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1.4.
Digital (Front End Section) Block Diagram
IC51001
SODC
(OPTICAL DISC CONTROLLER)
IRNC
G4
TRINC
FOIP
FOIP
A2
FEGIO6
FEGIO6
P5
FEGIO12
R5
FEGIO12
FEGIO5
R4
FEGIO5
LPC3
FPDODVD
D3
RFIN
J3
RFIN2
J2
RFIP
J4
RFIP2
J1
INA
E1
INB
E2
INC
F1
IND
F2
INE
H3
INF
H4
ING
G2
INH
G1
FEFG
FEFG
V3
FEGIO0
T1
FEGAINSW2
N3
K6
V14
DIGITAL BLOCK
BACK END
FEFDO
M1
SECTION
FETRAYPWM
M3
TRO
K1
TLO
L4
K2
FOO
FEFMO
L3
FEFMO2
M2
FEFMO4
N1
FEFMO3
M4
IC55003
(Laser Diode Drive)
6
IMON
7
VMON
8
LDEN
9
P1
10
P2
Q55002
PW_5V
4
LDIN
5
PDOUT
P55004
LDM+
1
LDM-
2
IC55004
(MOTOR/PWM/DRIVER)
1
2
3
CTL1
4
CTL2
5
LRPM
6
PRTLIM
7
PRTLIM
SPIN
8
40k
LDIN
×2
9
T.S.D
DR12V
10
80k
80k
LDM+
11
40k
LDM-
40k
12
80k
80k
13
CURR.
26.5k
G_FO2+
160k
LIMIT
14
160k
26.5k
26.5k
G_FO2-
160k
15
160k
26.5k
G_FO1+
160k
26.5k
16
160k
26.5k
G_FO1-
160k
26.5k
17
160k
26.5k
G_TR-
160k
26.5k
18
160k
CURR.
26.5k
LIMIT
G_TR+
160k
26.5k
19
160k
26.5k
TKIN
20
TLIN
21
FCIN
22
DR5V
23
24
DR12V
25
26
PROTECT
SLIN1
SLIN2
DR5V
27
SAIN
SAIN2
FOCUS ERROR SIGNAL
G_LD1_DVD
LDOUT1
17
G_LD1_CD
LDOUT2
18
G_LD1_BD
LDOUT3
19
LDM+
LOADING
MOTOR
LDM-
DR12V
54
53
52
DR12V
MCOM
51
W
50
V
48
U
47
CURR.
FEED
45
44
DR12V
CURR.FEED
TRVB-
43
OSC
TRVB+
42
TRVA-
41
OSC
TRVA+
40
CURR.FEED
39
CURR.FEED
G_SA-
OSC
38
G_SA+
37
G_SB-
36
OSC
G_SB+
35
CURR.FEED
G_FO2+
34
G_FO2-
33
DR5V
G_FO1+
32
DR5V
LEVEL
SLIN1
G_FO1-
SHIFT
31
LEVEL
SLIN2
G_TR-
SHIFT
30
SAIN
29
G_TR+
LEVEL
62.6k
SHIFT
SAIN2
28
LEVEL
62.6k
SHIFT
6
TRACKING ERROR SIGNAL
MOTOR DRIVE SIGNAL
OPTICAL PICK-UP/TRAVERSE
P55001
FO/TR
BD/DVD
ACTUATOR
RF SIGNAL
LASER
DVD
DETECTOR
DVD FOCUS AND TRACKING SIGNAL
LASER
CD
BD FOCUS AND TRACKING SIGNAL
DETECTOR
CD MAIN AND SUB SIGNAL
LASER
BD
DETECTOR
P55003
SPINDLE MOTOR DRIVE
P55002
STEPPING
STEPPING MOTOR DRIVE
MOTOR
P55001
FOCUS/TRACKING ACTUATOR
DMP-BD75P/PC/PU
DMP-BD755P
DMP-BD75GA/GC/GN/GT/GW
SERVO BLOCK DIAGRAM
RF SIGNAL
SPINDLE
MOTOR
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