S-8
S3.6. Digital (Front End Section) Block Diagram
C34
C33
C27
D23
PWM2B
PWM2A
PWM1B
PWM1A
PWM0B
PWM0A
AIN
BIN
PWM4
PWM3B
PWM3A
A23
A24
C23
E23
B23
E24
D24
C24
INST2
INST1
IN3B
IN3A
IN1B
IN1A
IN2B
IN2A
DMP-BD60GN/GA/GC/GZ/PU,
DMP-BD80GN
Digital Block Diagram (Front End Section)
LD CONTROL SIGNAL
P55002
P55001
ROLO
FOLO
ROST2
FOST2
ROST1
FOST1
A3
A2
A1
HL
HH
R03
F03
R01
F01
R02
F02
3
24
25
17
18
6
5
2
55
53
48
43
41
26
27
31
32
29
30
MOTOR
LOADING
RFB
RFA
IREAD
PO6
P24
P25
PO5
TRACKING(PWM-)
TRACKING(PWM+)
FOCUS1(PWM-)
FOCUS1(PWM+)
FOCUS2(PWM-)
FOCUS2(PWM+)
20
13
12
LOADING DRIVE (ECLD)
TRAVERSE(PWM-)/STEPPER2
TRAVERSE(PWM+)/STEPPER1
SODC
IC51001
(OPTICAL DISC CONTROLLER)
STEPPING MOTOR DRIVE
SPINDLE MOTOR DRIVE
(HW/HV/HU)
FOCUS/TRACKING ACTUATOR
CD
BLUE
DVD
CD MAIN AND SUB SIGNAL
SA DRIVE
DVD FOCUS AND TRACKING SIGNAL
BLUE FOCUS AND TRACKING SIGNAL
MOTOR
STEPPING
LM+
LM-
PP55002
OSC
INLO
LOGIC
LOGIC
LOGIC
DMOS
DMOS
DMOS
CIRCUIT
DISTRIBUTION
BRIDGE
3-PHASE
DMOS
DRIVE
PRE-
DRIVE
PRE-
DRIVE
PRE-
DRIVE
PRE-
LOWER
DRIVE
PRE-
UPPER
MATRIX
AMP
HALL
22
50
21
35
34
37
36
LOGIC
LOGIC
LOGIC
DMOS
DMOS
VPUMP
VPUMP
VPUMP
DRIVE
PRE-
DRIVE
PRE-
DRIVE
PRE-
DMOS
RF SIGNAL
BD/DVD
OPTICAL PICK-UP/TRAVERSE
(LDD)
DRIVE
LASER DIODE
DETECTOR
LASER
DETECTOR
LASER
DETECTOR
LASER
IC55005
(MOTOR/PWM/DRIVER)
IC55006
(SA DRIVER)
ACTUATOR
FO/TR
MOTOR
SPINDLE
OUT2B
OUT2A
PWM5A B22
DRIVE
IN2
PWM6A D22
DRIVE
IN3
B32
A32
CIN
DIN
C31
B31
EIN
FIN
A31
C30
GIN
HIN
B30
A30
DIGITAL BLOCK
BACK END
SECTION
M33
M32
M31
N30
SPHIN
BMS
45 STBY
18
11
13
21
4
OUT3B
OUT3A
19
5
17 WRN
14 FG
H32
J34
J33
RSEN
B25
FG
SDAT
SCK
M34
LSDAT
Содержание DMP-BD60GN
Страница 7: ...7 4 Specifications ...
Страница 8: ...8 ...
Страница 20: ...20 7 2 Adjustment of BDP Digital P C B Module 7 2 1 Repair Flowchart ...
Страница 21: ...21 7 2 2 Distinction Analysis 7 2 2 1 Distinction Analysis Flowchart ...