Element PLX-4202B Service Manual page 44

1
SAMSUNG COMBO-TUNER
A
U1
B
PORT TUNER DTVS205 CH20 1A
C
D
1
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2
22 +30V_TUNER
GND
23
GND
1 L12
NC
2 1 2
NC
3
120R 2A
NC
4
C73
NC
5 C74
0.1uF/50V
NC
6 10uF/50v
NC
7
RG_AGC_TP
8
NC
9
VT(+30V)
10
IF+
11
IF-
12
IF_AGC
13
TUNER_IF_TP
14
SCL
15
SDA
16
GND
17 +5V_TUNER
BP(+5V)
18 L14
NC
19 1 2
AFT
AFT
20 120R 2A
SIF
SIF
21
NTSC_CVBS
CVBS
C78 C79 C80
100pF 10nF
0.1uF
24
GND
25
GND
26
GND
27
GND
28
GND
29
GND
NEARLY TUNER
1 R32 2
NC/0R0
+5V_TUNER
R33 C83
L15 22k 1n
120R 2A
C84 V3
NTSC_CVBS
10uF
3904 C85
1 2
R35 R36 R37 100uF/16V R38
75R 10k 1k0 75R/NC
SIF
NEARLY TUNER
1 R40 2
AFT
100k
R41
220K
2
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3 4
ROUTE SYMMETRICALLY
C70
10nF
1 R24 2
FAT_IN+
0R0
L13
330NH/NC C71 R25 C72
39pF/NC C75 402R/NC 22pF/NC
10nF
1 R26 2
FAT_IN-
0R0
1 R27 2
IF_AGC
C76
4K7
10nF
DVDD33
Close to Tuner
R28 R29
4K7 4K7
1 R30 2
TUNER_SCL1
100
1 R31 2
TUNER_SDA1
100
C81 C82
22pF 22pF
NEARLY MT5371
1 R34 2 1 C86 2
CVBS0
C87
100R 47nF
47pF
NTSC CVBS
R39
1 2 1 C88 2
NTSC_SIF MPX1
10nF
0R0
C89
15pF/NC
SIF (4.5MHz)
NEARLY MT5371
ADIN3
C90 C91
100nF 1nF
3 4
5 6
+30V_TUNER
+30V_TUNER
+5V_TUNER
+5V_TUNER
IF_AGC
IF_AGC
FAT_IN+
FAT_IN+
FAT_IN-
FAT_IN-
TUNER_SCL1
TUNER_SCL1
TUNER_SDA1
TUNER_SDA1
TUNER INTERFACE
CVBS0
CVBS0
MPX1
MPX1
TUNER - ANALOG OUTPUT
ADIN3
ADIN3
MediaTek Confidential
MediaTek Inc.
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
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E:\workfiles\input\Import
Title
ed V1.5 FOR SINGLE
TUNER
HDMI72.PRJPCB\Image
.bmp
Size Document Number Drawn
MT537 2_SZDEMO _V1_ S Terry
C
Date: Sheet
5 6
A
B
C
D
Rev
1.1
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