LG 65UH8500 Service Manual page 80
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Also See for 65UH8500:
- Owner's manual (77 pages) ,
- Setup manual (51 pages) ,
- Safety and reference (47 pages)
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DVB-S2 LNB Part Allegro
(Option:LNB)
LNB_OUT
C7000
C7001
0.1uF
33pF
D7004
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
2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
2A
LNB_SUZHOU
LNB_TSC
D7001
D7001-*1
SS2040LL-LG
SS23L
40V
30V
C7003
C7005
C7006
C7007
0.01uF
10uF
10uF
10uF
50V
25V
25V
25V
LNB
LNB
LNB
LNB
close to Boost pin(#1)
30V
SS23L
A_GND
D7000-*1
LNB_TSC
40V
SS2040LL-LG
D7002
C7004
LNB_SMAB34
D7000
0.1uF
R7000
40V
LNB
50V
2.2K
LNB_SUZHOU
1W
C7002
LNB
0.22uF
LNB
D7002-*1
25V
LNB_SX34
40V
A_GND
A_GND
+13V_M
D7003-*1
Max 1.3A
40V
LNB_SX34
3.4A
D7003
40V
LNB_SMAB34
C7009
10uF
A_GND
C7016
25V
10uF
LNB
25V
LNB
A_GND
close to VIN pin(#15)
C7010
0.1uF
50V
LNB
VCP
GND
1
12
THERMAL
LNB
VREG
2
17
11
NC
ISET
3
IC7001
10
A8305SESTR
IRQ
TCAP
C7012
4
9
LNB
LNB
0.1uF
Input trace widths should be sized to conduct at least 3A
Ouput trace widths should be sized to conduct at least 2A
3A
Caution!! need isolated GND
R7004
0
LNB
A_GND
R7003
39K
1/16W
1%
M16
LNB
PAGE 70
2015.06.05
70
100
LGE Internal Use Only
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