Panasonic SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG Service Manual ▷ View 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
V
CC
+B1
14
Vss
11
ICP11
S202
(REST
DET. SWITCH)
REST
55
PLA
Y
56
MUTE
H
16
71
A
Vss
VREF
72
74
DOCT
OR
+B1
HEADPHONE
SWITCHING
(CHARGE)
+B1
Q42,81,302
62
CHAGE1
75
VMONIT
OR2
+B7
70
POWER
S304
(
)
VMONITOR1
76
+B1
+B5
78
KEY
/RESET
8
POWER
SUPPLY
SUPPLY
EXT
BATT
HOLD
58
OFF
ON
S310
(HOLD)
BUZZER
DRIVE
+B1
Q902
67
ECS
64
MCLK/SK
65
MDA
T
A/DIDO
MCLK
M
D
ATA
RFQFE
RFQFE
60
73
REMKEY
17
BUZ
VMONIT
OR3
77
S308
(
)
S302
(VOL-)
S303
(VOL+)
69
DOT
C0CBAFD00003
IC12
L12
Q11
5
ICTRL
Q13
PC1
3
PC1
4
PC2
PC2
1
FG
FG
MLD
61
MLD
13
X
OUT
SMCK
XI
N
12
R ch
L703
L702
MUTING
CONT.
+B2
Q901
MUTING
Q704
MUTING
CONT.
ECS
S
TAT
66
S
TAT
BLKCK
21
BLKCK
CNVss
7
15
HPCNT
HPCNT
Q903
OPEN
80
OPEN
S201
(LASER ON/OFF)
+B2
D12
SW1
SW2
2.5VBOOSTER
CONT./OUTPUT
CIRCUIT
CHARGE PUMP
12
11
10
9
8
7
2.8V/3.9V
REGU-
LATOR
LATOR
INVERSE
CURRENT
PROTECT/AC
ADAPTOR
DET.
RESET
CIRCUIT
BAND
GAP
CIRCUIT
17
16
14
2.5V
BOOSTER
STOP
POWER
SAVE
SELECT
6
5
4
3
2
1
24
23
21
22
20
19
18
15
13
VG
CP2C
CP1C
CP2
CP1
PV
CC
1
EI
EO
SOFT
SW1
SW2
PGND
V
DD
2P52
V
DD
2P51
SEL
PV
CC
2
SGND
REFB
ACDET
-
OUT
RST
OUT
RSTIN
STBYIN2
SPR
T
STBYIN1
+B1
Q41
SWITCH-
ING
Q301
D1
C0DBAFE00017
IC61
REGULATOR
C0CBCBZ00001
IC71
REGULATOR
L1
L61
+B1
+B2
L71
+B3
P.SUPPLY
CONT.
Q501
Q504,505
ACDET
68
2
IDOWN
C2BBGF000656
IC301
SYSTEM CONTROL
+B1
LED
DRIVE
Q305
+B1
D361
(CHG)
40
LED
+B1
+B2
+B4
C0DBAFG00014
IC1
DC-DC CONVERTER
HPOUTL
+B6
+B1
S305
(
)
S301
(
/ )
+B7
CHARGE2
63
GND
V
DD
+B1
BATTERY
LOSS CANCEL
BATTERY
LOSS CANCEL
BATTERY
LOSS CANCEL
REGULATOR
F41
NRST
SWITCH-
ING
Q502
D501
POWER
SUPPLY
MUTING
CONT.
+B1
Q307
Q705
+B1
SL-CT720(P,PC,EG,EB,EE) BLOCK DIAGRAM
2 RECHARGEABLE
BATTERIES
BATTERIES
2.4V
DC IN
4.5V
NOTE
: PLAYBACK SIGNAL LINE
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
22
14.1. IC301(C2BBGF000656):
System Control
Pin
No.
Terminal
Name
I/O
Function
1
FG
I
Pulse input for spindle rotate measurement
2
IDOWN
O
Power control signal output
3
PC1
O
Driver OFF output
4
PC2
O
Driver OFF output
5
ICTRL
O
External battery current control output
6
GUP
O
Headphone output amp signal output
7
CNVSS
-
GND
8
RESET
I
Reset signal input
9
XCOUT
-
Not used, open
10
XCIN
-
Not used, open
11
VSS
-
GND
12
XIN
I
System clock connected terminal
13
XOUT
O
14
VCC
I
Power supply terminal
15
HPCNT
O
Headphone L ch output control signal output
16
MUTEH
O
Headphone mute ON output
17
BUZ
O
Beep signal output
18
NC
I
Connected to power supply
19
VL2
I
Connected to power supply
20
VL3
-
Connected to GND
21
BLKCK
I
Block clock signal input
22
VL1
-
Connected to GND
23
NC
-
Not used, open
24
NC
-
Not used, open
25
NC
-
Not used, open
26
NC
-
Not used, open
27
NC
-
Not used, open
28
NC
-
Not used, open
29
NC
-
Not used, open
30
NC
-
Not used, open
31 REMOCON
-
Not used, open
32
HIGHMAT
-
Not used, open
33
JACKM2
I
OPT OUT/OUT connection detect signal
input
input
34
JACKM1
I
35
MUTEL
O
Line out mute signal output
36 TXPOWER
O
Optical digital out ON output
37
NC
-
Not used, open
38
NC
-
Not used, open
39
NC
-
Not used, open
40
LED
O
Charge LED ON output
41
NC
-
Not used, open
42
NC
-
Not used, open
43
NC
-
Not used, open
44
LASEQIC
SEL
-
Not used, open
45
KANASEL
-
Not used, open
46
TYPESEL
-
Not used, open
47
XCSEL
I
Not used, connected to GND via resistor
48
XBSSEL
-
Not used, open
49
CHGSEL
I
Not used, connected to GND via resistor
50
CHGSEL3
I
Not used, connected to GND via resistor
51
X3SEL
I
Not used, connected to GND via resistor
52
FSSEL
-
Not used, open
53
NRFDET
SEL
I
Not used, connected to GND via resistor
54
ZANSEL
-
Not used, open
55
REST
I
Rest detect switch signal input
56
PLAY
I
Play key signal input
57
A.SHOCK
-
Not used, open
58
HOLD
I
HOLD switch signal input
Pin
No.
Terminal
Name
I/O
Function
59
ZAN/
JVDGE
-
Not used, open
60
RFOFF
O
Hologram laser power OFF output
61
MLD
O
Serial command latch output
62
CHARGE1
O
Charge ON output
63
CHARGE2
O
PVCC1 voltage up output
64
MCLK/SK
O
Command/EEPROM clock output
65
MDATA/
DIDO
O
Command/EEPROM data input/output
66
STAT
I
Status signal input
67
ECS
O
EEPROM communication select output
68
ACDET
I
AC detect signal input
69
DOT
O
Driver communication output for dot matrix
LCD
LCD
70
POWER
O
Secondary power ON output
71
AVSS
-
GND
72
VREF
I
Reference voltage input
73
REMKEY
I
Remote control signal input
74
DOCTOR
I
Doctor mode select
75
VMONI
TOR2
I
Battery remaining measurement signal
76
VMONI
TOR1
I
Rechargeable battery voltage detect signal
77
VMONI
TOR3
I
Rechargeable
battery
remaining
measurement signal
78
KEY
I
Operation key signal input
79
NC
-
Not used, open
80
OPEN
I
CD lid open switch input
14.2. IC501(MN6627962JB):
Servo Amp, Servo Processor,
Digital Signal Processor,
Digital Filter & D/A Converter
Digital Signal Processor,
Digital Filter & D/A Converter
Pin
No.
Terminal
Name
I/O
Function
1
A7
O
Address 7 signal output
2
A6
O
Address 6 signal output
3
A5
O
Address 5 signal output
4
A4
O
Address 4 signal output
5
LDQM
O
Lower bite data mask signal output
6
NWE
O
Write enable signal output
7
NCAS
O
CAS control signal output
8
NRAS
O
RAS control signal output
9
CKE
O
Clock enable signal output
10
A3
O
Address 3 signal output
11
A2
O
Address 2 signal output
12
A1
O
Address 1 signal output
13
A0
O
Address 0 signal output
14
REGON
I
Built in regulator control signal
15
DRVDD1
I
Power supply terminal
16
DVDD1
I
Power supply terminal
17
A10
O
Address 10 signal output
18
BA1
O
Bank select signal output 1
19
BA0
O
Bank select signal output 0
20
DVSS1
-
GND
21
PWMSEL
I
PWM output mode select input
22
SPOUT
O
Spindle drive signal output
23
SPPOL
O
Spindle drive signal output
24
TRVP
O
Traverse drive signal output (+)
25
TRVM
O
Traverse drive signal output (-)
26
TRP
O
Tracking drive signal output (+)
27
TRM
O
Tracking drive signal output (-)
14 Terminal Function of ICs
23
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
Pin
No.
Terminal
Name
I/O
Function
28
FOP
O
Focus drive signal output (+)
29
FOM
O
Focus drive signal output (-)
30
IOVDD1
I
Power supply terminal
31
AVDD3
I
Power supply terminal
32
AVSS3
-
GND
33
ADPVCC
I
Power supply voltage monitor signal input
34
TEIN
I
DSP tracking error signal input
35
ATOFS
-
Not used, open
36
FEIN
I
DSP focus error signal input
37
AFOFS
-
Not used, open
38
CEA
I
HPE amp capacitor connect terminal
39
RFENV
O
RF envelope signal monitor
40
FEOUT
O
Focus error signal amp output
41
FEN
I
Focus error signal amp inverting input
42
TEN
I
Tracking error signal amp inverting input
43
TEOUT
O
Tracking error signal amp output
44
VREF
O
VREF output
45
DUTYADJ
I
Laser intermittent drive clock duty adj.
resistor terminal
resistor terminal
46
CKMON
-
Not used, open
47
PD
I
APC amp input
48
LD
O
Laser power drive signal output
49
VDDDRV
I
Power supply terminal
50
CLD
I
APC loop filter connected terminal
51
VDDLD
I
Power supply terminal
52
E
I
Tracking signal input 1
53
F
I
Tracking signal input 2
54
B
I
Focus signal input 2/RF addition amp
input 2
input 2
55
C
I
RF addition amp input 3
56
A
I
Focus signal input 1/RF addition amp
input 1
input 1
57
DCDET
I
HPF capacitor connected terminal
58
RFVDD
I
Power supply terminal
59
RFN
-
Not used, open
60
RFOUT
O
RF addition amp output
61
RFIN
I
AGC input
62
CAGC
I
AGC loop filter capacitor connected terminal
63
ARFOUT
O
AGC output
64
AVSS2
-
GND
65
ARFIN
I
RF signal input
66
DSLF
O
Loop filter for DSL
67
IREF
I
Reference current input
68
PLLF
O
Loop filter for PLL
69
PLLFO
O
Loop filter for PLL
70
AVDD2
I
Power supply terminal
71
LOOUTL
-
Not used, open
72
AVSS1
-
GND
73
AVREF
-
Not used, open
74
LOOUTR
-
Not used, open
75
AVDD1
I
Power supply terminal
76
HPCNT
I
Headphone control signal input
77
HPVDDL
I
Power supply terminal
78
HPOUTL
O
L ch audio output for headphone
79
HPVSSL
-
GND
80
HPVDDR
I
Power supply terminal
81
HPOUTR
O
R ch audio output for headphone
82
HPVSSR
-
GND
83
NTEST
I
Test mode input
84
DVSS2
-
GND
85
X1
I
Crystal oscillator connected terminal
(F=16.9 MHz)
(F=16.9 MHz)
86
X2
O
87
IOVDD2
I
Power supply terminal
88
DVDD2
I
Power supply terminal
89
GIO0
-
Not used, open
90
GIO1
I
Connected to power supply via resistor
91
GIO2
-
Not used, open
Pin
No.
Terminal
Name
I/O
Function
92
EXT0
O
Extended input/output port (FLOCK)
93
EXT1
-
Not used, open
94
EXT2
O
Extended input/output port (LD OFF)
95
MCLK
I
Command clock signal input
96
MDATA
I
Command data input
97
MLD
I
Command load input
98
STAT
O
Status signal output
99
BLKCK
O
Sub code block clock signal output
100
SMCK
O
System clock signal output
101
PCMK
-
Not used, open
102
TX
-
Not used, open
103
FLAG
-
Not used, open
104
NRST
I
Reset signal input
105
DVDD3
I
Power supply terminal
106
DVSS3
-
GND
107
D2
I/O
Data signal input/output 2
108
D1
I/O
Data signal input/output 1
109
D0
I/O
Data signal input/output 0
110
D3
I/O
Data signal input/output 3
111
D4
I/O
Data signal input/output 4
112
D5
I/O
Data signal input/output 5
113
D6
I/O
Data signal input/output 6
114
D7
I/O
Data signal input/output 7
115
D15
I/O
Data signal input/output 15
116
D14
I/O
Data signal input/output 14
117
DRVDD2
I
Power supply terminal
118
D13
I/O
Data signal input/output 13
119
D12
I/O
Data signal input/output 12
120
D11
I/O
Data signal input/output 11
121
D10
I/O
Data signal input/output 10
122
D9
I/O
Data signal input/output 9
123
D8
I/O
Data signal input/output 8
124
UDQM
O
Higher bite data mask signal output
125
SDRCK
O
Clock signal output
126
A11
O
Address 11 signal output
127
A9
O
Address 9 signal output
128
A8
O
Address 8 signal output
24
SL-CT720P / SL-CT720PC / SL-CT720EB / SL-CT720EE / SL-CT720EG
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