EUROCOM M770CU, Руководство по обслуживанию

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Schematic Diagrams
Power VGFX_CORE B - 43
B.Sch
e
m
a
tic D
iag
rams
Power VGFX_CORE
Sheet 42 of 55
Power VGFX_Core
GN D _ 8 29 1
P R 7 8
0 _ 0 6_ - U
P R 93 1 0 K _ 04 _ -U
5 V S
P R 97 1 0 K _0 4 _ -U
G N D _ 8 2 91
No te: All Groun ds Tied to ge ther at o utp ut Ca ps .
G N D _ 82 9 1 GN D _ 82 9 1 GN D _ 82 9 1 G N D _ 82 9 1
G N D _ 8 2 91
GN D _ 8 29 1
R N 45
8P 4R X0 _ 0 4_ -U
8 1
7 2
6
5 3
4
GF X _ I MO N 7
P D 1 3
F M5 8 2 2_ -U
A
C
3 . 3 V 4, 9 , 1 0 , 1 1, 3 7 , 4 0
P R 1 4 2 *N C _ 1 % _0 4
8 29 1 _ LD R
GP U V S S S E N S E 7
GP U V C C S E N S E 7
8 2 9 1_ H D R
8 29 1 _ B S T
8 29 1 _ R S N
D F G T_ V R _E N _ R
8 29 1 _ V I N
8 29 1 _ C O MP
8 29 1 _ V R E F
8 29 1 _ I MO N
8 29 1 _ C L K _ E N B
(0 .7 V~ 1. 77V )
82 9 1 _R S P
d istr ibute evenly betw een N side and S side,
p refe rably on sec ondary side .
8 29 1 _ C S P
8 29 1 _ V OV P
8 29 1 _ TE S T
8 29 1 _ V I D 0
8 29 1 _ V I D 5
8 29 1 _ V I D 6
8 29 1 _ V I D 1
8 29 1 _ C S N
GV
R
_
P
W
R
G
OO
D
8 29 1 _ S LE W
8 29 1 _ V D D A
8 29 1 _ V R _ T Tb
P Q3 6
I R F 7 83 2 _ - U
4
6
2
5 7
3 1
8
CLOSE TO U2 6
P C 5 7
1 U _ 10 V _ 0 6 _-U
P Q 3 5
I R F 8 71 4 _ -U
4
6
2
5 7
3 1
8
P L 1 0
B C I H P 1 0 40 - 1 R 0 M _-U
1 2
P Q3 7
*I R F 7 83 2
4
6
2
5 7
3 1
8
P C 1 20
1 U _ 1 0 V _ 06 _ -U
P R 73 1. 5 K _ 1 % _0 4 _ - U
3 .3 VS
P R 7 2
3. 9 K _ 1 % _0 4 _ - U
P C 5 6
*1 0 0P _ 5 0 V _ 04
P C 49
1 n _5 0 V _ 04 _ -U
P C 53
* 10 0 P _ 50 V _ 0 4
P C 50
2 2 P _5 0 V _ 0 4_ -U
P C 5 2
22 0 0 P _5 0 V _ 0 4_ -U
P C 51
3 . 3 n_ 5 0 V _0 4 _ -U
P C 5 8
2. 2 n _ 50 V _ 0 4 _-U
P R 14 8 2K _ 1 % _ 04 _ -U
P R 1 4 6
2K _1 % _ 04 _ -U
P R 81 22 _ 1 %_ 0 4 _-U
P R 96 10 K _ 1 % _0 4 _ -U
P R 1 4 9
0_ 0 4 _-U
P R 7 9
27 . 4 K _ 1% _ 0 4_ -U
P R 8 6
60 . 4 K _ 1% _ 0 4 _-U
P R 94
9 0 . 9K _ 1 % _ 04 _ -U
P R 1 5 0
1 0 K _1 % _ 04 _ -U
P R 8 4
15 K _ 1 %_ 0 4 _- U
8 2 91 _ V R E F
PC
1
1
4
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01U
_16
V
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P C 6 1
. 1U _ 50 V _ 0 6_ -U
P D 7
F M0 5 4 0-N _ -U
A
C
PC
1
12
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_5
0
V
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0
6
P J 1 0
O P E N _ 8 A
1
2
P C 6 0
. 1U _ 50 V _ 0 6 _-U P C 4 8
1 5 n _2 5 V _ 0 6_ -U
P C 5 9
*. 1 U _ 5 0 V _0 6
8 29 1 _ V B T
P C 6 4
1
n_
5
0V
_0
4_-
U
P R 1 43
2 6. 1 K _ 1 % _0 4 _ -U
P C 6 5
10
n_5
0V
_0
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+
PC
63
22
0U
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P C 6 6
10
n_5
0
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PC
12
1
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0
1U
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_0
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PC
12
2
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1U
_16V
_04
V I N
V G F X _ C O R E
P U 3
O Z8 29 1_- U
VI
N
3
DS
L
P
4
VI
D
0
5
VI
D
2
7
VI
D
3
8
V D D P
13
PG
6
19
HD
R
17
B S T
16
LX
18
SL
EW
21
V D D A
28
I MON
27
L D R
14
V I D 5
10
V R E F
31
V B T
32
V R _ ON
12
OV
P
1
R S N
26
CO
M
P
20
GN D P
15
C L K _ E N B
30
V I D 6
11
RS
P
24
V I D 4
9
TS
E
T
2
VI
D
1
6
V R _ T Tb
29
R S P _ L L
25
CS
P
22
CS
N
23
GN
D
A
33
5 VS
VIN
G F X V R _ D P R S L P V R 7
3. 3VS
5V S
5 VS
8 29 1 _ V I D 2
8 29 1 _ R S P
VGFX_CORE
R T 2
1 00 K _ 5 % _0 6 _ N T C _ - U
1 2
P R 1 4 1
1 5K _1 % _ 04 _ -U
8 29 1 _ V I D 3
P R 14 4
5 1 _ 1% _ 0 4 _- U
8 29 1 _ V I D 4
P R 7 1
1 0 _ 04 _ -U
82 9 1 _C S P
82 9 1 _C S N
P R 7 7
1 0 _ 04 _ -U
P R 7 6
3 . 9 K _ 1 %_ 0 4 _-U
P R 6 9
0 _ 0 4_ - U
P R 8 3
*1 4 . 7 K _1 % _ 0 4
P R 1 4 5
*2 . 2 _ 06
P C 1 1 9
*22
00
P
_
50V
_0
6
P R 9 8
4 . 7 K _ 04 _ -U
82 9 1 _R S N
8 2 9 1_ L X
D F G T _V I D _ 0 7
D F G T _V I D _ 4 7
D F G T _V I D _ 3 7
D F G T _V I D _ 2 7
D F G T _V I D _ 1 7
D F G T _V I D _ 6 7
D F G T _V I D _ 5 7
P J2 1 4 0 mi l
1 2
P R 8 8
*3 2 m il _ sh o rt
G N D _ 8 2 91
5 V S 1 2, 2 0 , 2 3 , 27 , 3 1 , 33 , 3 5 , 3 7, 4 3 , 4 6
V G F X_ C O R E 7
V I N 1 2, 3 3 , 3 7 , 38 , 3 9 , 40 , 4 1 , 4 3, 4 4 , 4 5
G N D _ 8 2 91
3 . 3 V S 2 , 1 0 , 11 , 1 2 , 1 3, 1 4 , 2 0, 2 1 , 2 2 , 23 , 2 4 , 25 , 2 6 , 2 7, 2 9 , 3 0, 3 1 , 3 2 , 33 , 3 5 , 36 , 3 7 , 4 3, 4 4 , 4 6
3. 3 V
GP U
P R 9 5
N C _0 4 _ -U
G N D _8 2 9 1
G N D _8 2 9 1 G N D _8 2 9 1
R N 46
8P 4R X0 _ 0 4_ -U
8 1
7 2
6
5 3
4
P
C
1
13
4.
7U
_25
V
_0
8
_-
U
P
C
11
6
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7U
_25
V
_08
PJ4 FOR CV? ? ?
P J 4 40 m i l
1 2
1 . 5 V 4, 9 , 1 0 , 1 1, 3 7 , 4 0
P
C
11
5
4.
7U
_2
5V
_08
_-
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D F G T _ V R _ E N 7
G N D _ 8 2 91
GN D _ 8 29 1