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DVB-S2 LNB Part Allegro
(Option:LNB)
need to connect S-tuner
LNB_OUT
TP1
TP5
LNB_CTL
LNB_TX
TP2
DEMOD_SCL
TP3
DEMOD_SDA
TP4
close to TUNER
LNB_OUT
C800
C801
C802
18pF
D800
18pF
33pF
LNB
LNB
LNB
LNB
Close to Tuner
Surge protectioin
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2014 LG Electronics Inc. All rights reserved.
Only for training and service purposes
2A
D802
LNB
30V
C804
C806
C807
0.01uF
10uF
10uF
50V
25V
25V
LNB
LNB
LNB
close to Boost pin(#1)
D801
MBR230LSFT1G
30V
D803
C805
LNB
LNB
0.1uF
40V
R802
LNB
50V
C803
2.2K
0.22uF
LNB
1W
25V
LNB
D803-*1
LNB_SX34
40V
3A
+12V_LNB
D804-*1
Max 1.3A
40V
LNB_SX34
3.5A
D804
40V
LNB
C810
10uF
25V
C808
LNB
10uF
25V
LNB
close to VIN pin(#15)
C811
0.1uF
50V
LNB
VCP
VIN
1
15
THERMAL
LNB
GND
2
21
14
NC_1
VREG
3
13
IC801
C813
TDI
ISET
A8303SESTR-T
4
12
LNB
LNB
SIGN10335
0.1uF
TDO
TCAP
5
11
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
LNB
R805
39K
1/16W
1%
L14
Satellite LNB
2013-08-06
8
10
LGE Internal Use Only
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