Samsung P42HN Service Manual page 63

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Schematic Diagram
7-2-2 Option2
This Document can not be used without Samsung's authorization.
Power
+3.3V_COMMON
BD201
CN201
MGND1
MGND3
1
MGND5
2
3
4
5
7
6
8
9
10
11
13
12
14
+5V_DDC_HD
15
16
17
19
MGND4
18
MGND2
R204
1KOHM
0OHM
R201
SBB_DET
+3.3V_COMMON
10KOHM
R203
SBB_SDA
1
2
SDA3
SBB_SCL
3
SCL3
4
GND
SBB_RXC-
SBB_RXC+
5
B31
C201
A31
6
SBB_RX0-
100NF
25V
7
VCC
IC201
B32
SBB_RX0+
8
9
A32
TMDS351PAG
SBB_RX1-
10
GND
11
B33
SBB_RX1+
C202
12
A33
100NF
25V
VCC
SBB_RX2-
13
SBB_RX2+
14
B34
A34
15
16
GND
VSADJ
R202
3.9KOHM
7-4
HDMI_RX2+
10OHM
R231
R232
HDMI_RX2-
10OHM
R233
HDMI_RX1+
10OHM
R234
HDMI_RX1-
10OHM
R235
HDMI_RX0+
10OHM
HDMI_RX0-
10OHM
R236
10OHM
R237
HDMI_RXC+
+3.3V_COMMON
R238
HDMI_RXC-
10OHM
0OHM
R239
R240
4.7KOHM
Q202
C
B
2SC2412K-Q
E
R222
TX_SBB
0OHM
R223
0OHM
RX_SBB
R227
SCL_HD
33OHM
R228
SDA_HD
33OHM
R229
CHK_HDMI
33KOHM
DDC_VCC
R230
33KOHM
R220
HDMI_HPD
C
B
E
10KOHM
Q201
2SC2412K-Q
SCL_3
SDA_3
+3.3V_LIVE
DDC_VCC
BD202
UART_INT1
BD203
48
HDMI_RX2+
A14
47
HDMI_RX2-
C207
B14
46
VCC
45
HDMI_RX1+
100NF
25V
A13
44
HDMI_RX1-
B13
43
GND
42
HDMI_RX0+
A12
41
HDMI_RX0-
B12
40
C208
100NF
25V
VCC
39
HDMI_RXC+
SCL_3
A11
38
HDMI_RXC-
B11
37
SCL_HD
SDA_3
SCL1
36
SDA_HD
SDA1
35
R219
HPD1
0OHM
R224
34
HDMI_EQ
100OHM
EQ
33
R225
HDMI_SEL1
100OHM
R226
S2
HDMI_SEL0
100OHM
+3.3V_LIVE
UART_INT2
DDC_SDA_DOUT
DDC_SCL_DOUT
BUILT-IN
+3.3V_DVI
BUILT-IN
BD206
IC204
PI3HDMI1210ABEX
C213
NW_RX2+
48
1
47
D0+A
VDD33
NW_RX2-
2
100NF
NW_RX1+
46
D0-A
CP
3
25V
D1+A
D0+
NW_RX1-
45
4
44
D1-A
D0-
5
NW_RX0+
D2+A
D1+
NW_RX0-
43
6
42
D2-A
D1-
7
NW_RXC+
D3+A
VDD33
NW_RXC-
41
8
C216
D3-A
SEL
40
9
100NF
25V
DTV_RX2+
39
VDD33
D2+
10
D0+B
D2-
DTV_RX2-
38
11
37
D0-B
D3+
12
DTV_RX1+
D1+B
D3-
DTV_RX1-
36
13
35
D1-B
CP
14
DTV_RX0+
D2+B
VDD33
DTV_RX0-
34
15
D2-B
GND
DTV_RXC+
33
16
DTV_RXC-
32
D3+B
CP
17
C217
D3-B
GND
31
18
100NF
25V
30
VDD33
A0
19
GND
GND
NW_SDA
29
20
28
0B1
A1
21
0B2
IN
NW_SCL
27
22
1B1
VDD50
26
23
C222
25
1B2
/EN
24
GND
CP
25V 100NF
SBB_PW_BT
BUILT-IN
NETWORK OPTION
+3.3V_DVI
BD204
C214
R241
R246
10V
R254
R255
0OHM
100OHM
1KOHM
1KOHM
10UF
0OHM
R242
R247
R258
0OHM
100OHM
0OHM
R259
IC202
SC16IS740IPW
1
16
VDD
2
XTAL2
15
A0
XTAL1
3
14
A1
4
/RESET
13
R250
R251
N.C.
5
RX
12
SCL
1KOHM
1KOHM
X201
6
TX
11
SDA
7
/CTS
10
/IRQ
/RTS
8
9
I2C
VSS
C209
C210
C218
C220
16V
16V
50V
50V
100NF
100NF
22PF
33PF
+3.3V_DVI
BD205
R243
R248
C215
R256
R257
0OHM
100OHM
10V
1KOHM
1KOHM
10UF
0OHM
R244
R249
R260
0OHM
100OHM
0OHM
IC203
R261
SC16IS740IPW
1
16
VDD
2
XTAL2
15
A0
3
XTAL1
14
A1
/RESET
4
13
R252
N.C.
R253
5
RX
12
1KOHM
1KOHM
SCL
X202
TX
6
11
SDA
7
/CTS
10
/IRQ
8
/RTS
9
I2C
VSS
C211
C212
C219
C221
16V
16V
50V
50V
100NF
100NF
22PF
33PF
DTV OPTION
DTV/NETWORK OPTION
C223
R271
100NF
25V
1.8KOHM
R262
SBB_RX2+
0OHM
R263
+5.3V_STB
SBB_RX2-
0OHM
R264
0OHM
SBB_RX1+
R265
SBB_RX1-
0OHM
C224
100NF
25V
R266
SBB_RX0+
0OHM
R267
SBB_RX0-
0OHM
R268
SBB_RXC+
0OHM
R269
0OHM
SBB_RXC-
R270
0OHM
R277
R278
+5.3V_STB_SAVING
C225
100NF
25V
R272
4.7KOHM
4.7KOHM
C226
1.5KOHM
100NF 25V
SBB_SDA
SBB_SCL
SEL_SBB
R279
NW_RX2+
0OHM
NW_RX2-
R280
0OHM
R281
NW_RX1+
0OHM
R282
NW_RX1-
0OHM
NW_RX0+
R283
0OHM
R284
NW_RX0-
0OHM
R285
NW_RXC+
0OHM
R286
NW_RXC-
0OHM
R287
TX_NW
0OHM
RX_NW
R288
0OHM
R289
NW_SCL
100OHM
NW_SDA
R290
100OHM
R291
NW_DET1
100OHM
R292
0OHM
2SC2412K-Q
NW_PW_BT
C
Q203
B
+3.3V_COMMON
R273
E
4.7KOHM
BUILT-IN
NETWORK OPTION
RX_NW
TX_NW
R293
DTV_RX2+
0OHM
R294
DTV_RX2-
0OHM
R295
DTV_RX1+
0OHM
DTV_RX1-
R296
0OHM
R297
DTV_RX0+
0OHM
R298
DTV_RX0-
0OHM
DTV_RXC+
R299
0OHM
R2100
DTV_RXC-
0OHM
R2101
RX_DTV
0OHM
R2102
TX_DTV
0OHM
R2103
SCL_3
0OHM
R2104
SDA_3
0OHM
DTV_DET
R2105
100OHM
R2106
0OHM
R274
DTV_PW_BT
C
Q204
B
2SC2412K-Q
4.7KOHM
E
+5V_MULTI
RX_DTV
TX_DTV
BUILT-IN
DTV OPTION
BD207
C227
100NF
25V
CN202
FW12501-31A
MGND2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
MGND1
FW12501-41AR
CN203
1
2
MGND2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
MGND1
Samsung Electronics

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