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8.4.
Digital (Front End Section) Block Diagram
IC51001
SODC
(OPTICAL DISC CONTROLLER)
PAD0
PAD0
D28
PAD3
PAD3
D25
P10
P10
E23
P11
P11
F23
SGIO0
SGIO0
F22
LPCO3
LPCO3
C24
LPC3
LPC3
D24
P36
P36
E22
RFA
C29
RFB
B30
INA
A29
INB
B28
INC
A28
IND
B27
INE
A27
INF
C26
ING
A26
INH
B26
P30
E19
PWM5A
C21
PWM6A
B21
VHALFIN
C20
VHALFIN
PWM7
A21
PWM7
DIGITAL BLOCK
BACK END
SECTION
PWM2A
PWM2A
B20
PWM0A
PWM0A
B19
PWM1A
F20
PWM1A
PWM3A
PWM3A
G21
PWM3B
PWM3B
F21
PWM4
PWM4
E21
PWM0B
G20
PWM0B
PWM1B
E20
PWM1B
FG
C19
FG
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Only for BDT110GC/GT/PU/PX
IC55003
(Laser Diode Drive)
6
IMON
7
VMON
LDOUT1
8
LDEN
LDOUT2
9
P1
10
P2
LDOUT3
Q55009
4
LDIN
5
PDOUT
Only for BDT110PU/PX
IC55005
(MOTOR/PWM/DRIVER)
A5V
STEP_ENA
P30
STP1 Control
7
STP1_IN
Pre-Driver
PWM5A
8
Circuit
AGND
NF
A5V
STP2 Control
PWM6A
STP2_IN
Pre-Driver
9
Circuit
AGND
Collimator END
NF
3.3V
12
Detectin
CONLLIENDZ
IC55004
(MOTOR/PWM/DRIVER)
VREF
6
VLOAD
Absolute/
19
Power MOS FET
PWM Control
Pre-Driver
Circuit
NF
VTRK
20
Absolute/
Pre-Driver
Power MOS FET
PWM Control
Circuit
NF
VFCS
Absolute/
21
PWM Control
Pre-Driver
Power MOS FET
Circuit
NF
Absolute/
VTLT
22
Pre-Driver
Power MOS FET
PWM Control
Circuit
NF
Absolute/
VSLED1
16
PWM Control
Pre-Driver
Power MOS FET
Circuit
NF
Absolute/
VSLED2
Power MOS FET
17
PWM Control
Pre-Driver
Circuit
NF
BEMF detect
Comparator
VSPIN
18
Matrix
Pre-Driver
Power MOS FET
XMUTE1
13
Start-up
Circuit
XMUTE2
Circuit
14
XFG
11
Charge
Pump
MONITOR
SLED END
Current Linmit
Detection
TSD Circuit
GC
15
Gain
Control
FOCUS ERROR SIGNAL
P55001
(BDT110PU/PX)
P55003
(BDT110GA/GC/GN/GT/GW)
G_LD1_DVD
17
G_LD1_CD
18
G_LD1_BD
19
IC55006
(Laser Diode Drive)
2
VO 3
VC
Only for BDT110GA/GC/GN/GT/GW
DVD FOCUS AND TRACKING SIGNAL
BD FOCUS AND TRACKING SIGNAL
CD MAIN AND SUB SIGNAL
STP1+
G_SB+
16
G_SB-
Power MOS FET
STP1-
17
STP2+
G_SA+
18
Power MOS FET
STP2-
G_SA-
19
P5V12L
31
12V
LOAD_P
LDM+
LDM+
LOADING
32
LOAD_N
LDM-
MOTOR
LDM-
33
TRK_P
G_TR+
29
TRK_N
G_TR-
30
P5V_1
26
5V
FCS_P
G_FO2+
27
FCS_N
G_FO2-
28
TLT_P
G_FO1+
24
TLT_N
G_FO1-
25
12V
SLED1_P
TRVA+
52
SLED1_N
TRVA-
53
SLED2_P
TRVB+
55
SLED2_N
TRVB-
56
MCOM
49
U
U
42
V
V
44
W
W
46
CP1
3
CP2
2
32
TRACKING ERROR SIGNAL
MOTOR DRIVE SIGNAL
OPTICAL PICK-UP/TRAVERSE
FO/TR
ACTUATOR
SPINDLE
BD/DVD
LASER
MOTOR
DVD
RF SIGNAL
DETECTOR
LASER
CD
DETECTOR
LASER
BD
DETECTOR
FOCUS/TRACKING ACTUATOR
STEPPING MOTOR DRIVE
STEPPING
MOTOR
SPINDLE MOTOR DRIVE
DMP-BDT110GA/GC/GN/GT/GW
DMP-BDT110PU/PX
SERVO BLOCK DIAGRAM
RF SIGNAL
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