Samsung LW17N23W Service Manual page 68

11 Schematic Diagrams
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11-4 Schematic Diagram
ZD802
RLZ8.2
C802 C803 C801 C804
0.33nF 0.33nF 0.33nF 0.33nF
50V 50V 50V 50V
MO MO MO MO
D809
R111 RLZ8.2 RLZ8.2
330
1/16W L815 3.3UH
SC1_R_OUT
R107
L816 3.3UH
SC1_R_IN
470
1/16W
L817 3.3UH
SC1_L_OUT
R112
330
R108 1/16W
470
1/16W L818 3.3UH
SC1_L_IN
L801
SC1_BLUE
3.3UH
SC1_FSW
R871
10K
R99 R875 1/16W
75 4.7K
L802 1/16W 1/16W
1 TK13
SC1_GREEN
3.3UH
R100
75
1/16W
L804
1
SC1_RED
3.3UH
SC1_FB
R880
100
1/8W
SC1_CVBS_OUT
SC1_CVBS_IN
R882
R869 100
1/8W ZD813
75 R98
C805
RLZ8.2
1/16W 100pF 75
1/16W
FROM SUB INPUT BOARD
D821
RLZ8.2
VIDEO_R
VIDEO_L
D823
RLZ8.2
R965 100 1/16W
VIDEO_CVBS
R834 100 1/16W
S_VHS_Y
R835 100 1/16W
S_VHS_C
1K R819 N L805
PC_AUDIO_R
1K R820 N L806
PC_AUDIO_L
HP_R
HP_L
C812 C813
100pF 100pF
C853 C854
AGND AGND AGND AGND C855
47pF 47pF
47pF
50V 50V
50V
MO MO
MO
11-8
DUAL SCART JACK
ZD801 ZD804 ZD803
ZD816 ZD817 ZD818 ZD819
RLZ8.2 RLZ8.2 RLZ8.2 RLZ8.2 RLZ8.2 RLZ8.2 RLZ8.2
ZD820 C807 C806 C809 C808
RLZ8.2 0.33nF 0.33nF 0.33nF 0.33nF
50V 50V 50V 50V
ZD822 ZD821 ZD823 MO MO MO MO
D808 D807 D806 RLZ8.2
RLZ8.2 RLZ8.2
CN801
RLZ8.2 RLZ8.2 TK19 TK24 R113
dcon44 U92 330
3.3UH
1 1 22 1 1/16W
A 1A
TK18 TK25 L819
R109
1 2 23 1 3.3UH
B 1B 470
L820
1/16W
1 TK17 3 24 1
3.3UH
C 1C
TK23 R114
4 25 330
D 1D
1/16W
5 26
E 1E TK22 L821
3.3UH
TK16
1 6 27 1
F 1F
R110
1 TK15 7 28
TK21
G 1G 470
TK14 1/16W
1 8 29 1
H 1H
9 30 R872
I 1I R878
10K
4.7K
10 31 1/16W
J 1J 1/16W
11 32
K 1K
12 33
L 1L
13 34
M 1M
14 35
N 1N
TK12
15 36
O 1O
16 37
P 1P
R115 TK11
1 17 38
Q 1Q
75
18 39
1/16W
R 1R
TK7
TK5
1 19 40 1
S 1S
TK20
TK6
20 41
1 1
T 1T
ZD825
21 42 R881
RLZ8.2
U 1U
100
R870 1/8W
ZD812
C810
43 44 75
RLZ8.2
V 1V 100pF
1/16W
CN805
D822
RLZ8.2 T869 slcon17p
2 2
TP892
3 1 1 3 1 1
TP893 1 17
T809
1 16
15
1 T811 14
2 2 13
D824 TP917
3 1 1 3 1 12
SUPLVAL
11
RLZ8.2
1 T812 10
9
TK2
1 8
7
1 TK1 6
1
5
R816 R817 R818 1 TP916 4
75 75 75 SUPLVAL 3
1/16W 1/16W 1/16W 2
TP894 1
1 T815
1 T816
TP918
1
SUPLVAL
T870
1
T871
1
TP919
SUPLVAL
IDENT_HP
TP915
C841 C842 C843
10nF SUPLVAL
50V 10nF 10nF
50V 50V
MO MO MO
3
D832
1 2 C838 C839 C840 C844
MMBD4148SE 10nF 10nF 10nF 10nF
50V 50V 50V 50V
MO MO MO MO
FROM REMUTE/CON BOARD
A3.3V
C846
T829
1 100nF
16V
R867 R862 R863 R864 R865 R866 MO
1K 1K 1K 1K 1K 1K
1/16W 1/16W 1/16W 1/16W 1/16W 1/16W
CN807
T827
Q801 1 1
C
2SC2412K-Q slcon8p
LED_GRN C847 1 T828
B 2
100nF C848
16V 100nF
R825 E 3
MO 16V
4.7K
1/16W MO
4
1
IR T831 5
Q802
C
2SC2412K-Q 6
LED_RED 1
B
7
SC2_R_OUT
C845 R826
E
0.056nF 4.7K
SC2_R_IN TP902 8
50V 1/16W
MO
SC2_L_OUT
SC2_L_IN
SC2_FSW
SC2_CVBS_OUT
FUNCTION BOARD
SC2_CVBS_IN
CN804
TP130
1 slcon8p
TP131
R811 100 1/16W
1 1
KEY1 TP132
R812 100 1/16W TP133
1
POWER_KEY 2
R813 100 1/16W
1 3
CH+_OUT TP134
R814
100 1/16W
1
CH-_OUT 4
TP135
R815 100 1/16W
TV_VIDEO 1 5
6
7
C811 C834 C835 C836 C837 8
100nF 10nF 10nF 10nF 10nF
50V 50V 50V 50V 50V
MO MO MO MO MO
D820
D816 D818
RD8.2MB
RD8.2MB RD8.2MB
D817 D819
RD8.2MB RD8.2MB
AGND
TO PANEL INVERTER
14V_INVERTER
CN806
TP835
TP834 slcon17p
TP833
1 1 1
L807 1
TP832
A 1 2
ADJ_BRIGHT 1
3
L808
4
SW_INVERTER
1
TP913 5
C815 C816 1 6
C814 TP914
1
100nF 100nF 7
10uF
1
T868 TP904 8
1
TP905 9
1 10
1 TP907
11
TP906 1
12
TP908
1
13
TP909
1 14
TP910
1 15
16
TP911
C818
C817 TP912 17
C819
82 82
16 100nF
16
INVERT_GND INVERT_GND INVERT_GND
BD804 BLM41PG600SN1L
BD805 BLM41PG600SN1L
LNA OPTION
L809
3.3UH
C826
100nF
50V
MO
TUNERGND
deletion R886 1K 1/16W
R887 100 1/16W
C851 C852
C828
1nF 1nF
100pF
5V
SCL3
SDA3
TUNERGND
R827
47K
1/16W
AFT
R888
SIF
100 1/16W
TUNER_CVBS
R828
R829 43
100 1/16W
1/16W
TUNERGND TUNERGND
R831 R832 R833
75 75 75 D833 D834 D835
3 3 3
1 2 1 2 1 2
CN808 C821
10uF
d_sub15p
TP116
1
1
9 TP117
2 TP118 L812 1.5uH
1
10 TP119 1
3 1
11
4 TP122 L814 1.5uH
1
12
5 TP124
1 R860 75
13
6
TP125
1 R861 75
14
7 L813 1.5uH
TP127
15 1
8
TP900
1
D837 D838
D839
QZX363C5V6
BD806 BLM41PG600SN1L
BD807 BLM41PG600SN1L
BD808 BLM41PG600SN1L
AGND
INVERT_GND
AGND AGND
TUNERGND
AGND
GND_AMP
DGND
9V_1 33V 5V
L810 L811
3.3UH 3.3UH TP871
1
C823 C824
470uF 100nF
TP863
16V 16V
MO
1 CN809
C825
100uF SUPLVAL
16V
TUNERGND
TP861 1 NC_1
1
TUNERGND 2
9V
C827
TP862 3 AGC
100uF
16V 1
4
VT
TP864
1
5 5V_1
BN40-00030A Change
TP865
1
6
SCL
TP866 TP867
1 7
SDA
C831 1
C830 8
AS
50V
47uF
50V 100nF 9
NC_2
MATERIAL
C829 10
NC_3
100pF
11
NC_4
R844
12
NC_5
47K
TUNERGND
1/16W 13
NC_6
TP868
1
14
AFT
TP869
1 15
2ND_SOUND_OUT
TP870
1
16
VIDEO_OUT
17
5V_2
R830
47K 18
AUDIO_OUT
1/16W C833
220uF
16V
TUNERGND
PC_RED
PC_GREEN
PC_BLUE
5V
C822
100nF
PC_5V
IDENT_PC
R966
100
PC_DDC_SDA_TX0
H_SYNC
V_SYNC
PC_DDC_SCL_RX0
C820
100pF
LW17N23W