Block Diagram - Kenwood DVF-3080-S Service Manual

2. Power(SMPS) Block Diagram
3. SERVO Block Diagram
DVDLD,CDLD,CD_DVD
DVDMDI.CDMDI
SVREF21
PICK
UP DVD:A,B,C,D,RFO
CD:A,B,C,D,E,F,RFO
SPINDLE+,SPINDLE-
MD
SLED+,SLED-
LOAD+,LOAD-

BLOCK DIAGRAM

RECTIFIER(FLD)
RECTIFIER(14V)
RECTIFIER(3.8V)
RECTIFIER(10V)
RECTIFIER(5.2V)
FEED B.
FOCUS+,FOCUS-
TRACK+,TRACK-
IC201
IP4504
Motor Driver
OPENSW,CLOSESW,LIMITSW
DVF-3080-S/8100
LPF
LPF
LPF
LPF
IC501
ALI M3355
DVDPLAYER
COMBO
CHIP
SLEGP,SPINDLE
FOCUS,TRACK
MD[0:15]
DRVSB,CLOSE
OPEN,SVREF15
IC503
64M
SDRAM
MULTI
REG.
PWR CTL
ROMDATA[0:7]
ROMAD[0:21]
FLASH
ROMRD
ROMWR
ROM
IIC/VFD/DAC_SCK
IIC/VFD/DAC_TXD
EEP
ROM
MA[0:11]
DQM
CLK
CS
CAS
RAS
WE
VF+
VF-
-23VA
12V
1.8V
3.3V
8VT
5.2VA
5VD
5