Sanyo DC-D5 - Page 31

IC BLOCK DIAGRAM (CD SECTION)
ICIOI LA9210M (Servo Signal Processor)
No. PIN NAME 1/0 FUNCTION
II
No. I
PIN NAME 1/0 I
FUIKTlON
I
1
I
NC
i I &,-.. r,. --,...;--
/l?
I
NI r I
... .
Iwull Lu8i11e LLlu1fi
-,
,.s Non Connection
\
2
VEE
-5V
42
JP- 1 -
Input of Track Jurmp Pulse Amplifier
3
E
I IV
Convert Input (from Photo Diode E)
43
JP +
I
+ Input of Track
Jump Pulse Amplifier
4 F
I
IV Convert Input (from Photo diode F)
44 THLD
I
Hold of Output VolGage of Tracking Servo
5
FN I IV Converter Input
45
TG L
I Tracking Gain Low
6
FO
o
IV Converter Output
46
TOFF
I
input
For Off the Tracking Servo
7
TEAO
o
Tracking Error Amplifier Output
47
TES
o
Trackinq Error Siqnai
8
VREF2 I
~-------- ,,..!*--- ,
/lQ
I-ICI
n
9
VREF3
I
Reference Voitage 3
49
FZD
o
Detect S Carve of Focus Error Signal
10
TESI I
Test
Input 50
FOCS
I
Input For Off the Focus Servo
11 ATSC
I + Input of Anti Shock Detect Amplifier 51 CLV-
1 -
Input of CLV Error Amnlifior
12 ATSC-
1 -
Input of Anti Shock Detect Amplifier
52
CLV +
I
+ Input of CLV Error Amplifier
I
13 TPA +
I - Input of Tracking
Pulse Amplifier 53
SL(
14 TPA-
1
+ Input of Tracking Pulse Amplifier
54
—
EFMO I I
15 TPAO o
Trackin~ Pulse Amp’’”-- “’*-”+
cc
Al
I I
lelelt!ll Le Vulklye L
II
*“
I
,,
IL” I Detect Track Signal
I
Colo Slice Level Control Amplifier Output
EFMO (RF) Signal
)Illrcr WLIL~UL
II
. .
I
n,
I
EFMO (RF) Signal
=. ..-.
cc
,tnn
, Cir
I 16 I TOFS
I I I Inout for Trackina GIISeI
30
I
v Uu
I
I
7.”
57
PDO
I
+ Input of VCO Control Amnlifier
17
THDS
I Tracking Servo Hold Switch
18 TD +
I Add the Track Jump Pulse
1~
JPo
o Track Jumo Pulse Am Dtifier CXJtDUt
.. . . .
~...._.
I
58
PDO-
1 -
Input of VCO Control Amplifier
59
Vcoc
I
VCO Control Amplifier Output
60 Vcoo
o
Vco output
20
SLEQ
I
Input for Sled Servo Equalizer
21 TDO o
Tracking Actuator Coil Driver Output
22 FDO
o
Focus Actuator Coil Driver Outcmt
1
w, b“.. , ..-. . . ..er
I
62
CLK
I
Clock “-- ‘d” ““ “:’’’’--’- “-’
63
LASER
I
Laser Control Signal
64
66/60
1“ Select of DSP LC786611
r_7R61
23 FD-
1
Input for Focus Actuator Coil Driver
24
FSW
I
Focus Servo Switch
25 NC Non Connection
------
I Non Connection
I Input for Defect Pulse width Control
65 NC
66
DF2
1.
67 DF1 I
[ Incwt for Defect Pulse width control
1
I 26 I FEAO
1 0 I Focus Error Amolifier OUtDUt
27
I
FE+
I
I
I
+ Input of Focus Error Amplifier
28
FD + I
+ Input of Focus 2-’”’-’-- c-:’ ‘-:”--
.. . . . . .-
-.
L1ua&ul Lutl WI IVC1
Is
““
I
,,, +
“
, “~,..t Detect Timing
- a. .. . ...
co
Du
I 1
I T.-,-b ll~+a,-+ Timinn
I
29
SPO
o CLV Error Amplifier UU1pILJL
i
u> Drl , ,cz\A “c.=-. ,,, ,.! ,0=
30 sPo-
1 Input for Spindle Motor Driver
70
PH I Focus Detect Timing
21 <Pnfs
r-l
sninrile
Motor DrivPr C)utnut
1 71
GND Ground --
-, .?---
1 t
-r.,,---.-------..-.
--.r-.
*
I ,
32
VEE
I -5V
72
RF SUM O RF SUM Amplifier Output
--- ,--
I I
. . . . . . . . . m—.-.a~ —.A
if 73
I C.rc
i
9
IV Converter Output
55 bLUU u SIea ivio~or urlver uuIpuI
J
1> nrr
u
34 SL-
1
- Input
of Sled Motor Driver
74
LDO
o
35
SL +
I + Input of Sled Motor Driver
j
75
LDS
I I Input of Auto Laser Power Control
I
)
I Laser Diode ON
,
I
I
36
I
Vcc
I I
+
5V
~~
76
I
LDC
I
I
I Input of Auto Laser Power Control
I
37 SLSW I
Sled Servo Switch
1
77 VDD
+ 5V
38
DEFO
o
Defect Signal Output
~ 78
FINl-
1
IV Convert Input (From Photo Diode A+ C)
39
2FREQ
I Input for VCO
I
79 FIN2 I IV Convert Input (From Photo Diode B + D)
40
DRF
o
Focusing Servo ON : High Level 80
VREF1
I
Reference Voltage 1
ICI02 BA6296FP (Dual Motor & Actuator Coil Driver)
I
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