41
8.6.
Digital (Front End Section) Block Diagram
P11
P12
P13
P14
162
RFA
163
RFB
169
AIN
170
BIN
171
CIN
172
DIN
173
EIN
174
FIN
175
GIN
176
HIN
PWM1A
PWM1B
PWM0A
PWM0B
PWM2A
PWM2B
PWM3A
PWM3B
P15
167
VHALFOUT
PWM4
P14
P13
P12
FG
117
P30
LASER
DETECTOR
LASER
DETECTOR
LASER
DETECTOR
BD
CD
DVD
FO/TR
ACTUATOR
SPINDLE
MOTOR
OPTICAL PICK-UP/TRAVERSE
FP101
BD/DVD
RF SIGNAL
DVD FOCUS AND TRACKING SIGNAL
BD FOCUS AND TRACKING SIGNAL
CD MAIN AND SUB SIGNAL
FOD1+
FOD1-
FOD2+
FOD2-
TRD+
TRD-
STEPDA
STBY
STEPDB
EC_LD
FG
TSDWRN
FP104
(HW/HV/HU)
FOCUS/TRACKING ACTUATOR
BEAM EXPANDER
STEPPING
MOTOR
SPINDLE MOTOR DRIVE
STEPPING MOTOR DRIVE
IC301
(OPTICAL DISC CONTROLLER)
SODC
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
SERVO BLOCK DIAGRAM
DMP-BDT300GA/GC/GN/PU
LASER DIODE
DRIVE(LDD)
LDD CONTROL SIGNAL
FP103
20
26
27
IN1A
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
G_FCS2-
G_FCS1-
G_TRK+
G_TRK-
G_A+
G_A-
G_B+
G_B-
G_TRVA-
G_TRVB-
G_U+
G_U-
G_LDM-
G_LDM+
G_U
G_V
G_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
5
4
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
FP102
LOADING
MOTOR
12V
12V
12V
5V
IC401
(MOTOR/PWM/DRIVER)
43
42
46
47
24
25
28
29
30
40
31
32
47
46
42
37