ALPINE MMD-574 Service Manual SCH 01 Power Connector
Audio PLL +3.3V
Video DAC +3.3V
PLL+3.3V
(PLL bypass)
RF +3.3V
3 mA
E9
22UF6.3V
PLL3.3V
RFGND
+
VGND
E16
22UF6.3V
C87
104
RFGND
R45
2.2
VVCC3
RF3.3V
C75
104
APLLVCC3
R50
1
C69
104
USB_PLL3.3
+
GND
VCC3
RFGND
MGND
R39
390
GND
AGNDDA_GND
U4
B1117-3.3V
2
C8
102
U6
B1117-ADJ
2
OUT
DVCC
R53
2K2
R53
2K2
VGND
AGND
GND
DVCC3
+
R51
*
+ E22
22UF6.3V
SD_VCC3
C35
104
+ E20
100UF16V
GND
8202kernel+1.8V
R12
10
C7
104
E3
P+5V
A+5V
RFGND
100UF16V
L7
FB
+ E18
100UF16V
L9
FB
C11
102
R17
2.2
C73
104
GND
+ E17
C20
104
100uF10V
VCC1.8
+
GND
FROUT
FLOUT
VCC3
E21
100uF10V
FROUT
FLOUT
SDRAM +3.3V
34ma~58ma(64Mx1)
Flash +3.3V
L3
FB
+
ROM_VCC3
VideoPLL+1.8V
L8
FB
+5AVAA
C72
104
C14
104
R42
10
C63
104
VPLLVCC1.8
+
C13
104
E15
22UF6V3
R8
33
C6
104
GND
L4
FB
L5
FB
C4
104
E2
R14
22UF6.3V
0
RFGND
APC3.3V
C9
104
R59
R58
R57
R35
10K
10K
10K
10K
SD--------------2.80V
USB------------3.50V
SD+USB------2.27V
DVD-STBDVD-CLKDVD-D1
OUT
ADJ
1
3
IN
ADJ
1
R40
200
C201
R203
222
2K7
GND
C202
R204
222
2K7
IN
R207
1K
R54
R1
GND
220uF
DVD-D2
3
C50
0.1U
GND
E11
C107
R122
102
NC
C126
222
R121
NC
USB.DET
SENSE1(SD-CD)
R-OUT
L-OUT
去CPU检测脚
R304
10K
D3 D4
GND
NC-----------------5V
R302
22K
J3
P+5V
E19
C85
C94
104
100UF16V
102
GND
USB-UP
3
2
1
2
3
*
R100
47K
Q100
1
3
1
2
R102
9014
100K
R26
120
OP-SW
LO-SW
SW1
CL
R211
10
A9V
C205
104
GNDAGND
ACC
CL-SW
E203
100UF16V
IR
GNDA
RESET#
DVD-STB
DVD-D2
DVD-D1
DVD-CLK
J4
*
2
1
VOUT
L-OUT
R-OUT
IR_IN
USB.DET
VGND
VGND
AMUTE
SPDIF
P+5V
VGND
M-
M+
VFD_STB
VFD_DATA
AU_D2
VFD_CLK
VGND
VGND
CN1
1
14P
CN2
13
12
11
10
9
8
7
6
5
4
3
2
1
13P
HOP1200W-SUN P L US-8202D
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