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.
R2302
33
LNB
LNB_TX
L2301
33UH
SP-7850_33
LNB
C2324
68uF
35V
LNB
C2303
0.1uF
50V
LNB
R2303
0
LNB
+3.3V_Normal
C2304 0.1uF
LNB
SCL1_3.3V
C2305
68uF
35V
LNB
D2301
40V
SMAB34
LNB
C2310
27pF
OPT
DCDC_GND
L2302
BLM18PG121SN1D
LNB
A_GND
LNB_OUT
C2308
0.22uF
LNB
+12V
+12V_LNB
D2304
40V
SMAB34
LNB
A_GND
DCDC_GND
C2312
0.1uF
50V
LNB
A_GND
A_GND
A_GND
D2303
40V
SMAB34
LNB
R2314
0
LNB
C2309
27pF
OPT
DCDC_GND
R2313
0
LNB
+12V_LNB
A_GND
A_GND
A_GND
C2311
10uF
25V
LNB
R2301
33
LNB
C2307
0.01uF
50V
LNB
SDA1_3.3V
C2302
1uF
50V
LNB
LNB_INT
R2304
4.7K
LNB
DCDC_GND
A_GND
C2306
22000pF
LNB
C2301
0.22uF
25V
IC2301
A8290SETTR-T
LNB
1
BOOST
3
TCAP
7
TDI
9
VREG
10
SDA
11
ADD
12
SCL
13
NC_2
14
IRQ
15
NC_3
16
NC_4
17
NC_5
18
NC_6
19
BFC
20
NC_7
21
NC_8
22
BFO
23
NC_9
24
BFI
25
VIN
26
LX
27
GNDLX
28
LNB
5
TDO
8
GND
6
EXTM
4
NC_1
2
VCP
29
[EP]
D2302
1000V
US1M(suzhou)
LNB
DCDC_GND and A_GND are connected in pin#27
LNB
Input trace widths should be sized to conduct at least 3A
close to Boost pin(#1)
57
DVB-S2 LNB Part Allegro
23
close to VIN pin(#25)
2A
DCDC_GND and A_GND are connected
3A
Ouput trace widths should be sized to conduct at least 2A
BCM35230
2.4A
Max 1.3A
(Option:LNB)
PCB_GND and A_GND are connected
2010.11.02
Содержание 42LW5700
Страница 54: ......
