Panasonic CQ-TS0920FB Service Manual ▷ View online
7.3. CD Servo Block
IC201 : MN662748RPMF
Pin
No.
Port
Description
I/O
(V)
1
BCLK
Not used
-
-
2
LRCK
Not used
-
-
3
SRDATA
Not used
-
-
4
DVDD
+5V digital power supply
-
5.0
5
DVSS1
Digital ground
-
0
6
TX
Not used
-
-
7
MCLK
MPU command clock
I
0
8
MDATA
MPU command data
I
0
9
MLD
MPU command load
I
0
10
SENSE
Sense signal
O
0
11
/FLOCK
Focus servo lock
O
0
12
/TLOCK
Tracking servo lock
O
4.9
13
BLKCK
Not used
-
-
14
SQCK
Q code external clock
I
4.9
15
SUBQ
Q code output
O
2.5
16
DMUTE
DSP mute
I
0
17
STAT
DSP Status output
O
3.1
18
/RST
Reset input
I
4.9
19,20
Not used
-
-
21
TRV
Forced traverse output
O
2.5
22
TVD
Traverse drive output
O
2.5
23
PC
Spindle motor control
O
0
24
ECM
Spindle motor drive
O
2.5
25
ECS
Spindle motor drive
O
2.5
26
KICK
Kick pulse output
O
2.5
27
TRD
Tracking motor drive
O
2.5
28
FOD
Focus motor drive
O
2.5
29
VREF
D/A reference voltage
I
2.5
30
FBAL
Focus balance adjust
O
2.5
31
TBAL
Tracking balance adjust
O
2.5
32
FE
Focus error signal
I
2.5
33
TE
Tracking error signal
I
2.5
34
RFENV
RF envelope signal
I
2.5
35
VDET
Vibration detection
I
0
36
OFTR
Off track signal
I
0
37
TRCRS
Track closs signal
I
2.1
38
/RFDET
RF detection signal
I
0
39
BDO
Drop out signal
I
0
40
LDON
Laser on/off control
O
4.5
41
PLLF2
Not used
-
-
42
TOFS
TE offset
O
2.5
43
WVEL
Not used
-
-
44
ARE
RF signal
I
1.7
45
IREF
Reference current input
I
1.6
46
DRF
DSL bias
I
0
47
DSLF
DSL loop filter
I/O
2.4
48
PLLF
PLL loop filter
I/O
1.8
49
VCOF
Not used
-
-
50
AVDD2
+5V analog power supply
-
5.0
51
AFSS2
Analog ground
-
0
52
EFM
Not used
-
-
53
PCK/DSLB DSL bias
I
2.4
54
VCOF2
Tracking offset
O
2.5
55
SUBC
Not used
-
-
56
SBCK
(Connecting to ground)
-
-
57
VSS
Ground
-
0
58
X1
Crystal oscillator
I
1.7
59
X2
Crystal oscillator
O
2.3
60
VDD
+5V power supply
-
5.0
61,62
-
Not used
-
-
63
FCLK
Not used
-
-
64
IPFLAG
Not used
-
-
65
FLAG
Not used
-
-
66-69
-
Not used
-
-
70
IOSEL
(Connecting to ground)
I
0
71
/TEST
(Connecting to ground)
I
0
72
AVDD1
+5V analog power supply
-
4.9
73
OUTL
Audio Lch output
O
4.9
74
AVSS1
Analog ground
-
0
75
OUTR
Audio Rch output
O
4.9
76
RSEL
(Connecting to ground)
-
0
77
CSEL
(Connecting to ground)
-
0
78
PSEL
(Connecting to ground)
-
0
79
MSEL
(Connecting to ground)
-
0
80
SSEL
mode select
I
5.0
IC401 : MN101C117AF
Pin
No.
Port
Description
I/O
(V)
1
MASHON
Servo IC OSC control
O
5.0
2
P82
No connection
-
-
3
P81
No connection
-
-
4
P80
(Connection to ground)
-
0
5
Q1
Photo sensor signal (DISC IN)
I
4.5
6
Q3
Photo sensor signal (DISC OUT)
I
4.2
7
Q6
Photo sensor signal (Option)
I
5.0
8
SW4
Clamp SW signal
I
0
9
SW5
Inner SW signal
I
5.0
10
SW2
Feeder arm SW
I
5.0
11
PA6
(Connection to ground)
-
0
12
PA7/IFR
(Connecting to ground)
I
0
13
VDD
+5V power supply
-
5.0
14
OSC2
Crystal oscillator
-
5.0
15
OSC1
Crystal oscillator
-
3.3
16
VSS
Ground
-
0
17
NC
No connection
-
-
18
SOMI
CD control data
O
3.2
19
SIMO
CD control data
I
3.8
20
SCLM
Data shift clock
I
5.0
21
P06
Not used
-
-
22
BD0
Drop out signal
I
0
23
PC1
Loading motor driver control
O
5.0
24
PS2
Focus/Tracking driver control
O
0
25
VDET
Vibration detecting signal
I
0
26
P14
No connection
-
-
27
CDON
CD on signal
I
5.0
28
IRQ1.SENS
E
E
(Connecting to groung)
-
0
29
IRQ2
(Connecting to ground)
-
0
30
LOD
Loading motor control
-
2.6
31
TRV
Traverse motor control
-
2.5
32
/PRST
Servo IC reset
O
5.0
33
STAT
Status signal
I
4.0
34
DMUTE
DSP mute
O
0
35
SUBQ
Sub code Q data
I
2.6
36
SQCK
Sub code Q clock
O
5.0
37
/TLOCK
Tracking servo lock
I
0
38
/FLOCK
Focus servo lock
I
0
39
NRST
reset input
I
5.0
40
MMOD
(Connecting to ground)
-
0
41
SENSE
Sense signal
I
0
42
MLD
Command load
O
5.0
43
MDATA
Command data
O
0.9
44
MCLK
Command clock
O
4.6
10
CQ-TS0920FB
IC201 : C1BB00000284
IC691 : YEAMH12187ER
8 PACKAGE AND IC BLOCK DIAGRAM
8.1. Main Block
AU101 : YEAU03340E02
11
CQ-TS0920FB
IC231 : AN7550NZAWLB
IC451 : YEAMLC72146T
ANTI-
ALIASING
FILTER
OSCILLATOR
AND
DIVIDER
BIPHASE
SYMBOL
DECODER
QUALITY BIT
GENERATOR
DIFDERENTIAL
DECODER
57kHz
BANDPASS
(8th ORDER)
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
FIXED DIVIDER
CLOCKED
COMPARATOR
CLOCK
REGENERATION
AND SYNC
REFERENCE
VOLTAGE
RECONSTRUCTION
FILTER
4
MUX
SCOUT
CIN
VDDA
Vref
VSSA
MODE
TEST
VSSD
VDDD
OSCO
OSCI
T57
RDCL
RDDA
QUAL
1
2
16
8
5
7
3
6
15
9
10
14
12
13
11
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
Vp1
IC471 : YEAMSAA6579
12
CQ-TS0920FB
IC481 : C0ABCB000005
IC701 : YEAMA61W12ST
IC751 : AN8065SE1
8.2. Display Block
IC700 : AN8065SE1
IC800 : YEAMPA0051AM
13
CQ-TS0920FB
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