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IC50001
DIGITAL P.C.B. (Optical Disc Controller) SODC Optical Pick-up/Traverse
BSMD G30
P50001
NBSMD G29
PKMD F30
Modulation Signal
NPKMD F29
PK2MD E30
NPK2MD E29
IC50002
(DVD Drive Front End Processor) FEP
PK3MD D30
NPK3MD D29 IREAD
24 SPINDLE
IWRT1 Laser Diode
LDD serial I/F clock LSCK Laser Power 25 MOTOR
LSCK T28 47 Control DAC IWRT2 Drive
26 (LDD)
IWRT3
LDD serial I/F data LSDAT 27
LSDAT U28 46
FO/TR
Actuator
SEN RFA
SEN N30 52 87
DVD
SCK RFB RF Signal
SCK P28 53 88
Serial I/F LOGIC
SDAT
SDAT T29 54 Laser
Serial I/F DVD
RSEN
RSEN P25 56 Detector
AIN
101
RSDAT
RSDAT R30 57
BIN
PIO4 102
SPHIN 11 DVD tracking signal
CIN
103
RFIN1
79
DIN
RFEQ 104
RFIN2
78 Input
Selector Laser
CD
Detector
RFOUT
83 RFGene
EIN
106
FIN
SH5 G27 44 SH5 107
SH1 N27 Sample and hold 42 SH1 CD main and sub signal
GIN
SH2 R28 timing signal 109
SH3 P30 40 SH3
HIN
110
BDO BDO
U30 36 BDO
DIGITAL BLOCK
BACK END S/H & VGA
SECTION Off-track signal OFTR
N29 35 OFTR
Servo
Track cross signal TC Focus Error
H27 33 TEC Tracking Error
IC50003
(Motor/PWM/Driver)
VPUMP
Focus2(PWM+) IN1A FO1
PWM0A L25 34 Pre- 32
Focus2(PWM-) IN1B Logic DMOS RO1
PWM0B L30 35 Drive 31
VPUMP
Focus(PWM+) IN2A FO2
PWM1A L26 36 Pre- 30
Focus(PWM-) IN2B Logic DMOS RO2 Focus/Tracking Actuator
PWM1B M28 37 Drive 29
VPUMP
Tracking(PWM+) IN3A FO3
PWM2A L27 21 Pre- 27
Tracking(PWM-) IN3B Logic DMOS RO3
PWM2B M29 22 Drive 26
SPHIN
18
VH FP50003
40
HH
Hall 41
Amp (HW/HV/HU)
Matrix HL
43
Upper A1
48
Pre-
Distribution Drive DMOS A2
3-phase 53 Spindle motor drive
circuit Lower Bridge
Pre- A3
Drive 55
Stepping
FOST1 FP50002 Motor
Traverse(PWM+)/Stepper1 INST1 Pre- 2
PWM3A M25 12 Logic DMOS ROST1
Drive 3
Stepping motor drive
FOST2
Traverse(PWM-)/Stepper2 INST2 Pre- 5
PWM3B M30 13 Logic DMOS ROST2
Drive 6
FP50004
Loading drive (ECLD) INLO FOLO LM-
PWM4 M26 20 Pre- 25
Logic DMOS ROLO LM+
Drive 24
Loading
OSC Motor
DMR-EH76EC,EX86EB/EC,EX96CEG
Digital P.C.B. Front End Section Block Diagram