THERMAL
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.
A_GND
C6905
10uF
25V
LNB1
R6900
2.2K
1W
LNB1
A_GND
R6904
0
LNB1
I2C_SDA4
C6907
10uF
25V
LNB1
C6910
0.1uF
50V
LNB1
C6911 0.22uF
LNB1
+12V
LNB_OUT1
C6903
0.01uF
50V
LNB1
C6906
10uF
25V
LNB1
A_GND
A_GND
A_GND
R6903
39K
1/16W
1%
LNB1
A_GND
D6903
40V
LNB1
D6904
40V
LNB1
LNB_TX1
C6904
0.1uF
50V
LNB1
C6908 0.1uF
LNB1
C6909
10uF
25V
LNB1
C6912
0.1uF
LNB1
C6902
0.22uF
25V
LNB1
I2C_SCL4
C6901
33pF
LNB1
IC6900
A8303SESTR-T
LNB1
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
D6900
LNB1
C6900
15pF
LNB1
R6905
0
LNB1
R6906
9.1K
LNB1
+12V
L6900
15uH
LPH6050T-150M-R
LNB1
R6907
0
EU/CIS
R6908
0
JAPAN
D6901
40V
SS2040LL-LG
LNB1_DIODE_SUZHOU
D6902
40V
LNB1_DIODE_SUZHOU
D6902-*1
30V
LNB1_DIODE_TSC
D6901-*1
30V
SS23L
LNB1_DIODE_TSC
C6913
0.1uF
LNB1
69
LNB1
2014.04.29
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
DVB-S2 LNB1 Part Allegro
Surge protectioin
close to VIN pin(#15)
Max 1.3A
close to Boost pin(#1)
(Option:LNB1)
2A
3.0A
Close to Tuner
Caution!! need isolated GND
3A
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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