Samsung LTP227W Service Manual page 69

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11-6 Schematic Diagram
COMPONENT_1,2_VIDEO_INPUT
D801 D803
RLZ8.2 RLZ8.2
C801 R802 C802 R801
75
33pF 33pF
75
D808 D811
RLZ8.2 RLZ8.2
1
A
COMP1_CR 1 2
B
TP802
3
C
4
D
5
E
TP804
COMP1_CB 1 6
F
7
G
8
H
9
I
10
J
11
K
12
L
13
M
14
N
15
O
16
P
17
Q
18
R
19
S
TP812
1 20
COMP1_Y
T
21
U
D805 43
V
RLZ8.2
C807
33pF
R814
75 D806
RLZ8.2
TP894
1
CHANGE TO(3722-001810)
COMPONENT1 AUDIO INPUT
CN802
jack10_1
2 TP821
GND_1 1
SIG_2 L808 N
3
SIG_1 4
1 TP822
SIG_4 L809 N
5
SIG_3
6
GND_2 8 TP823
1
SIG_6 9 L803 N
SIG_5
10
SIG_8 TP824
11 1 L811 N
SIG_7
12
TP897
1
D841
RLZ8.2
C823 C822
D842
100pF
RLZ8.2 100pF
1
1
2
D844 2
RLZ8.2
D843
RLZ8.2
3
COMPONENT2 & D4 AUDIO INPUT
FROM SUB INPUT BOARD
D845
RLZ8.2 D846
CN803
2 2 RLZ8.2
12507WR-15L TP826
3 1 1 3
TP825
1
TP828 1
1
2 1
3 TP829 1
4 2 2
D848 D847
5 3 1 1 3 RLZ8.2
6 RLZ8.2
7 TP831 1
8
TP832 1
9
10
11 TP833 1
12 1
13 R838 R839 R841
14 75 75 75
15
TP834
TP835 1
TP836 1
TP837
TP838
1
TP839
1 IDENT_HP
SUPLVAL
C824
10nF 3
C808 C826
C827 C828
10nF 10nF 10nF 10nF
2 1 D849
MMBD4148SE
C829 C831
10nF 10nF
1 TP827
D855 D856
RLZ8.2
RLZ8.2
LTP227W
D822 D824
RLZ8.2 RLZ8.2
R816 C809 R817 C811
D826 75 33pF 75 33pF
D827
RLZ8.2
RLZ8.2
CN801
dcon44
22
1A
23 1 COMP2_PR
1B
24 U14
1C
25
1D
26
1E
27 1 COMP2_PB
1F
28 U13
1G
29
1H
30
1I
31
1J
32
1K
33
1L
34
1M
35
1N
36
1O
37
1P
38
1Q
39
1R
40
1S
TP819
41 1 COMP2_Y
1T
42
1U
44
1V D813
R831
RLZ8.2
75
C818
33pF
D814
RLZ8.2
TP895
FUNCTION BOARD
KEY1
POWER_KEY
CH+_OUT
CH-_OUT
SOURCE_OUT
R834 1K
COMP2_L
R835 1K
COMP1_L
R836 1K
COMP2_R
R837 1K
COMP1_R
D836
RLZ8.2
C819 C821
100pF 100pF
D837
1
RLZ8.2 1
2
2
D839 D838
RLZ8.2 RLZ8.2 3
FROM REMUTE/CON BOARD
LED_GRN
LED_RED
VIDEO_R
VIDEO_L
VIDEO_CVBS
S_VHS_Y
S_VHS_C
L805 N R842 1K
PC_AUDIO_R
L806 N R843 1K
PC_AUDIO_L
HP_R
HP_L
C832 C812
100pF 100pF
D857
RLZ8.2
D4 OPTION
5V
R824
1K R876
0
CN805
1
TP885
1 8 d_sub16p
D4_L1
2
TP886 1 9
D4_L2
TP891 1
3
10
R9215 0
4
D4_L3 TP887 1 11
TP892 1
5
12
R9216 0
6
13
TP888 1
7
D4_ID
14
15
TP896 1 16
TP893
1
D4_1 INPUT
TP841
1
TP842
100
R844
1
TP843
100 6
R845 TP844
1 5
4
R846 100
1 3
2
R847 100 TP845
1 1
TP846
R848 100
1 12507WR-06L
CN804
C834 C835 C836 C837 C838
100nF 10nF 10nF 10nF 10nF
D815
D816 D817
RD8.2MB RD8.2MB RD8.2MB
D858 D859
RD8.2MB RD8.2MB
A3.3V
TP847 C839
1 100nF
16V
R849 R851 R852 R853 R854 R855 MO
1K 1K 1K 1K 1K 1K
TP848
Q801 1
TP849
C
2SC2412K-Q 6
TP851
1 B C841 1 5
100nF C842 4
R856 E 100nF 3
4.7K 2
TP852 1
TP853
1 1 12507WR-06L
IR
Q802 CN806
TP854 TP855
C 1
2SC2412K-Q
1
B
R165
C843 R857
E 560
0.056nF 4.7K 1/16W
SW_POWER
Q101
KSC1623-Y
A5V
CN811
1
slcon8p
2
3
PW565_RX0 4
5
PW565_TX0
6
7
8
SCL3 R858
SDA3 R859
R862
100
1 TP863
SIF
AFT
1 TP865
TUNER_CVBS
R863
75
R864
75
TUNERGND TUNERGND
A5V
DVI / PC INPUT
D867 D868
2 1 2 1
3 3
CN809
TP866 TP867
tpcon32p_1 TP868
1
9
17
2
10
18
3
11
19
4 TP898
12
20
5
13
21
1 TP875
6
14
1 TP889
22
TP876 1
7
15
23 1 TP877
TP878
1
8
16
24
R9198
25
10K
26 TP879
1/16W 1
27
28
29
30
31
32
TP882
D866
RLZ8.2
D864
RLZ8.2
TP883
D861 D862 D863 D865
RLZ8.2 RLZ8.2 RLZ8.2 RLZ8.2
R873
75
A5V
D101
KDS184
PC_5V
C175 C176
22uF 100nF R186 R185
15K
15K
R189
A5V
R9182
R197
R198
IC108
R9213 AT24C02N-10SC
C179
6.2K
IC111 C181 10uF FT104
1/16W
100nF 16V
1 14
IN 2 A 1
A N B
2 13 A5V
B IN M C
3 12
C L 3
DDC_SELECT IN
4 11
D IN K
5 10
IN
E J
C 6 9
PC_5V F IN I
7
B G H 8
IN
R195
R194
E 15K
15K
PC_DDC_SCL
R188
DDC_FINAL_SELECT
100
PW565_RX0
PC_DDC_SDA
PW565_TX0
R187
100
FT801
FT802
TUNERGND
11 Schematic Diagrams
5V
BD805
BLM41P600S
FT803
SGM32F1E104-2A
TUNERGND C845 C846
470uF 100nF
33V
CN808
MGND1
MGND2
L902 TUNERGND
9V
3.3UH
SW
CLOSE TO PIN
AGC
ADC
SCL
C849 C851
SDA
100uF 4.7uF 1 TP858
MB
TP859 SECAM OPTION SIF_OUT
1
TV
AUDIO
AFT
10 1 TP861
VIDEO
MGND3
10 1 TP862
MGND4
C833
C857 C858
100nF
47pF 47pF
50V 50V
TUNERGND
TP899
Change to BN40-00040A
C852
47UF
TUNERGND
1 TP864
C854
100nF
D869 D871 D872 D873 D874 D875
2 1 2 1 2 1 2 1 2 1 2 1
3 3 3 3
TP869 TP871 TP872 TP873 TP874
RX2-
RX1-
RX0-
RX2+
RX1+
RX0+
RXC+
RXC-
BD804
R866 22
PC_DDC_SCL
PC_5V
R867 22
PC_DDC_SDA
R868 100
IDENT_PC
R869 22 Vsync_PC
PC_BLUE
TP881
R872 22 Hsync_PC
1
PC_GREEN
PC_RED
TP856 A5V
TP884
3 3 3
2 1 2 1 2 1
R874 R875
75 75
C853
100nF
R193
15K
1/16W
R9183
15K
1/16W
100
100
100
100
IC109
AT24C02N-10SC
A5V
C123
C143 10uF FT105
100nF 16V
2 A 1
B
C
3
R9181
1K
FST3125MX
Q102
C KSC1623-Y
B
DDC_FINAL_SELECT
R199
E
10K
R196
100
11-11