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THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
4.7K
LNB
R2704
A_GND
+3.3V_Normal
DCDC_GND
0.22uF
25V
LNB
C2700
A_GND
10uF
25V
LNB
C2711
SP-7850_33
33UH
LNB
L2700
LNB_TX
+12V_LNB
0.1uF
LNB
C2702
27pF
OPT
C2709
33
LNB
R2701
LNB_OUT
68uF
35V
LNB
C2707
BLM18PG121SN1D
LNB
L2701
DEMOD_SCL
33
LNB
R2702
DCDC_GND
A_GND
A_GND
22000pF
LNB
C2706
+12V/+15V
0.1uF
50V
LNB
C2703
A_GND
DCDC_GND
DCDC_GND
+12V_LNB
A_GND
DEMOD_SDA
THERMAL
A8290SETTR-T
LNB
IC2700
1
BOOST
3
TCAP
7
TDI
9
VREG
10
SDA
11
ADD
12
SCL
13
NC_2
14
IRQ
15
NC_3
16
NC_4
17
NC_5
18
NC_6
19
BFC
20
NC_7
21
NC_8
22
BFO
23
NC_9
24
BFI
25
VIN
26
LX
27
GNDLX
28
LNB
5
TDO
8
GND
6
EXTM
4
NC_1
2
VCP
29
[EP]
0.22uF
LNB
C2708
0.01uF
50V
LNB
C2701
27pF
OPT
C2710
A_GND
68uF
35V
LNB
C2705
A_GND
0
R2706
0
R2705
SX34
40V
LNB
D2700
SX34
40V
LNB
D2702
0.1uF
50V
C2712
LNB
A_GND
40V
ZD1
LNB
MBR230LSFT1G
30V
D2703
LNB
1uF
50V
C2713
LNB
A_GND
DVB-S2 LNB Part Allegro
DCDC_GND and A_GND are connected
(Option:LNB)
2.4A
Input trace widths should be sized to conduct at least 3A
DCDC_GND and A_GND are connected in pin#27
close to Boost pin(#1)
2A
Ouput trace widths should be sized to conduct at least 2A
Max 1.3A
PCB_GND and A_GND are connected
3A
close to VIN pin(#25)
2012/11/05
DVB_S 27
LP63xH-ZA
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only