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5-5.
SCHEMATIC DIAGRAM - MAIN Board (3/7) -
1
2
MAIN BOARD
(3/7)
A
B
STB_3.3V
C
USB_EN
USB_FAULT
U10
U10
STB_5V
G556B1-P1U
G556B1-P1U
USB_5V_IN
7
IN
1
USB_EN
EN1
OUT1
2
USB_FAULT
/OC1
OUT2
3
/OC2
GND
4
EN2
D
U12
U12
NC/MP6515
NC/MP6515
USB_5V_IN
1
IN
OUT
2
GND
ILIM
3
/EN
/FAULT
STB_3.3V
R103
R103
NC/4.7K
NC/4.7K
R160
R160
CD MODE USE U10
NC/10K
NC/10K
Q9
Q9
USB_EN
NC/NPN_3DG3904M
NC/NPN_3DG3904M
DVD MODE USE U12
C105
C105
R106
R106
NC/100K
NC/100K
E
USB POWER SWITCH
HCD-ECL5
3
4
SDRAM
U8
U8
MA0
23
2
DQ7
A0
DQ0
MA1
24
4
DQ6
A1
DQ1
MA2
25
5
DQ5
A2
DQ2
MA3
26
7
DQ4
A3
DQ3
MA4
29
8
DQ3
A4
DQ4
MA5
30
10
DQ2
A5
DQ5
MA6
31
11
DQ1
A6
DQ6
MA7
32
13
DQ0
A7
DQ7
MA8
33
42
DQ8
A8
DQ8
MA9
34
44
DQ9
A9
DQ9
22
45
MA10
DQ10
A10/AP
DQ10
35
47
MA11
DQ11
A11
DQ11
DBA0
20
48
DQ12
BA0/A13
DQ12
DBA1
21
50
DQ13
BA1/A12
DQ13
51
DQ14
DQ14
SDCLK
38
53
DQ15
CLK
DQ15
37
SD33
CKE
SD33
19
1
CS
VCC
DRAS#
18
14
RAS
VCC
DCAS#
17
27
CAS
VCC
DWE#
16
SD33
WE
3
VCCQ
DQM0
15
9
DQML
VCCQ
DQM1
39
43
DQMH
VCCQ
49
VCCQ
36
NC
40
6
NC
VSSQ
12
VSSQ
54
46
VSS
VSSQ
41
52
VSS
VSSQ
28
VSS
SDRAM_64Mb_M12L64164A-7T
SDRAM_64Mb_M12L64164A-7T
USB_VCC1
C34
C34
0.1uF/50V/X7R
0.1uF/50V/X7R
100pF/50V/NP0
100pF/50V/NP0
USB_VCC1
8
5
USB_VCC2
6
CB2
CB2
CB3
CB3
+ +
+ +
CE14
CE14
CE13
CE13
220uF/16V
220uF/16V
220uF/16V
220uF/16V
USB_VCC1
DVD MODE DON'T USE
6
USB_VCC2
5
R102
R102
4
NC/15K/1%
NC/15K/1%
USB_FAULT
C102
C102
C35
C35
0.1uF/50V/X7R
0.1uF/50V/X7R
100pF/50V/NP0
100pF/50V/NP0
5
6
SD33
DQ[0..15]
DRAS#
RAS#
(2)
DQ[0..15]
D
W
E
#
W
E
#
(2)
MA[0..11]
MA[0..11]
(2)
BA[0..1]
BA[0..1]
D
C
A
S
#
C
A
S
#
(2)
DQM[0..1]
DQM[0..1]
(2)
DCLK
DCLK
D
B
A
0
B
A
0
(2)
CAS#
CAS#
D
B
A
1
B
A
1
(2)
RAS#
RAS#
(2)
WE#
WE#
S
D
C
L
K
D
C
L
K
RES_SWITCH
DRAM
XP7
XP7
R771
R771
0
0
4PIN/2.0mm
4PIN/2.0mm
1
1
NC/FL2
NC/FL2
2
2
DM
2
4
3
3
1
3
4
DP
4
R772
R772
0
0
C101
C101
USB PORT
DVD MODE USE
DVCC3
1
1
FB17 500/500mA
FB17 500/500mA
2
2
LN_DM
3
3
LN_DP
4
4
C103
C103
5
Ipod_Det
5
0.1uF/25V/Y5V
0.1uF/25V/Y5V
XP8
XP8
5PIN/2.0mm
5PIN/2.0mm
U13
U13
10
OE
DP
9
HSD2+
DM
8
HSD2-
LN_DP
7
HSD1+
LN_DM
6
HSD1-
SGM7227
SGM7227
21
21
7
8
9
S=1:2 ON 1 OFF
S=0:1 ON 2 OFF
VCC_D
DVCC3
R92
R92
U9
U9
75K/1%
75K/1%
VDET=2V
R93
R93
49.9K/1%
49.9K/1%
1
7
DP
D+
HSD2+
R91
R91
49.9K/1%
49.9K/1%
2
6
DM
D-
HSD2-
VDET=2.68V
RSW_EN
R90
R90
43.2K/1%
43.2K/1%
NX3DV42GU
NX3DV42GU
R94
R94
10K
10K
VCC_D
DVD MODE DON'T USE
R506
R506
NC/0
NC/0
R507
R507
NC/0
NC/0
S=1:2 ON 1 OFF
S=0:1 ON 2 OFF
C104
C104
TP40
TP40
TP41
TP41
R104
R104
10K
10K
1
VCC
2
R105
R105
1K
1K
USBSW_SEL
S
3
D+
USB_DP
D+
4
D-
USB_DM
D-
5
GND
USB SWITCH
HCD-ECL5
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