and A_GND are connected
( O p t i o n : L N B )
2.4A
I n p u t   t r a c e   w i d t h s   s h o u l d   b e   s i z e d   t o   c o n d u c t   a t   l e a s t   3 A
DCDC_GND and A_GND are connected in pin#27
c l o s e   t o   B o o s t   p i n ( # 1 )
2A
O u p u t   t r a c e   w i d t h s   s h o u l d   b e   s i z e d   t o   c o n d u c t   a t   l e a s t   2 A
Max 1.3A
PCB_GND and A_GND are connected
3A
c l o s e   t o   V I N   p i n ( # 2 5 )
2 0 1 2 / 1 1 / 0 5
DVB_S
27
LP63xH-ZA
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