LW17M24C/LW20M21C
11-1
11 Schematic Diagrams
11 Schematic Diagrams
❈
This Document can not be used without Samsung’s authorization.
11-1 Input Power Sound Schematic Diagram
GRN
B
LUE
RED
WHT
RED
2
1 L909
L908
2
1
3.3uH
3.3uH
5
AS
4
AGC
TU01
MGND4
1
TMQH6-008A
MGND3
MGND2
MGND1
9
TU
NC
8
MB
7
SDA
6
SCL
32
NC
12
IF_OUT
NC
11
10
NC
NC
1
1/16W
100
R968
1
33V
1
NC_5
NC_4
1
IF_OUT
1
NC_3
11
SCL
1
5V
1
AGC
1
GND
1
NC_1
SDA
1
NC_2
C940
C939
100nF
N
N
100nF
L906
L907
1
3.3uH
3.3uH
1
L904
3.3uH
L905
2
L902
2
1
2
0
2
1
L903
R967
B5V_1
C194
82uF
6.3V
3.3uH
10K
C193
R965
R966
10K
470uF
16V
GND
1
IC101
D950
AP1117D-33A
OUT
4
IN
3
GND 1
IC111
3
2
1
BZX84C5V1
AP1117D-33A
OUT
4
IN
3
BZX84C5V1
3
2
1
D920
2
1
D915
D957
D916
3
2
1
BZX84C5V1
3
2
1
MMBD4148SE
MMBD4148SE
3
3
2
1
D956
3
2
1
MMBD4148SE
MMBD4148SE
3
2
1
D955
D953
3
2
MMBD4148SE
1
MMBD4148SE
MMBD4148SE
3
D954
2
1
D952
D951
3
2
1
MMBD4148SE
MMBD4148SE
MMBD4148SE
3
2
1
D949
100
R964
SDA
D948
3
2
1
680nF
SCL
E_SCL
C601
C602
E_SDA
680nF
1
TP982
TP979
1
TP981
1
1
TP980
11
TP976
1
TP978
1
TP974
TP977
1
TP973
1
TP975
1
TP972
1
TP971
1
TP970
1
TP969
1
TP968
TP965
1
TP967
1
TP966
1
1
TP962
1
TP964
TP961
1
TP963
1
TP959
1
1
TP958
1
TP960
1
TP956
1
TP955
1
TP957
1
RLZ8.2
1
TP954
1
TP953
D947
3
B
3
C
2
B
A
RLZ8.2
C
2
1
A
D946
D945
R625
3
C
2
B
A
1
RLZ8.2
R624
2.7Kohm
2.7Kohm
100uF
16V
C113
C228
100nF
16V
100uF
C112
C235
100nF
1
TP128
1
GND
IC112
A5V
1
TP127
B1.8V
B3.3V
1
TP952
GM_RESET
AP1117D-18A
4
OUT
3
IN
R952
C934
33pF
100
R950
100
R951
100
100
100
R956
R959
50V
10nF
C936
MO
22uF
16V
AVS
AHS
14
M
13
L
12
K
11
J
C935
A3.3V
F
IN
6
E
IN
5
4
D
IN
C
IN
3
B
IC903
N
10nF
IN
2
IN
1
A
74LCX14MX
SEL_COMP/PC
SEL_INT/EXT
VCT_V
VCT_H
10
I
9
H
8
G
IN
7
16V
22uF
C937
DSUB_H
DSUB_V
7
A3.3V
50V
MO
C938
16
VC C
/E
15
IC902
3Y
9
GN D
8
3A
3B
10
1
S
2Y
6
2B
2A
5
1Y
4
3
1B
1A
2
R963
4A
14
13
4B
12
4Y
11
R961
74LCX157M X
100
100
R962
100
100
R960
100
R958
R957 100
R955
10K
1/16W
100
100
R174
SCART_ID
SCART_VIN
R954
SCART_ROUT
20K
SCART_VOUT
SCART_BLIN
SCART_LOUT
3.3K
R616
R611
1K
E
C
B
Q902
R934
0.4mm
R933
10K
KSC1623-Y
CN901
9
8
7
6
21
20
19
5
4
3
2
1
16
15
14
13
12
11
10
d_sub21p
8
7
6
5
4
3
2
1
CN902
C932
18
17
0.33nF
9
R946
0.33nF
C931
C933
1/16W
75
R945
100pF
1/16W
75
10K
1/16W
R8145
2.7Kohm
1/16W
R944
220
1/16W
1/16W
220
3
C
R942
R940
B
A
1
BZX84C16
RLZ8.2
D944
D936
C
3
B
2
1
A
D932
2
2
B
A
1
RLZ8.2
RLZ8.2
C
3
B
2
1
A
3
C
2
D934
3
C
RLZ8.2
C
D930
2
1
A
D940
D941
B
A
1
RLZ8.2
D942
3
C
2
B
A
1
RLZ8.2
3
B
RLZ8.2
C
3
B
2
A
1
7
6
5
4
3
2
15
105-15202N330
12
11
10
1
CN908
MGND2
MGND1
9
8
D926
3
2
1
RLZ8.2
14
13
1
D925
RLZ8. 2
3
2
1
D927
B
2
A
1
FT11
RLZ8.2
3
2
U11
100
1
SS24
R170
33UH
82uF
C192
D102
16V
FT145
6.8K
R173
43Kohm
R171
100uF
25V
C191
100nF
MO
10nF
50V
C190
C187
50V
50V
R172
100pF
C189
C188
10nF
50V
5.1K
MP1410ES
N_C
8
7
D923
EN
COMP
6
5
FB
4
GND
SW
3
IN
2
BS
1
IC110
3
2
1
RLZ8.2
3
2
1
3
2
D924
D922
RLZ8.2
RLZ8.2
1
RLZ8.2
DDC_5V
1
D921
KDS184
3
21
D907
BZX84C5V1
3
2
C623
3
2
1
D928
47uF
16V
8
7
6
TXD
RXD
1
TP951
CN909
10
9
1
TP950
5
4
dcjhp_10p
C
3
B
2
A
1
D914
D911
C
3
2
B
A
1
RLZ8.2
RLZ8.2
R928
1K
L901 N
1K
0.33nF
C913
N
R927
0.33nF
L900
R915
C911
R916
10K
1/16W
C920
10K
1/16W
R920
100nF
100 1/16W
1/16W
100
IC900
R921
AT24C02N-10SC
VCC
8
7
MODE,/WC
SCL
6
5
SDA
4
VSS
E2
3
E1
2
E0
1
R918
A5V
75
1/16W
75
1/16W
R917
1/16W
75
MMBD4148SE
2
1
D908
MMBD4148SE
R919
A5V
3
2
1
D909
3
D910
3
2
1
MMBD4148SE
0.002nF
50V
MO
C909
BZX84C5V1
50V
0.002nF
C915
MO
3
2
1
D917
D919
3
2
1
3
2
1
BZX84C5V1
MO
D918
A5V
D912
3
BZX84C5V1
0.002nF
50V
2
1
MMBD4148SE
50V
0.002nF
C917
C916
MO
100
1/16W
1
D913
PC_AR
R923
MMBD4148SE
2
A
1
FT130
PC_GREEN
PC_RED
B8V
PC_BLUE
DSUB_H
PC_SDA
PC_SCL
DSUB_V
PC_AL
PC_SDA
PC_SCL
PC_IDENT
3
2
OUT
IN
GND
IC109
B
1
U1912
BA178M08FP
R166
D101
100
33UH
FT128
SS24
82uF
16V
C185
R169
3.9Kohm
R167
12K
50V
100uF
C184
25V
50V
MO
100nF
C183
C182
C180
10nF
R168
5.1K
100pF
50V
50V
10nF
IC108
8
N_C
C181
3.3UH
EN
7
6
COMP
FB
5
GND
4
3
SW
2
IN
1
BS
MP1410ES
R311
FT131
0
1/16W
50V
100pF
C208
16V
100uF
C178
100pF
50V
MO
B5V
B5V
1
MO
1
U206
C209
1
U207
1
U208
U205
1
U209
1
U210
1
U200
1
U203
1 U201
R205
1
U202
0
1
U204
R207
16V
100uF
C210
+33V_T
0
BLM41P600S
B
2
A
1
FT200
100 1/16W
R203
1/16W
100
R204
1/16W
8.2Kohm
R210
100K
R211
1/16W
C212
1/16W
0
R209
1
TP116
10nF
50V
MO
100
B5V
1
TP121
R122
1
TP122
slcon9p
9
8
7
6
5
4
3
2
1
CN100
1
TP120
1
TP119
1
TP117
1
TP125
1
TP182
2
B
1
A
FT118
1
TP126
OUT
4
IN
3
GND
1
AP1117D-18A
100nF
C179
IC105
1
TP101
TP115
1
TP103
1
TP118
1
1
TP124
47Kohm
1/16W
R115
9V_S
B
2
A
1
FT127
10K
B
2
A
1
FT126
5V_P
R128
10K
R165
B
1
A
FT100
1uF
50V
C101
100K
2
R120
2
5
D2_1
D2
2SC2412K-Q
E
C
B
Q101
C111
100uF
SI9933ADY-T1
3
S2
1 S1
G2
4
G1
100nF
6
7
D1_1
D1 8
IC100
100nF
16V
A5V
16.000
100uF
C163
C107
2
B
1
A
FT102
C114
B
2
A
1
FT144
A3.3V
+14V
100K
R116
C
B
Q100
R114
10K
2SC2412K-Q
E
1uF
C102
R121
100K
50V
100uF
25V
B
2
A
1
C110
C143
50V
1uF
C115
100nF
R127
100K
FT101
2SC2412K-Q
E
D2
D1_1
7
8
D1
SI9933ADY-T1
C
B
Q104
C109
IC102
S2
3
S1
1
4
G2
2 G1
D2_1 5
6
100nF
100uF
16V
100nF
A1.8V
C922
100pF
50V
C175
1K
C217
R932
1K
MO
R931
C921
1uF
50V
D601
3
21
KDS184
16V
22uF
R608
A5V
+14V
C610
+14V
120Kohm
10K
Q603
E
C
B
KSC1623-Y
1/10W
R617
MMBD4148SE
3
2
1
D600
+33V_T
1
TP912
1
TP909
1
TP910
9V_S
10K
100nF
50V
MO
R605
1
Q602
E
C
B
KSC1623-Y
1
TP934
C910
1
TP935
1
TP937
1
U901
1
U903
1
TP936
14
13
12
TP938
1
TP933
6
5
4
3
2
CN907
B
A
17INC H
10uH
EUROPE only
2007-001433
JAPAN only
R-speaker
L-speaker
Option Selection
B
1 A
20INCH
2 B
1
B
2
A
1
NT
2
2 B
1 A
PAL
LED_RED
IR
HP_L
HP_R
LED_GRN
SRIN
SLIN
VIDEO_CVBS
HP_MUTE
0.4mm
S_VIDEO_Y
S_VIDEO_C
AV_R
AV_L
HP_ID
COMP_R
COMP_L
COMP_CR
COMP_Y
HP_L
SCART_ID
COMP_CB
KEY1
HP_R
0.3mm
KEY2
SW_POWER1
AMP_MUTE
MUTE_SP_POWER
MUTE_SP_POWER
0.3mm
SW_INVERTER
SW_LVDS
.7
SW_POWER1
Q900
TAGC
IF
SDA
SCL
0.5mm
R924
2SC2412K-Q
E
C
B
4.7K
2SC2412K-Q
E
C
B
Q901
4.7K
R914
150
R925
R926
D603
C
3
B
2
1
A
RLZ8.2
A3.3V
220
D604
C
3
B
2
A
1
RLZ8.2
D
4
3
C
2
B
1
A
TDA7050T/N3
IC601
Vcc
8
GND
5
7
F
E
6
C613
5V_HP
100uF
100uF
20K
R613
C622
20K
R612
10K
R615
10K
R614
100
R603
R602
100
1uF
C600
C603
1uF
56
4.7K
R607
56
R618
R622
R619
1K
C609
1K
R623
C608
100nF
100uF
16V
100uF
16V
C201
B5V
C200
10nF
L201
N
680uH
L202
100K
R201
47nF
C207
C206
220pF
Q200
E
C
B
KSC1623-Y
10nF
C205
22K
R202
MO
C202
MO
C204
2.2nF
50V
1/16W
330
4.7nF
50V
MO
C203
R200
1uF
50V
100nF
50V
BZX84C33
D201
C213
D200
3
2
1
MMBD4148SE
0 1/16W
R208
L200
N
2.2nF
C611
C612
2.2nF
9V_S
C607
16V
100uF
C604
100nF
100nF
C620
C615
10
R621
R620
100nF
10
C618
220nF
220nF
C621
C617
220nF
220nF
C614
470nF
C619
C616
470nF
1
TP603
1
TP602
1
TP601
2
1
CN601
1
TP600
1
CN600
slcon4p
4
3
slcon5p
5
4
3
2
7
6
5
4
3
2
1
slcon14p_1
CN905
14
13
12
11
10
9
8
1
TP923
1
TP919
1
TP920
1
TP918
TP908
1
TP906
1
TP907
1
IN1
IC600
1
TP911
18
NC_5
NC_4
17
12
NC_3
NC_2
4
3
NC_1
MUTE
8
IN2_
14
7
6
9
ST_BY
SGND
13
20
PW_GND_4
PW_GND_3
11
PW_GND_2
10
1
PW_GND_1
16
OUT2_
OUT2
19
5
OUT1_
OUT1
2
TDA7266D
15
VCC_2
VCC_1
R606
R600
10K
R601
4.7K
0.33nF
C901
4.7K
C900
3
2
1
RLZ8.2
0.33nF
2
1
RLZ8.2
D901
2
1
CN903
D900
3
slcon6p
6
5
4
3
75
R902
75
R903
R904
C908
75
C907
0.33nF
0.33nF
3
2
1
D906
3
2
1
RLZ8.2
RLZ8.2
2
1
D902
D905
1
RLZ8.2
RLZ8.2
3
33pF
D903
3
2
C903
C902
33pF
jack3p_3
4
3
2
CN900
6
SIG_4
5
SIG_3
SIG_2
3
SIG_1
2
4
GND_2
GND_1
1
U1913
75
jack6p_b
R906
75
75
R908
C906
R909
33pF
33pF
C905
33pF
C904
7
6
5
4
3
2
1
CN904
14
13
12
11
10
9
8
d_sub14p
BZX84C5V1
3
2
1
D904
100
R905
1
TP900
1
TP916
1
TP913
1
TP915
1
TP932
1
TP914
1 TP928
1
TP926
1
TP905
1
TP930
1
TP904
1
TP903
1
TP902
1
TP901
1
TP917
100
R907
R910
100
R911
100
R912
100
R901
100
R900
100
4.7K
R609
Q601
E
C
B
KSC1623-Y
Q600
E
C
B
KSC1623-Y
R610
1K
5V_HP
B8V
10K
R604
A
D602
C606
100uF
16V
QZX363C5V6
5
NC
1
C4
3
C3
4
C2
6
C1
2
22uF
C605
R929
A3.3V
16V
R930
4.7K
1
U905
4.7K
1
U904
C919
1
U902
C918
100nF
1
slcon14p_1
100nF
11
10
9
8
7
4
3
6
7
8
5
1
2
Summary of Contents for LW17M24C
Page 7: ...Memo 2 Product Specifications 2 4 LW17M24C LW20M21C ...
Page 11: ...Memo 3 Disassembly and Reassembly 3 4 LW17M24C LW20M21C ...
Page 19: ...5 Troubleshooting LW17M24C LW20M21C 5 3 WAVEFORMS 1 2 5 3 6 4 4 7 8 ...
Page 22: ...Memo 5 Troubleshooting 5 6 LW17M24C LW20M21C ...
Page 24: ...6 Exploded View Parts List 6 2 LW17M24C LW20M21C 6 2 LW20M21C ...
Page 50: ...9 Schematic Diagrams 9 2 LW17M24C LW20M21C Memo ...
Page 52: ...10 PCB Layout 10 2 LW17M24C LW20M21C Memo ...
Page 54: ...11 Schematic Diagrams 11 2 LW17M24C LW20M21C 1 2 5 3 6 4 7 8 ...
Page 56: ...11 Schematic Diagrams 11 4 LW17M24C LW20M21C 9 ...
Page 62: ...11 Schematic Diagrams 11 10 LW17M24C LW20M21C Memo ...
Page 64: ...www s manuals com ...