Topfield TF4000FI, Руководство по обслуживанию, Страница: 49 / 62

A A
B B
C C
D D
E E
4
4
3
3
2
2
1
1
NEAR TO TUNER
1
TUNER
1.4
TF400
0
F
i
11
2
, 3
15, 2004
월요일
월
Ti
tle
S
iz
e
Document Number
Rev
Date:
Sheet
of
CO0 CO7
LNBPLT
CO4
CDCLKOUT
CO[0..7]
CO1
F22K TUNERRST
CO2
LNBPWR
CDEN
CDCLKOUT
CO6
CDEN
CO3
F22K
CO5
LNBPLT
LNBPWR
TUNERRST
+30
V
T
+1.8V
T
VCC
VDD
+1.
8
V
LNBP
1
7
V
+3.
3
V
+8V
+1.8V
T
+30V
T
+3.3V
T
+5V
LNBP
2
4
V
+5V
+5V
+30
V
+3.3V
T
L
2
CB20
1
2
P
A
6
0
0
BC5 0.1uF
R2 47
L5 BEAD-
6
0
1
U3
LNBP20PD
1 2 3 4 5 6 7 8 9
10
20 19 18 17 16 15 14 13 12 11
GND0 VCC1 VCC2 LNBA VSEL EN OSEL NC0 NC1 GND1
GND3
LNBB
MI
OLF LLC
EXTM
CEXT
ENT NC2
GND2
R9 X
(51)
C2
3900pF/X
7
R
/2
5
V
BC4 0.1uF
+
C4 470uF/6.3V
R
4
100
C8
0.1uF/50V/2012
C1
100p
F
R
3
100
+
C10 4.7uF
BC3 0.1uF
U2 LM7805 with Heat sink
1
2
3
4
VI
GND
VO
HS
BC1 0.1uF
R8 X(4.7
K
)
L3 BEAD-601/2012/500
m
A
+
C11 X(10uF
/16V
(S
M
D
/3216)
)
C3
3900pF/X
7
R
/2
5
V
+
C7 47uF/50V
D2 15MQ040N
/R
B
060L-
40
1
2
BC2 0.1uF
R1 X(4.7K/AXIAL/0.25Wa
tt)
L
1
CB20
1
2
P
A
6
0
0
+
C9
100uF/16
V
C5 100p
F
U1
SAMSUNG TB
M
U
24311I
P
P 1 2 3 4 5 7 27 28 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
29 30
6
LNBA IN
LNBB OUT
5V(RF)
AGC MONITOR
5VA
VT
IIC DATA
IIC CLK
I Q
5V
3.3V
F22 1.8V
RESET
ERROR OUT
FSTART
VAILD BCLK
D0 D1 D2 D3 D4 D5 D6 D7
GND0 GND1
GND
R
5
100
R
6
100
L4 BEAD-601/2012/500
m
A
D1 P6KE30
1 2
+
C6 220uF/6.3V
U4 POLYSW-RX
E
0
6
5
1
2
R7
X
(1
K
)
LNBPEN
ASDA
LNBPE
N
T
ASCLK
CO[0..7] TUNER_RST
LNBPLLCO
CDEN CDCLK
LNBP
VSEL