MEX-DV150UE/DV1500U/DV1505U
MEX-DV150UE/DV1500U/DV1505U
22
22
5-5. SCHEMATIC DIAGRAM - SERVO Section (2/3) -
• See page 32 for Waveforms. • See page 39 for IC Pin Function Description.
X1
C41
FB1
0
FB1
1
FB1
2
FB1
3
FB1
4
C37
C33
C35
C34
FB4
RB118
RB117
RB116
RB115
RB110
L4
FB8
L3
FB1
FB5
FB7
FB19
FB15
FB26
FB29
C46
C39
C64
C78
C111
C108
C107
C106
C102
C98
C74
C77
C117
C115
C48
C57
C55
C53
R94
C69
C67
C104
C84
C72
R59
C49
C50
IC17
C91
C51
R52
C45
R43
R42
C30
C27
R40
R39
C26
C25
R160
R70
R69
R63
R62
R60
R41
C29
R44
C32
R54
R50
C73
R57
R1
1
4
R159
R167
R122
R1
16
C85
C82
R48
C83
R188
R189
R131
R132
R124
R192
R13
0
R12
9
FB23
R92
FB6
R96
C66
C118
C113
R45
FB3
C43
FB2
R53
C119
RB114
RB113
RB112
RB111
27MHz
0.001
C31 18p
C36 18p
C42 0.001
0
0.001
0.001
0.001
0.001
33
33
33
33
100
0
0
0
0
0
68
0
0.1
C47
0.01
0.1
C40
0.01
0.1
C63
0.01
C59
0.1
C58
0.01
0.01
C79
0.1
C87
0.1
C89
0.01
0.1
0.01
C110 0.01
C109 0.1
0.1
0.1
0.1
C103 0.1
C101 0.1
C100 0.1
0.01
C99 0.1
0.01
C75
0.1
0.01
C76
0.1
C81
0.1
C80
0.01
0.1
C116
0.1
0.1
C114
0.01
0.1
C38 0.1
0.1
C52
0.001
C54
0.001
C56
0.001
0.1
0.1
1M
15p
15p
0.1
C105 0.01
0.1
0.001
C71
0.1
3k
0.1
0.1
C68
0.01
C70
0.1
S-1206B33-U3T1G
0.1
0.1
100k
0.1
220k
12k
330p
0.0022
15k
220k
0.0022
330p
100
300
300
R73
300
300
300
300
12k
0.001
1k
0.1
100k
100k
0.01
100
100
100
100
100
4.7k
0.1
0.01
10k
47
4V
4.7k
4.7k
FB3
3
0
100
0
1k
0
0
0
0
1.2k
0
4.7k
0.1
47
4V
0.1
C112
0.1
1k
0
0.1
C44
0.01
0
10k
47
4V
100
100
100
100
SDRAM_ADD
SDRAM_DAT(15:0)
SDRAM_CNT
MEMADD(20:0)
MEMDAT(15:0)
MEMCS0
MEMRD
MEMWR
SDRAMGND
SDRAMVDD
FG
DRV_XSTBY
FR_DRV
STA
STB
SP_DRV
TR_DRV
DR_VREF
MODE_SW
OP_GAIN
DVD_LD
CD_LD
PD
VREF
D
E’
F’
GND
C
B
A
A+3.3V
RFN
RFP
HOME
A+5V
VGND
A+5V
DGND
DUP
A
VID
MEMA
DD0
MEMA
DD1
MEMA
DD2
MEMA
DD3
MEMA
DD4
MEMA
DD5
MEMA
DD6
MEMA
DD7
MEMA
DD8
MEMA
DD9
MEMA
DD10
MEMA
DD1
1
MEMA
DD12
MEMADD13
MEMA
DD14
MEMA
DD15
MEMADD16
MEMA
DD17
MEMA
DD18
MEMADD19
MEMADD20
MEMDA
T0
MEMDA
T1
MEMD
AT
2
MEMDA
T3
MEMDA
T4
MEMDA
T5
MEMDA
T6
MEMDA
T7
MEMDA
T8
MEMDA
T9
MEMDA
T10
MEMDA
T1
1
MEMD
AT
1
2
MEMDA
T13
MEMDA
T14
MEMDA
T15
TD0
TXD
RD0
RXD
RES
ET
AMUTE
REQ
EN
MD
MC
RAMADD11
RAMADD9
RAMADD10
RAMADD8
RAMADD0
RAMADD7
RAMADD1
RAMADD6
RAMADD2
RAMADD5
RAMADD3
RAMADD4
RAMCKE
RAMPLCK
RAMDQM
RAMWE
RAMCAS
RAMRAS
RAMCS1
RAMBA0
RAMCS0
RAMDATA0
RAMDATA15
RAMDATA1
RAMDATA14
RAMDATA2
RAMDATA13
RAMDATA3
RAMDATA12
RAMDATA4
RAMDATA11
RAMDATA5
RAMDATA10
RAMDATA6
RAMDATA9
RAMDATA7
RAMDATA8
AOUT0
ABCLK
ALRCLK
AMCLK
ML
V_COMP
(2/3)
+3.3V REGULATOR
C65
0.001
FB31
0
FB3
2
0
FB23
L6
0
R121
0
D+3.3V
D+1.8V
3
2
1
4
R174 0
R173 0
R193 0
R194
15k
R195
15k
CN7
3P
1
2
3
USB_D+
USB_D-
USB_GND
Note:
Note: IC4 cannot exchange with single. When this part is damaged, exchange the entire mounted board.