LG 55EG9100 - Page 54

THERMAL
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.
LNB_TX
GND
D6904
40V
LNB_SMAB34
R6900
2.2K
1W
LNB
LNB_OUT
D6904-*1
40V
LNB_SX34
D6903
40V
LNB_SMAB34
A_GND
C6909
10uF
25V
LNB
C6905
10uF
25V
LNB
D6900
LNB
A_GND
C6911 0.22uF
LNB
A_GND
C6907
10uF
25V
LNB
C6908 0.1uF
LNB_Allegro
+12V_M
C6906
10uF
25V
LNB
A_GND
A_GND
R6903
39K
1/16W
1%
LNB
C6904
0.1uF
50V
LNB
D6903-*1
40V
LNB_SX34
C6912
0.1uF
LNB
C6903
0.01uF
50V
LNB
A_GND
D6901
30V
MBR230LSFT1G
LNB_ONSEMI
LNB_TX
R6904
0
I2C_SCL4
D6902
30V
LNB_ONSEMI
I2C_SDA4
C6901
33pF
LNB
C6902
0.22uF
25V
LNB
C6910
0.1uF
50V
LNB
D6901-*1
30V
SS23L
LNB_TSC
D6902-*1
30V
SS23L
LNB_TSC
C6900
0.1uF
LNB
Q6901
PMV48XP
G
D S
C6913
0.1uF
50V
C6914
0.1uF
50V
Q6902
MMBT3904(NXP)
E
B
C
R6910
10K
1/16W
5% C6915
4.7uF
10V
OPT
+12V_M+12V
R6909
150K
R6908
36K
+3.3V_NORMAL
IC6900-*1
A8303SESTR-T(4M)
LNB_Allegro
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
L6900
15uH
LPH6050T-150M-R
LNB
AR6901
33
LNB
IC6900
DT1803
LNB_DMBT
1
NC_1
3
NC_2
7
SCL
9
ADD
10
TONECTRL
11
TCAP
12
ISET
13
VREG
14
GND
15
VIN
16
LX
17
PGND
18
NC_3
19
NC_4
20
BOOST
5
TDO
8
SDA
6
IRQ
4
TDI
2
LNB
21
[EP]
R6911
0
LNB_Tx
R6912
0
LNB_NON_Tx
D6902-*2
40V
SS2040LL-LG
LNB_SUZHOU
D6901-*2
40V
SS2040LL-LG
LNB_SUZHOU
69
LNB
2012.03.08
close to VIN pin(#15)
3.0A
PAGE 26
Surge protectioin
2A
3A
DVB-S2 LNB Part Allegro
(Option:LNB)

Ouput trace widths should be sized to conduct at least 2A
close to Boost pin(#1)
Caution!! need isolated GND
Input trace widths should be sized to conduct at least 3A
Max 1.3A
Close to Tuner
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Only for training and service purposes
LGE Internal Use Only