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11.5. Digital (Front End Section) Block Diagram
IC51001
SODC
(OPTICAL DISC CONTROLLER)
RFIN
G1
RFIP
G2
INA
C3
INB
B1
INC
C2
IND
C1
INE
E2
INF
E1
ING
D2
INH
D1
G_VWDC2O
VWDC2O
C6
FEGIO4
R6
FEGIO4
FETRAYPWM
FETRAYPWM
P2
FEFMO
N1
FEFMO
FEFMO2
N2
FEFMO2
3.3V
FEGIO0
FEGIO0
R2
FEFG
R1
FEFG
IC55003
(MOTOR/PWM/DRIVER)
V/I
V/I
V/I
V
PUMP2
DAC
pre-
PWM
STP_ENA
driver
LD
LDD_MSEL
select
DAC
pre-
PWM
driver
LDD_AMODE
VLDDIN
21
DAC
ENDDET
V
PUMP2
SSZ
14
SCLK
DAC
15
pre-
SIMO
PWM
driver
16
F/B
TLT_ENA
SIOV
V
PUMP2
SIMO
17
DAC
pre-
SOMI_HIZ
PWM
SIOV
driver
18
F/B
Digital core
V
PUMP2
XRSTIN
19
pre-
driver
F/B
DAC
V
PUMP
TRK_ENA
PWM
pre-
LOAD_ENA
driver
F/B
ENDDET
RDY
power
13
P3.3V
monitor
V
P12V
PUMP1
P5V
DAC
pre-
PWM
driver
F/B
SLD_ENA
ENDDET
V
PUMP1
SLD_ENA
DAC
pre-
PWM
driver
F/B
SIOV
XFG
12
XSLEEP
V
SPM Logic
PUMP1
DAC PWM
pre-
driver
FOCUS ERROR SIGNAL
G_LDI_DVD
ILDD_DVD
27
G_LDI_CD
ILDD_CD
26
LD CONTROL SIGNAL
ILDD_BD
G_LDI_BD
25
V
DD
STP1+
G_SA+
52
power
STP1-
G_SA-
FET
53
V
V
PUMP2
DD
STP2+
G_SB+
54
power
STP2-
G_SB-
FET
55
STEP END
detection
BEAM EXPANDER
V
DD
TLT+
G_FO1+
36
power
TLT-
G_FO1-
FET
35
V
DD
FCS+
G_FO2+
39
power
FCS-
G_FO2-
FET
40
V
DD
TRK+
G_TR+
37
power
TRK-
G_TR-
FET
38
V
DD
LOAD+
G_LDM+
P55005
LOADING
29
power
1
MOTOR
LOAD-
G_LDM-
P55005
FET
30
2
TRAY Lock
detection
V
DD
SLED1+
G_TRVA+
1
power
SLED1-
G_TRVA-
FET
2
SLED END
detection
V
DD
G_TRVB+
SLED2+
4
power
G_TRVB-
FET
SLED2-
5
MCOM
BEMF
49
detector
V
DD
G_U
U
47
power
G_V
V
45
FET
G_W
W
43
52
TRACKING ERROR SIGNAL
MOTOR DRIVE SIGNAL
OPTICAL PICK-UP/TRAVERSE
P55001
BD/DVD
RF SIGNAL
DVD FOCUS AND TRACKING SIGNAL
FO/TR
ACTUATOR
LASER
DVD
BD FOCUS AND TRACKING SIGNAL
DETECTOR
CD MAIN AND SUB SIGNAL
LASER
CD
DETECTOR
LASER
BD
DETECTOR
LASER DIODE
DRIVE(LDD)
FOCUS/TRACKING ACTUATOR
P55003
STEPPING MOTOR DRIVE
STEPPING
MOTOR
P55004
SPINDLE MOTOR DRIVE
RF SIGNAL
SPINDLE
MOTOR
DMP-BD79GA/GC/GN/GT/GW/PU/PH
SERVO BLOCK DIAGRAM
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