Read Panasonic SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG Service Manual online
13 Block Diagram
E
E
F
F
C
A
D
D
B
C
OUT1R
42
45
OUT1F
H-BRIDGE
PRE
DRIVER
F+
F-
T+
T-
C0GBF0000017
IC401
4ch MOTOR DRIVE
7
CPC2
MN6627962JB
IC501
SERVO AMP / SERVO PROCESSOR /
DIGITAL SIGNAL PROCESSOR
DIGITAL FILTER & D/A CONVERTER
58
RFV
DD
TIMING
GENERATOR
55
54
C
B
101
PMCK
85
X1
100
SMCK
86
X2
EFM
DEMODULATION/
SYNC
INTERPOLATION/
CIRC ECC/
CDROM ECC
DEMODULATION/
SYNC
INTERPOLATION/
CIRC ECC/
CDROM ECC
56
A
38
CEA
MICRO
COMPUTER
INTERFACE
48
RF
AMPLIFIER
47
57
PD
LD
PD
DCDET
A/D
CONVERTER
34
FEIN
TEIN
36
AUDIO OUTPUT
BUFFER
77
REGULATOR
14
REGON
FLAG
103
70
AV
DD
2
64
AV
SS
2
SERVO
CPU
74
LOOUTR
HPV
DD
L
HPCNT
76
HPV
SS
R
HPV
DD
R
HPOUTL
HPV
SS
L
82
80
78
79
AV
DD
1
AV
SS
1
HPOUTR
75
72
81
HPOUTL
CP2
6
5
4
CP1
CPC1
SPOUT
98
S
TAT
AD PVcc
33
HPCNT
TRAVERSE
MOTOR
M
SPINDLE
MOTOR
M
SEMICONDUCTOR
LASER
PHOTO DETECTOR
FOCUS
COIL
TRACKING
COIL
OPTICAL PICK-UP
OUT2R
41
38
OUT2F
H-BRIDGE
PRE
DRIVER
32
31
IN1F
IN1R
30
29
RI1
FI1
IN2F
IN2R
RI2
FI2
OUT3R
37
35
OUT3F
H-BRIDGE
PRE
DRIVER
TRV+
TRV-
CHARGE PUMP
OSCILLATOR
PRE DRIVE
PRE DRIVE
LOGIC
PWM
14
33
48
40
47
39
46
43
3
44
VS1
+B7
VS
PGND1
W
OUT
VS2
+B7
V
OUT
PGND2
UOUT
VS3
+B7
2
COM
28
27
IN3R
IN3F
RI3
FI3
8
VG
PVcc/2
MONITOR
PHASE
CONTROL
SLOPE
SIGNAL
MUTE
11
12
34
23
COMN
FIL
S/S
MUTE
VSMON
PC2
+B2
9
36
Vcc
PGND3
FG
BRK
10
15
FG
SPPOL
GND
25
24
TGND
SL-CT720(P,PC,EG,EB,EE) BLOCK DIAGRAM
+B7
PC1
POWER
SUPPLY
RFQFE
Q101
OPEN
+B6
D101
13
CLK
26
CIRC RAM
SUBCODE
INTERFACE
BUS CONTROL
UNIT
UNIT
96
65
M
D
ATA
ARFIN
95
MCLK
67
IREF
SERIAL OUTPUT
INTERFACE(DAC)
INTERFACE(DAC)
BLKCK
99
NCAS
7
NRAS
8
FS
CONVERTER
CONVERTER
NRAS
6
NWE
9
CKE
NWE
125
SDRCK
CLK
19
BA0
BA0
BA1
18
MLD
97
SMCK
66
DSLF
68
PLLF
69
PLLFO
OPEN
C3EBCG000096
IC302
EE PROM
CS
SK
DO
DI
GND
5
V
CC
+B1
8
1
2
3
4
ECS
MCLK
M
D
ATA
C3ABPG000145
IC502
64M SDRAM
A0~1
1
17
DQ0~15
22~26,
29~35
NCAS
37
CKE
NWE
18
16
NRAS
+B5
1,14,27
V
CC
V
SS
Q
6,12,
46,52
46,52
2,4,5,7,8,
10,11,13,
42,44,45,
47,48,50,
10,11,13,
42,44,45,
47,48,50,
51,53
38
CLK
20
BA0
21
BA1
39
DQMU
15
DQML
+B5
3,9,43,49
V
CC
Q
V
SS
28,41,
54
54
PD
LD
E
A
B
F
DSL/PLL/VCO
DRAM
INTERFACE
A0~A11
1~4,126~128
10~13,17
10~13,17
D0~D15
107~116,
118~123
D0~15
UDQM
124
LDQM
5
X502
(16.9MHz)
20
DV
SS
1
84
DV
SS
2
106
DV
SS
3
44
52
53
VREF
E
F
62
CAGC
63
ARFOUT
60
RFOUT
61
RFIN
41
FEN
42
TEN
40
FEOUT
43
TEOUT
51
V
DD
LD
50
CLD
45
DUTYADJ
46
CKMON
RF
INTERFACE
INTERFACE
SPINDLE
SERVO
INPUT
PORT
ADPCM
COMPRESSION
AUDIO
DECODER
AUDIO
DECODER
AV
DD
3
31
AV
SS
3
32
ANALOG
LOWPASS
FILTER
DIGITAL FILTER
1bit DAC(MASH)
OWM LOGIC
DIGITAL
OUT
102
TX
OUTPUT PORT
23
SPPOL
PWMSEL
21
TRP
TR
VM
TR
VP
SPOUT
26
25
24
22
TRM
27
FI3
RI2
30
IOV
DD
1
87
IOV
DD
2
16
DV
DD
1
88
DV
DD
2
105
DV
DD
3
91
94
93
92
89
90
GIO0
GIO1
GIO2
EXT0
EXT1
EXT2
FOP
28
FI1
FOM
29
RI1
AFOFS
37
SPPOL
SPOUT
RI3
A
T
OFS
35
FI2
BLKCK
A0~11
NCAS
CKE
BA1
UDQM
LDQM
71
LOOUTL
+B4
+B4
D502
+B2
+B6
LDQM
UDQM
BA1
BA0
CLK
A0~1
1
D0~15
NWE
NCAS
CKE
NRAS
VSMON
VSMON
+B2
VREF
ARF
ARF
+B6
A
B
F
E
+B6
SMCK
S
TAT
M
D
ATA
MCLK
MLD
+B6
+B6
+B2
+B3
R ch
VREF
VREF
49
V
DD
DR
V
OPEN
117
DR
V
DD
2
15
DR
V
DD
1
+B5
NTEST
104
NRST
83
NRST
+B2
RF
VREF
LASER
POWER
DRIVE
LD
OPEN
Q503
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
21
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