Read Panasonic DMP-BDT130EE / DMP-BDT330EE Service Manual online
50
11.4. Digital (Front End Section) Circuit Block Diagram
B16
RFIN
A16
RFIP
B20
INA
A20
INB
B19
INC
A19
IND
A17
INE
D18
INF
C19
ING
C18
INH
LASER
DETECTOR
LASER
DETECTOR
LASER
DETECTOR
BD
CD
DVD
FO/TR
ACTUATOR
ACTUATOR
SPINDLE
MOTOR
MOTOR
OPTICAL PICK-UP/TRAVERSE
P55001
BD/DVD
RF SIGNAL
RF SIGNAL
DVD FOCUS AND TRACKING SIGNAL
BD FOCUS AND TRACKING SIGNAL
CD MAIN AND SUB SIGNAL
P55003
FOCUS/TRACKING ACTUATOR
BEAM EXPANDER
STEPPING
MOTOR
MOTOR
SPINDLE MOTOR DRIVE
STEPPING MOTOR DRIVE
IC51001
IC55003
(OPTICAL DISC CONTROLLER)
(MOTOR/PWM/DRIVER)
SODC
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
DMP-BDT130/131/230/233/234/235/330/335
DIGITAL (FRONT END SECTION) CIRCUIT BLOCK DIAGRAM
LD CONTROL SIGNAL
P55004
ENDDET
F/B
SSZ
W
V
U
MCOM
TRK+
TRK-
FCS+
TLT-
TLT+
SLED1+
SIMO
XFG
SCLK
FEGIO4
FEFMO
FETRAYPWM
FEGIO4
FEFMO
FETRAYPWM
LOAD+
RDY
STP1-
SIOV
XRSTIN
FEGIO0
VLDDIN
3.3V
SPM Logic
DAC PWM
SP
I
I/
F
SLED1-
SLED2+
SLED2-
FCS-
LOAD-
STP1+
BEMF
detector
detector
Digital core
pre-
driver
power
FET
SLED END
detection
STEP END
detection
DAC
PWM
PWM
DAC
PWM
PWM
DAC
PWM
DAC
PWM
PWM
DAC
PWM
PWM
DAC
PWM
PWM
DAC
PWM
PWM
DAC
SLD_ENA
TLT_ENA
TRK_ENA
STP_ENA
power
monitor
monitor
LOAD_ENA
F/B
F/B
F/B
F/B
F/B
SLD_ENA
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
FET
pre-
driver
power
FET
FET
pre-
driver
power
FET
pre-
driver
power
FET
TRAY Lock
detection
P12V
P3.3V
P5V
LD
select
select
ENDDET
ENDDET
SIOV
SOMI_HIZ
SIOV
XSLEEP
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
PUMP1
V
PUMP1
V
PUMP1
V
PUMP
V
PUMP2
V
PUMP2
V
PUMP2
V
PUMP2
V
PUMP2
14
15
16
SIMO
17
18
D7
C11
B11
FEFMO2
FEFMO2
A12
19
FEGIO0 C10
13
G_VWDC2O
21
VWDC2O C22
FEFG
12
FEFG C9
G_TRVA+
1
G_TRVA-
2
G_TRVB+
4
G_TRVB-
5
G_SA+
52
G_LDI_DVD
27
G_SA-
53
STP2-
STP2+
G_SB+
54
G_SB-
55
G_FO1+
36
G_FO1-
35
G_FO2+
39
G_FO2-
40
G_TR+
37
G_TR-
38
G_LDM+
29
G_LDM-
30
P55005
P55005
1
2
LOADING
MOTOR
MOTOR
G_U
47
49
G_V
45
G_W
43
LASER DIODE
DRIVE(LDD)
DRIVE(LDD)
LDD_AMODE
LDD_MSEL
G_LDI_CD
26
G_LDI_BD
25
V/I
V/I
V/I
ILDD_BD
ILDD_DVD
ILDD_CD
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