Samsung HLR4677WX/XAA Service Manual page 74

Schematic Diagrams
7-2-10 DTV Module-10
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KOR Only - Alps NIM tuner
C113
10nF
50V
MO
C87
10nF
50V
MO
TUNER_1
100
1/16W
100
1/16W
100 1/16W
R231
100 1/16W
R271
C141
10nF
50V
MO
7-19
D3.3V
C114
100nF
16V
TU_5V
MO
L22
MMZ2012R121A
B
C88 C96
100nF 100uF
16V 10V
MO
M_CVBS_T
XREF
AGC_MON
M_SIF
XREF
TU_33V
M_AFT
100 1/16W
TU_nRESET_1
R149
L24
100 1/16W
XTAL_ON_OFF_1 MMZ2012R121A
R147
B
C98 C93
10nF 1uF
100 1/16W
TS1_ERR 50V 50V
MO
R148
100 1/16W
TS1_SYNC
R170
100 1/16W
TS1_VLD
TS1_DD7
R169
TS1_DD6
RA20
TS1_DD5
TS1_DD4
TS1_DD3
TS1_DD2
RA21
TS1_DD1
TS1_DD0
100 1/16W
TS1_CLK
R182
SDA_CH1
SCL_CH1
CH2.5V_1
C95 C94 C92
10nF 100nF 100uF
50V 16V 10V
MO MO
CH1.25V_1
C142 C139
100nF 100uF
16V
10V
MO
STB_5V TU_5V
US/KOREA OPTION
L26 L27
MMZ2012R121A MMZ2012R121A
US B B KOR
R146
10K
1/16W
C
Q5
B
M_CVBS_T
KSC1623-G
XREF
E
R168
68ohm
1/10W
R124
0
1/16W
US/KOREA OPTION
KOREA DELETE
M_CVBS
XREF
R125
470
1/16W
US Only - OOB channel board connector
CN14
PCN10EAK-32S-2.54DSA
D3.3V
16
32
TS1_DD1
15
TS1_DD0
31
TS1_DD3
14
TS1_DD2
30
TS1_DD5
13
TS1_DD4
29
TS1_DD7
12
TS1_DD6
28
TS1_SYNC
11
TS1_VLD
27
TS1_CLK
10
TS_SEL
26
9
25
ITX
8
CTX
24
QTX
7 ETX
23
DRX
6
CRX
22
5
TU_nRESET_1
21
SDA_QAM
4 SCL_CH1
20
SCL_QAM
3 SDA_CH1
STB_5V
19
2
18
1
17
STB_30V
STB_9V
17
1
18
2
TU_CLK
19
STB_6.5V
3
TU_EN
20
4
TU_DATA
21
5
22
6
23
7
24
M_AFT
8
25
9
XTAL_ON_OFF_1
26
10 M_CVBS_T
XREF AGC_MON
27
11
28
12 M_SIF
29 XREF
13
30
14
31
15
32
16
PCN10EAK-32S-2.54DSA
CN10
STB_9V D9V
C16
10uF
10nF
16V
50V
CN3 C1006
MO C15 US/KOREA OPTION
SMW250-05 WHT
50V
MGND4 US: L1001DELETE
100nF
MGND3 KOREA: L1000 DELETE
1 R31
GND 1K 1/16W
2
LNA_ON_OFF
S/W1
3 R30 2.2ohm
LNA
4 1/10W
B+
5
MGND2
C
1K 1/16W
MGND1
Q2
B 2RF_S
KSC1623-Y
R1105
C1094
E
1nF
GT2 GT1 50V
MO
R29 2.2ohm
US
KOR
1/10W
Very Closed to Splitter
C
1K 1/16W
Q1
B 2RF_S_2
KSC1623-Y
R28
C14
E
1nF
50V
MO
Stitch-Cap
MD3.3V D5V MD3.3V D3.3V
POD_3.3V MD3.3V MEM_D2.5V
CH2.5V_1
D3.3V
w0.3
REG2 L23
LF25CDT MMZ2012R121A
1 3
IN OUT
GND B
2
C1168 C91 C90
100nF 100uF 100nF
10V
25V 25V
MO MO CH1.25V_1
w0.3
L32
MMZ2012R121A
B
D3.3V C138 C137
100uF 100nF
10V 25V
MO
C140
100nF
25V
MO
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