55
11.5. Digital (Front End Section) Block Diagram
19
RFIN
18
RFIP
6
INA
5
INB
8
INC
7
IND
12
INE
11
INF
9
ING
10
INH
LASER
DETECTOR
LASER
DETECTOR
LASER
DETECTOR
BD
CD
DVD
FO/TR
ACTUATOR
SPINDLE
MOTOR
OPTICAL PICK-UP/TRAVERSE
J55001
BD/DVD
RF SIGNAL
DVD FOCUS AND TRACKING SIGNAL
BD FOCUS AND TRACKING SIGNAL
CD MAIN AND SUB SIGNAL
J55004
FOCUS/TRACKING ACTUATOR
BEAM EXPANDER
STEPPING
MOTOR
SPINDLE MOTOR DRIVE
STEPPING MOTOR DRIVE
IC52000
IC55001
(OPTICAL DISC CONTROLLER)
(MOTOR/PWM/DRIVER)
SODC
RF SIGNAL
MOTOR DRIVE SIGNAL
TRACKING ERROR SIGNAL
FOCUS ERROR SIGNAL
SERVO BLOCK DIAGRAM
LD CONTROL SIGNAL
J55002
ENDDET
F/B
SSZ
W
V
U
MCOM
TRK_P
TRK_N
FCS_P
TLT_N
TLT_P
SLED1_P
SIMO
XFG
SCLK
FEGIO4
FEFMO
FETRAYPWM
FEGIO4
FEFMO
FETRAYPWM
LOAD_P
RDY
STP1_N
SIOV
XRSTIN
FEGIO0
VLDDIN
PW_3.3V
SPM Logic
DAC PWM
SP
I
I/
F
SLED1_N
SLED2_P
SLED2_N
FCS_N
LOAD_N
STP1_P
BEMF
detector
Digital core
pre-
driver
power
FET
SLED END
detection
STEP END
detection
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
DAC
PWM
DAC
SLD_ENA
TLT_ENA
TRK_ENA
STP_ENA
power
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
pre-
driver
power
FET
pre-
driver
power
FET
pre-
driver
power
FET
TRAY Lock
detection
P12V
P3.3V
P5V
LD
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
49
39
34
FEFMO2
FEFMO2
35
19
FEGIO0 43
13
G_VWDC2O
21
VWDC2O 252
FEFG
12
FEFG 41
1
TPIC_A-
2
4
TPIC_B-
5
TP
52
CD_LD
27
TPIC_CO_A-
53
STP2_N
STP2_P
TP
54
TPIC_CO_B-
55
TP
36
TPIC_TILT-
35
39
TPIC_FR-
40
37
TPIC_TR-
38
T
29
TPIC_LDM-
30
J55003
J55003
1
2
LOADING
MOTOR
TPIC_U
47
49
TPIC_V
45
TPIC_W
43
LASER DIODE
DRIVE(LDD)
LDD_AMODE
LDD_MSEL
DVD_LD
26
BD_LD
25
V/I
V/I
V/I
ILDD_BD
ILDD_CD
ILDD_DVD
DMP-
BDT160GA/GN/GW/
DMP-
BDT161GC
DMP-
BD91GN
DMP-
BD81GA/GC/GN/GT/PU
Summary of Contents for DMP-BD81PU
Page 2: ...2 ...
Page 3: ...3 ...
Page 8: ...8 2 2 Precaution of Laser Diode ...
Page 18: ...18 5 Location of Controls and Components ...
Page 40: ...40 9 2 5 Grease ...
Page 44: ...44 9 3 3 How to Clean the Lens of Optical Pick UP ...
Page 45: ...45 9 4 Adjustment of BD Drive 9 4 1 Repair Flowchart ...
Page 49: ...49 10 1 2 Checking and Repairing of BD Drive and Digital P C B ...
Page 59: ...Model No DMP BD91GN 81PU 81GA 81GC 81GN 81GT BDT160GA 160GN 160GW BDT161GC PART LIST NOTICE ...
Page 60: ...Model No DMP BD91GN 81PU 81GA 81GC 81GN 81GT BDT160GA 160GN 160GW BDT161GC ABBREVIATION ...
Page 79: ...Model No DMP BD91GN 81PU 81GA 81GC 81GN 81GT BDT160GA 160GN 160GW BDT161GC Exploded View ...
Page 80: ...Model No DMP BD91GN 81PU 81GA 81GC 81GN 81GT BDT160GA 160GN 160GW BDT161GC Mechanism View ...
Page 81: ...Model No DMP BD91GN 81PU 81GA 81GC 81GN 81GT BDT160GA 160GN 160GW BDT161GC Packing View ...