Schematic Diagram - Servo Section (2/4) - Sony MEX-DV1000 Service Manual

5-7. SCHEMATIC DIAGRAM – SERVO Section (2/4) –
(2/4)
A+5V
VGND
(Page 26)
A+5V
HOME
REP
RFN
C42
0.001
A
B
A+3.3V
C
GND
D
VREF
R30
0
PD
CD_LD
DVD_LD
(Page
24)
OP_GAIN
MODE_SW
DR_VREF
C30 330p R39 220k
TR_DRV
C29 0.001 R40 15k
SP_DRV
C27 0.0022 R41 12k
STB
C26 0.0022 R42 12k
STA
C25 330p R43 220k
FR_DRV
RD0
TD0
RXD
TXD
DRV_XSTBY
FG
REQ
EN
DUP
C119
(Page 26)
47
4V
MEX-DV1000/DV2000
• See page 37 for Waveforms.
FB28
+3.3V REGULATOR
C60
47
L6 4V
0
R73
300
R72
0
C41 0.001
RFP
RFN
C37 0.001
G
A
C49 0.1
AVDD1_DVDAFE
B
FB2 FB1
SVDD_DVDAFE
0 0
AVDD_DVDAFE
C
C33 0.001
H
D
C35 0.001
J
C50 0.1
AGND_DVDAFE
E
C34 0.001
K
F
C51 0.1
VC
C45 0.1 R52 100k
VBGAP
RESOUT
R48 R53
CD_MD
10k 10k
DVD_MD
CD_LD
DVD_LD
C46
AGNDREF_DVDAFE
0.1
AGND1_DVDAFE
VDDC
NOT USED
GNDC
OP_GAIN
CD_DVD
VDDP
C39
NOT USED
0.1
GNDP
NOT USED
C32 R45
0.1 1k
NOT USED
VDDIP
FB3 R44
NOT USED
0 1k
NOT USED
TR_DRV
C43
NOT USED
0.1
GNDPWN
SP_DRV
C38 0.1
VDDPWM
STB
STA
R54 100k
FO_DRV
FB26 0
DUPRD0
R56 100
DUPTD0
FB29 0
DUPRD1
R57 100
DUPTD1
R124 R50
NOT USED
1k 100k
DRV_XSTBY
VDDP
R188 4.7k
FG
R131 100
REQ
R132 0
EN
NOT USED
NOT USED
R49 0
SSCREQ
R51 0
SSCEN
NOT USED
NOT USED
NOT USED
GNDP
R66 100
• See page 46 for IC Pin Function Description.
IC5
MM3123DPLE
O I
G
C61 C62
0.1 0.1
FB6 C66
0 0.1
FB23 C69 X1 R92
0 10p 27MHz 1.2k
R96
4.7k
C67
FB5 8p
0
C75
0.1
DVD PROCESSOR
IC4
ZR36886HLCG-SA
25 25
MEX-DV1000/DV2000
FB16
AOUT1
AOUT1
FB18
AOUT2
AOUT2
NOT USED
R159 100 MD
IDGPCIO0
R167 100 MC
ICGPCIO0
GNDP
NOT USED
C99 0.1
VDDP RB118
33 RAMDATA0
RAMDAT0
RAMDATA15
RAMDAT15
RAMDATA1
RAMDAT1
RAMDATA14
GNDP
RB117
RAMDAT14
33
RAMDATA2
RAMDAT2
RAMDATA13
RAMDAT13
RAMDATA3
C115
VDDP
0.1
RAMDATA12
RAMDAT3
GNDC
RAMDAT12
VDDC
RB116
RAMDAT4
33
C101 0.1 RAMDATA4
GNDP
RAMDATA11
RAMDAT11
RAMDATA5
RAMDAT5
RAMDATA10
RAMDAT10
C103 0.1
RB115
VDDP
33
RAMDATA6
RAMDAT6
RAMDATA9
RAMDAT9
RAMDATA7
RAMDAT7
RAMDATA8
GNDP
RAMDAT8
FB19 0 C104 0.1
VDDPCLK
FB15 68 RAMPLCK
PLCK
RB114
GNDPCLK
47
RAMDQM
RAMDQM
RAMWE
RAMWE#
C107 0.1 RAMCAS
VDDP
RAMRAS
RAMCAS#
RAMRAS#
RB113
RAMCS1
47
RAMCS1
GNDP
RAMBA0
RAMBA0
RAMCS0
RAMCS0
RAMADD11
RAMADD11
C109
VDDP
0.1
RB112
RAMADD9
47
RAMADD9
GNDC
RAMADD10
RAMADD10
RAMADD8
VDDC
RAMADD0
RAMADD8
GNDP
RB111
RAMADD0
47
RAMADD7
RAMADD7
RAMADD1
RAMADD1
RAMADD6
C111 C117
VDDP
0.1 0.1
RAMADD2
RAMADD6
RAMADD5
RAMADD2
RAMADD3
RAMADD5
RAMADD4
RAMADD3
RB110
RAMADD4
47
R192 0
GND
R193
NOT USED
C118 0
47
NOT USED
4V
VDD
C113
0.1
L3
0
R160
100
RAMCKE
L4
2.2µH
Note: IC4 cannot exchange with single. When IC4 is dam-
aged, exchange the entire mounted board.
VID
A
(Page 26)
DGND
SDRAMVDD
D+3.3V
D+1.8V
(Page 26)
SDRAMGND
SDRAMVDD
SDRAM_DAT(15:0)
SDRAM_CNT
SDRAM_ADD
MEMADD(20:0)
MEMCS0
MEMRD
MEMDAT(15:0) (Page 27)
MEMWR
MEMCS1