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THERMAL
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.
A_GND
C6905
10uF
25V
LNB
R6900
2.2K
1W
LNB
A_GND
L6900
15uH
SP-7850_15
LNB
R6904
0
I2C_SDA4
C6907
10uF
25V
LNB
R6901 33
LNB
D6901
30V
MBR230LSFT1G
LNB
C6910
0.1uF
50V
LNB
C6911 0.22uF
LNB
+12V
D6900
LNB
LNB_OUT
D6903-*1
40V
LNB_SX34
D6902
30V
LNB
C6903
0.01uF
50V
LNB
R6902 33
LNB
C6906
10uF
25V
LNB
A_GND
D6904-*1
40V
LNB_SX34
A_GND
A_GND
R6903
39K
1/16W
1%
LNB
A_GND
D6903
40V
LNB_SMAB34
D6904
40V
LNB_SMAB34
LNB_TX
C6904
0.1uF
50V
LNB
C6908 0.1uF
LNB
C6909
10uF
25V
LNB
C6912
0.1uF
LNB
C6902
0.22uF
25V
LNB
I2C_SCL4
C6900
18pF
LNB
C6901
33pF
LNB
IC6900
A8303SESTR-T
LNB
1
VCP
3
NC_1
7
SCL
9
ADD
10
TONECTRL
11
TCAP
12
ISET
13
VREG
14
GND
15
VIN
16
LX
17
GNDLX
18
NC_2
19
NC_3
20
BOOST
5
TDO
8
SDA
6
IRQ
4
TDI
2
LNB
21
[EP]GND
69
LNB
2012.03.08
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
DVB-S2 LNB Part Allegro
Surge protectioin
close to VIN pin(#15)
Max 1.3A
close to Boost pin(#1)
(Option:LNB)
2A
3.5A
Close to Tuner
Caution!! need isolated GND
3A
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only