25
6.6.
Digital (Front End Section) Block Diagram
IC55005
(Laser Diode Drive)
7
1
8
9
10
MON
LDON
SDIO
SCLK
SEN
11
LDOUT1
13
LDOUT2
15
LDOUT3
D30
PAD0
N30
P06
M31
P24
M32
P25
M33
P05
C33
RFA
B34
RFB
B32
AIN
A32
BIN
C31
CIN
B31
DIN
A31
EIN
C30
FIN
B30
GIN
A30
HIN
A24
PWM1A
C23
PWM1B
PWM0A
PWM0B
PWM2A
PWM2B
PWM3A
PWM5A
PWM3B
PWM6A
D23
A23
E23
B23
C24
B22
J34
SDAT
D24
A25
VHALF
E24
PWM4
M33
P05
M32
P25
M31
P24
B25
FG
H32
RSEN
LASER
DETECTOR
LASER
DETECTOR
LASER
DETECTOR
BD
CD
DVD
FO/TR
ACTUATOR
SPINDLE
MOTOR
OPTICAL PICK-UP/TRAVERSE
P55001
BD/DVD
RF SIGNAL
DVD FOCUS AND TRACKING SIGNAL
BD FOCUS AND TRACKING SIGNAL
CD MAIN AND SUB SIGNAL
20
IN1A
FOD1+
FOD1-
FOD2+
FOD2-
TRD+
TRD-
STEPDA
STBY
STEPDB
EC_LD
R_P05
R_P25
R_P24
FG
WRN
Logic
Logic
Logic
19
IN1B
22
IN2A
21
IN2B
18
IN3A
17
IN3B
13
IN47
16
VREF
7
STBY
12
IN58
Pre-Drive
Pre-Drive
Pre-Drive
DMOS
DMOS
DMOS
24
25
FO1
23
VM12A
FO2+
FO2-
FO1+
FO1-
TR+
TR-
SA+
SA-
SB+
SB-
TRVA+
TRVA-
TRVB+
TRVB-
LDM-
LDM+
U
V
W
LDM-
LDM+
RO1
26
27
FO2
RO2
Logic
Pre-Drive
DMOS
Pre-Drive
DMOS
Pre-Drive
DMOS
Pre-Drive
DMOS
29
30
FO3
RO3
35
VM5
31
FO7
32
RO7
33
FO8
34
RO8
41
VM12B
39
FO4
40
RO4
44
FO5
45
RO5
46
FO6
47
18
17
RO6
51
A1
5
HH
6
HL
54
VMSP2
VMSP1
55
52
A2
53
A3
48
RCS1
49
RCS2
56
CS
1
BC1
2
BC2
VPUMP
VPUMP
VPUMP
VPUMP
VPUMP
VPUMP
VM12A
VM12A
Logic
11
INS6
36
EN
37
CK
38
DAT
Logic
Logic
Pre-Drive
DMOS
VPUMP
Hall
Amp
Matrix
Serial
Input
Stand-by
(ALL)
MUTE
STATE OUTPUT
Thermal
Shut-Down
Charge
Pump
FG
Pre-Drive
DMOS
9
FG
8
ST
P55002
P55002
LOADING
MOTOR
(HW/HV/HU)
FOCUS/TRACKING ACTUATOR
STEPPING
MOTOR
SPINDLE MOTOR DRIVE
STEPPING MOTOR DRIVE
12V
12V
12V
5V
IC55006
(MOTOR/PWM/DRIVER)
D22
DIGITAL BLOCK
BACK END
SECTION
IC51001
(OPTICAL DISC CONTROLLER)
SODC
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
DIGITAL BLOCK DIAGRAM
(FRONT END SECTION)
DMP-BD65GN/PU/PX
DMP-BD45GA/GC/GN/GT/GW/PU